# aclocal.m4 generated automatically by aclocal 1.5 # Copyright 1996, 1997, 1998, 1999, 2000, 2001 # Free Software Foundation, Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY, to the extent permitted by law; without # even the implied warranty of MERCHANTABILITY or FITNESS FOR A # PARTICULAR PURPOSE. dnl GMP specific autoconf macros dnl Copyright 2000, 2001 Free Software Foundation, Inc. dnl dnl This file is part of the GNU MP Library. dnl dnl The GNU MP Library is free software; you can redistribute it and/or modify dnl it under the terms of the GNU Lesser General Public License as published dnl by the Free Software Foundation; either version 2.1 of the License, or (at dnl your option) any later version. dnl dnl The GNU MP Library is distributed in the hope that it will be useful, but dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public dnl License for more details. dnl dnl You should have received a copy of the GNU Lesser General Public License dnl along with the GNU MP Library; see the file COPYING.LIB. If not, write to dnl the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, dnl MA 02111-1307, USA. define(X86_PATTERN, [[i?86*-*-* | k[5-8]*-*-* | pentium*-*-* | athlon-*-*]]) dnl GMP_STRIP_PATH(subdir) dnl ---------------------- dnl Strip entries */subdir from $path. define(GMP_STRIP_PATH, [tmp_path= for i in $path; do case $i in */$1) ;; *) tmp_path="$tmp_path $i" ;; esac done path="$tmp_path" ]) dnl GMP_INCLUDE_GMP_H dnl ----------------- dnl Expand to the right way to #include gmp-h.in. This must be used dnl instead of gmp.h, since that file isn't generated until the end of the dnl configure. dnl dnl GMP_INCLUDE_GMP_H_BITS_PER_MP_LIMB starts as a dummy, but gets dnl redefined in GMP_C_SIZES when the right value is known. define(GMP_INCLUDE_GMP_H, [[#define __GMP_WITHIN_CONFIGURE 1 /* ignore template stuff */] GMP_INCLUDE_GMP_H_BITS_PER_MP_LIMB [$DEFN_LONG_LONG_LIMB #include "$srcdir/gmp-h.in"] ]) define(GMP_INCLUDE_GMP_H_BITS_PER_MP_LIMB, [[#define __GMP_BITS_PER_MP_LIMB 123 /* dummy for mpf_get_prec etc inlines */]]) dnl GMP_HEADER_GETVAL(NAME,FILE) dnl ---------------------------- dnl Expand at autoconf time to the value of a "#define NAME" from the given dnl FILE. The regexps here aren't very rugged, but are enough for gmp. dnl /dev/null as a parameter prevents a hang if $2 is accidentally omitted. define(GMP_HEADER_GETVAL, [patsubst(patsubst( esyscmd([grep "^#define $1 " $2 /dev/null 2>/dev/null]), [^.*$1[ ]+],[]), [[ ]*$],[])]) dnl GMP_VERSION dnl ----------- dnl The gmp version number, extracted from the #defines in gmp-h.in at dnl autoconf time. Two digits like 3.0 if patchlevel <= 0, or three digits dnl like 3.0.1 if patchlevel > 0. define(GMP_VERSION, [GMP_HEADER_GETVAL(__GNU_MP_VERSION,gmp-h.in)[]dnl .GMP_HEADER_GETVAL(__GNU_MP_VERSION_MINOR,gmp-h.in)[]dnl ifelse(m4_eval(GMP_HEADER_GETVAL(__GNU_MP_VERSION_PATCHLEVEL,gmp-h.in) > 0),1, [.GMP_HEADER_GETVAL(__GNU_MP_VERSION_PATCHLEVEL,gmp-h.in)])]) dnl GMP_COMPARE_GE(A1,B1, A2,B2, ...) dnl --------------------------------- dnl Compare two version numbers A1.A2.etc and B1.B2.etc. Set dnl $gmp_compare_ge to yes or no accoring to the result. The A parts dnl should be variables, the B parts fixed numbers. As many parts as dnl desired can be included. An empty string in an A part is taken to be dnl zero, the B parts should be non-empty and non-zero. dnl dnl For example, dnl dnl GMP_COMPARE($major,10, $minor,3, $subminor,1) dnl dnl would test whether $major.$minor.$subminor is greater than or equal to dnl 10.3.1. AC_DEFUN(GMP_COMPARE_GE, [gmp_compare_ge=no GMP_COMPARE_GE_INTERNAL($@) ]) AC_DEFUN(GMP_COMPARE_GE_INTERNAL, [ifelse(len([$3]),0, [if test -n "$1" && test "$1" -ge $2; then gmp_compare_ge=yes fi], [if test -n "$1"; then if test "$1" -gt $2; then gmp_compare_ge=yes else if test "$1" -eq $2; then GMP_COMPARE_GE_INTERNAL(m4_shift(m4_shift($@))) fi fi fi]) ]) dnl GMP_PROG_AR dnl ----------- dnl GMP additions to $AR. dnl dnl A cross-"ar" may be necessary when cross-compiling since the build dnl system "ar" might try to interpret the object files to build a symbol dnl table index, hence the use of AC_CHECK_TOOL. dnl dnl A user-selected $AR is always left unchanged. AC_CHECK_TOOL is still dnl run to get the "checking" message printed though. AC_DEFUN(GMP_PROG_AR, [dnl Want to establish $AR before libtool initialization. AC_BEFORE([$0],[AC_PROG_LIBTOOL]) gmp_user_AR=$AR AC_CHECK_TOOL(AR, ar, ar) if test -z "$gmp_user_AR"; then eval arflags=\"\$ar${abi1}_flags\" test -n "$arflags" || eval arflags=\"\$ar${abi2}_flags\" if test -n "$arflags"; then AC_MSG_CHECKING([for extra ar flags]) AR="$AR $arflags" AC_MSG_RESULT([$arflags]) fi fi ]) dnl GMP_PROG_M4 dnl ----------- dnl Find a working m4, either in $PATH or likely locations, and setup $M4 dnl and an AC_SUBST accordingly. If $M4 is already set then it's a user dnl choice and is accepted with no checks. GMP_PROG_M4 is like dnl AC_PATH_PROG or AC_CHECK_PROG, but tests each m4 found to see if it's dnl good enough. dnl dnl See mpn/asm-defs.m4 for details on the known bad m4s. AC_DEFUN(GMP_PROG_M4, [AC_ARG_VAR(M4,[m4 macro processor]) AC_CACHE_CHECK([for suitable m4], gmp_cv_prog_m4, [if test -n "$M4"; then gmp_cv_prog_m4="$M4" else cat >conftest.m4 <<\EOF dnl Must protect this against being expanded during autoconf m4! dnl Dont put "dnl"s in this as autoconf will flag an error for unexpanded dnl macros. [define(dollarhash,``$][#'')ifelse(dollarhash(x),1,`define(t1,Y)', ``bad: $][# not supported (SunOS /usr/bin/m4) '')ifelse(eval(89),89,`define(t2,Y)', `bad: eval() doesnt support 8 or 9 in a constant (OpenBSD 2.6 m4) ')ifelse(t1`'t2,YY,`good ')] EOF dnl ' <- balance the quotes for emacs sh-mode echo "trying m4" >&AC_FD_CC gmp_tmp_val=`(m4 conftest.m4) 2>&AC_FD_CC` echo "$gmp_tmp_val" >&AC_FD_CC if test "$gmp_tmp_val" = good; then gmp_cv_prog_m4="m4" else IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS=":" dnl $ac_dummy forces splitting on constant user-supplied paths. dnl POSIX.2 word splitting is done only on the output of word expansions, dnl not every word. This closes a longstanding sh security hole. ac_dummy="$PATH:/usr/5bin" for ac_dir in $ac_dummy; do test -z "$ac_dir" && ac_dir=. echo "trying $ac_dir/m4" >&AC_FD_CC gmp_tmp_val=`($ac_dir/m4 conftest.m4) 2>&AC_FD_CC` echo "$gmp_tmp_val" >&AC_FD_CC if test "$gmp_tmp_val" = good; then gmp_cv_prog_m4="$ac_dir/m4" break fi done IFS="$ac_save_ifs" if test -z "$gmp_cv_prog_m4"; then AC_MSG_ERROR([No usable m4 in \$PATH or /usr/5bin (see config.log for reasons).]) fi fi rm -f conftest.m4 fi]) M4="$gmp_cv_prog_m4" AC_SUBST(M4) ]) dnl GMP_M4_M4WRAP_SPURIOUS dnl ---------------------- dnl Check for spurious output from m4wrap(), as described in mpn/asm-defs.m4. dnl dnl The following systems have been seen with the problem. dnl dnl - Unicos alpha, but its assembler doesn't seem to mind. dnl - MacOS X Darwin, its assembler fails. dnl - NetBSD 1.4.1 m68k, and gas 1.92.3 there gives a warning and ignores dnl the bad last line since it doesn't have a newline. dnl - NetBSD 1.4.2 alpha, but its assembler doesn't seem to mind. dnl dnl Enhancement: Maybe this could be in GMP_PROG_M4, and attempt to prefer dnl an m4 with a working m4wrap, if it can be found. AC_DEFUN(GMP_M4_M4WRAP_SPURIOUS, [AC_REQUIRE([GMP_PROG_M4]) AC_CACHE_CHECK([if m4wrap produces spurious output], gmp_cv_m4_m4wrap_spurious, [# hide the d-n-l from autoconf's error checking tmp_d_n_l=d""nl cat >conftest.m4 <&AC_FD_CC cat conftest.m4 >&AC_FD_CC tmp_chars=`$M4 conftest.m4 | wc -c` echo produces $tmp_chars chars output >&AC_FD_CC rm -f conftest.m4 if test $tmp_chars = 0; then gmp_cv_m4_m4wrap_spurious=no else gmp_cv_m4_m4wrap_spurious=yes fi ]) GMP_DEFINE_RAW(["define(,<$gmp_cv_m4_m4wrap_spurious>)"]) ]) dnl GMP_PROG_NM dnl ----------- dnl GMP additions to libtool AC_PROG_NM. dnl dnl Note that if AC_PROG_NM can't find a working nm it still leaves dnl $NM set to "nm", so $NM can't be assumed to actually work. dnl dnl A user-selected $NM is always left unchanged. AC_PROG_NM is still run dnl to get the "checking" message printed though. AC_DEFUN(GMP_PROG_NM, [dnl Make sure we're the first to call AC_PROG_NM, so our extra flags are dnl used by everyone. AC_BEFORE([$0],[AC_PROG_NM]) gmp_user_NM=$NM AC_PROG_NM if test -z "$gmp_user_NM"; then eval nmflags=\"\$nm${abi1}_flags\" test -n "$nmflags" || eval nmflags=\"\$nm${abi2}_flags\" if test -n "$nmflags"; then AC_MSG_CHECKING([for extra nm flags]) NM="$NM $nmflags" AC_MSG_RESULT([$nmflags]) fi fi ]) dnl GMP_PROG_CC_WORKS(cc+cflags,[ACTION-IF-WORKS][,ACTION-IF-NOT-WORKS]) dnl -------------------------------------------------------------------- dnl Check if cc+cflags can compile and link. dnl dnl This test is designed to be run repeatedly with different cc+cflags dnl selections, so the result is not cached. AC_DEFUN(GMP_PROG_CC_WORKS, [AC_MSG_CHECKING([compiler $1]) cat >conftest.c <conftest.c <conftest.c gmp_tmp_vs=`$1 $2 -V -c -o conftest.o conftest.c 2>&1 | grep "^ccom:"` rm conftest* gmp_tmp_v1=`echo $gmp_tmp_vs | sed 's/.* .\.\(.*\)\..*\..* HP C.*/\1/'` gmp_tmp_v2=`echo $gmp_tmp_vs | sed 's/.* .\..*\.\(.*\)\..* HP C.*/\1/'` gmp_tmp_v3=`echo $gmp_tmp_vs | sed 's/.* .\..*\..*\.\(.*\) HP C.*/\1/'` if test -z "$gmp_tmp_v1"; then gmp_hpc_64bit=not-applicable else GMP_COMPARE_GE($gmp_tmp_v1, 10, $gmp_tmp_v2, 32, $gmp_tmp_v3, 30) gmp_hpc_64bit=$gmp_compare_ge fi AC_MSG_RESULT($gmp_hpc_64bit) if test $gmp_hpc_64bit = yes; then ifelse([$2],,:,[$2]) else ifelse([$3],,:,[$3]) fi ]) dnl GMP_GCC_VERSION_GE(CC,MAJOR[,MINOR[,SUBMINOR]]) dnl ----------------------------------------------- dnl Test whether the version of CC (which must be GNU C) is >= dnl MAJOR.MINOR.SUBMINOR. Set $gmp_compare_ge to "yes" or "no" dnl accordingly, or to "error" if the version number string can't be dnl parsed. dnl dnl gcc --version is normally just "2.7.2.3" or "2.95.3" or whatever, but dnl egcs gives something like "egcs-2.91". sed doesn't support "?" so a dnl pattern "(egcs-)*" is used. dnl dnl There's no caching here, so that different CC's can be tested. AC_DEFUN(GMP_GCC_VERSION_GE, [tmp_version=`($1 --version) 2>&AC_FD_CC` echo "$1 --version '$tmp_version'" >&AC_FD_CC major=`(echo "$tmp_version" | sed -n ['s/^\(egcs-\)*\([0-9][0-9]*\).*/\2/p']) 2>&AC_FD_CC` echo " major '$major'" >&AC_FD_CC ifelse([$3],,, [minor=`(echo "$tmp_version" | sed -n ['s/^\(egcs-\)*[0-9][0-9]*\.\([0-9][0-9]*\).*/\2/p']) 2>&AC_FD_CC` echo " minor '$minor'" >&AC_FD_CC]) ifelse([$4],,, [subminor=`(echo "$tmp_version" | sed -n ['s/^\(egcs-\)*[0-9][0-9]*\.[0-9][0-9]*\.\([0-9][0-9]*\).*/\2/p']) 2>&AC_FD_CC` echo " subminor '$subminor'" >&AC_FD_CC]) if test -z "$major"; then AC_MSG_WARN([unrecognised gcc version string: $tmp_version]) gmp_compare_ge=error else ifelse([$3],, [GMP_COMPARE_GE($major, $2)], [ifelse([$4],,[GMP_COMPARE_GE($major, $2, $minor, $3)], [GMP_COMPARE_GE($major, $2, $minor, $3, $subminor, $4)])]) fi ]) dnl GMP_GCC_ARM_UMODSI(CC,[ACTIONS-IF-GOOD][,ACTIONS-IF-BAD]) dnl --------------------------------------------------------- dnl gcc 2.95.3 and earlier on arm has a bug in the libgcc __umodsi routine dnl making "%" give wrong results for some operands, eg. "0x90000000 % 3". dnl We're hoping it'll be fixed in 2.95.4, and we know it'll be fixed in dnl gcc 3. dnl dnl There's only a couple of places gmp cares about this, one is the dnl size==1 case in mpn/generic/mode1o.c, and this shows up in dnl tests/mpz/t-jac.c as a wrong result from mpz_kronecker_ui. AC_DEFUN(GMP_GCC_ARM_UMODSI, [AC_MSG_CHECKING([whether gcc unsigned division works]) GMP_GCC_VERSION_GE([$1], 2,95,4) case $gmp_compare_ge in yes) ifelse([$2],,:,[$2]) gmp_gcc_arm_umodsi_result=yes ;; *) ifelse([$3],,:,[$3]) gmp_gcc_arm_umodsi_result="no, gcc <= 2.95.3" ;; esac AC_MSG_RESULT([$gmp_gcc_arm_umodsi_result]) ]) dnl GMP_GCC_MARCH_PENTIUMPRO(CC,[ACTIONS-IF-GOOD][,ACTIONS-IF-BAD]) dnl --------------------------------------------------------------- dnl mpz/powm.c swox cvs rev 1.4 tickled a bug in gcc 2.95.2 and 2.95.3 when dnl -march=pentiumpro was used. The bug was wrong handling of the input to dnl an ABSIZ(z) expression in mpz_redc(). Fixed in 2.95.4 and pre-release dnl 3.0, and didn't seem to occur in unofficial 2.96, so test for 2.95.4 dnl and up. dnl dnl This macro is used only once, after finalizing a choice of CC, so the dnl result is cached. AC_DEFUN(GMP_GCC_MARCH_PENTIUMPRO, [AC_CACHE_CHECK([whether gcc -march=pentiumpro is good], gmp_cv_gcc_march_pentiumpro, [GMP_GCC_VERSION_GE([$1], 2,95,4) case $gmp_compare_ge in yes|no) gmp_cv_gcc_march_pentiumpro=$gmp_compare_ge ;; error|*) gmp_cv_gcc_march_pentiumpro=no ;; esac]) if test $gmp_cv_gcc_march_pentiumpro = yes; then ifelse([$2],,:,[$2]) else ifelse([$3],,:,[$3]) fi ]) dnl GMP_GCC_M68K_OPTIMIZE(CCBASE,CC,FLAG-VARIABLE) dnl ---------------------------------------------- dnl m68k gcc 2.95.x gets an internal compiler error when compiling the dnl current mpn/generic/gcdext.c (swox cvs rev 1.20) under -O2 or higher, dnl so just use -O for the offending gcc versions. Naturally if gcdext.c dnl gets rearranged or rewritten so the ICE doesn't happen then this can be dnl removed. AC_DEFUN(GMP_GCC_M68K_OPTIMIZE, [case $host in m68*-*-*) if test $1 = gcc; then case `$2 --version` in 2.95*) $3=-O ;; esac fi ;; esac ]) dnl GMP_INIT([M4-DEF-FILE]) dnl ----------------------- dnl Initializations for GMP config.m4 generation. dnl dnl FIXME: The generated config.m4 doesn't get recreated by config.status. dnl Maybe the relevant "echo"s should go through AC_CONFIG_COMMANDS. AC_DEFUN(GMP_INIT, [ifelse([$1], , gmp_configm4=config.m4, gmp_configm4="[$1]") gmp_tmpconfigm4=cnfm4.tmp gmp_tmpconfigm4i=cnfm4i.tmp gmp_tmpconfigm4p=cnfm4p.tmp rm -f $gmp_tmpconfigm4 $gmp_tmpconfigm4i $gmp_tmpconfigm4p # CONFIG_TOP_SRCDIR is a path from the mpn builddir to the top srcdir. # The pattern here tests for an absolute path the same way as # _AC_OUTPUT_FILES in autoconf acgeneral.m4. case $srcdir in [[\\/]]* | ?:[[\\/]]* ) tmp="$srcdir" ;; *) tmp="../$srcdir" ;; esac echo ["define(,<\`$tmp'>)"] >>$gmp_tmpconfigm4 # All CPUs use asm-defs.m4 echo ["include(CONFIG_TOP_SRCDIR\`/mpn/asm-defs.m4')"] >>$gmp_tmpconfigm4i ]) dnl GMP_FINISH dnl ---------- dnl Create config.m4 from its accumulated parts. dnl dnl __CONFIG_M4_INCLUDED__ is used so that a second or subsequent include dnl of config.m4 is harmless. dnl dnl A separate ifdef on the angle bracket quoted part ensures the quoting dnl style there is respected. The basic defines from gmp_tmpconfigm4 are dnl fully quoted but are still put under an ifdef in case any have been dnl redefined by one of the m4 include files. dnl dnl Doing a big ifdef within asm-defs.m4 and/or other macro files wouldn't dnl work, since it'd interpret parentheses and quotes in dnl comments, and dnl having a whole file as a macro argument would overflow the string space dnl on BSD m4. AC_DEFUN(GMP_FINISH, [AC_REQUIRE([GMP_INIT]) echo "creating $gmp_configm4" echo ["d""nl $gmp_configm4. Generated automatically by configure."] > $gmp_configm4 if test -f $gmp_tmpconfigm4; then echo ["changequote(<,>)"] >> $gmp_configm4 echo ["ifdef(<__CONFIG_M4_INCLUDED__>,,<"] >> $gmp_configm4 cat $gmp_tmpconfigm4 >> $gmp_configm4 echo [">)"] >> $gmp_configm4 echo ["changequote(\`,')"] >> $gmp_configm4 rm $gmp_tmpconfigm4 fi echo ["ifdef(\`__CONFIG_M4_INCLUDED__',,\`"] >> $gmp_configm4 if test -f $gmp_tmpconfigm4i; then cat $gmp_tmpconfigm4i >> $gmp_configm4 rm $gmp_tmpconfigm4i fi if test -f $gmp_tmpconfigm4p; then cat $gmp_tmpconfigm4p >> $gmp_configm4 rm $gmp_tmpconfigm4p fi echo ["')"] >> $gmp_configm4 echo ["define(\`__CONFIG_M4_INCLUDED__')"] >> $gmp_configm4 ]) dnl GMP_INCLUDE_MPN(FILE) dnl --------------------- dnl Add an include_mpn(`FILE') to config.m4. FILE should be a path dnl relative to the mpn source directory, for example dnl dnl GMP_INCLUDE_MPN(`x86/x86-defs.m4') dnl AC_DEFUN(GMP_INCLUDE_MPN, [AC_REQUIRE([GMP_INIT]) echo ["include_mpn(\`$1')"] >> $gmp_tmpconfigm4i ]) dnl GMP_DEFINE(MACRO, DEFINITION [, LOCATION]) dnl ------------------------------------------ dnl Define M4 macro MACRO as DEFINITION in temporary file. dnl dnl If LOCATION is `POST', the definition will appear after any include() dnl directives inserted by GMP_INCLUDE. Mind the quoting! No shell dnl variables will get expanded. Don't forget to invoke GMP_FINISH to dnl create file config.m4. config.m4 uses `<' and '>' as quote characters dnl for all defines. AC_DEFUN(GMP_DEFINE, [AC_REQUIRE([GMP_INIT]) echo ['define(<$1>, <$2>)'] >>ifelse([$3], [POST], $gmp_tmpconfigm4p, $gmp_tmpconfigm4) ]) dnl GMP_DEFINE_RAW(STRING, [, LOCATION]) dnl ------------------------------------ dnl Put STRING into config.m4 file. dnl dnl If LOCATION is `POST', the definition will appear after any include() dnl directives inserted by GMP_INCLUDE. Don't forget to invoke GMP_FINISH dnl to create file config.m4. AC_DEFUN(GMP_DEFINE_RAW, [AC_REQUIRE([GMP_INIT]) echo [$1] >> ifelse([$2], [POST], $gmp_tmpconfigm4p, $gmp_tmpconfigm4) ]) dnl GMP_TRY_ASSEMBLE(asm-code,[action-success][,action-fail]) dnl ---------------------------------------------------------- dnl Attempt to assemble the given code. dnl Do "action-success" if this succeeds, "action-fail" if not. dnl dnl conftest.o and conftest.out are available for inspection in dnl "action-success". If either action does a "break" out of a loop then dnl an explicit "rm -f conftest*" will be necessary. dnl dnl This is not unlike AC_TRY_COMPILE, but there's no default includes or dnl anything in "asm-code", everything wanted must be given explicitly. AC_DEFUN(GMP_TRY_ASSEMBLE, [cat >conftest.s <&AC_FD_CC ifelse([$2],,:,[$2]) else cat conftest.out >&AC_FD_CC echo "configure: failed program was:" >&AC_FD_CC cat conftest.s >&AC_FD_CC ifelse([$3],,:,[$3]) fi rm -f conftest* ]) dnl GMP_ASM_LABEL_SUFFIX dnl -------------------- dnl Should a label have a colon or not? AC_DEFUN(GMP_ASM_LABEL_SUFFIX, [AC_CACHE_CHECK([what assembly label suffix to use], gmp_cv_asm_label_suffix, [case $host in # Empty is only for the HP-UX hppa assembler; hppa gas requires a colon. *-*-hpux*) gmp_cv_asm_label_suffix= ;; *) gmp_cv_asm_label_suffix=: ;; esac ]) echo ["define(, <\$][1$gmp_cv_asm_label_suffix>)"] >> $gmp_tmpconfigm4 ]) dnl GMP_ASM_UNDERSCORE dnl ------------------ dnl Determine whether global symbols need to be prefixed with an underscore. dnl A test program is linked to an assembler module with or without an dnl underscore to see which works. dnl dnl This method should be more reliable than grepping a .o file or using dnl nm, since it corresponds to what a real program is going to do. Note dnl in particular that grepping doesn't work with SunOS 4 native grep since dnl that grep seems to have trouble with '\0's in files. AC_DEFUN(GMP_ASM_UNDERSCORE, [AC_REQUIRE([GMP_ASM_TEXT]) AC_REQUIRE([GMP_ASM_GLOBL]) AC_REQUIRE([GMP_ASM_LABEL_SUFFIX]) AC_CACHE_CHECK([if globals are prefixed by underscore], gmp_cv_asm_underscore, [cat >conftes1.c <conftes2.s <>conftes2.s <,<$gmp_cv_asm_align_log>)"]) ]) dnl GMP_ASM_ALIGN_FILL_0x90 dnl ----------------------- dnl Determine whether a ",0x90" suffix works on a .align directive. dnl This is only meant for use on x86, 0x90 being a "nop". dnl dnl Old gas, eg. 1.92.3 dnl Needs ",0x90" or else the fill is 0x00, which can't be executed dnl across. dnl dnl New gas, eg. 2.91 dnl Generates multi-byte nop fills even when ",0x90" is given. dnl dnl Solaris 2.6 as dnl ",0x90" is not allowed, causes a fatal error. dnl dnl Solaris 2.8 as dnl ",0x90" does nothing, generates a warning that it's being ignored. dnl dnl SCO OpenServer 5 as dnl Second parameter is max bytes to fill, not a fill pattern. dnl ",0x90" is an error due to being bigger than the first parameter. dnl Multi-byte nop fills are generated in text segments. dnl dnl Note that both solaris "as"s only care about ",0x90" if they actually dnl have to use it to fill something, hence the .byte in the test. It's dnl the second .align which provokes the error or warning. dnl dnl The warning from solaris 2.8 is supressed to stop anyone worrying that dnl something might be wrong. AC_DEFUN(GMP_ASM_ALIGN_FILL_0x90, [AC_REQUIRE([GMP_ASM_TEXT]) AC_CACHE_CHECK([if the .align directive accepts an 0x90 fill in .text], gmp_cv_asm_align_fill_0x90, [GMP_TRY_ASSEMBLE( [ $gmp_cv_asm_text .align 4, 0x90 .byte 0 .align 4, 0x90], [if grep "Warning: Fill parameter ignored for executable section" conftest.out >/dev/null; then echo "Supressing this warning by omitting 0x90" 1>&AC_FD_CC gmp_cv_asm_align_fill_0x90=no else gmp_cv_asm_align_fill_0x90=yes fi], [gmp_cv_asm_align_fill_0x90=no])]) GMP_DEFINE_RAW(["define(,<$gmp_cv_asm_align_fill_0x90>)"]) ]) dnl GMP_ASM_TEXT dnl ------------ AC_DEFUN(GMP_ASM_TEXT, [AC_CACHE_CHECK([how to switch to text section], gmp_cv_asm_text, [case $host in *-*-aix*) gmp_cv_asm_text=[".csect .text[PR]"] ;; *-*-hpux*) gmp_cv_asm_text=".code" ;; *) gmp_cv_asm_text=".text" ;; esac ]) echo ["define(, <$gmp_cv_asm_text>)"] >> $gmp_tmpconfigm4 ]) dnl GMP_ASM_DATA dnl ------------ dnl Can we say `.data'? AC_DEFUN(GMP_ASM_DATA, [AC_CACHE_CHECK([how to switch to data section], gmp_cv_asm_data, [case $host in *-*-aix*) gmp_cv_asm_data=[".csect .data[RW]"] ;; *) gmp_cv_asm_data=".data" ;; esac ]) echo ["define(, <$gmp_cv_asm_data>)"] >> $gmp_tmpconfigm4 ]) dnl GMP_ASM_RODATA dnl -------------- dnl Find out how to switch to the read-only data section. dnl dnl The compiler output is grepped for the right directive. It's not dnl considered wise to just probe for ".section .rodata" or whatever works, dnl since arbitrary section names might be accepted, but not necessarily do dnl the right thing when the get to the linker. dnl dnl Only a few asm files use RODATA, so this code is perhaps a bit dnl excessive right now, but should find more uses in the future. dnl dnl FIXME: gcc on aix generates something like ".csect _foo.ro_c[RO],3" dnl where foo is the object file. Might need to check for that if we use dnl RODATA there. AC_DEFUN(GMP_ASM_RODATA, [AC_REQUIRE([GMP_ASM_TEXT]) AC_REQUIRE([GMP_ASM_DATA]) AC_REQUIRE([GMP_ASM_LABEL_SUFFIX]) AC_REQUIRE([GMP_ASM_UNDERSCORE]) AC_CACHE_CHECK([how to switch to read-only data section], gmp_cv_asm_rodata, [ dnl Default to DATA on CPUs with split code/data caching, and TEXT dnl elsewhere. i386 means generic x86, so use DATA on it. case $host in X86_PATTERN) gmp_cv_asm_rodata="$gmp_cv_asm_data" ;; *) gmp_cv_asm_rodata="$gmp_cv_asm_text" ;; esac cat >conftest.c <&AC_FD_CC cat conftest.c >&AC_FD_CC gmp_compile="$CC $CFLAGS $CPPFLAGS -S conftest.c >&AC_FD_CC" if AC_TRY_EVAL(gmp_compile); then echo "Compiler output:" >&AC_FD_CC cat conftest.s >&AC_FD_CC if test $gmp_cv_asm_underscore = yes; then tmp_gsym_prefix=_ else tmp_gsym_prefix= fi # must see our label if grep "^${tmp_gsym_prefix}foo$gmp_cv_asm_label_suffix" conftest.s >/dev/null 2>&AC_FD_CC; then # take the last directive before our label (hence skipping segments # getting debugging info etc) tmp_match=`sed -n ["/^${tmp_gsym_prefix}foo$gmp_cv_asm_label_suffix/q /^[. ]*data/p /^[. ]*rdata/p /^[. ]*text/p /^[. ]*section/p /^[. ]*csect/p /^[. ]*CSECT/p"] conftest.s | sed -n '$p'` echo "Match: $tmp_match" >&AC_FD_CC if test -n "$tmp_match"; then gmp_cv_asm_rodata=$tmp_match fi else echo "Couldn't find label: ^${tmp_gsym_prefix}foo$gmp_cv_asm_label_suffix" >&AC_FD_CC fi fi ]) echo ["define(, <$gmp_cv_asm_rodata>)"] >> $gmp_tmpconfigm4 ]) dnl GMP_ASM_GLOBL dnl ------------- dnl Can we say `.global'? AC_DEFUN(GMP_ASM_GLOBL, [AC_CACHE_CHECK([how to export a symbol], gmp_cv_asm_globl, [case $host in *-*-hpux*) gmp_cv_asm_globl=".export" ;; *) gmp_cv_asm_globl=".globl" ;; esac ]) echo ["define(, <$gmp_cv_asm_globl>)"] >> $gmp_tmpconfigm4 ]) dnl GMP_ASM_GLOBL_ATTR dnl ------------------ dnl Do we need something after `.global symbol'? AC_DEFUN(GMP_ASM_GLOBL_ATTR, [AC_CACHE_CHECK([if the export directive needs an attribute], gmp_cv_asm_globl_attr, [case $host in *-*-hpux*) gmp_cv_asm_globl_attr=",entry" ;; *) gmp_cv_asm_globl_attr="" ;; esac ]) echo ["define(, <$gmp_cv_asm_globl_attr>)"] >> $gmp_tmpconfigm4 ]) dnl GMP_ASM_TYPE dnl ------------ dnl Can we say ".type", and how? dnl dnl For i386 GNU/Linux ELF systems, and very likely other ELF systems, dnl .type and .size are important on functions in shared libraries. If dnl .type is omitted and the mainline program references that function then dnl the code will be copied down to the mainline at load time like a piece dnl of data. If .size is wrong or missing (it defaults to 4 bytes or some dnl such) then incorrect bytes will be copied and a segv is the most likely dnl result. In any case such copying is not what's wanted, a .type dnl directive will ensure a PLT entry is used. dnl dnl In GMP the assembler functions are normally only used from within the dnl library (since most programs are not interested in the low level dnl routines), and in those circumstances a missing .type isn't fatal, dnl letting the problem go unnoticed. tests/mpn/t-asmtype.c aims to check dnl for it. AC_DEFUN(GMP_ASM_TYPE, [AC_CACHE_CHECK([how the .type assembly directive should be used], gmp_cv_asm_type, [for gmp_tmp_prefix in @ \# %; do GMP_TRY_ASSEMBLE([ .type sym,${gmp_tmp_prefix}function], [gmp_cv_asm_type=".type \$][1,${gmp_tmp_prefix}\$][2" break]) done rm -f conftest* if test -z "$gmp_cv_asm_type"; then gmp_cv_asm_type="" fi ]) echo ["define(, <$gmp_cv_asm_type>)"] >> $gmp_tmpconfigm4 ]) dnl GMP_ASM_SIZE dnl ------------ dnl Can we say `.size'? AC_DEFUN(GMP_ASM_SIZE, [AC_CACHE_CHECK([if the .size assembly directive works], gmp_cv_asm_size, [GMP_TRY_ASSEMBLE([ .size sym,1], [gmp_cv_asm_size=".size \$][1,\$][2"], [gmp_cv_asm_size=""]) ]) echo ["define(, <$gmp_cv_asm_size>)"] >> $gmp_tmpconfigm4 ]) dnl GMP_ASM_LSYM_PREFIX dnl ------------------- dnl What is the prefix for a local label? dnl dnl FIXME: Consider validating $NM by first requiring that gurkmacka shows dnl up when unprefixed. AC_DEFUN(GMP_ASM_LSYM_PREFIX, [AC_REQUIRE([GMP_ASM_LABEL_SUFFIX]) AC_REQUIRE([GMP_PROG_NM]) AC_CACHE_CHECK([what prefix to use for a local label], gmp_cv_asm_lsym_prefix, [gmp_cv_asm_lsym_prefix="L" gmp_found=no for gmp_tmp_pre in L .L $ L$; do echo "Trying $gmp_tmp_pre" >&AC_FD_CC GMP_TRY_ASSEMBLE( [dummy${gmp_cv_asm_label_suffix} ${gmp_tmp_pre}gurkmacka${gmp_cv_asm_label_suffix} .byte 0], [$NM conftest.o >&AC_FD_CC 2>&AC_FD_CC if test $? != 0; then AC_MSG_WARN([NM failure, using default local label $gmp_cv_asm_lsym_prefix]) gmp_found=yes break fi if $NM conftest.o | grep gurkmacka >/dev/null; then : ; else gmp_cv_asm_lsym_prefix="$gmp_tmp_pre" gmp_found=yes break fi]) done rm -f conftest* if test $gmp_found = no; then AC_MSG_WARN([cannot determine local label, using default $gmp_cv_asm_lsym_prefix]) fi ]) echo ["define(, <${gmp_cv_asm_lsym_prefix}>)"] >> $gmp_tmpconfigm4 AC_DEFINE_UNQUOTED(LSYM_PREFIX, "$gmp_cv_asm_lsym_prefix", [Assembler local label prefix]) ]) dnl GMP_ASM_W32 dnl ----------- dnl How to define a 32-bit word. AC_DEFUN(GMP_ASM_W32, [AC_REQUIRE([GMP_ASM_DATA]) AC_REQUIRE([GMP_ASM_GLOBL]) AC_REQUIRE([GMP_ASM_LABEL_SUFFIX]) AC_REQUIRE([GMP_PROG_NM]) AC_CACHE_CHECK([how to define a 32-bit word], gmp_cv_asm_w32, [case $host in *-*-hpux*) # FIXME: HPUX puts first symbol at 0x40000000, breaking our assumption # that it's at 0x0. We'll have to declare another symbol before the # .long/.word and look at the distance between the two symbols. The # only problem is that the sed expression(s) barfs (on Solaris, for # example) for the symbol with value 0. For now, HPUX uses .word. gmp_cv_asm_w32=".word" ;; *-*-*) gmp_tmp_val= for gmp_tmp_op in .long .word; do GMP_TRY_ASSEMBLE( [ $gmp_cv_asm_data $gmp_cv_asm_globl foo $gmp_tmp_op 0 foo$gmp_cv_asm_label_suffix .byte 0], [gmp_tmp_val=[`$NM conftest.o | grep foo | \ sed -e 's;[[][0-9][]]\(.*\);\1;' -e 's;[^1-9]*\([0-9]*\).*;\1;'`] if test "$gmp_tmp_val" = 4; then gmp_cv_asm_w32="$gmp_tmp_op" break fi]) done rm -f conftest* ;; esac if test -z "$gmp_cv_asm_w32"; then AC_MSG_ERROR([cannot determine how to define a 32-bit word]) fi ]) echo ["define(, <$gmp_cv_asm_w32>)"] >> $gmp_tmpconfigm4 ]) dnl GMP_ASM_X86_MMX([ACTION-IF-FOUND][,ACTION-IF-NOT-FOUND]) dnl --------------------------------------------------------- dnl Determine whether the assembler supports MMX instructions. dnl dnl This macro is wanted before GMP_ASM_TEXT, so ".text" is hard coded dnl here. ".text" is believed to be correct on all x86 systems, certainly dnl it's all GMP_ASM_TEXT gives currently. Actually ".text" probably isn't dnl needed at all, at least for just checking instruction syntax. dnl dnl "movq %mm0, %mm1" should assemble as "0f 6f c8", but Solaris 2.6 and dnl 2.7 wrongly assemble it as "0f 6f c1" (that being the reverse "movq dnl %mm1, %mm0"). It seems more trouble than it's worth to work around dnl this in the code, so just detect and reject. AC_DEFUN(GMP_ASM_X86_MMX, [AC_CACHE_CHECK([if the assembler knows about MMX instructions], gmp_cv_asm_x86_mmx, [GMP_TRY_ASSEMBLE( [ .text movq %mm0, %mm1], [gmp_cv_asm_x86_mmx=yes case $host in *-*-solaris*) if (dis conftest.o >conftest.out) 2>/dev/null; then if grep "0f 6f c1" conftest.out >/dev/null; then gmp_cv_asm_x86_mmx=movq-bug fi else AC_MSG_WARN(["dis" not available to check for "as" movq bug]) fi esac], [gmp_cv_asm_x86_mmx=no])]) case $gmp_cv_asm_x86_mmx in movq-bug) AC_MSG_WARN([+----------------------------------------------------------]) AC_MSG_WARN([| WARNING WARNING WARNING]) AC_MSG_WARN([| Host CPU has MMX code, but the assembler]) AC_MSG_WARN([| $CCAS $CFLAGS]) AC_MSG_WARN([| has the Solaris 2.6 and 2.7 bug where register to register]) AC_MSG_WARN([| movq operands are reversed.]) AC_MSG_WARN([| Non-MMX replacements will be used.]) AC_MSG_WARN([| This will be an inferior build.]) AC_MSG_WARN([+----------------------------------------------------------]) ;; no) AC_MSG_WARN([+----------------------------------------------------------]) AC_MSG_WARN([| WARNING WARNING WARNING]) AC_MSG_WARN([| Host CPU has MMX code, but it can't be assembled by]) AC_MSG_WARN([| $CCAS $CFLAGS]) AC_MSG_WARN([| Non-MMX replacements will be used.]) AC_MSG_WARN([| This will be an inferior build.]) AC_MSG_WARN([+----------------------------------------------------------]) ;; esac if test "$gmp_cv_asm_x86_mmx" = yes; then ifelse([$1],,:,[$1]) else ifelse([$2],,:,[$2]) fi ]) dnl GMP_ASM_X86_SHLDL_CL dnl -------------------- AC_DEFUN(GMP_ASM_X86_SHLDL_CL, [AC_REQUIRE([GMP_ASM_TEXT]) AC_CACHE_CHECK([if the assembler takes cl with shldl], gmp_cv_asm_x86_shldl_cl, [GMP_TRY_ASSEMBLE( [ $gmp_cv_asm_text shldl %cl, %eax, %ebx], gmp_cv_asm_x86_shldl_cl=yes, gmp_cv_asm_x86_shldl_cl=no) ]) if test "$gmp_cv_asm_x86_shldl_cl" = "yes"; then GMP_DEFINE(WANT_SHLDL_CL,1) else GMP_DEFINE(WANT_SHLDL_CL,0) fi ]) dnl GMP_ASM_X86_SSE2([ACTION-IF-FOUND][,ACTION-IF-NOT-FOUND]) dnl --------------------------------------------------------- dnl Determine whether the assembler supports SSE2 instructions. dnl dnl This macro is wanted before GMP_ASM_TEXT, so ".text" is hard coded dnl here. ".text" is believed to be correct on all x86 systems, certainly dnl it's all GMP_ASM_TEXT gives currently. Actually ".text" probably isn't dnl needed at all, at least for just checking instruction syntax. AC_DEFUN(GMP_ASM_X86_SSE2, [AC_CACHE_CHECK([if the assembler knows about SSE2 instructions], gmp_cv_asm_x86_sse2, [GMP_TRY_ASSEMBLE( [ .text paddq %mm0, %mm1], [gmp_cv_asm_x86_sse2=yes], [gmp_cv_asm_x86_sse2=no]) ]) case $gmp_cv_asm_x86_sse2 in yes) ifelse([$1],,:,[$1]) ;; *) AC_MSG_WARN([+----------------------------------------------------------]) AC_MSG_WARN([| WARNING WARNING WARNING]) AC_MSG_WARN([| Host CPU has SSE2 code, but it can't be assembled by]) AC_MSG_WARN([| $CCAS $CFLAGS]) AC_MSG_WARN([| Non-SSE2 replacements will be used.]) AC_MSG_WARN([| This will be an inferior build.]) AC_MSG_WARN([+----------------------------------------------------------]) ifelse([$2],,:,[$2]) ;; esac ]) dnl GMP_ASM_X86_MCOUNT dnl ------------------ dnl Find out how to call mcount for profiling on an x86 system. dnl dnl A dummy function is compiled and the ".s" output examined. The pattern dnl matching might be a bit fragile, but should work at least with gcc on dnl sensible systems. Certainly it's better than hard coding a table of dnl conventions. dnl dnl For non-PIC, any ".data" is taken to mean a counter might be passed. dnl It's assumed a movl will set it up, and the right register is taken dnl from that movl. Any movl involving %esp is ignored (a frame pointer dnl setup normally). dnl dnl For PIC, any ".data" is similarly interpreted, but a GOTOFF identifies dnl the line setting up the right register. dnl dnl In both cases a line with "mcount" identifies the call and that line is dnl used literally. dnl dnl On some systems (eg. FreeBSD 3.5) gcc emits ".data" but doesn't use it, dnl so it's not an error to have .data but then not find a register. dnl dnl Variations in mcount conventions on different x86 systems can be found dnl in gcc config/i386. mcount can have a "_" prefix or be .mcount or dnl _mcount_ptr, and for PIC it can be called through a GOT entry, or via dnl the PLT. If a pointer to a counter is required it's passed in %eax or dnl %edx. dnl dnl Flags to specify PIC are taken from $ac_cv_prog_cc_pic set by dnl AC_PROG_LIBTOOL. dnl dnl Enhancement: Cache the values determined here. But what's the right way dnl to get two variables (mcount_nonpic_reg and mcount_nonpic_call say) set dnl from one block of commands? AC_DEFUN(GMP_ASM_X86_MCOUNT, [AC_REQUIRE([AC_ENABLE_SHARED]) AC_REQUIRE([AC_PROG_LIBTOOL]) AC_MSG_CHECKING([how to call x86 mcount]) cat >conftest.c </dev/null; then mcount_nonpic_reg=`sed -n ['/esp/!s/.*movl.*,\(%[a-z]*\).*$/\1/p'] conftest.s` else mcount_nonpic_reg= fi mcount_nonpic_call=`grep 'call.*mcount' conftest.s` if test -z "$mcount_nonpic_call"; then AC_MSG_ERROR([Cannot find mcount call for non-PIC]) fi else AC_MSG_ERROR([Cannot compile test program for non-PIC]) fi fi if test "$enable_shared" = yes; then gmp_asmout_compile="$CC $CFLAGS $CPPFLAGS $ac_cv_prog_cc_pic -S conftest.c 1>&AC_FD_CC" if AC_TRY_EVAL(gmp_asmout_compile); then if grep '\.data' conftest.s >/dev/null; then mcount_pic_reg=`sed -n ['s/.*GOTOFF.*,\(%[a-z]*\).*$/\1/p'] conftest.s` else mcount_pic_reg= fi mcount_pic_call=`grep 'call.*mcount' conftest.s` if test -z "$mcount_pic_call"; then AC_MSG_ERROR([Cannot find mcount call for PIC]) fi else AC_MSG_ERROR([Cannot compile test program for PIC]) fi fi GMP_DEFINE_RAW(["define(, <\`$mcount_nonpic_reg'>)"]) GMP_DEFINE_RAW(["define(,<\`$mcount_nonpic_call'>)"]) GMP_DEFINE_RAW(["define(, <\`$mcount_pic_reg'>)"]) GMP_DEFINE_RAW(["define(, <\`$mcount_pic_call'>)"]) rm -f conftest.* AC_MSG_RESULT([determined]) ]) dnl GMP_ASM_M68K_INSTRUCTION dnl ------------------------ dnl Not sure if ".l" and "%" are independent settings, but it doesn't hurt dnl to try all four possibilities. Note that the % ones must be first, so dnl "d0" won't be interpreted as a label. dnl dnl gas 1.92.3 on NetBSD 1.4 needs to be tested with a two operand dnl instruction. It takes registers without "%", but a single operand dnl "clrl %d0" only gives a warning, not an error. AC_DEFUN(GMP_ASM_M68K_INSTRUCTION, [AC_REQUIRE([GMP_ASM_TEXT]) AC_CACHE_CHECK([assembler instruction and register style], gmp_cv_asm_m68k_instruction, [gmp_cv_asm_m68k_instruction=unknown for i in "addl %d0,%d1" "add.l %d0,%d1" "addl d0,d1" "add.l d0,d1"; do GMP_TRY_ASSEMBLE( [ $gmp_cv_asm_text $i], [gmp_cv_asm_m68k_instruction=$i rm -f conftest* break]) done ]) case $gmp_cv_asm_m68k_instruction in "addl d0,d1") want_dot_size=no; want_register_percent=no ;; "addl %d0,%d1") want_dot_size=no; want_register_percent=yes ;; "add.l d0,d1") want_dot_size=yes; want_register_percent=no ;; "add.l %d0,%d1") want_dot_size=yes; want_register_percent=yes ;; *) AC_MSG_ERROR([cannot determine assembler instruction and register style]) ;; esac GMP_DEFINE_RAW(["define(, <\`$want_register_percent'>)"]) GMP_DEFINE_RAW(["define(, <\`$want_dot_size'>)"]) ]) dnl GMP_ASM_M68K_ADDRESSING dnl ----------------------- AC_DEFUN(GMP_ASM_M68K_ADDRESSING, [AC_REQUIRE([GMP_ASM_TEXT]) AC_REQUIRE([GMP_ASM_M68K_INSTRUCTION]) AC_CACHE_CHECK([assembler addressing style], gmp_cv_asm_m68k_addressing, [case $gmp_cv_asm_m68k_instruction in addl*) movel=movel ;; add.l*) movel=move.l ;; *) AC_MSG_ERROR([oops, unrecognised gmp_cv_asm_m68k_instruction]) ;; esac case $gmp_cv_asm_m68k_instruction in *"%d0,%d1") dreg=%d0; areg=%a0 ;; *"d0,d1") dreg=d0; areg=a0 ;; *) AC_MSG_ERROR([oops, unrecognised gmp_cv_asm_m68k_instruction]) ;; esac GMP_TRY_ASSEMBLE( [ $gmp_cv_asm_text $movel $dreg, $areg@-], [gmp_cv_asm_m68k_addressing=mit], [GMP_TRY_ASSEMBLE( [ $gmp_cv_asm_text $movel $dreg, -($areg)], [gmp_cv_asm_m68k_addressing=motorola], [AC_MSG_ERROR([cannot determine assembler addressing style])])]) ]) GMP_DEFINE_RAW(["define(, <\`$gmp_cv_asm_m68k_addressing'>)"]) ]) dnl GMP_ASM_M68K_BRANCHES dnl --------------------- dnl "bra" is the standard branch instruction. "jra" or "jbra" are dnl preferred where available, since on gas for instance they give a dnl displacement only as big as it needs to be, whereas "bra" is always dnl 16-bits. This applies to the conditional branches "bcc" etc too. dnl However "dbcc" etc on gas are already only as big as they need to be. AC_DEFUN(GMP_ASM_M68K_BRANCHES, [AC_REQUIRE([GMP_ASM_TEXT]) AC_CACHE_CHECK([assembler shortest branches], gmp_cv_asm_m68k_branches, [gmp_cv_asm_m68k_branches=unknown for i in jra jbra bra; do GMP_TRY_ASSEMBLE( [ $gmp_cv_asm_text foo$gmp_cv_asm_label_suffix $i foo], [gmp_cv_asm_m68k_branches=$i rm -f conftest* break]) done ]) if test "$gmp_cv_asm_m68k_branches" = unknown; then AC_MSG_ERROR([cannot determine assembler branching style]) fi GMP_DEFINE_RAW(["define(, <\`$gmp_cv_asm_m68k_branches'>)"]) ]) dnl GMP_ASM_POWERPC_R_REGISTERS dnl --------------------------- dnl Determine whether the assembler takes powerpc registers with an "r" as dnl in "r6", or as plain "6". The latter is standard, but NeXT, Rhapsody, dnl and MacOS-X require the "r" forms. dnl dnl See also mpn/powerpc32/powerpc-defs.m4 which uses the result of this dnl test. AC_DEFUN(GMP_ASM_POWERPC_R_REGISTERS, [AC_REQUIRE([GMP_ASM_TEXT]) AC_CACHE_CHECK([if the assembler needs r on registers], gmp_cv_asm_powerpc_r_registers, [GMP_TRY_ASSEMBLE( [ $gmp_cv_asm_text mtctr 6], [gmp_cv_asm_powerpc_r_registers=no], [GMP_TRY_ASSEMBLE( [ $gmp_cv_asm_text mtctr r6], [gmp_cv_asm_powerpc_r_registers=yes], [AC_MSG_ERROR([neither "mtctr 6" nor "mtctr r6" works])])])]) GMP_DEFINE_RAW(["define(,<$gmp_cv_asm_powerpc_r_registers>)"]) ]) dnl GMP_C_ATTRIBUTE_CONST dnl --------------------- AC_DEFUN(GMP_C_ATTRIBUTE_CONST, [AC_CACHE_CHECK([whether gcc __attribute__ ((const)) works], gmp_cv_c_attribute_const, [AC_TRY_COMPILE([int foo (int x) __attribute__ ((const));], , gmp_cv_c_attribute_const=yes, gmp_cv_c_attribute_const=no) ]) if test $gmp_cv_c_attribute_const = yes; then AC_DEFINE(HAVE_ATTRIBUTE_CONST, 1, [Define if the compiler accepts gcc style __attribute__ ((const))]) fi ]) dnl GMP_C_ATTRIBUTE_MALLOC dnl ---------------------- dnl gcc 2.95.x accepts __attribute__ ((malloc)) but with a warning that dnl it's ignored. Pretend it doesn't exist in this case, to avoid that dnl warning. AC_DEFUN(GMP_C_ATTRIBUTE_MALLOC, [AC_CACHE_CHECK([whether gcc __attribute__ ((malloc)) works], gmp_cv_c_attribute_malloc, [cat >conftest.c </dev/null; then gmp_cv_c_attribute_malloc=no else gmp_cv_c_attribute_malloc=yes fi else gmp_cv_c_attribute_malloc=no fi cat conftest.out >&AC_FD_CC rm -f conftest* ]) if test $gmp_cv_c_attribute_malloc = yes; then AC_DEFINE(HAVE_ATTRIBUTE_MALLOC, 1, [Define if the compiler accepts gcc style __attribute__ ((malloc))]) fi ]) dnl GMP_C_ATTRIBUTE_MODE dnl -------------------- dnl Introduced in gcc 2.2, but perhaps not in all Apple derived versions. AC_DEFUN(GMP_C_ATTRIBUTE_MODE, [AC_CACHE_CHECK([whether gcc __attribute__ ((mode (XX))) works], gmp_cv_c_attribute_mode, [AC_TRY_COMPILE([typedef int SItype __attribute__ ((mode (SI)));], , gmp_cv_c_attribute_mode=yes, gmp_cv_c_attribute_mode=no) ]) if test $gmp_cv_c_attribute_mode = yes; then AC_DEFINE(HAVE_ATTRIBUTE_MODE, 1, [Define if the compiler accepts gcc style __attribute__ ((mode (XX)))]) fi ]) dnl GMP_C_ATTRIBUTE_NORETURN dnl ------------------------ AC_DEFUN(GMP_C_ATTRIBUTE_NORETURN, [AC_CACHE_CHECK([whether gcc __attribute__ ((noreturn)) works], gmp_cv_c_attribute_noreturn, [AC_TRY_COMPILE([void foo (int x) __attribute__ ((noreturn));], , gmp_cv_c_attribute_noreturn=yes, gmp_cv_c_attribute_noreturn=no) ]) if test $gmp_cv_c_attribute_noreturn = yes; then AC_DEFINE(HAVE_ATTRIBUTE_NORETURN, 1, [Define if the compiler accepts gcc style __attribute__ ((noreturn))]) fi ]) dnl GMP_C_SIZES dnl ----------- dnl Determine some sizes, if not alredy provided by gmp-mparam.h. dnl $gmp_mparam_source is the selected gmp-mparam.h. dnl dnl BITS_PER_MP_LIMB, BYTES_PER_MP_LIMB and BITS_PER_ULONG are needed at dnl preprocessing time when building the library, for use in #if dnl conditionals. dnl dnl BITS_PER_MP_LIMB is also wanted as a plain constant for some macros in dnl the generated gmp.h, and is instantiated as __GMP_BITS_PER_MP_LIMB. dnl dnl If some assembler code depends on a particular type size it's probably dnl best to put explicit #defines for these in gmp-mparam.h. That way if dnl strange compiler options change the size then a mismatch will be dnl detected by t-constants.c rather than only by the code crashing or dnl giving wrong results. dnl dnl None of the assembler code depends on BITS_PER_ULONG currently, so it's dnl just as easy to let configure find its size as to put explicit values. dnl dnl The tests here assume bits=8*sizeof, but that might not be universally dnl true. It'd be better to probe for how many bits seem to work, like dnl t-constants does. But all currently supported systems have limbs and dnl ulongs with bits=8*sizeof, so it's academic. Strange systems can dnl always have the right values put in gmp-mparam.h explicitly. AC_DEFUN(GMP_C_SIZES, [__GMP_BITS_PER_MP_LIMB=[`sed -n 's/^#define BITS_PER_MP_LIMB[ ][ ]*\([0-9]*\).*$/\1/p' $gmp_mparam_source`] if test -n "$__GMP_BITS_PER_MP_LIMB" \ && grep "^#define BYTES_PER_MP_LIMB" $gmp_mparam_source >/dev/null; then : ; else AC_CHECK_SIZEOF(mp_limb_t,, [#include ] GMP_INCLUDE_GMP_H) if test "$ac_cv_sizeof_mp_limb_t" = 0; then AC_MSG_ERROR([some sort of compiler problem, mp_limb_t doesn't seem to work]) fi if test -z "$__GMP_BITS_PER_MP_LIMB"; then __GMP_BITS_PER_MP_LIMB="(8*$ac_cv_sizeof_mp_limb_t)" fi if grep "^#define BYTES_PER_MP_LIMB" $gmp_mparam_source >/dev/null; then : ; else AC_DEFINE_UNQUOTED(BYTES_PER_MP_LIMB, $ac_cv_sizeof_mp_limb_t, [bytes per mp_limb_t, if not in gmp-mparam.h]) fi fi AC_SUBST(__GMP_BITS_PER_MP_LIMB) define([GMP_INCLUDE_GMP_H_BITS_PER_MP_LIMB], [[#define __GMP_BITS_PER_MP_LIMB $__GMP_BITS_PER_MP_LIMB]]) if grep "^#define BITS_PER_ULONG" $gmp_mparam_source >/dev/null; then : ; else case $limb_chosen in longlong) AC_CHECK_SIZEOF(unsigned long) AC_DEFINE_UNQUOTED(BITS_PER_ULONG, (8 * $ac_cv_sizeof_unsigned_long), [bits per unsigned long, if not in gmp-mparam.h]) ;; *) # Copy the limb size when a limb is a ulong AC_DEFINE(BITS_PER_ULONG, BITS_PER_MP_LIMB) ;; esac fi ]) dnl GMP_C_STDARG dnl ------------ dnl Test whether to use or . dnl dnl Notice the AC_DEFINE here is HAVE_STDARG to avoid clashing with dnl HAVE_STDARG_H which could arise from AC_CHECK_HEADERS. dnl dnl This test might be slight overkill, after all there's really only going dnl to be ANSI or K&R and the two can be differentiated by AC_PROG_CC_STDC dnl or very likely by the setups for _PROTO in gmp.h. On the other hand dnl this test is nice and direct, being what we're going to actually use. AC_DEFUN(GMP_C_STDARG, [AC_CACHE_CHECK([whether exists and works], gmp_cv_c_stdarg, [AC_TRY_COMPILE( [#include int foo (int x, ...) { va_list ap; int y; va_start (ap, x); y = va_arg (ap, int); va_end (ap); return y; }],, gmp_cv_c_stdarg=yes, gmp_cv_c_stdarg=no) ]) if test $gmp_cv_c_stdarg = yes; then AC_DEFINE(HAVE_STDARG, 1, [Define if exists and works]) fi ]) dnl GMP_FUNC_ALLOCA dnl --------------- dnl Determine whether "alloca" is available. This is AC_FUNC_ALLOCA from dnl autoconf, but changed so it doesn't use alloca.c if alloca() isn't dnl available, and also to use gmp-impl.h for the conditionals detecting dnl compiler builtin alloca's. AC_DEFUN(GMP_FUNC_ALLOCA, [AC_REQUIRE([GMP_HEADER_ALLOCA]) AC_CACHE_CHECK([for alloca (via gmp-impl.h)], gmp_cv_func_alloca, [AC_TRY_LINK( GMP_INCLUDE_GMP_H [#include "$srcdir/gmp-impl.h" ], [char *p = (char *) alloca (1);], gmp_cv_func_alloca=yes, gmp_cv_func_alloca=no)]) if test $gmp_cv_func_alloca = yes; then AC_DEFINE(HAVE_ALLOCA, 1, [Define if alloca() works (via gmp-impl.h).]) fi ]) AC_DEFUN(GMP_HEADER_ALLOCA, [# The Ultrix 4.2 mips builtin alloca declared by alloca.h only works # for constant arguments. Useless! AC_CACHE_CHECK([for working alloca.h], gmp_cv_header_alloca, [AC_TRY_LINK([#include ], [char *p = (char *) alloca (2 * sizeof (int));], gmp_cv_header_alloca=yes, gmp_cv_header_alloca=no)]) if test $gmp_cv_header_alloca = yes; then AC_DEFINE(HAVE_ALLOCA_H, 1, [Define if you have and it should be used (not on Ultrix).]) fi ]) dnl GMP_OPTION_ALLOCA dnl ----------------- dnl Decide what to do about --enable-alloca from the user. dnl This is a macro so it can require GMP_FUNC_ALLOCA. AC_DEFUN(GMP_OPTION_ALLOCA, [AC_REQUIRE([GMP_FUNC_ALLOCA]) AC_CACHE_CHECK([how to allocate temporary memory], gmp_cv_option_alloca, [case $enable_alloca in yes) gmp_cv_option_alloca=alloca ;; no) gmp_cv_option_alloca=malloc-reentrant ;; reentrant | notreentrant) case $gmp_cv_func_alloca in yes) gmp_cv_option_alloca=alloca ;; *) gmp_cv_option_alloca=malloc-$enable_alloca ;; esac ;; *) gmp_cv_option_alloca=$enable_alloca ;; esac ]) case $gmp_cv_option_alloca in alloca) if test $gmp_cv_func_alloca = no; then AC_MSG_ERROR([--enable-alloca=alloca specified, but alloca not available]) fi AC_DEFINE(WANT_TMP_ALLOCA, 1, [--enable-alloca=yes]) ;; malloc-reentrant) AC_DEFINE(WANT_TMP_REENTRANT, 1, [--enable-alloca=malloc-reentrant]) TAL_OBJECT=tal-reent$U.lo ;; malloc-notreentrant) AC_DEFINE(WANT_TMP_NOTREENTRANT, 1, [--enable-alloca=malloc-notreentrant]) TAL_OBJECT=stack_alloc$U.lo ;; debug) AC_DEFINE(WANT_TMP_DEBUG, 1, [--enable-alloca=debug]) TAL_OBJECT=tal-debug$U.lo ;; *) # checks at the start of configure.in should protect us AC_MSG_ERROR([unrecognised --enable-alloca=$gmp_cv_option_alloca]) ;; esac AC_SUBST(TAL_OBJECT) ]) dnl GMP_FUNC_VSNPRINTF dnl ------------------ dnl Check whether vsnprintf exists, and works properly. dnl dnl Sparc Solaris 2.7 in 64-bit mode doesn't truncate, so vsnprintf is just dnl like vsprintf, which is completely useless. dnl dnl glibc 2.0.x returns either -1 or bufsize-1 for an overflow (both seen, dnl not sure which 2.0.x does which), but still puts the correct null dnl terminated result into the buffer. AC_DEFUN(GMP_FUNC_VSNPRINTF, [AC_REQUIRE([GMP_C_STDARG]) AC_CHECK_FUNC(vsnprintf, [gmp_vsnprintf_exists=yes], [gmp_vsnprintf_exists=no]) if test "$gmp_vsnprintf_exists" = yes; then AC_CACHE_CHECK([whether vsnprintf works], gmp_cv_func_vsnprintf, [AC_TRY_RUN([ #if HAVE_STDARG #include #else #include #endif #if HAVE_STDARG check (const char *fmt, ...) #else check (va_alist) va_dcl #endif { static char buf[128]; va_list ap; int ret; #if HAVE_STDARG va_start (ap, fmt); #else char *fmt; va_start (ap); fmt = va_arg (ap, char *); #endif ret = vsnprintf (buf, 4, fmt, ap); if (strcmp (buf, "hel") != 0) exit (1); /* allowed return values */ if (ret != -1 && ret != 3 && ret != 11) exit (2); } int main () { check ("hello world"); exit (0); } ], [gmp_cv_func_vsnprintf=yes], [gmp_cv_func_vsnprintf=no], [gmp_cv_func_vsnprintf=probably]) ]) if test "$gmp_cv_func_vsnprintf" = probably; then AC_MSG_WARN([cannot check for properly working vsnprintf when cross compiling, will assume it's ok]) fi if test "$gmp_cv_func_vsnprintf" != no; then AC_DEFINE(HAVE_VSNPRINTF,1, [Define if you have vsnprintf and it works properly.]) fi fi ]) dnl GMP_H_EXTERN_INLINE dnl ------------------- dnl If the compiler has an "inline" of some sort, check whether the dnl #ifdef's in gmp.h recognise it. AC_DEFUN(GMP_H_EXTERN_INLINE, [AC_REQUIRE([AC_C_INLINE]) case $ac_cv_c_inline in no) ;; *) AC_TRY_COMPILE( GMP_INCLUDE_GMP_H [#ifndef __GMP_EXTERN_INLINE die die die #endif ],,, [case $ac_cv_c_inline in "") tmp_inline=inline ;; *) tmp_inline=$ac_cv_c_inline ;; esac AC_MSG_WARN([gmp.h doesnt recognise compiler "$tmp_inline", inlines will be unavailable])]) ;; esac ]) dnl GMP_H_HAVE_FILE dnl --------------- dnl Check whether the #ifdef's in gmp.h recognise when stdio.h has been dnl included to get FILE. AC_DEFUN(GMP_H_HAVE_FILE, [AC_TRY_COMPILE( [#include ] GMP_INCLUDE_GMP_H [#if ! _GMP_H_HAVE_FILE die die die #endif ],,, [AC_MSG_WARN([gmp.h doesnt recognise , FILE prototypes will be unavailable])]) ]) # libtool.m4 - Configure libtool for the host system. -*-Shell-script-*- # serial 46 AC_PROG_LIBTOOL builtin([undefine],[symbols]) AC_DEFUN([AC_PROG_LIBTOOL], [AC_REQUIRE([AC_LIBTOOL_SETUP])dnl # This can be used to rebuild libtool when needed LIBTOOL_DEPS="$ac_aux_dir/ltmain.sh" # Always use our own libtool. LIBTOOL='$(SHELL) $(top_builddir)/libtool' AC_SUBST(LIBTOOL)dnl # Prevent multiple expansion define([AC_PROG_LIBTOOL], []) ]) AC_DEFUN([AC_LIBTOOL_SETUP], [AC_PREREQ(2.13)dnl AC_REQUIRE([AC_ENABLE_SHARED])dnl AC_REQUIRE([AC_ENABLE_STATIC])dnl AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl AC_REQUIRE([AC_CANONICAL_HOST])dnl AC_REQUIRE([AC_CANONICAL_BUILD])dnl AC_REQUIRE([AC_PROG_CC])dnl AC_REQUIRE([AC_PROG_LD])dnl AC_REQUIRE([AC_PROG_LD_RELOAD_FLAG])dnl AC_REQUIRE([AC_PROG_NM])dnl AC_REQUIRE([AC_PROG_LN_S])dnl AC_REQUIRE([AC_DEPLIBS_CHECK_METHOD])dnl AC_REQUIRE([AC_OBJEXT])dnl AC_REQUIRE([AC_EXEEXT])dnl dnl _LT_AC_PROG_ECHO_BACKSLASH # Only perform the check for file, if the check method requires it case $deplibs_check_method in file_magic*) if test "$file_magic_cmd" = '$MAGIC_CMD'; then AC_PATH_MAGIC fi ;; esac AC_CHECK_TOOL(RANLIB, ranlib, :) AC_CHECK_TOOL(STRIP, strip, :) ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN], enable_dlopen=yes, enable_dlopen=no) ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL], enable_win32_dll=yes, enable_win32_dll=no) AC_ARG_ENABLE(libtool-lock, [ --disable-libtool-lock avoid locking (might break parallel builds)]) test "x$enable_libtool_lock" != xno && enable_libtool_lock=yes # Some flags need to be propagated to the compiler or linker for good # libtool support. case $host in *-*-irix6*) # Find out which ABI we are using. echo '[#]line __oline__ "configure"' > conftest.$ac_ext if AC_TRY_EVAL(ac_compile); then case `/usr/bin/file conftest.$ac_objext` in *32-bit*) LD="${LD-ld} -32" ;; *N32*) LD="${LD-ld} -n32" ;; *64-bit*) LD="${LD-ld} -64" ;; esac fi rm -rf conftest* ;; *-*-sco3.2v5*) # On SCO OpenServer 5, we need -belf to get full-featured binaries. SAVE_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -belf" AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf, [AC_LANG_SAVE AC_LANG_C AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no]) AC_LANG_RESTORE]) if test x"$lt_cv_cc_needs_belf" != x"yes"; then # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf CFLAGS="$SAVE_CFLAGS" fi ;; ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL], [*-*-cygwin* | *-*-mingw* | *-*-pw32*) AC_CHECK_TOOL(DLLTOOL, dlltool, false) AC_CHECK_TOOL(AS, as, false) AC_CHECK_TOOL(OBJDUMP, objdump, false) # recent cygwin and mingw systems supply a stub DllMain which the user # can override, but on older systems we have to supply one AC_CACHE_CHECK([if libtool should supply DllMain function], lt_cv_need_dllmain, [AC_TRY_LINK([], [extern int __attribute__((__stdcall__)) DllMain(void*, int, void*); DllMain (0, 0, 0);], [lt_cv_need_dllmain=no],[lt_cv_need_dllmain=yes])]) case $host/$CC in *-*-cygwin*/gcc*-mno-cygwin*|*-*-mingw*) # old mingw systems require "-dll" to link a DLL, while more recent ones # require "-mdll" SAVE_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -mdll" AC_CACHE_CHECK([how to link DLLs], lt_cv_cc_dll_switch, [AC_TRY_LINK([], [], [lt_cv_cc_dll_switch=-mdll],[lt_cv_cc_dll_switch=-dll])]) CFLAGS="$SAVE_CFLAGS" ;; *-*-cygwin* | *-*-pw32*) # cygwin systems need to pass --dll to the linker, and not link # crt.o which will require a WinMain@16 definition. lt_cv_cc_dll_switch="-Wl,--dll -nostartfiles" ;; esac ;; ]) esac _LT_AC_LTCONFIG_HACK ]) # _LT_AC_CHECK_DLFCN # -------------------- AC_DEFUN(_LT_AC_CHECK_DLFCN, [AC_CHECK_HEADERS(dlfcn.h) ])# _LT_AC_CHECK_DLFCN # AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE # --------------------------------- AC_DEFUN([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE], [AC_REQUIRE([AC_CANONICAL_HOST]) AC_REQUIRE([AC_PROG_NM]) AC_REQUIRE([AC_OBJEXT]) # Check for command to grab the raw symbol name followed by C symbol from nm. AC_MSG_CHECKING([command to parse $NM output]) AC_CACHE_VAL([lt_cv_sys_global_symbol_pipe], [dnl # These are sane defaults that work on at least a few old systems. # [They come from Ultrix. What could be older than Ultrix?!! ;)] # Character class describing NM global symbol codes. [symcode='[BCDEGRST]'] # Regexp to match symbols that can be accessed directly from C. [sympat='\([_A-Za-z][_A-Za-z0-9]*\)'] # Transform the above into a raw symbol and a C symbol. symxfrm='\1 \2\3 \3' # Transform an extracted symbol line into a proper C declaration lt_cv_global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'" # Transform an extracted symbol line into symbol name and symbol address lt_cv_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\) $/ {\\\"\1\\\", (lt_ptr) 0},/p' -e 's/^$symcode \([[^ ]]*\) \([[^ ]]*\)$/ {\"\2\", (lt_ptr) \&\2},/p'" # Define system-specific variables. case $host_os in aix*) [symcode='[BCDT]'] ;; cygwin* | mingw* | pw32*) [symcode='[ABCDGISTW]'] ;; hpux*) # Its linker distinguishes data from code symbols lt_cv_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^$symcode* .* \(.*\)$/extern char \1;/p'" lt_cv_global_symbol_to_c_name_address="sed -n -e 's/^: \([[^ ]]*\) $/ {\\\"\1\\\", (lt_ptr) 0},/p' -e 's/^$symcode* \([[^ ]]*\) \([[^ ]]*\)$/ {\"\2\", (lt_ptr) \&\2},/p'" ;; irix*) [symcode='[BCDEGRST]'] ;; solaris* | sysv5*) [symcode='[BDT]'] ;; sysv4) [symcode='[DFNSTU]'] ;; esac # Handle CRLF in mingw tool chain opt_cr= case $host_os in mingw*) opt_cr=`echo 'x\{0,1\}' | tr x '\015'` # option cr in regexp ;; esac # If we're using GNU nm, then use its standard symbol codes. if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then [symcode='[ABCDGISTW]'] fi # Try without a prefix undercore, then with it. for ac_symprfx in "" "_"; do # Write the raw and C identifiers. [lt_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode$symcode*\)[ ][ ]*\($ac_symprfx\)$sympat$opt_cr$/$symxfrm/p'"] # Check to see that the pipe works correctly. pipe_works=no rm -f conftest* cat > conftest.$ac_ext < $nlist) && test -s "$nlist"; then # Try sorting and uniquifying the output. if sort "$nlist" | uniq > "$nlist"T; then mv -f "$nlist"T "$nlist" else rm -f "$nlist"T fi # Make sure that we snagged all the symbols we need. if egrep ' nm_test_var$' "$nlist" >/dev/null; then if egrep ' nm_test_func$' "$nlist" >/dev/null; then cat < conftest.$ac_ext #ifdef __cplusplus extern "C" { #endif EOF # Now generate the symbol file. eval "$lt_cv_global_symbol_to_cdecl"' < "$nlist" >> conftest.$ac_ext' cat <> conftest.$ac_ext #if defined (__STDC__) && __STDC__ # define lt_ptr void * #else # define lt_ptr char * # define const #endif /* The mapping between symbol names and symbols. */ const struct { const char *name; lt_ptr address; } [lt_preloaded_symbols[] =] { EOF sed "s/^$symcode$symcode* \(.*\) \(.*\)$/ {\"\2\", (lt_ptr) \&\2},/" < "$nlist" >> conftest.$ac_ext cat <<\EOF >> conftest.$ac_ext {0, (lt_ptr) 0} }; #ifdef __cplusplus } #endif EOF # Now try linking the two files. mv conftest.$ac_objext conftstm.$ac_objext save_LIBS="$LIBS" save_CFLAGS="$CFLAGS" LIBS="conftstm.$ac_objext" CFLAGS="$CFLAGS$no_builtin_flag" if AC_TRY_EVAL(ac_link) && test -s conftest; then pipe_works=yes fi LIBS="$save_LIBS" CFLAGS="$save_CFLAGS" else echo "cannot find nm_test_func in $nlist" >&AC_FD_CC fi else echo "cannot find nm_test_var in $nlist" >&AC_FD_CC fi else echo "cannot run $lt_cv_sys_global_symbol_pipe" >&AC_FD_CC fi else echo "$progname: failed program was:" >&AC_FD_CC cat conftest.$ac_ext >&5 fi rm -f conftest* conftst* # Do not use the global_symbol_pipe unless it works. if test "$pipe_works" = yes; then break else lt_cv_sys_global_symbol_pipe= fi done ]) global_symbol_pipe="$lt_cv_sys_global_symbol_pipe" if test -z "$lt_cv_sys_global_symbol_pipe"; then global_symbol_to_cdecl= global_symbol_to_c_name_address= else global_symbol_to_cdecl="$lt_cv_global_symbol_to_cdecl" global_symbol_to_c_name_address="$lt_cv_global_symbol_to_c_name_address" fi if test -z "$global_symbol_pipe$global_symbol_to_cdec$global_symbol_to_c_name_address"; then AC_MSG_RESULT(failed) else AC_MSG_RESULT(ok) fi ]) # AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE # _LT_AC_LIBTOOL_SYS_PATH_SEPARATOR # --------------------------------- AC_DEFUN([_LT_AC_LIBTOOL_SYS_PATH_SEPARATOR], [# Find the correct PATH separator. Usually this is `:', but # DJGPP uses `;' like DOS. if test "X${PATH_SEPARATOR+set}" != Xset; then UNAME=${UNAME-`uname 2>/dev/null`} case X$UNAME in *-DOS) lt_cv_sys_path_separator=';' ;; *) lt_cv_sys_path_separator=':' ;; esac fi ])# _LT_AC_LIBTOOL_SYS_PATH_SEPARATOR # _LT_AC_PROG_ECHO_BACKSLASH # -------------------------- # Add some code to the start of the generated configure script which # will find an echo command which doesn;t interpret backslashes. AC_DEFUN([_LT_AC_PROG_ECHO_BACKSLASH], [ifdef([AC_DIVERSION_NOTICE], [AC_DIVERT_PUSH(AC_DIVERSION_NOTICE)], [AC_DIVERT_PUSH(NOTICE)]) _LT_AC_LIBTOOL_SYS_PATH_SEPARATOR # Check that we are running under the correct shell. SHELL=${CONFIG_SHELL-/bin/sh} case X$ECHO in X*--fallback-echo) # Remove one level of quotation (which was required for Make). ECHO=`echo "$ECHO" | sed 's,\\\\\[$]\\[$]0,'[$]0','` ;; esac echo=${ECHO-echo} if test "X[$]1" = X--no-reexec; then # Discard the --no-reexec flag, and continue. shift elif test "X[$]1" = X--fallback-echo; then # Avoid inline document here, it may be left over : elif test "X`($echo '\t') 2>/dev/null`" = 'X\t'; then # Yippee, $echo works! : else # Restart under the correct shell. exec $SHELL "[$]0" --no-reexec ${1+"[$]@"} fi if test "X[$]1" = X--fallback-echo; then # used as fallback echo shift cat </dev/null && echo_test_string="`eval $cmd`" && (test "X$echo_test_string" = "X$echo_test_string") 2>/dev/null then break fi done fi if test "X`($echo '\t') 2>/dev/null`" = 'X\t' && echo_testing_string=`($echo "$echo_test_string") 2>/dev/null` && test "X$echo_testing_string" = "X$echo_test_string"; then : else # The Solaris, AIX, and Digital Unix default echo programs unquote # backslashes. This makes it impossible to quote backslashes using # echo "$something" | sed 's/\\/\\\\/g' # # So, first we look for a working echo in the user's PATH. IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}" for dir in $PATH /usr/ucb; do if (test -f $dir/echo || test -f $dir/echo$ac_exeext) && test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' && echo_testing_string=`($dir/echo "$echo_test_string") 2>/dev/null` && test "X$echo_testing_string" = "X$echo_test_string"; then echo="$dir/echo" break fi done IFS="$save_ifs" if test "X$echo" = Xecho; then # We didn't find a better echo, so look for alternatives. if test "X`(print -r '\t') 2>/dev/null`" = 'X\t' && echo_testing_string=`(print -r "$echo_test_string") 2>/dev/null` && test "X$echo_testing_string" = "X$echo_test_string"; then # This shell has a builtin print -r that does the trick. echo='print -r' elif (test -f /bin/ksh || test -f /bin/ksh$ac_exeext) && test "X$CONFIG_SHELL" != X/bin/ksh; then # If we have ksh, try running configure again with it. ORIGINAL_CONFIG_SHELL=${CONFIG_SHELL-/bin/sh} export ORIGINAL_CONFIG_SHELL CONFIG_SHELL=/bin/ksh export CONFIG_SHELL exec $CONFIG_SHELL "[$]0" --no-reexec ${1+"[$]@"} else # Try using printf. echo='printf %s\n' if test "X`($echo '\t') 2>/dev/null`" = 'X\t' && echo_testing_string=`($echo "$echo_test_string") 2>/dev/null` && test "X$echo_testing_string" = "X$echo_test_string"; then # Cool, printf works : elif echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` && test "X$echo_testing_string" = 'X\t' && echo_testing_string=`($ORIGINAL_CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` && test "X$echo_testing_string" = "X$echo_test_string"; then CONFIG_SHELL=$ORIGINAL_CONFIG_SHELL export CONFIG_SHELL SHELL="$CONFIG_SHELL" export SHELL echo="$CONFIG_SHELL [$]0 --fallback-echo" elif echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo '\t') 2>/dev/null` && test "X$echo_testing_string" = 'X\t' && echo_testing_string=`($CONFIG_SHELL "[$]0" --fallback-echo "$echo_test_string") 2>/dev/null` && test "X$echo_testing_string" = "X$echo_test_string"; then echo="$CONFIG_SHELL [$]0 --fallback-echo" else # maybe with a smaller string... prev=: for cmd in 'echo test' 'sed 2q "[$]0"' 'sed 10q "[$]0"' 'sed 20q "[$]0"' 'sed 50q "[$]0"'; do if (test "X$echo_test_string" = "X`eval $cmd`") 2>/dev/null then break fi prev="$cmd" done if test "$prev" != 'sed 50q "[$]0"'; then echo_test_string=`eval $prev` export echo_test_string exec ${ORIGINAL_CONFIG_SHELL-${CONFIG_SHELL-/bin/sh}} "[$]0" ${1+"[$]@"} else # Oops. We lost completely, so just stick with echo. echo=echo fi fi fi fi fi fi # Copy echo and quote the copy suitably for passing to libtool from # the Makefile, instead of quoting the original, which is used later. ECHO=$echo if test "X$ECHO" = "X$CONFIG_SHELL [$]0 --fallback-echo"; then ECHO="$CONFIG_SHELL \\\$\[$]0 --fallback-echo" fi AC_SUBST(ECHO) AC_DIVERT_POP ])# _LT_AC_PROG_ECHO_BACKSLASH # _LT_AC_TRY_DLOPEN_SELF (ACTION-IF-TRUE, ACTION-IF-TRUE-W-USCORE, # ACTION-IF-FALSE, ACTION-IF-CROSS-COMPILING) # ------------------------------------------------------------------ AC_DEFUN(_LT_AC_TRY_DLOPEN_SELF, [if test "$cross_compiling" = yes; then : [$4] else AC_REQUIRE([_LT_AC_CHECK_DLFCN])dnl lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext < #endif #include #ifdef RTLD_GLOBAL # define LT_DLGLOBAL RTLD_GLOBAL #else # ifdef DL_GLOBAL # define LT_DLGLOBAL DL_GLOBAL # else # define LT_DLGLOBAL 0 # endif #endif /* We may have to define LT_DLLAZY_OR_NOW in the command line if we find out it does not work in some platform. */ #ifndef LT_DLLAZY_OR_NOW # ifdef RTLD_LAZY # define LT_DLLAZY_OR_NOW RTLD_LAZY # else # ifdef DL_LAZY # define LT_DLLAZY_OR_NOW DL_LAZY # else # ifdef RTLD_NOW # define LT_DLLAZY_OR_NOW RTLD_NOW # else # ifdef DL_NOW # define LT_DLLAZY_OR_NOW DL_NOW # else # define LT_DLLAZY_OR_NOW 0 # endif # endif # endif # endif #endif #ifdef __cplusplus extern "C" void exit (int); #endif void fnord() { int i=42;} int main () { void *self = dlopen (0, LT_DLGLOBAL|LT_DLLAZY_OR_NOW); int status = $lt_dlunknown; if (self) { if (dlsym (self,"fnord")) status = $lt_dlno_uscore; else if (dlsym( self,"_fnord")) status = $lt_dlneed_uscore; /* dlclose (self); */ } exit (status); }] EOF if AC_TRY_EVAL(ac_link) && test -s conftest${ac_exeext} 2>/dev/null; then (./conftest; exit; ) 2>/dev/null lt_status=$? case x$lt_status in x$lt_dlno_uscore) $1 ;; x$lt_dlneed_uscore) $2 ;; x$lt_unknown|x*) $3 ;; esac else : # compilation failed $3 fi fi rm -fr conftest* ])# _LT_AC_TRY_DLOPEN_SELF # AC_LIBTOOL_DLOPEN_SELF # ------------------- AC_DEFUN(AC_LIBTOOL_DLOPEN_SELF, [if test "x$enable_dlopen" != xyes; then enable_dlopen=unknown enable_dlopen_self=unknown enable_dlopen_self_static=unknown else lt_cv_dlopen=no lt_cv_dlopen_libs= case $host_os in beos*) lt_cv_dlopen="load_add_on" lt_cv_dlopen_libs= lt_cv_dlopen_self=yes ;; cygwin* | mingw* | pw32*) lt_cv_dlopen="LoadLibrary" lt_cv_dlopen_libs= ;; *) AC_CHECK_FUNC([shl_load], [lt_cv_dlopen="shl_load"], [AC_CHECK_LIB([dld], [shl_load], [lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-dld"], [AC_CHECK_FUNC([dlopen], [lt_cv_dlopen="dlopen"], [AC_CHECK_LIB([dl], [dlopen], [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"], [AC_CHECK_LIB([svld], [dlopen], [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld"], [AC_CHECK_LIB([dld], [dld_link], [lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-dld"]) ]) ]) ]) ]) ]) ;; esac if test "x$lt_cv_dlopen" != xno; then enable_dlopen=yes else enable_dlopen=no fi case $lt_cv_dlopen in dlopen) save_CPPFLAGS="$CPPFLAGS" AC_REQUIRE([_LT_AC_CHECK_DLFCN])dnl test "x$ac_cv_header_dlfcn_h" = xyes && CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" save_LDFLAGS="$LDFLAGS" eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" save_LIBS="$LIBS" LIBS="$lt_cv_dlopen_libs $LIBS" AC_CACHE_CHECK([whether a program can dlopen itself], lt_cv_dlopen_self, [dnl _LT_AC_TRY_DLOPEN_SELF( lt_cv_dlopen_self=yes, lt_cv_dlopen_self=yes, lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross) ]) if test "x$lt_cv_dlopen_self" = xyes; then LDFLAGS="$LDFLAGS $link_static_flag" AC_CACHE_CHECK([whether a statically linked program can dlopen itself], lt_cv_dlopen_self_static, [dnl _LT_AC_TRY_DLOPEN_SELF( lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=no, lt_cv_dlopen_self_static=cross) ]) fi CPPFLAGS="$save_CPPFLAGS" LDFLAGS="$save_LDFLAGS" LIBS="$save_LIBS" ;; esac case $lt_cv_dlopen_self in yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;; *) enable_dlopen_self=unknown ;; esac case $lt_cv_dlopen_self_static in yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;; *) enable_dlopen_self_static=unknown ;; esac fi ])# AC_LIBTOOL_DLOPEN_SELF AC_DEFUN([_LT_AC_LTCONFIG_HACK], [AC_REQUIRE([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE])dnl # Sed substitution that helps us do robust quoting. It backslashifies # metacharacters that are still active within double-quoted strings. Xsed='sed -e s/^X//' [sed_quote_subst='s/\([\\"\\`$\\\\]\)/\\\1/g'] # Same as above, but do not quote variable references. [double_quote_subst='s/\([\\"\\`\\\\]\)/\\\1/g'] # Sed substitution to delay expansion of an escaped shell variable in a # double_quote_subst'ed string. delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g' # Constants: rm="rm -f" # Global variables: default_ofile=libtool can_build_shared=yes # All known linkers require a `.a' archive for static linking (except M$VC, # which needs '.lib'). libext=a ltmain="$ac_aux_dir/ltmain.sh" ofile="$default_ofile" with_gnu_ld="$lt_cv_prog_gnu_ld" need_locks="$enable_libtool_lock" old_CC="$CC" old_CFLAGS="$CFLAGS" # Set sane defaults for various variables test -z "$AR" && AR=ar test -z "$AR_FLAGS" && AR_FLAGS=cru test -z "$AS" && AS=as test -z "$CC" && CC=cc test -z "$DLLTOOL" && DLLTOOL=dlltool test -z "$LD" && LD=ld test -z "$LN_S" && LN_S="ln -s" test -z "$MAGIC_CMD" && MAGIC_CMD=file test -z "$NM" && NM=nm test -z "$OBJDUMP" && OBJDUMP=objdump test -z "$RANLIB" && RANLIB=: test -z "$STRIP" && STRIP=: test -z "$ac_objext" && ac_objext=o if test x"$host" != x"$build"; then ac_tool_prefix=${host_alias}- else ac_tool_prefix= fi # Transform linux* to *-*-linux-gnu*, to support old configure scripts. case $host_os in linux-gnu*) ;; linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'` esac case $host_os in aix3*) # AIX sometimes has problems with the GCC collect2 program. For some # reason, if we set the COLLECT_NAMES environment variable, the problems # vanish in a puff of smoke. if test "X${COLLECT_NAMES+set}" != Xset; then COLLECT_NAMES= export COLLECT_NAMES fi ;; esac # Determine commands to create old-style static archives. old_archive_cmds='$AR $AR_FLAGS $oldlib$oldobjs$old_deplibs' old_postinstall_cmds='chmod 644 $oldlib' old_postuninstall_cmds= if test -n "$RANLIB"; then case $host_os in openbsd*) old_postinstall_cmds="\$RANLIB -t \$oldlib~$old_postinstall_cmds" ;; *) old_postinstall_cmds="\$RANLIB \$oldlib~$old_postinstall_cmds" ;; esac old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib" fi # Allow CC to be a program name with arguments. set dummy $CC compiler="[$]2" AC_MSG_CHECKING([for objdir]) rm -f .libs 2>/dev/null mkdir .libs 2>/dev/null if test -d .libs; then objdir=.libs else # MS-DOS does not allow filenames that begin with a dot. objdir=_libs fi rmdir .libs 2>/dev/null AC_MSG_RESULT($objdir) AC_ARG_WITH(pic, [ --with-pic try to use only PIC/non-PIC objects [default=use both]], pic_mode="$withval", pic_mode=default) test -z "$pic_mode" && pic_mode=default # We assume here that the value for lt_cv_prog_cc_pic will not be cached # in isolation, and that seeing it set (from the cache) indicates that # the associated values are set (in the cache) correctly too. AC_MSG_CHECKING([for $compiler option to produce PIC]) AC_CACHE_VAL(lt_cv_prog_cc_pic, [ lt_cv_prog_cc_pic= lt_cv_prog_cc_shlib= lt_cv_prog_cc_wl= lt_cv_prog_cc_static= lt_cv_prog_cc_no_builtin= lt_cv_prog_cc_can_build_shared=$can_build_shared if test "$GCC" = yes; then lt_cv_prog_cc_wl='-Wl,' lt_cv_prog_cc_static='-static' case $host_os in aix*) # Below there is a dirty hack to force normal static linking with -ldl # The problem is because libdl dynamically linked with both libc and # libC (AIX C++ library), which obviously doesn't included in libraries # list by gcc. This cause undefined symbols with -static flags. # This hack allows C programs to be linked with "-static -ldl", but # not sure about C++ programs. lt_cv_prog_cc_static="$lt_cv_prog_cc_static ${lt_cv_prog_cc_wl}-lC" ;; amigaos*) # FIXME: we need at least 68020 code to build shared libraries, but # adding the `-m68020' flag to GCC prevents building anything better, # like `-m68040'. lt_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4' ;; beos* | irix5* | irix6* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; darwin* | rhapsody*) # PIC is the default on this platform # Common symbols not allowed in MH_DYLIB files lt_cv_prog_cc_pic='-fno-common' ;; cygwin* | mingw* | pw32* | os2*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). lt_cv_prog_cc_pic='-DDLL_EXPORT' ;; sysv4*MP*) if test -d /usr/nec; then lt_cv_prog_cc_pic=-Kconform_pic fi ;; *) lt_cv_prog_cc_pic='-fPIC' ;; esac else # PORTME Check for PIC flags for the system compiler. case $host_os in aix3* | aix4* | aix5*) lt_cv_prog_cc_wl='-Wl,' # All AIX code is PIC. if test "$host_cpu" = ia64; then # AIX 5 now supports IA64 processor lt_cv_prog_cc_static='-Bstatic' else lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp' fi ;; hpux9* | hpux10* | hpux11*) # Is there a better lt_cv_prog_cc_static that works with the bundled CC? lt_cv_prog_cc_wl='-Wl,' lt_cv_prog_cc_static="${lt_cv_prog_cc_wl}-a ${lt_cv_prog_cc_wl}archive" lt_cv_prog_cc_pic='+Z' ;; irix5* | irix6*) lt_cv_prog_cc_wl='-Wl,' lt_cv_prog_cc_static='-non_shared' # PIC (with -KPIC) is the default. ;; cygwin* | mingw* | pw32* | os2*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). lt_cv_prog_cc_pic='-DDLL_EXPORT' ;; newsos6) lt_cv_prog_cc_pic='-KPIC' lt_cv_prog_cc_static='-Bstatic' ;; osf3* | osf4* | osf5*) # All OSF/1 code is PIC. lt_cv_prog_cc_wl='-Wl,' lt_cv_prog_cc_static='-non_shared' ;; sco3.2v5*) lt_cv_prog_cc_pic='-Kpic' lt_cv_prog_cc_static='-dn' lt_cv_prog_cc_shlib='-belf' ;; solaris*) lt_cv_prog_cc_pic='-KPIC' lt_cv_prog_cc_static='-Bstatic' lt_cv_prog_cc_wl='-Wl,' ;; sunos4*) lt_cv_prog_cc_pic='-PIC' lt_cv_prog_cc_static='-Bstatic' lt_cv_prog_cc_wl='-Qoption ld ' ;; sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) lt_cv_prog_cc_pic='-KPIC' lt_cv_prog_cc_static='-Bstatic' if test "x$host_vendor" = xsni; then lt_cv_prog_cc_wl='-LD' else lt_cv_prog_cc_wl='-Wl,' fi ;; uts4*) lt_cv_prog_cc_pic='-pic' lt_cv_prog_cc_static='-Bstatic' ;; sysv4*MP*) if test -d /usr/nec ;then lt_cv_prog_cc_pic='-Kconform_pic' lt_cv_prog_cc_static='-Bstatic' fi ;; *) lt_cv_prog_cc_can_build_shared=no ;; esac fi ]) if test -z "$lt_cv_prog_cc_pic"; then AC_MSG_RESULT([none]) else AC_MSG_RESULT([$lt_cv_prog_cc_pic]) # Check to make sure the pic_flag actually works. AC_MSG_CHECKING([if $compiler PIC flag $lt_cv_prog_cc_pic works]) AC_CACHE_VAL(lt_cv_prog_cc_pic_works, [dnl save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS $lt_cv_prog_cc_pic -DPIC" AC_TRY_COMPILE([], [], [dnl case $host_os in hpux9* | hpux10* | hpux11*) # On HP-UX, both CC and GCC only warn that PIC is supported... then # they create non-PIC objects. So, if there were any warnings, we # assume that PIC is not supported. if test -s conftest.err; then lt_cv_prog_cc_pic_works=no else lt_cv_prog_cc_pic_works=yes fi ;; *) lt_cv_prog_cc_pic_works=yes ;; esac ], [dnl lt_cv_prog_cc_pic_works=no ]) CFLAGS="$save_CFLAGS" ]) if test "X$lt_cv_prog_cc_pic_works" = Xno; then lt_cv_prog_cc_pic= lt_cv_prog_cc_can_build_shared=no else lt_cv_prog_cc_pic=" $lt_cv_prog_cc_pic" fi AC_MSG_RESULT([$lt_cv_prog_cc_pic_works]) fi # Check for any special shared library compilation flags. if test -n "$lt_cv_prog_cc_shlib"; then AC_MSG_WARN([\`$CC' requires \`$lt_cv_prog_cc_shlib' to build shared libraries]) if echo "$old_CC $old_CFLAGS " | [egrep -e "[ ]$lt_cv_prog_cc_shlib[ ]"] >/dev/null; then : else AC_MSG_WARN([add \`$lt_cv_prog_cc_shlib' to the CC or CFLAGS env variable and reconfigure]) lt_cv_prog_cc_can_build_shared=no fi fi AC_MSG_CHECKING([if $compiler static flag $lt_cv_prog_cc_static works]) AC_CACHE_VAL([lt_cv_prog_cc_static_works], [dnl lt_cv_prog_cc_static_works=no save_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS $lt_cv_prog_cc_static" AC_TRY_LINK([], [], [lt_cv_prog_cc_static_works=yes]) LDFLAGS="$save_LDFLAGS" ]) # Belt *and* braces to stop my trousers falling down: test "X$lt_cv_prog_cc_static_works" = Xno && lt_cv_prog_cc_static= AC_MSG_RESULT([$lt_cv_prog_cc_static_works]) pic_flag="$lt_cv_prog_cc_pic" special_shlib_compile_flags="$lt_cv_prog_cc_shlib" wl="$lt_cv_prog_cc_wl" link_static_flag="$lt_cv_prog_cc_static" no_builtin_flag="$lt_cv_prog_cc_no_builtin" can_build_shared="$lt_cv_prog_cc_can_build_shared" # Check to see if options -o and -c are simultaneously supported by compiler AC_MSG_CHECKING([if $compiler supports -c -o file.$ac_objext]) AC_CACHE_VAL([lt_cv_compiler_c_o], [ $rm -r conftest 2>/dev/null mkdir conftest cd conftest echo "int some_variable = 0;" > conftest.$ac_ext mkdir out # According to Tom Tromey, Ian Lance Taylor reported there are C compilers # that will create temporary files in the current directory regardless of # the output directory. Thus, making CWD read-only will cause this test # to fail, enabling locking or at least warning the user not to do parallel # builds. chmod -w . save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -o out/conftest2.$ac_objext" compiler_c_o=no if { (eval echo configure:__oline__: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>out/conftest.err; } && test -s out/conftest2.$ac_objext; then # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings if test -s out/conftest.err; then lt_cv_compiler_c_o=no else lt_cv_compiler_c_o=yes fi else # Append any errors to the config.log. cat out/conftest.err 1>&AC_FD_CC lt_cv_compiler_c_o=no fi CFLAGS="$save_CFLAGS" chmod u+w . $rm conftest* out/* rmdir out cd .. rmdir conftest $rm -r conftest 2>/dev/null ]) compiler_c_o=$lt_cv_compiler_c_o AC_MSG_RESULT([$compiler_c_o]) if test x"$compiler_c_o" = x"yes"; then # Check to see if we can write to a .lo AC_MSG_CHECKING([if $compiler supports -c -o file.lo]) AC_CACHE_VAL([lt_cv_compiler_o_lo], [ lt_cv_compiler_o_lo=no save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -c -o conftest.lo" save_objext="$ac_objext" ac_objext=lo AC_TRY_COMPILE([], [int some_variable = 0;], [dnl # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings if test -s conftest.err; then lt_cv_compiler_o_lo=no else lt_cv_compiler_o_lo=yes fi ]) ac_objext="$save_objext" CFLAGS="$save_CFLAGS" ]) compiler_o_lo=$lt_cv_compiler_o_lo AC_MSG_RESULT([$compiler_o_lo]) else compiler_o_lo=no fi # Check to see if we can do hard links to lock some files if needed hard_links="nottested" if test "$compiler_c_o" = no && test "$need_locks" != no; then # do not overwrite the value of need_locks provided by the user AC_MSG_CHECKING([if we can lock with hard links]) hard_links=yes $rm conftest* ln conftest.a conftest.b 2>/dev/null && hard_links=no touch conftest.a ln conftest.a conftest.b 2>&5 || hard_links=no ln conftest.a conftest.b 2>/dev/null && hard_links=no AC_MSG_RESULT([$hard_links]) if test "$hard_links" = no; then AC_MSG_WARN([\`$CC' does not support \`-c -o', so \`make -j' may be unsafe]) need_locks=warn fi else need_locks=no fi if test "$GCC" = yes; then # Check to see if options -fno-rtti -fno-exceptions are supported by compiler AC_MSG_CHECKING([if $compiler supports -fno-rtti -fno-exceptions]) echo "int some_variable = 0;" > conftest.$ac_ext save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -fno-rtti -fno-exceptions -c conftest.$ac_ext" compiler_rtti_exceptions=no AC_TRY_COMPILE([], [int some_variable = 0;], [dnl # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings if test -s conftest.err; then compiler_rtti_exceptions=no else compiler_rtti_exceptions=yes fi ]) CFLAGS="$save_CFLAGS" AC_MSG_RESULT([$compiler_rtti_exceptions]) if test "$compiler_rtti_exceptions" = "yes"; then no_builtin_flag=' -fno-builtin -fno-rtti -fno-exceptions' else no_builtin_flag=' -fno-builtin' fi fi # See if the linker supports building shared libraries. AC_MSG_CHECKING([whether the linker ($LD) supports shared libraries]) allow_undefined_flag= no_undefined_flag= need_lib_prefix=unknown need_version=unknown # when you set need_version to no, make sure it does not cause -set_version # flags to be left without arguments archive_cmds= archive_expsym_cmds= old_archive_from_new_cmds= old_archive_from_expsyms_cmds= export_dynamic_flag_spec= whole_archive_flag_spec= thread_safe_flag_spec= hardcode_into_libs=no hardcode_libdir_flag_spec= hardcode_libdir_separator= hardcode_direct=no hardcode_minus_L=no hardcode_shlibpath_var=unsupported runpath_var= link_all_deplibs=unknown always_export_symbols=no export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | sed '\''s/.* //'\'' | sort | uniq > $export_symbols' # include_expsyms should be a list of space-separated symbols to be *always* # included in the symbol list include_expsyms= # exclude_expsyms can be an egrep regular expression of symbols to exclude # it will be wrapped by ` (' and `)$', so one must not match beginning or # end of line. Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc', # as well as any symbol that contains `d'. exclude_expsyms="_GLOBAL_OFFSET_TABLE_" # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out # platforms (ab)use it in PIC code, but their linkers get confused if # the symbol is explicitly referenced. Since portable code cannot # rely on this symbol name, it's probably fine to never include it in # preloaded symbol tables. extract_expsyms_cmds= case $host_os in cygwin* | mingw* | pw32*) # FIXME: the MSVC++ port hasn't been tested in a loooong time # When not using gcc, we currently assume that we are using # Microsoft Visual C++. if test "$GCC" != yes; then with_gnu_ld=no fi ;; openbsd*) with_gnu_ld=no ;; esac ld_shlibs=yes if test "$with_gnu_ld" = yes; then # If archive_cmds runs LD, not CC, wlarc should be empty wlarc='${wl}' # See if GNU ld supports shared libraries. case $host_os in aix3* | aix4* | aix5*) # On AIX, the GNU linker is very broken # Note:Check GNU linker on AIX 5-IA64 when/if it becomes available. ld_shlibs=no cat <&2 *** Warning: the GNU linker, at least up to release 2.9.1, is reported *** to be unable to reliably create shared libraries on AIX. *** Therefore, libtool is disabling shared libraries support. If you *** really care for shared libraries, you may want to modify your PATH *** so that a non-GNU linker is found, and then restart. EOF ;; amigaos*) archive_cmds='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes # Samuel A. Falvo II reports # that the semantics of dynamic libraries on AmigaOS, at least up # to version 4, is to share data among multiple programs linked # with the same dynamic library. Since this doesn't match the # behavior of shared libraries on other platforms, we can use # them. ld_shlibs=no ;; beos*) if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then allow_undefined_flag=unsupported # Joseph Beckenbach says some releases of gcc # support --undefined. This deserves some investigation. FIXME archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' else ld_shlibs=no fi ;; cygwin* | mingw* | pw32*) # hardcode_libdir_flag_spec is actually meaningless, as there is # no search path for DLLs. hardcode_libdir_flag_spec='-L$libdir' allow_undefined_flag=unsupported always_export_symbols=yes extract_expsyms_cmds='test -f $output_objdir/impgen.c || \ sed -e "/^# \/\* impgen\.c starts here \*\//,/^# \/\* impgen.c ends here \*\// { s/^# //;s/^# *$//; p; }" -e d < $''0 > $output_objdir/impgen.c~ test -f $output_objdir/impgen.exe || (cd $output_objdir && \ if test "x$HOST_CC" != "x" ; then $HOST_CC -o impgen impgen.c ; \ else $CC -o impgen impgen.c ; fi)~ $output_objdir/impgen $dir/$soroot > $output_objdir/$soname-def' old_archive_from_expsyms_cmds='$DLLTOOL --as=$AS --dllname $soname --def $output_objdir/$soname-def --output-lib $output_objdir/$newlib' # cygwin and mingw dlls have different entry points and sets of symbols # to exclude. # FIXME: what about values for MSVC? dll_entry=__cygwin_dll_entry@12 dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12~ case $host_os in mingw*) # mingw values dll_entry=_DllMainCRTStartup@12 dll_exclude_symbols=DllMain@12,DllMainCRTStartup@12,DllEntryPoint@12~ ;; esac # mingw and cygwin differ, and it's simplest to just exclude the union # of the two symbol sets. dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12,DllMainCRTStartup@12,DllEntryPoint@12 # recent cygwin and mingw systems supply a stub DllMain which the user # can override, but on older systems we have to supply one (in ltdll.c) if test "x$lt_cv_need_dllmain" = "xyes"; then ltdll_obj='$output_objdir/$soname-ltdll.'"$ac_objext " ltdll_cmds='test -f $output_objdir/$soname-ltdll.c || sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $''0 > $output_objdir/$soname-ltdll.c~ test -f $output_objdir/$soname-ltdll.$ac_objext || (cd $output_objdir && $CC -c $soname-ltdll.c)~' else ltdll_obj= ltdll_cmds= fi # Extract the symbol export list from an `--export-all' def file, # then regenerate the def file from the symbol export list, so that # the compiled dll only exports the symbol export list. # Be careful not to strip the DATA tag left be newer dlltools. export_symbols_cmds="$ltdll_cmds"' $DLLTOOL --export-all --exclude-symbols '$dll_exclude_symbols' --output-def $output_objdir/$soname-def '$ltdll_obj'$libobjs $convenience~ [sed -e "1,/EXPORTS/d" -e "s/ @ [0-9]*//" -e "s/ *;.*$//"] < $output_objdir/$soname-def > $export_symbols' # If the export-symbols file already is a .def file (1st line # is EXPORTS), use it as is. # If DATA tags from a recent dlltool are present, honour them! archive_expsym_cmds='if test "x`head -1 $export_symbols`" = xEXPORTS; then cp $export_symbols $output_objdir/$soname-def; else echo EXPORTS > $output_objdir/$soname-def; _lt_hint=1; cat $export_symbols | while read symbol; do set dummy \$symbol; case \[$]# in 2) echo " \[$]2 @ \$_lt_hint ; " >> $output_objdir/$soname-def;; *) echo " \[$]2 @ \$_lt_hint \[$]3 ; " >> $output_objdir/$soname-def;; esac; _lt_hint=`expr 1 + \$_lt_hint`; done; fi~ '"$ltdll_cmds"' $CC -Wl,--base-file,$output_objdir/$soname-base '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags~ $DLLTOOL --as=$AS --dllname $soname --exclude-symbols '$dll_exclude_symbols' --def $output_objdir/$soname-def --base-file $output_objdir/$soname-base --output-exp $output_objdir/$soname-exp~ $CC -Wl,--base-file,$output_objdir/$soname-base $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags~ $DLLTOOL --as=$AS --dllname $soname --exclude-symbols '$dll_exclude_symbols' --def $output_objdir/$soname-def --base-file $output_objdir/$soname-base --output-exp $output_objdir/$soname-exp --output-lib $output_objdir/$libname.dll.a~ $CC $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags' ;; netbsd*) if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib' wlarc= else archive_cmds='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' archive_expsym_cmds='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' fi ;; solaris* | sysv5*) if $LD -v 2>&1 | egrep 'BFD 2\.8' > /dev/null; then ld_shlibs=no cat <&2 *** Warning: The releases 2.8.* of the GNU linker cannot reliably *** create shared libraries on Solaris systems. Therefore, libtool *** is disabling shared libraries support. We urge you to upgrade GNU *** binutils to release 2.9.1 or newer. Another option is to modify *** your PATH or compiler configuration so that the native linker is *** used, and then restart. EOF elif $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' else ld_shlibs=no fi ;; sunos4*) archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags' wlarc= hardcode_direct=yes hardcode_shlibpath_var=no ;; *) if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' else ld_shlibs=no fi ;; esac if test "$ld_shlibs" = yes; then runpath_var=LD_RUN_PATH hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir' export_dynamic_flag_spec='${wl}--export-dynamic' case $host_os in cygwin* | mingw* | pw32*) # dlltool doesn't understand --whole-archive et. al. whole_archive_flag_spec= ;; *) # ancient GNU ld didn't support --whole-archive et. al. if $LD --help 2>&1 | egrep 'no-whole-archive' > /dev/null; then whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' else whole_archive_flag_spec= fi ;; esac fi else # PORTME fill in a description of your system's linker (not GNU ld) case $host_os in aix3*) allow_undefined_flag=unsupported always_export_symbols=yes archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname' # Note: this linker hardcodes the directories in LIBPATH if there # are no directories specified by -L. hardcode_minus_L=yes if test "$GCC" = yes && test -z "$link_static_flag"; then # Neither direct hardcoding nor static linking is supported with a # broken collect2. hardcode_direct=unsupported fi ;; aix4* | aix5*) if test "$host_cpu" = ia64; then # On IA64, the linker does run time linking by default, so we don't # have to do anything special. aix_use_runtimelinking=no exp_sym_flag='-Bexport' no_entry_flag="" else aix_use_runtimelinking=no # Test if we are trying to use run time linking or normal # AIX style linking. 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Setting hardcode_minus_L # to unsupported forces relinking hardcode_minus_L=yes hardcode_libdir_flag_spec='-L$libdir' hardcode_libdir_separator= fi esac shared_flag='-shared' else # not using gcc if test "$host_cpu" = ia64; then shared_flag='${wl}-G' else if test "$aix_use_runtimelinking" = yes; then shared_flag='${wl}-G' else shared_flag='${wl}-bM:SRE' fi fi fi # It seems that -bexpall can do strange things, so it is better to # generate a list of symbols to export. always_export_symbols=yes if test "$aix_use_runtimelinking" = yes; then # Warning - without using the other runtime loading flags (-brtl), # -berok will link without error, but may produce a broken library. allow_undefined_flag='-berok' hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib' archive_expsym_cmds="\$CC"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags `if test "x${allow_undefined_flag}" != "x"; then echo "${wl}${allow_undefined_flag}"; else :; fi` '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols $shared_flag" else if test "$host_cpu" = ia64; then hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib' allow_undefined_flag="-z nodefs" archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname ${wl}-h$soname $libobjs $deplibs $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols" else hardcode_libdir_flag_spec='${wl}-bnolibpath ${wl}-blibpath:$libdir:/usr/lib:/lib' # Warning - without using the other run time loading flags, # -berok will link without error, but may produce a broken library. allow_undefined_flag='${wl}-berok' # This is a bit strange, but is similar to how AIX traditionally builds # it's shared libraries. archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols"' ~$AR -crlo $objdir/$libname$release.a $objdir/$soname' fi fi ;; amigaos*) archive_cmds='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' hardcode_libdir_flag_spec='-L$libdir' hardcode_minus_L=yes # see comment about different semantics on the GNU ld section ld_shlibs=no ;; cygwin* | mingw* | pw32*) # When not using gcc, we currently assume that we are using # Microsoft Visual C++. # hardcode_libdir_flag_spec is actually meaningless, as there is # no search path for DLLs. hardcode_libdir_flag_spec=' ' allow_undefined_flag=unsupported # Tell ltmain to make .lib files, not .a files. libext=lib # FIXME: Setting linknames here is a bad hack. archive_cmds='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames=' # The linker will automatically build a .lib file if we build a DLL. old_archive_from_new_cmds='true' # FIXME: Should let the user specify the lib program. old_archive_cmds='lib /OUT:$oldlib$oldobjs$old_deplibs' fix_srcfile_path='`cygpath -w "$srcfile"`' ;; darwin* | rhapsody*) case "$host_os" in rhapsody* | darwin1.[[012]]) allow_undefined_flag='-undefined suppress' ;; *) # Darwin 1.3 on allow_undefined_flag='-flat_namespace -undefined suppress' ;; esac # FIXME: Relying on posixy $() will cause problems for # cross-compilation, but unfortunately the echo tests do not # yet detect zsh echo's removal of \ escapes. archive_cmds='$nonopt $(test "x$module" = xyes && echo -bundle || echo -dynamiclib) $allow_undefined_flag -o $lib $libobjs $deplibs$linker_flags -install_name $rpath/$soname $verstring' # We need to add '_' to the symbols in $export_symbols first #archive_expsym_cmds="$archive_cmds"' && strip -s $export_symbols' hardcode_direct=yes hardcode_shlibpath_var=no whole_archive_flag_spec='-all_load $convenience' ;; freebsd1*) ld_shlibs=no ;; # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor # support. 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*) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' ;; esac hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' hardcode_libdir_separator=: hardcode_direct=yes hardcode_minus_L=yes # Not in the search PATH, but as the default # location of the library. export_dynamic_flag_spec='${wl}-E' ;; irix5* | irix6*) if test "$GCC" = yes; then archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${output_objdir}/so_locations -o $lib' else archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${output_objdir}/so_locations -o $lib' fi hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' hardcode_libdir_separator=: link_all_deplibs=yes ;; netbsd*) if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out else archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF fi hardcode_libdir_flag_spec='-R$libdir' hardcode_direct=yes hardcode_shlibpath_var=no ;; 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Don't remove nor modify the # starting and closing comments # /* impgen.c starts here */ # /* Copyright (C) 1999-2000 Free Software Foundation, Inc. # # This file is part of GNU libtool. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # */ # # #include /* for printf() */ # #include /* for open(), lseek(), read() */ # #include /* for O_RDONLY, O_BINARY */ # #include /* for strdup() */ # # /* O_BINARY isn't required (or even defined sometimes) under Unix */ # #ifndef O_BINARY # #define O_BINARY 0 # #endif # # static unsigned int # pe_get16 (fd, offset) # int fd; # int offset; # { # unsigned char b[2]; # lseek (fd, offset, SEEK_SET); # read (fd, b, 2); # return b[0] + (b[1]<<8); # } # # static unsigned int # pe_get32 (fd, offset) # int fd; # int offset; # { # unsigned char b[4]; # lseek (fd, offset, SEEK_SET); # read (fd, b, 4); # return b[0] + (b[1]<<8) + (b[2]<<16) + (b[3]<<24); # } # # static unsigned int # pe_as32 (ptr) # void *ptr; # { # unsigned char *b = ptr; # return b[0] + (b[1]<<8) + (b[2]<<16) + (b[3]<<24); # } # # int # main (argc, argv) # int argc; # char *argv[]; # { # int dll; # unsigned long pe_header_offset, opthdr_ofs, num_entries, i; # unsigned long export_rva, export_size, nsections, secptr, expptr; # unsigned long name_rvas, nexp; # unsigned char *expdata, *erva; # char *filename, *dll_name; # # filename = argv[1]; # # dll = open(filename, O_RDONLY|O_BINARY); # if (dll < 1) # return 1; # # dll_name = filename; # # for (i=0; filename[i]; i++) # if (filename[i] == '/' || filename[i] == '\\' || filename[i] == ':') # dll_name = filename + i +1; # # pe_header_offset = pe_get32 (dll, 0x3c); # opthdr_ofs = pe_header_offset + 4 + 20; # num_entries = pe_get32 (dll, opthdr_ofs + 92); # # if (num_entries < 1) /* no exports */ # return 1; # # export_rva = pe_get32 (dll, opthdr_ofs + 96); # export_size = pe_get32 (dll, opthdr_ofs + 100); # nsections = pe_get16 (dll, pe_header_offset + 4 +2); # secptr = (pe_header_offset + 4 + 20 + # pe_get16 (dll, pe_header_offset + 4 + 16)); # # expptr = 0; # for (i = 0; i < nsections; i++) # { # char sname[8]; # unsigned long secptr1 = secptr + 40 * i; # unsigned long vaddr = pe_get32 (dll, secptr1 + 12); # unsigned long vsize = pe_get32 (dll, secptr1 + 16); # unsigned long fptr = pe_get32 (dll, secptr1 + 20); # lseek(dll, secptr1, SEEK_SET); # read(dll, sname, 8); # if (vaddr <= export_rva && vaddr+vsize > export_rva) # { # expptr = fptr + (export_rva - vaddr); # if (export_rva + export_size > vaddr + vsize) # export_size = vsize - (export_rva - vaddr); # break; # } # } # # expdata = (unsigned char*)malloc(export_size); # lseek (dll, expptr, SEEK_SET); # read (dll, expdata, export_size); # erva = expdata - export_rva; # # nexp = pe_as32 (expdata+24); # name_rvas = pe_as32 (expdata+32); # # printf ("EXPORTS\n"); # for (i = 0; i> "${ofile}T" || (rm -f "${ofile}T"; exit 1) mv -f "${ofile}T" "$ofile" || \ (rm -f "$ofile" && cp "${ofile}T" "$ofile" && rm -f "${ofile}T") chmod +x "$ofile" fi ])# _LT_AC_LTCONFIG_HACK # AC_LIBTOOL_DLOPEN - enable checks for dlopen support AC_DEFUN([AC_LIBTOOL_DLOPEN], [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])]) # AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's AC_DEFUN([AC_LIBTOOL_WIN32_DLL], [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])]) # AC_ENABLE_SHARED - implement the --enable-shared flag # Usage: AC_ENABLE_SHARED[(DEFAULT)] # Where DEFAULT is either `yes' or `no'. 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