# aclocal.m4 generated automatically by aclocal 1.4a # Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000 # 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 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_HEADER_GETVAL(NAME,FILE) dnl ---------------------------- 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 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 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 "$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]) ]) 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 "$arflags"; then AR="$AR $arflags" fi fi ]) dnl GMP_PROG_M4 dnl ----------- dnl dnl Find a working m4, either in $PATH or likely locations, and setup $M4 dnl and an AC_SUBST accordingly. If $M4 is already set then it's a user dnl choice and is accepted with no checks. GMP_PROG_M4 is like dnl AC_PATH_PROG or AC_CHECK_PROG, but tests each m4 found to see if it's dnl good enough. dnl dnl See mpn/asm-defs.m4 for details on the known bad m4s. AC_DEFUN(GMP_PROG_M4, [AC_CACHE_CHECK([for suitable m4], gmp_cv_prog_m4, [if test -n "$M4"; then gmp_cv_prog_m4="$M4" else cat >conftest.m4 <<\EOF dnl must protect this against being expanded during autoconf m4! [define(dollarhash,``$][#'')dnl ifelse(dollarhash(x),1,`define(t1,Y)', ``bad: $][# not supported (SunOS /usr/bin/m4) '')dnl ifelse(eval(89),89,`define(t2,Y)', `bad: eval() doesnt support 8 or 9 in a constant (OpenBSD 2.6 m4) ')dnl ifelse(t1`'t2,YY,`good ')dnl] EOF dnl ' <- balance the quotes for emacs sh-mode echo "trying m4" >&AC_FD_CC gmp_tmp_val=`(m4 conftest.m4) 2>&AC_FD_CC` echo "$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_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 "$nmflags"; then NM="$NM $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_MARCH_PENTIUMPRO(CCBASE,CC,[ACTIONS-IF-GOOD][,ACTIONS-IF-BAD]) dnl ---------------------------------------------------------------------- dnl dnl mpz/powm.c swox cvs rev 1.4 tickled a bug in gcc 2.95.2 when dnl -march=pentiumpro was used. The problem appears to be fixed in 2.96, dnl so that option is used only on 2.96 and up. dnl dnl The bug was incorrect code generated for a simple ABSIZ(z) expression dnl in mpz_redc(), some registers being clobbered near a cmov. There's no dnl obvious reason for this, and there's many similar or identical dnl expressions throughout the library, so it seems wisest to disable dnl -march=pentiumpro until 2.96. dnl dnl This macro is used only once, after finalizing a choice of CC, so it's dnl ok to cache the result. AC_DEFUN(GMP_GCC_MARCH_PENTIUMPRO, [AC_CACHE_CHECK([whether $1 -march=pentiumpro is good], gmp_cv_gcc_march_pentiumpro, [if test $1 = gcc; then major=`($2 --version | sed -n ['s/^\([0-9][0-9]*\).*/\1/p']) 2>&AC_FD_CC` minor=`($2 --version | sed -n ['s/^[0-9][0-9]*\.\([0-9][0-9]*\).*/\1/p']) 2>&AC_FD_CC` echo "$2 major '$major', minor '$minor'" >&AC_FD_CC GMP_COMPARE_GE($major, 2, $minor, 96) gmp_cv_gcc_march_pentiumpro="$gmp_compare_ge" else gmp_cv_gcc_march_pentiumpro=not-applicable fi]) if test $gmp_cv_gcc_march_pentiumpro = yes; then ifelse([$3],,:,[$3]) else ifelse([$4],,:,[$4]) fi ]) dnl GMP_INIT([M4-DEF-FILE]) dnl ----------------------- dnl Initializations for GMP config.m4 generation. 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 # 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="../$srcdir" ;; esac echo ["dnl CONFIG_TOP_SRCDIR is a path from the mpn builddir to the top srcdir"] >>$gmp_tmpconfigm4 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 ["dnl $gmp_configm4. Generated automatically by configure."] > $gmp_configm4 if test -f $gmp_tmpconfigm4; then echo ["changequote(<,>)dnl"] >> $gmp_configm4 echo ["ifdef(<__CONFIG_M4_INCLUDED__>,,<"] >> $gmp_configm4 cat $gmp_tmpconfigm4 >> $gmp_configm4 echo [">)"] >> $gmp_configm4 echo ["changequote(\`,')dnl"] >> $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 $host in *-*-hpux*) gmp_cv_asm_label_suffix= ;; *) gmp_cv_asm_label_suffix=: ;; esac ]) echo ["define(, <\$][1$gmp_cv_asm_label_suffix>)"] >> $gmp_tmpconfigm4 ]) dnl GMP_ASM_UNDERSCORE([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]) dnl ------------------------------------------------------------- dnl dnl Determine whether global symbols need to be prefixed with an underscore. dnl A test program is linked to an assembler module with or without an dnl underscore to see which works. dnl dnl This method should be more reliable than grepping a .o file or using dnl nm, since it corresponds to what a real program is going to do. Note dnl in particular that grepping doesn't work with SunOS 4 native grep since dnl that grep seems to have trouble with '\0's in files. AC_DEFUN(GMP_ASM_UNDERSCORE, [AC_REQUIRE([GMP_ASM_TEXT]) AC_REQUIRE([GMP_ASM_GLOBL]) AC_REQUIRE([GMP_ASM_LABEL_SUFFIX]) AC_CACHE_CHECK([if globals are prefixed by underscore], gmp_cv_asm_underscore, [cat >conftes1.c <conftes2.s <>conftes2.s <,<$gmp_cv_asm_align_log>)"]) if test "$gmp_cv_asm_align_log" = "yes"; then ifelse([$1],,:,[$1]) else ifelse([$2],,:,[$2]) fi ]) 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 dnl ELF uses .section .rodata, possibly with a ,"a" though in gas the flags dnl default from the section name. dnl dnl COFF looks like it might use .section .rdata, possibly with ,"dr" dnl though again gas uses defaults based on the section name. dnl dnl a.out has only text, data and bss. dnl dnl FIXME: It's not quite clear how to tell the difference between ELF and dnl COFF, so for the moment RODATA is a synonym for DATA on CPUs with split dnl code and data caching, or TEXT elsewhere. dnl dnl i386 and i486 don't have caching but are treated the same as newer x86s dnl since i386 in particular is used to mean generic x86. AC_DEFUN(GMP_ASM_RODATA, [AC_REQUIRE([GMP_ASM_TEXT]) AC_REQUIRE([GMP_ASM_DATA]) AC_CACHE_CHECK([how to switch to read-only data section], gmp_cv_asm_rodata, [case $host in X86_PATTERN) gmp_cv_asm_rodata="$gmp_cv_asm_data" ;; *) gmp_cv_asm_rodata="$gmp_cv_asm_text" ;; esac ]) echo ["define(, <$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>)"] >> $gmp_tmpconfigm4 ]) dnl GMP_ASM_TYPE dnl ------------ dnl Can we say ".type", and how? dnl dnl For ELF systems .type is important, and failing to have it can lead to dnl strange problems. For instance on i386 GNU/Linux if a program refers dnl to a function in a shared library that doesn't have .type, then calls dnl to it either from the program or the library get immediate segvs, dnl apparently due to an uninitialized program PLT entry. If the only dnl references are from within the library then calls from there work fine dnl (and that can hide the problem). AC_DEFUN(GMP_ASM_TYPE, [AC_CACHE_CHECK([how the .type assembly directive should be used], gmp_cv_asm_type, [for gmp_tmp_prefix in @ \# %; do GMP_TRY_ASSEMBLE([ .type sym,${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 ]) 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 dnl wrongly assembles it as "0f 6f c1" (that being the reverse "movq %mm1, dnl %mm0"). It seems more trouble than it's worth to work around this in dnl 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 bug where reg->reg movqs 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_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_POWERPC_R_REGISTERS dnl --------------------------- 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_SIZES dnl ----------- dnl dnl Determine various sizes needed by GMP at preprocessing time (for use in dnl #if conditionals), if they aren't already provided by gmp-mparam.h. dnl $gmp_mparam_source is the selected gmp-mparam.h. dnl dnl These sizes need to be known at pre-processing time, for use in #if dnl conditionals. Most preprocessors won't accept sizeof(), GNU cpp dnl doesn't for instance. dnl dnl When assembler code depends on particular sizes it's probably best to dnl put explicit #defines in gmp-mparam.h. That way if strange compiler dnl options change the size of some type then the mismatch will be detected dnl by t-constants.c rather than only by the code crashing or giving wrong dnl results. AC_DEFUN(GMP_C_SIZES, [GMP_C_SIZES_ONE(BITS_PER_LONGINT, long) GMP_C_SIZES_ONE(BITS_PER_INT, int) GMP_C_SIZES_ONE(BITS_PER_SHORTINT, short) GMP_C_SIZES_ONE(BITS_PER_MP_LIMB, mp_limb_t, [#include #include "gmp.h"]) if grep "^#define BYTES_PER_MP_LIMB" $gmp_mparam_source >/dev/null; then : ; else AC_DEFINE(BYTES_PER_MP_LIMB, [(BITS_PER_MP_LIMB / 8)], [bytes per mp_limb_t, if not in gmp-mparam.h]) fi if grep "^#define BITS_PER_CHAR" $gmp_mparam_source >/dev/null; then : ; else AC_DEFINE(BITS_PER_CHAR, 8, [bits per char, if not in gmp-mparam.h]) fi ]) dnl Called: GMP_C_SIZES_ONE(bits,type,includes) AC_DEFUN(GMP_C_SIZES_ONE, [if grep "^#define $1" $gmp_mparam_source >/dev/null; then : ; else AC_CHECK_SIZEOF($2,,[$3]) AC_DEFINE_UNQUOTED($1, (8 * $ac_cv_sizeof_$2), [bits per $2, if not in gmp-mparam.h]) fi ]) dnl GMP_FUNC_ALLOCA dnl --------------- dnl dnl Determine whether "alloca" is available. This is AC_FUNC_ALLOCA from dnl autoconf, but changed so it doesn't use alloca.c if alloca() isn't dnl available, and also to use gmp-impl.h for the conditionals detecting dnl compiler builtin alloca's. AC_DEFUN(GMP_FUNC_ALLOCA, [AC_REQUIRE([GMP_HEADER_ALLOCA]) AC_CACHE_CHECK([for alloca (via gmp-impl.h)], gmp_cv_func_alloca, [AC_TRY_LINK( [#define GMP_FUNC_ALLOCA_TEST 1 #include "gmp.h" #include "$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 $gmp_cv_header_alloca = yes; then AC_DEFINE(HAVE_ALLOCA_H, 1, [Define if you have and it should be used (not on Ultrix).]) fi ]) # serial 46 AC_PROG_LIBTOOL AC_DEFUN([AC_PROG_LIBTOOL], [AC_REQUIRE([AC_LIBTOOL_SETUP])dnl # This can be used to rebuild libtool when needed LIBTOOL_DEPS="$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 ]) # 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([ac_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 ac_cv_global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'" # Define system-specific variables. case "$host_os" in aix*) [symcode='[BCDT]'] ;; cygwin* | mingw* | pw32*) [symcode='[ABCDGISTW]'] ;; hpux*) # Its linker distinguishes data from code symbols ac_cv_global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^. .* \(.*\)$/extern char \1;/p'" ;; irix*) [symcode='[BCDEGRST]'] ;; solaris* | sysv5*) [symcode='[BDT]'] ;; sysv4) [symcode='[DFNSTU]'] ;; esac # Handle CRLF in mingw tool chain opt_cr= case "$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. [ac_cv_sys_global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode\)[ ][ ]*\($ac_symprfx\)$sympat$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 "$ac_cv_global_symbol_to_cdecl"' < "$nlist" >> conftest.$ac_ext' cat <> conftest.$ac_ext #if defined (__STDC__) && __STDC__ # define lt_ptr_t void * #else # define lt_ptr_t char * # define const #endif /* The mapping between symbol names and symbols. */ const struct { const char *name; lt_ptr_t address; } [lt_preloaded_symbols[] =] { EOF sed 's/^. \(.*\) \(.*\)$/ {"\2", (lt_ptr_t) \&\2},/' < "$nlist" >> conftest.$ac_ext cat <<\EOF >> conftest.$ac_ext {0, (lt_ptr_t) 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 $ac_cv_sys_global_symbol_pipe" >&AC_FD_CC fi else echo "$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 ac_cv_sys_global_symbol_pipe= ac_cv_global_symbol_to_cdecl= fi done ]) global_symbol_pipe="$ac_cv_sys_global_symbol_pipe" if test -z "$ac_cv_sys_global_symbol_pipe"; then global_symbol_to_cdecl= else global_symbol_to_cdecl="$ac_cv_global_symbol_to_cdecl" fi if test -z "$global_symbol_pipe$global_symbol_to_cdecl"; then AC_MSG_RESULT(failed) else AC_MSG_RESULT(ok) fi ]) # AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE # _LT_AC_LIBTOOL_SYS_PATH_SEPARATOR # --------------------------------- AC_DEFUN([_LT_AC_LIBTOOL_SYS_PATH_SEPARATOR], [# Find the correct PATH separator. Usually this is `:', but # DJGPP uses `;' like DOS. if test "X${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$CONFIG_SHELL" != X/bin/ksh; then # If we have ksh, try running ltconfig again with it. ORIGINAL_CONFIG_SHELL=${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 AC_DEFUN([_LT_AC_LTCONFIG_HACK], [AC_REQUIRE([AC_LIBTOOL_SYS_GLOBAL_SYMBOL_PIPE]) # 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="$default_ofile" with_gnu_ld="$ac_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 old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib" old_postinstall_cmds="\$RANLIB \$oldlib~$old_postinstall_cmds" 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($objdir) AC_ARG_WITH(pic, [dnl --with-pic try to use only PIC/non-PIC objects [default=use both]], pic_mode="$withval", pic_mode=default) test -z "$pic_mode" && pic_mode=default # We assume here that the value for ac_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 $compiler option to produce PIC]) AC_CACHE_VAL(ac_cv_prog_cc_pic, [ ac_cv_prog_cc_pic= ac_cv_prog_cc_shlib= ac_cv_prog_cc_wl= ac_cv_prog_cc_static= ac_cv_prog_cc_no_builtin= ac_cv_prog_cc_can_build_shared=$can_build_shared if test "$ac_cv_prog_gcc" = yes; then ac_cv_prog_cc_wl='-Wl,' ac_cv_prog_cc_static='-static' case "$host_os" in beos* | irix5* | irix6* | osf3* | osf4* | osf5*) # PIC is the default for these OSes. ;; 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 # we not sure about C++ programs. ac_cv_prog_cc_static="$ac_cv_prog_cc_static ${ac_cv_prog_cc_wl}-lC" ;; cygwin* | mingw* | pw32* | os2*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). ac_cv_prog_cc_pic='-DDLL_EXPORT' ;; amigaos*) # FIXME: we need at least 68020 code to build shared libraries, but # adding the `-m68020' flag to GCC prevents building anything better, # like `-m68040'. ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4' ;; sysv4*MP*) if test -d /usr/nec; then ac_cv_prog_cc_pic=-Kconform_pic fi ;; *) ac_cv_prog_cc_pic='-fPIC' ;; esac else # PORTME Check for PIC flags for the system compiler. case "$host_os" in aix3* | aix4*) # All AIX code is PIC. ac_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp' ;; hpux9* | hpux10* | hpux11*) # Is there a better ac_cv_prog_cc_static that works with the bundled CC? ac_cv_prog_cc_wl='-Wl,' ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive" ac_cv_prog_cc_pic='+Z' ;; irix5* | irix6*) ac_cv_prog_cc_wl='-Wl,' ac_cv_prog_cc_static='-non_shared' # PIC (with -KPIC) is the default. ;; cygwin* | mingw* | pw32* | os2*) # This hack is so that the source file can tell whether it is being # built for inclusion in a dll (and should export symbols for example). ac_cv_prog_cc_pic='-DDLL_EXPORT' ;; osf3* | osf4* | osf5*) # All OSF/1 code is PIC. ac_cv_prog_cc_wl='-Wl,' ac_cv_prog_cc_static='-non_shared' ;; sco3.2v5*) ac_cv_prog_cc_pic='-Kpic' ac_cv_prog_cc_static='-dn' ac_cv_prog_cc_shlib='-belf' ;; solaris*) ac_cv_prog_cc_pic='-KPIC' ac_cv_prog_cc_static='-Bstatic' ac_cv_prog_cc_wl='-Wl,' ;; sunos4*) ac_cv_prog_cc_pic='-PIC' ac_cv_prog_cc_static='-Bstatic' ac_cv_prog_cc_wl='-Qoption ld ' ;; sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) ac_cv_prog_cc_pic='-KPIC' ac_cv_prog_cc_static='-Bstatic' ac_cv_prog_cc_wl='-Wl,' ;; uts4*) ac_cv_prog_cc_pic='-pic' ac_cv_prog_cc_static='-Bstatic' ;; sysv4*MP*) if test -d /usr/nec ;then ac_cv_prog_cc_pic='-Kconform_pic' ac_cv_prog_cc_static='-Bstatic' fi ;; *) ac_cv_prog_cc_can_build_shared=no ;; esac fi ]) if test -z "$ac_cv_prog_cc_pic"; then AC_MSG_RESULT([none]) else AC_MSG_RESULT([$ac_cv_prog_cc_pic]) # Check to make sure the pic_flag actually works. AC_MSG_CHECKING([if $compiler PIC flag $ac_cv_prog_cc_pic works]) AC_CACHE_VAL(ac_cv_prog_cc_pic_works, [dnl save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS $ac_cv_prog_cc_pic -DPIC" AC_TRY_COMPILE([], [], [dnl case "$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 ac_cv_prog_cc_pic_works=no else ac_cv_prog_cc_pic_works=yes fi ;; *) ac_cv_prog_cc_pic_works=yes ;; esac ], [dnl ac_cv_prog_cc_pic_works=no ]) CFLAGS="$save_CFLAGS" ]) if test "X$ac_cv_prog_cc_pic_works" = Xno; then ac_cv_prog_cc_pic= ac_cv_prog_cc_can_build_shared=no else ac_cv_prog_cc_pic=" $ac_cv_prog_cc_pic" fi AC_MSG_RESULT([$ac_cv_prog_cc_pic_works]) fi # Check for any special shared library compilation flags. if test -n "$ac_cv_prog_cc_shlib"; then AC_MSG_WARN([\`$CC' requires \`$ac_cv_prog_cc_shlib' to build shared libraries]) if echo "$old_CC $old_CFLAGS " | [egrep -e "[ ]$ac_cv_prog_cc_shlib[ ]"] >/dev/null; then : else AC_MSG_WARN([add \`$ac_cv_prog_cc_shlib' to the CC or CFLAGS env variable and reconfigure]) ac_cv_prog_cc_can_build_shared=no fi fi AC_MSG_CHECKING([if $compiler static flag $ac_cv_prog_cc_static works]) AC_CACHE_VAL([ac_cv_prog_cc_static_works], [dnl ac_cv_prog_cc_static_works=no save_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS $ac_cv_prog_cc_static" AC_TRY_LINK([], [], [ac_cv_prog_cc_static_works=yes]) LDFLAGS="$save_LDFLAGS" ]) # Belt *and* braces to stop my trousers falling down: test "X$ac_cv_prog_cc_static_works" = Xno && ac_cv_prog_cc_static= AC_MSG_RESULT([$ac_cv_prog_cc_static_works]) pic_flag="$ac_cv_prog_cc_pic" special_shlib_compile_flags="$ac_cv_prog_cc_shlib" wl="$ac_cv_prog_cc_wl" link_static_flag="$ac_cv_prog_cc_static" no_builtin_flag="$ac_cv_prog_cc_no_builtin" can_build_shared="$ac_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]) $rm -r conftest 2>/dev/null mkdir conftest cd conftest echo "int some_variable = 0;" > conftest.$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 compiler_c_o=no else compiler_c_o=yes fi else # Append any errors to the config.log. cat out/conftest.err 1>&AC_FD_CC compiler_c_o=no fi AC_MSG_RESULT([$compiler_c_o]) CFLAGS="$save_CFLAGS" chmod u+w . $rm conftest* out/* rmdir out cd .. rmdir conftest $rm -r conftest 2>/dev/null if test x"$compiler_c_o" = x"yes"; then # Check to see if we can write to a .lo AC_MSG_CHECKING([if $compiler supports -c -o file.lo]) compiler_o_lo=no save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -c -o conftest.lo" AC_TRY_COMPILE([], [int some_variable = 0;], [dnl # The compiler can only warn and ignore the option if not recognized # So say no if there are warnings if test -s conftest.err; then compiler_o_lo=no else compiler_o_lo=yes fi ]) AC_MSG_RESULT([$compiler_c_o]) CFLAGS="$save_CFLAGS" else compiler_o_lo=no fi # Check to see if we can do hard links to lock some files if needed hard_links="nottested" if test "$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 "$ac_cv_prog_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. 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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 $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then allow_undefined_flag=unsupported # Joseph Beckenbach says some releases of gcc # support --undefined. This deserves some investigation. 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Therefore, libtool *** is disabling shared libraries support. We urge you to upgrade GNU *** binutils to release 2.9.1 or newer. Another option is to modify *** your PATH or compiler configuration so that the native linker is *** used, and then restart. 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*) archive_cmds='$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='${wl}-E' ;; irix5* | irix6*) if test "$ac_cv_prog_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 $linker_flags' # ELF fi hardcode_libdir_flag_spec='${wl}-R$libdir' hardcode_direct=yes hardcode_shlibpath_var=no ;; 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esac link_all_deplibs=yes ;; sunos4*) if test "x$host_vendor" = xsequent; then # Use $CC to link under sequent, because it throws in some extra .o # files that make .init and .fini sections work. archive_cmds='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $compiler_flags' else archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' fi hardcode_libdir_flag_spec='-L$libdir' hardcode_direct=yes hardcode_minus_L=yes hardcode_shlibpath_var=no ;; sysv4) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' runpath_var='LD_RUN_PATH' hardcode_shlibpath_var=no hardcode_direct=no #Motorola manual says yes, but my tests say they lie ;; sysv4.3*) archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' hardcode_shlibpath_var=no export_dynamic_flag_spec='-Bexport' ;; sysv5*) no_undefined_flag=' -z text' # $CC -shared without GNU ld will not create a library from C++ # object files and a static libstdc++, better avoid it by now archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags' archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; 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*) shlibpath_overrides_runpath=no hardcode_into_libs=yes ;; esac ;; gnu*) version_type=linux need_lib_prefix=no need_version=no library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so${major} ${libname}.so' soname_spec='${libname}${release}.so$major' shlibpath_var=LD_LIBRARY_PATH hardcode_into_libs=yes ;; hpux9* | hpux10* | hpux11*) # Give a soname corresponding to the major version so that dld.sl refuses to # link against other versions. dynamic_linker="$host_os dld.sl" version_type=sunos need_lib_prefix=no need_version=no shlibpath_var=SHLIB_PATH shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH library_names_spec='${libname}${release}.sl$versuffix ${libname}${release}.sl$major $libname.sl' soname_spec='${libname}${release}.sl$major' # HP-UX runs *really* slowly unless shared libraries are mode 555. postinstall_cmds='chmod 555 $lib' ;; irix5* | irix6*) version_type=irix need_lib_prefix=no need_version=no soname_spec='${libname}${release}.so$major' library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major ${libname}${release}.so $libname.so' case "$host_os" in irix5*) libsuff= shlibsuff= ;; *) case "$LD" in # libtool.m4 will add one of these switches to LD *-32|*"-32 ") libsuff= shlibsuff= libmagic=32-bit;; *-n32|*"-n32 ") libsuff=32 shlibsuff=N32 libmagic=N32;; *-64|*"-64 ") libsuff=64 shlibsuff=64 libmagic=64-bit;; *) libsuff= shlibsuff= libmagic=never-match;; esac ;; esac shlibpath_var=LD_LIBRARY${shlibsuff}_PATH shlibpath_overrides_runpath=no sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}" sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}" ;; # No shared lib support for Linux oldld, aout, or coff. linux-gnuoldld* | linux-gnuaout* | linux-gnucoff*) dynamic_linker=no ;; # This must be Linux ELF. linux-gnu*) version_type=linux need_lib_prefix=no need_version=no library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' soname_spec='${libname}${release}.so$major' finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' shlibpath_var=LD_LIBRARY_PATH shlibpath_overrides_runpath=no # This implies no fast_install, which is unacceptable. # Some rework will be needed to allow for fast_install # before this can be enabled. hardcode_into_libs=yes # We used to test for /lib/ld.so.1 and disable shared libraries on # powerpc, because MkLinux only supported shared libraries with the # GNU dynamic linker. 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AC_MSG_CHECKING([if libtool supports shared libraries]) AC_MSG_RESULT([$can_build_shared]) if test "$hardcode_action" = relink; then # Fast installation is not supported enable_fast_install=no elif test "$shlibpath_overrides_runpath" = yes || test "$enable_shared" = no; then # Fast installation is not necessary enable_fast_install=needless fi variables_saved_for_relink="PATH $shlibpath_var $runpath_var" if test "$ac_cv_prog_gcc" = yes; then variables_saved_for_relink="$variables_saved_for_relink GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH" fi if test "x$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= AC_CHECK_LIB(dl, dlopen, [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl"], [AC_CHECK_FUNC(dlopen, lt_cv_dlopen="dlopen", [AC_CHECK_FUNC(shl_load, lt_cv_dlopen="shl_load", [AC_CHECK_LIB(svld, dlopen, [lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-lsvld"], [AC_CHECK_LIB(dld, shl_load, [lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-dld"]) ]) ]) ]) ]) if test "x$lt_cv_dlopen" != xno; then enable_dlopen=yes else enable_dlopen=no fi case "$lt_cv_dlopen" in dlopen) save_CPPFLAGS="$CPP_FLAGS" save_LDFLAGS="$LD_FLAGS" save_LIBS="$LIBS" AC_CHECK_HEADER(dlfcn.h, CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H") eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" LIBS="$lt_cv_dlopen_libs $LIBS" AC_MSG_CHECKING([whether a program can dlopen itself]) AC_TRY_RUN([ #if HAVE_DLFCN_H #include #endif #include #ifdef RTLD_GLOBAL # define LTDL_GLOBAL RTLD_GLOBAL #else # ifdef DL_GLOBAL # define LTDL_GLOBAL DL_GLOBAL # else # define LTDL_GLOBAL 0 # endif #endif /* We may have to define LTDL_LAZY_OR_NOW in the command line if we find out it does not work in some platform. */ #ifndef LTDL_LAZY_OR_NOW # ifdef RTLD_LAZY # define LTDL_LAZY_OR_NOW RTLD_LAZY # else # ifdef DL_LAZY # define LTDL_LAZY_OR_NOW DL_LAZY # else # ifdef RTLD_NOW # define LTDL_LAZY_OR_NOW RTLD_NOW # else # ifdef DL_NOW # define LTDL_LAZY_OR_NOW DL_NOW # else # define LTDL_LAZY_OR_NOW 0 # endif # endif # endif # endif #endif fnord() { int i=42;} main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW); if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord"); if(ptr1 || ptr2) { dlclose(self); exit(0); } } exit(1); } ], lt_cv_dlopen_self=yes, lt_cv_dlopen_self=no, lt_cv_dlopen_self=cross) AC_MSG_RESULT([$lt_cv_dlopen_self]) if test "$lt_cv_dlopen_self" = yes; then LDFLAGS="$LDFLAGS $link_static_flag" AC_MSG_CHECKING([whether a statically linked program can dlopen itself]) AC_TRY_RUN([ #if HAVE_DLFCN_H #include #endif #include #ifdef RTLD_GLOBAL # define LTDL_GLOBAL RTLD_GLOBAL #else # ifdef DL_GLOBAL # define LTDL_GLOBAL DL_GLOBAL # else # define LTDL_GLOBAL 0 # endif #endif /* We may have to define LTDL_LAZY_OR_NOW in the command line if we find out it does not work in some platform. */ #ifndef LTDL_LAZY_OR_NOW # ifdef RTLD_LAZY # define LTDL_LAZY_OR_NOW RTLD_LAZY # else # ifdef DL_LAZY # define LTDL_LAZY_OR_NOW DL_LAZY # else # ifdef RTLD_NOW # define LTDL_LAZY_OR_NOW RTLD_NOW # else # ifdef DL_NOW # define LTDL_LAZY_OR_NOW DL_NOW # else # define LTDL_LAZY_OR_NOW 0 # endif # endif # endif # endif #endif fnord() { int i=42;} main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW); if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord"); if(ptr1 || ptr2) { dlclose(self); exit(0); } } exit(1); } ], lt_cv_dlopen_self_static=yes, lt_cv_dlopen_self_static=no, lt_cv_dlopen_self_static=cross) AC_MSG_RESULT([$lt_cv_dlopen_self_static]) 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=$lt_cv_dlopen_self_static ;; *) enable_dlopen_self_static=unknown ;; esac fi if test "$enable_shared" = yes && test "$ac_cv_prog_gcc" = yes; then case "$archive_cmds" in *'~'*) # FIXME: we may have to deal with multi-command sequences. ;; '$CC '*) # Test whether the compiler implicitly links with -lc since on some # systems, -lgcc has to come before -lc. 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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) # 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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