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authorWerner Koch <wk@gnupg.org>1999-03-14 18:35:18 +0000
committerWerner Koch <wk@gnupg.org>1999-03-14 18:35:18 +0000
commit1922b2a9241ed32eee6e7366e137dd9df804af47 (patch)
treef2437e0f6d37deb96f57032561858b68d6061cc7 /acinclude.m4
parent0b342a947b7b17994abd319df9070861151cf270 (diff)
downloadlibgcrypt-1922b2a9241ed32eee6e7366e137dd9df804af47.tar.gz
See ChangeLog: Sun Mar 14 19:34:36 CET 1999 Werner Koch
Diffstat (limited to 'acinclude.m4')
-rw-r--r--acinclude.m4217
1 files changed, 0 insertions, 217 deletions
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.$ac_ext <<EOF
-void nm_test_func(){}
-int main(){nm_test_func;return 0;}
-EOF
-if AC_TRY_EVAL(ac_compile); then
- # Now try to grab the symbols.
- ac_nlist=conftest.nm
- if AC_TRY_EVAL(NM conftest.$ac_objext \| $ac_cv_sys_global_symbol_pipe \> $ac_nlist) && test -s "$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 <<EOF
-#ifdef __cplusplus
-extern "C" {
-#endif
-char nm_test_var;
-void nm_test_func(){}
-#ifdef __cplusplus
-}
-#endif
-int main(){nm_test_var='a';nm_test_func;return 0;}
-EOF
-if AC_TRY_EVAL(ac_compile); then
- # Now try to grab the symbols.
- ac_nlist=conftest.nm
- if AC_TRY_EVAL(NM conftest.$ac_objext \| $ac_cv_sys_global_symbol_pipe \> $ac_nlist) && test -s "$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 <<EOF > conftest.c
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-EOF
- # Now generate the symbol file.
- sed 's/^.* \(.*\)$/extern char \1;/' < "$ac_nlist" >> conftest.c
-
- cat <<EOF >> 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.