From 1922b2a9241ed32eee6e7366e137dd9df804af47 Mon Sep 17 00:00:00 2001 From: Werner Koch Date: Sun, 14 Mar 1999 18:35:18 +0000 Subject: See ChangeLog: Sun Mar 14 19:34:36 CET 1999 Werner Koch --- acinclude.m4 | 217 ----------------------------------------------------------- 1 file changed, 217 deletions(-) (limited to 'acinclude.m4') diff --git a/acinclude.m4 b/acinclude.m4 index 2d0b69b6..2349da62 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -342,222 +342,5 @@ define(GNUPG_CHECK_MLOCK, fi ]) -##################################################################### -# AM_SYS_SYMBOL_UNDERSCORE, AM_SYS_NM_PARSE: -# This has been taken from glib 1.2.0 acinclude.m4 which states that -# it is copyrighted by the FSF -################################################################### ## -dnl AM_SYS_SYMBOL_UNDERSCORE - does the compiler prefix global symbols -dnl with an underscore? -AC_DEFUN(AM_SYS_SYMBOL_UNDERSCORE, -[AC_REQUIRE([AM_PROG_NM])dnl -AC_REQUIRE([AM_SYS_NM_PARSE])dnl -AC_MSG_CHECKING([for _ prefix in compiled symbols]) -AC_CACHE_VAL(ac_cv_sys_symbol_underscore, -[ac_cv_sys_symbol_underscore=no -cat > conftest.$ac_ext < $ac_nlist) && test -s "$ac_nlist"; then - # See whether the symbols have a leading underscore. - if egrep '^_nm_test_func' "$ac_nlist" >/dev/null; then - ac_cv_sys_symbol_underscore=yes - else - if egrep '^nm_test_func ' "$ac_nlist" >/dev/null; then - : - else - echo "configure: cannot find nm_test_func in $ac_nlist" >&AC_FD_CC - fi - fi - else - echo "configure: cannot run $ac_cv_sys_global_symbol_pipe" >&AC_FD_CC - fi -else - echo "configure: failed program was:" >&AC_FD_CC - cat conftest.c >&AC_FD_CC -fi -rm -rf conftest* -]) -AC_MSG_RESULT($ac_cv_sys_symbol_underscore) -if test x$ac_cv_sys_symbol_underscore = xyes; then - AC_DEFINE(WITH_SYMBOL_UNDERSCORE,1, - [define if compiled symbols have a leading underscore]) -fi -]) - - -dnl AM_SYS_NM_PARSE - Check for command to grab the raw symbol name followed -dnl by C symbol name from nm. -AC_DEFUN(AM_SYS_NM_PARSE, -[AC_REQUIRE([AC_CANONICAL_HOST])dnl -AC_REQUIRE([AM_PROG_NM])dnl -# 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, -[# These are sane defaults that work on at least a few old systems. -# {They come from Ultrix. What could be older than Ultrix?!! ;)} - -changequote(,)dnl -# Character class describing NM global symbol codes. -ac_symcode='[BCDEGRSTU]' - -# Regexp to match symbols that can be accessed directly from C. -ac_sympat='\([_A-Za-z][_A-Za-z0-9]*\)' - -# Transform the above into a raw symbol and a C symbol. -ac_symxfrm='\1 \1' - -# Define system-specific variables. -case "$host_os" in -aix*) - ac_symcode='[BCDTU]' - ;; -sunos* | cygwin32* | mingw32*) - ac_sympat='_\([_A-Za-z][_A-Za-z0-9]*\)' - ac_symxfrm='_\1 \1' - ;; -irix*) - # Cannot use undefined symbols on IRIX because inlined functions mess us up. - ac_symcode='[BCDEGRST]' - ;; -solaris*) - ac_symcode='[BDTU]' - ;; -esac - -# If we're using GNU nm, then use its standard symbol codes. -if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then - ac_symcode='[ABCDGISTUW]' -fi - -case "$host_os" in -cygwin32* | mingw32*) - # We do not want undefined symbols on cygwin32. The user must - # arrange to define them via -l arguments. - ac_symcode='[ABCDGISTW]' - ;; -esac -changequote([,])dnl - -# Write the raw and C identifiers. -ac_cv_sys_global_symbol_pipe="sed -n -e 's/^.* $ac_symcode $ac_sympat$/$ac_symxfrm/p'" - -# Check to see that the pipe works correctly. -ac_pipe_works=no -cat > conftest.$ac_ext < $ac_nlist) && test -s "$ac_nlist"; then - - # Try sorting and uniquifying the output. - if sort "$ac_nlist" | uniq > "$ac_nlist"T; then - mv -f "$ac_nlist"T "$ac_nlist" - ac_wcout=`wc "$ac_nlist" 2>/dev/null` -changequote(,)dnl - ac_count=`echo "X$ac_wcout" | sed -e 's,^X,,' -e 's/^[ ]*\([0-9][0-9]*\).*$/\1/'` -changequote([,])dnl - (test "$ac_count" -ge 0) 2>/dev/null || ac_count=-1 - else - rm -f "$ac_nlist"T - ac_count=-1 - fi - - # Make sure that we snagged all the symbols we need. - if egrep ' nm_test_var$' "$ac_nlist" >/dev/null; then - if egrep ' nm_test_func$' "$ac_nlist" >/dev/null; then - cat < conftest.c -#ifdef __cplusplus -extern "C" { -#endif - -EOF - # Now generate the symbol file. - sed 's/^.* \(.*\)$/extern char \1;/' < "$ac_nlist" >> conftest.c - - cat <> conftest.c -#if defined (__STDC__) && __STDC__ -# define __ptr_t void * -#else -# define __ptr_t char * -#endif - -/* The number of symbols in dld_preloaded_symbols, -1 if unsorted. */ -int dld_preloaded_symbol_count = $ac_count; - -/* The mapping between symbol names and symbols. */ -struct { - char *name; - __ptr_t address; -} -changequote(,)dnl -dld_preloaded_symbols[] = -changequote([,])dnl -{ -EOF - sed 's/^\(.*\) \(.*\)$/ {"\1", (__ptr_t) \&\2},/' < "$ac_nlist" >> conftest.c - cat <<\EOF >> conftest.c - {0, (__ptr_t) 0} -}; - -#ifdef __cplusplus -} -#endif -EOF - # Now try linking the two files. - mv conftest.$ac_objext conftestm.$ac_objext - ac_save_LIBS="$LIBS" - ac_save_CFLAGS="$CFLAGS" - LIBS="conftestm.$ac_objext" - CFLAGS="$CFLAGS$no_builtin_flag" - if AC_TRY_EVAL(ac_link) && test -s conftest; then - ac_pipe_works=yes - else - echo "configure: failed program was:" >&AC_FD_CC - cat conftest.c >&AC_FD_CC - fi - LIBS="$ac_save_LIBS" - CFLAGS="$ac_save_CFLAGS" - else - echo "cannot find nm_test_func in $ac_nlist" >&AC_FD_CC - fi - else - echo "cannot find nm_test_var in $ac_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.c >&AC_FD_CC -fi -rm -rf conftest* - -# Do not use the global_symbol_pipe unless it works. -test "$ac_pipe_works" = yes || ac_cv_sys_global_symbol_pipe= -]) - -ac_result=yes -if test -z "$ac_cv_sys_global_symbol_pipe"; then - ac_result=no -fi -AC_MSG_RESULT($ac_result) -]) -dnl end of AM_SYS_NM_PARSE - dnl *-*wedit:notab*-* Please keep this as the last line. -- cgit v1.2.1