security-and-privacy/gnupg
security-and-privacy/gnupg
1
0
Fork 0
mirror of git://git.gnupg.org/gnupg.git synced 2024-12-23 10:29:58 +01:00
Code Activity
gnupg/acinclude.m4
Werner Koch 9a2a818887 Switched to GPLv3. 
Updated gettext.
2007-10-23 10:48:09 +00:00

783 lines
23 KiB
Plaintext
Raw Blame History

# macros to configure gnupg
# Copyright (C) 1998, 1999, 2000, 2001, 2003 Free Software Foundation, Inc.
#
# This file is part of GnuPG.
#
# GnuPG 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 3 of the License, or
# (at your option) any later version.
#
# GnuPG 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, see <http://www.gnu.org/licenses/>.
dnl GNUPG_MSG_PRINT(STRING)
dnl print a message
dnl
define(GNUPG_MSG_PRINT,
[ echo $ac_n "$1"" $ac_c" 1>&AC_FD_MSG
])
dnl GNUPG_CHECK_TYPEDEF(TYPE, HAVE_NAME)
dnl Check whether a typedef exists and create a #define $2 if it exists
dnl
AC_DEFUN([GNUPG_CHECK_TYPEDEF],
[ AC_MSG_CHECKING(for $1 typedef)
AC_CACHE_VAL(gnupg_cv_typedef_$1,
[AC_TRY_COMPILE([#define _GNU_SOURCE 1
#include <stdlib.h>
#include <sys/types.h>], [
#undef $1
int a = sizeof($1);
], gnupg_cv_typedef_$1=yes, gnupg_cv_typedef_$1=no )])
AC_MSG_RESULT($gnupg_cv_typedef_$1)
if test "$gnupg_cv_typedef_$1" = yes; then
AC_DEFINE($2,1,[Defined if a `]$1[' is typedef'd])
fi
])
dnl GNUPG_CHECK_GNUMAKE
dnl
AC_DEFUN([GNUPG_CHECK_GNUMAKE],
[
if ${MAKE-make} --version 2>/dev/null | grep '^GNU ' >/dev/null 2>&1; then
:
else
AC_MSG_WARN([[
***
*** It seems that you are not using GNU make. Some make tools have serious
*** flaws and you may not be able to build this software at all. Before you
*** complain, please try GNU make: GNU make is easy to build and available
*** at all GNU archives. It is always available from ftp.gnu.org:/gnu/make.
***]])
fi
])
dnl GNUPG_CHECK_FAQPROG
dnl
AC_DEFUN([GNUPG_CHECK_FAQPROG],
[ AC_MSG_CHECKING(for faqprog.pl)
if faqprog.pl -V 2>/dev/null | grep '^faqprog.pl ' >/dev/null 2>&1; then
working_faqprog=yes
FAQPROG="faqprog.pl"
else
working_faqprog=no
FAQPROG=": "
fi
AC_MSG_RESULT($working_faqprog)
AC_SUBST(FAQPROG)
AM_CONDITIONAL(WORKING_FAQPROG, test "$working_faqprog" = "yes" )
dnl if test $working_faqprog = no; then
dnl AC_MSG_WARN([[
dnl ***
dnl *** It seems that the faqprog.pl program is not installed;
dnl *** however it is only needed if you want to change the FAQ.
dnl *** (faqprog.pl should be available at:
dnl *** ftp://ftp.gnupg.org/gcrypt/contrib/faqprog.pl )
dnl *** No need to worry about this warning.
dnl ***]])
dnl fi
])
dnl GNUPG_CHECK_DOCBOOK_TO_TEXI
dnl
AC_DEFUN([GNUPG_CHECK_DOCBOOK_TO_TEXI],
[
AC_CHECK_PROG(DOCBOOK_TO_TEXI, docbook2texi, yes, no)
AC_MSG_CHECKING(for sgml to texi tools)
working_sgmltotexi=no
if test "$ac_cv_prog_DOCBOOK_TO_TEXI" = yes; then
if sgml2xml -v /dev/null 2>&1 | grep 'SP version' >/dev/null 2>&1 ; then
working_sgmltotexi=yes
fi
fi
AC_MSG_RESULT($working_sgmltotexi)
AM_CONDITIONAL(HAVE_DOCBOOK_TO_TEXI, test "$working_sgmltotexi" = "yes" )
])
dnl GNUPG_CHECK_ENDIAN
dnl define either LITTLE_ENDIAN_HOST or BIG_ENDIAN_HOST
dnl
define([GNUPG_CHECK_ENDIAN],
[
tmp_assumed_endian=big
if test "$cross_compiling" = yes; then
case "$host_cpu" in
i@<:@345678@:>@* )
tmp_assumed_endian=little
;;
*)
;;
esac
AC_MSG_WARN(cross compiling; assuming $tmp_assumed_endian endianess)
fi
AC_MSG_CHECKING(endianess)
AC_CACHE_VAL(gnupg_cv_c_endian,
[ gnupg_cv_c_endian=unknown
# See if sys/param.h defines the BYTE_ORDER macro.
AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/param.h>], [
#if !BYTE_ORDER || !BIG_ENDIAN || !LITTLE_ENDIAN
bogus endian macros
#endif], [# It does; now see whether it defined to BIG_ENDIAN or not.
AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/param.h>], [
#if BYTE_ORDER != BIG_ENDIAN
not big endian
#endif], gnupg_cv_c_endian=big, gnupg_cv_c_endian=little)])
if test "$gnupg_cv_c_endian" = unknown; then
AC_TRY_RUN([main () {
/* Are we little or big endian? From Harbison&Steele. */
union
{
long l;
char c[sizeof (long)];
} u;
u.l = 1;
exit (u.c[sizeof (long) - 1] == 1);
}],
gnupg_cv_c_endian=little,
gnupg_cv_c_endian=big,
gnupg_cv_c_endian=$tmp_assumed_endian
)
fi
])
AC_MSG_RESULT([$gnupg_cv_c_endian])
if test "$gnupg_cv_c_endian" = little; then
AC_DEFINE(LITTLE_ENDIAN_HOST,1,
[Defined if the host has little endian byte ordering])
else
AC_DEFINE(BIG_ENDIAN_HOST,1,
[Defined if the host has big endian byte ordering])
fi
])
dnl GNUPG_CHECK_CACHE
dnl
define(GNUPG_CHECK_CACHE,
[ AC_MSG_CHECKING(cached information)
gnupg_hostcheck="$target"
AC_CACHE_VAL(gnupg_cv_hostcheck, [ gnupg_cv_hostcheck="$gnupg_hostcheck" ])
if test "$gnupg_cv_hostcheck" != "$gnupg_hostcheck"; then
AC_MSG_RESULT(changed)
AC_MSG_WARN(config.cache exists!)
AC_MSG_ERROR(you must do 'make distclean' first to compile for
different target or different parameters.)
else
AC_MSG_RESULT(ok)
fi
])
######################################################################
# Check for -fPIC etc (taken from libtool)
# This sets CFLAGS_PIC to the required flags
# NO_PIC to yes if it is not possible to
# generate PIC
######################################################################
dnl GNUPG_CHECK_PIC
dnl
define(GNUPG_CHECK_PIC,
[ AC_MSG_CHECKING(for option to create PIC)
CFLAGS_PIC=
NO_PIC=no
if test "$cross_compiling" = yes; then
AC_MSG_RESULT(assume none)
else
if test "$GCC" = yes; then
CFLAGS_PIC="-fPIC"
else
case "$host_os" in
aix3* | aix4*)
# All rs/6000 code is PIC
# but is there any non-rs/6000 AIX platform?
;;
hpux9* | hpux10*)
CFLAGS_PIC="+Z"
;;
irix5* | irix6*)
# PIC (with -KPIC) is the default.
;;
osf3* | osf4*)
# FIXME - pic_flag is probably required for
# hppa*-osf* and i860-osf*
;;
sco3.2v5*)
CFLAGS_PIC='-Kpic'
;;
solaris2* | solaris7* )
CFLAGS_PIC='-KPIC'
;;
sunos4*)
CFLAGS_PIC='-PIC'
;;
*)
NO_PIC=yes
;;
esac
fi
case "$host_cpu" in
rs6000 | powerpc | powerpcle)
# Yippee! All RS/6000 and PowerPC code is position-independent.
CFLAGS_PIC=""
;;
esac
if test "$NO_PIC" = yes; then
AC_MSG_RESULT(not possible)
else
if test -z "$CFLAGS_PIC"; then
AC_MSG_RESULT(none)
else
AC_MSG_RESULT($CFLAGS_PIC)
fi
fi
fi
])
######################################################################
# Check for export-dynamic flag
# This sets CFLAGS_EXPORTDYNAMIC to the required flags
######################################################################
dnl GNUPG_CHECK_EXPORTDYNAMIC
dnl
define(GNUPG_CHECK_EXPORTDYNAMIC,
[ AC_MSG_CHECKING(how to specify -export-dynamic)
if test "$cross_compiling" = yes; then
AC_MSG_RESULT(assume none)
CFLAGS_EXPORTDYNAMIC=""
else
AC_CACHE_VAL(gnupg_cv_export_dynamic,[
if AC_TRY_COMMAND([${CC-cc} $CFLAGS -Wl,--version 2>&1 |
grep "GNU ld" >/dev/null]); then
# using gnu's linker
gnupg_cv_export_dynamic="-Wl,-export-dynamic"
else
case "$host_os" in
hpux* )
gnupg_cv_export_dynamic="-Wl,-E"
;;
* )
gnupg_cv_export_dynamic=""
;;
esac
fi
])
AC_MSG_RESULT($gnupg_cv_export_dynamic)
CFLAGS_EXPORTDYNAMIC="$gnupg_cv_export_dynamic"
fi
])
#####################################################################
# Check for SysV IPC (from GIMP)
# And see whether we have a SHM_LOCK (FreeBSD does not have it).
#####################################################################
dnl GNUPG_CHECK_IPC
dnl
define(GNUPG_CHECK_IPC,
[ AC_CHECK_HEADERS(sys/ipc.h sys/shm.h)
if test "$ac_cv_header_sys_shm_h" = "yes"; then
AC_MSG_CHECKING(whether IPC_RMID allowes subsequent attaches)
AC_CACHE_VAL(gnupg_cv_ipc_rmid_deferred_release,
AC_TRY_RUN([
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/shm.h>
int main()
{
int id;
char *shmaddr;
id = shmget (IPC_PRIVATE, 4, IPC_CREAT | 0777);
if (id == -1)
exit (2);
shmaddr = shmat (id, 0, 0);
shmctl (id, IPC_RMID, 0);
if ((char*) shmat (id, 0, 0) == (char*) -1)
{
shmdt (shmaddr);
exit (1);
}
shmdt (shmaddr);
shmdt (shmaddr);
exit (0);
}
],
gnupg_cv_ipc_rmid_deferred_release="yes",
gnupg_cv_ipc_rmid_deferred_release="no",
gnupg_cv_ipc_rmid_deferred_release="assume-no")
)
if test "$gnupg_cv_ipc_rmid_deferred_release" = "yes"; then
AC_DEFINE(IPC_RMID_DEFERRED_RELEASE,1,
[Defined if we can do a deferred shm release])
AC_MSG_RESULT(yes)
else
if test "$gnupg_cv_ipc_rmid_deferred_release" = "no"; then
AC_MSG_RESULT(no)
else
AC_MSG_RESULT([assuming no])
fi
fi
AC_MSG_CHECKING(whether SHM_LOCK is available)
AC_CACHE_VAL(gnupg_cv_ipc_have_shm_lock,
AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/shm.h>],[
int shm_id;
shmctl(shm_id, SHM_LOCK, 0);
],
gnupg_cv_ipc_have_shm_lock="yes",
gnupg_cv_ipc_have_shm_lock="no"
)
)
if test "$gnupg_cv_ipc_have_shm_lock" = "yes"; then
AC_DEFINE(IPC_HAVE_SHM_LOCK,1,
[Defined if a SysV shared memory supports the LOCK flag])
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
fi
])
######################################################################
# Check whether mlock is broken (hpux 10.20 raises a SIGBUS if mlock
# is not called from uid 0 (not tested whether uid 0 works)
# For DECs Tru64 we have also to check whether mlock is in librt
# mlock is there a macro using memlk()
######################################################################
dnl GNUPG_CHECK_MLOCK
dnl
define(GNUPG_CHECK_MLOCK,
[ AC_CHECK_FUNCS(mlock)
if test "$ac_cv_func_mlock" = "no"; then
AC_CHECK_HEADERS(sys/mman.h)
if test "$ac_cv_header_sys_mman_h" = "yes"; then
# Add librt to LIBS:
AC_CHECK_LIB(rt, memlk)
AC_CACHE_CHECK([whether mlock is in sys/mman.h],
gnupg_cv_mlock_is_in_sys_mman,
[AC_TRY_LINK([
#include <assert.h>
#ifdef HAVE_SYS_MMAN_H
#include <sys/mman.h>
#endif
], [
int i;
/* glibc defines this for functions which it implements
* to always fail with ENOSYS. Some functions are actually
* named something starting with __ and the normal name
* is an alias. */
#if defined (__stub_mlock) || defined (__stub___mlock)
choke me
#else
mlock(&i, 4);
#endif
; return 0;
],
gnupg_cv_mlock_is_in_sys_mman=yes,
gnupg_cv_mlock_is_in_sys_mman=no)])
if test "$gnupg_cv_mlock_is_in_sys_mman" = "yes"; then
AC_DEFINE(HAVE_MLOCK,1,
[Defined if the system supports an mlock() call])
fi
fi
fi
if test "$ac_cv_func_mlock" = "yes"; then
AC_CHECK_FUNCS(sysconf getpagesize)
AC_MSG_CHECKING(whether mlock is broken)
AC_CACHE_VAL(gnupg_cv_have_broken_mlock,
AC_TRY_RUN([
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <sys/mman.h>
#include <sys/types.h>
#include <fcntl.h>
int main()
{
char *pool;
int err;
long int pgsize;
#if defined(HAVE_SYSCONF) && defined(_SC_PAGESIZE)
pgsize = sysconf(_SC_PAGESIZE);
#elif defined(HAVE_GETPAGESIZE)
pgsize = getpagesize();
#else
pgsize = -1;
#endif
if(pgsize==-1)
pgsize = 4096;
pool = malloc( 4096 + pgsize );
if( !pool )
return 2;
pool += (pgsize - ((long int)pool % pgsize));
err = mlock( pool, 4096 );
if( !err || errno == EPERM )
return 0; /* okay */
return 1; /* hmmm */
}
],
gnupg_cv_have_broken_mlock="no",
gnupg_cv_have_broken_mlock="yes",
gnupg_cv_have_broken_mlock="assume-no"
)
)
if test "$gnupg_cv_have_broken_mlock" = "yes"; then
AC_DEFINE(HAVE_BROKEN_MLOCK,1,
[Defined if the mlock() call does not work])
AC_MSG_RESULT(yes)
AC_CHECK_FUNCS(plock)
else
if test "$gnupg_cv_have_broken_mlock" = "no"; then
AC_MSG_RESULT(no)
else
AC_MSG_RESULT(assuming no)
fi
fi
fi
])
################################################################
# GNUPG_PROG_NM - find the path to a BSD-compatible name lister
AC_DEFUN([GNUPG_PROG_NM],
[AC_MSG_CHECKING([for BSD-compatible nm])
AC_CACHE_VAL(ac_cv_path_NM,
[if test -n "$NM"; then
# Let the user override the test.
ac_cv_path_NM="$NM"
else
IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
for ac_dir in /usr/ucb /usr/ccs/bin $PATH /bin; do
test -z "$ac_dir" && ac_dir=.
if test -f $ac_dir/nm; then
# Check to see if the nm accepts a BSD-compat flag.
# Adding the `sed 1q' prevents false positives on HP-UX, which says:
# nm: unknown option "B" ignored
if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
ac_cv_path_NM="$ac_dir/nm -B"
elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
ac_cv_path_NM="$ac_dir/nm -p"
else
ac_cv_path_NM="$ac_dir/nm"
fi
break
fi
done
IFS="$ac_save_ifs"
test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm
fi])
NM="$ac_cv_path_NM"
AC_MSG_RESULT([$NM])
AC_SUBST(NM)
])
# GNUPG_SYS_NM_PARSE - Check for command ro grab the raw symbol name followed
# by C symbol name from nm.
AC_DEFUN([GNUPG_SYS_NM_PARSE],
[AC_REQUIRE([AC_CANONICAL_HOST])dnl
AC_REQUIRE([GNUPG_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]'
;;
freebsd* | netbsd* | openbsd* | bsdi* | 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/^.* _\{0,1\}\(.*\)$/extern char \1;/' < "$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/^_\{0,1\}\(.*\) _\{0,1\}\(.*\)$/ {"\1", (__ptr_t) \&\2},/' < "$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($ac_result)
])
# GNUPG_SYS_LIBTOOL_CYGWIN32 - find tools needed on cygwin32
AC_DEFUN([GNUPG_SYS_LIBTOOL_CYGWIN32],
[AC_CHECK_TOOL(DLLTOOL, dlltool, false)
AC_CHECK_TOOL(AS, as, false)
])
# GNUPG_SYS_SYMBOL_UNDERSCORE - does the compiler prefix global symbols
# with an underscore?
AC_DEFUN([GNUPG_SYS_SYMBOL_UNDERSCORE],
[tmp_do_check="no"
case "${host}" in
*-mingw32msvc*)
ac_cv_sys_symbol_underscore=yes
;;
i386-emx-os2 | i[3456]86-pc-os2*emx | i386-pc-msdosdjgpp)
ac_cv_sys_symbol_underscore=yes
;;
*)
if test "$cross_compiling" = yes; then
if test "x$ac_cv_sys_symbol_underscore" = x; then
ac_cv_sys_symbol_underscore=yes
fi
else
tmp_do_check="yes"
fi
;;
esac
if test "$tmp_do_check" = "yes"; then
AC_REQUIRE([GNUPG_PROG_NM])dnl
AC_REQUIRE([GNUPG_SYS_NM_PARSE])dnl
AC_MSG_CHECKING([for _ prefix in compiled symbols])
AC_CACHE_VAL(ac_cv_sys_symbol_underscore,
[ac_cv_sys_symbol_underscore=no
cat > conftest.$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 $ac_cv_sys_global_symbol_pipe" >&AC_FD_CC
fi
else
echo "configure: failed program was:" >&AC_FD_CC
cat conftest.c >&AC_FD_CC
fi
rm -rf conftest*
])
else
AC_MSG_CHECKING([for _ prefix in compiled symbols])
fi
AC_MSG_RESULT($ac_cv_sys_symbol_underscore)
if test x$ac_cv_sys_symbol_underscore = xyes; then
AC_DEFINE(WITH_SYMBOL_UNDERSCORE,1,
[Defined if compiled symbols have a leading underscore])
fi
])
dnl Stolen from gcc
dnl Define MKDIR_TAKES_ONE_ARG if mkdir accepts only one argument instead
dnl of the usual 2.
AC_DEFUN([GNUPG_FUNC_MKDIR_TAKES_ONE_ARG],
[AC_CHECK_HEADERS(sys/stat.h unistd.h direct.h)
AC_CACHE_CHECK([if mkdir takes one argument], gnupg_cv_mkdir_takes_one_arg,
[AC_TRY_COMPILE([
#include <sys/types.h>
#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#ifdef HAVE_DIRECT_H
# include <direct.h>
#endif], [mkdir ("foo", 0);],
gnupg_cv_mkdir_takes_one_arg=no, gnupg_cv_mkdir_takes_one_arg=yes)])
if test $gnupg_cv_mkdir_takes_one_arg = yes ; then
AC_DEFINE(MKDIR_TAKES_ONE_ARG,1,
[Defined if mkdir() does not take permission flags])
fi
])
# GNUPG_AC_INIT([PACKAGE, VERSION, [ISDEVEL], BUG-REPORT)
# ----------------------------------------
# Call AC_INIT with an additional argument to indicate a development
# version. If this is called ""svn", the global revision of the
# repository will be appended, so that a version. The variable
# SVN_REVISION will always be set. In case svn is not available 0
# will be used for the revision.
m4_define([GNUPG_AC_INIT],
[
m4_define(gnupg_ac_init_tmp, m4_esyscmd([echo -n $((svn info 2>/dev/null || \
echo 'Revision: 0') |sed -n '/^Revision:/ {s/[^0-9]//gp;q}')]))
SVN_REVISION="gnupg_ac_init_tmp[]"
AC_INIT([$1], [$2][]m4_ifval([$3],[-[$3][]gnupg_ac_init_tmp],[]), [$4])
])
View Git Blame Copy Permalink