mirror of
git://git.gnupg.org/gnupg.git
synced 2025-07-02 22:46:30 +02:00
See ChangeLog: Mon Mar 8 20:47:17 CET 1999 Werner Koch
This commit is contained in:
Werner Koch
parent
6d5eecb706
commit
b31145f3e2
39 changed files with 2458 additions and 2355 deletions
217
acinclude.m4
217
acinclude.m4
|
|
@ -342,5 +342,222 @@ 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.
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue