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gnupg/configure.ac
David Shaw 92fb1251d0 * configure.ac: Add a check for volatile.
2002-10-31 15:23:10 +00:00

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dnl Configure.ac script for GnuPG
dnl Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
dnl
dnl This file is part of GnuPG.
dnl
dnl GnuPG is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2 of the License, or
dnl (at your option) any later version.
dnl
dnl GnuPG is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program; if not, write to the Free Software
dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
dnl
dnl (Process this file with autoconf to produce a configure script.)
dnlAC_REVISION($Revision$)dnl
AC_PREREQ(2.52)
# Remember to change the version number immediately *after* a release
# and remove the "-cvs" or "rc" suffix immediately *before* a release.
AC_INIT(gnupg, 1.2.2-cvs, bug-gnupg@gnu.org)
# Set development_version to yes if the minor number is odd or you
# feel that the default check for a development version is not
# sufficient.
development_version=no
ALL_LINGUAS="ca cs da de eo el es et fr gl id it ja nl pl pt_BR pt sv tr"
PACKAGE=$PACKAGE_NAME
VERSION=$PACKAGE_VERSION
AC_CONFIG_AUX_DIR(scripts)
AC_CONFIG_SRCDIR(g10/g10.c)
AC_CANONICAL_TARGET()
AM_INIT_AUTOMAKE($PACKAGE, $VERSION)
AM_CONFIG_HEADER(config.h)
AC_SUBST(PACKAGE)
AC_SUBST(VERSION)
AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package])
AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version of this package])
AC_DEFINE(_GNU_SOURCE,1,[Some tests rely on this (stpcpy) and it should be used for new programs anyway])
dnl
dnl Check for random module options
dnl
AC_MSG_CHECKING([which random module to use])
AC_ARG_ENABLE(static-rnd,
[ --enable-static-rnd=[egd|unix|linux|auto] ],
[use_static_rnd=$enableval], [use_static_rnd=default] )
if test "$use_static_rnd" = no; then
use_static_rnd=default
fi
case "$use_static_rnd" in
egd | linux | unix | default )
AC_MSG_RESULT($use_static_rnd)
;;
auto )
AC_MSG_RESULT(automagically selected at runtime)
;;
* )
AC_MSG_RESULT(invalid argument)
AC_MSG_ERROR(there is no random module rnd$use_static_rnd)
;;
esac
AC_ARG_WITH(egd-socket,
[ --with-egd-socket=NAME use NAME for the EGD socket],
egd_socket_name="$withval", egd_socket_name="" )
AC_DEFINE_UNQUOTED(EGD_SOCKET_NAME, "$egd_socket_name",
[Define if you don't want the default EGD socket name.
For details see cipher/rndegd.c])
dnl
dnl See whether the user wants to disable checking for /dev/random
AC_MSG_CHECKING([whether use of /dev/random is requested])
AC_ARG_ENABLE(dev-random,
[ --disable-dev-random disable the use of dev random],
try_dev_random=$enableval, try_dev_random=yes)
AC_MSG_RESULT($try_dev_random)
dnl
dnl Check other options
dnl
# We don't need idea but some people claim that they need it for
# research etc., so we allow to place an idea source code into the
# cipher directory and statically link it if available, otherwise we
# link to a stub. We don't use AC_CHECK_FILE to avoid caching.
AC_MSG_CHECKING(for extra cipher modules)
tmp=""
if test -f $srcdir/cipher/idea.c; then
IDEA_O=idea.o
tmp=idea
else
IDEA_O=idea-stub.o
tmp=no
fi
AC_SUBST(IDEA_O)
AC_MSG_RESULT($tmp)
# if the static idea is present, disable dynload.
if test "$IDEA_O" = idea-stub.o ; then
AC_MSG_CHECKING([whether use of extensions is requested])
AC_ARG_ENABLE(dynload,
[ --disable-dynload disable use of extensions],
try_dynload=$enableval, try_dynload=yes)
AC_MSG_RESULT($try_dynload)
else
try_dynload=no
fi
AC_MSG_CHECKING([whether assembler modules are requested])
AC_ARG_ENABLE(asm,
[ --disable-asm do not use assembler modules],
try_asm_modules=$enableval, try_asm_modules=yes)
AC_MSG_RESULT($try_asm_modules)
AC_MSG_CHECKING([whether memory guard is requested])
AC_ARG_ENABLE(m-guard,
[ --enable-m-guard enable memory guard facility],
use_m_guard=$enableval, use_m_guard=no)
AC_MSG_RESULT($use_m_guard)
if test "$use_m_guard" = yes ; then
AC_DEFINE(M_GUARD,1,[Define to use the (obsolete) malloc guarding feature])
fi
AC_MSG_CHECKING([whether to enable experimental TIGER digest support])
AC_ARG_ENABLE(tiger,
[ --enable-tiger enable experimental TIGER digest support],
use_tiger=$enableval, use_tiger=no)
AC_MSG_RESULT($use_tiger)
if test "$use_tiger" = yes ; then
AC_SUBST(TIGER_O,tiger.o)
AC_DEFINE(USE_TIGER,1,[Define to include experimental TIGER digest support])
AC_DEFINE(USE_OLD_TIGER,1,[Define to use the old fake OID for TIGER digest support])
else
AC_MSG_CHECKING([whether to enable new-style experimental TIGER digest support])
AC_ARG_ENABLE(new-tiger,
[ --enable-new-tiger enable new-style experimental TIGER digest support],
use_new_tiger=$enableval, use_new_tiger=no)
AC_MSG_RESULT($use_new_tiger)
if test "$use_new_tiger" = yes ; then
AC_SUBST(TIGER_O,tiger.o)
AC_DEFINE(USE_TIGER,1,[Define to include experimental TIGER digest support])
fi
fi
AC_MSG_CHECKING([whether to enable external program execution])
AC_ARG_ENABLE(exec,
[ --disable-exec disable all external program execution],
use_exec=$enableval, use_exec=yes)
AC_MSG_RESULT($use_exec)
if test "$use_exec" = no ; then
AC_DEFINE(NO_EXEC,1,[Define to disable all external program execution])
fi
if test "$use_exec" = yes ; then
AC_MSG_CHECKING([whether to enable photo ID viewing])
AC_ARG_ENABLE(photo-viewers,
[ --disable-photo-viewers disable photo ID viewers],
[if test "$enableval" = no ; then
AC_DEFINE(DISABLE_PHOTO_VIEWER,1,[define to disable photo viewing])
fi],enableval=yes)
gnupg_cv_enable_photo_viewers=$enableval
AC_MSG_RESULT($enableval)
if test "$gnupg_cv_enable_photo_viewers" = yes ; then
AC_MSG_CHECKING([whether to use a fixed photo ID viewer])
AC_ARG_WITH(photo-viewer,
[ --with-photo-viewer=FIXED_VIEWER set a fixed photo ID viewer],
[if test "$withval" = yes ; then
withval=no
elif test "$withval" != no ; then
AC_DEFINE_UNQUOTED(FIXED_PHOTO_VIEWER,"$withval",
[if set, restrict photo-viewer to this])
fi],withval=no)
AC_MSG_RESULT($withval)
fi
AC_MSG_CHECKING([whether to enable external keyserver helpers])
AC_ARG_ENABLE(keyserver-helpers,
[ --disable-keyserver-helpers disable all external keyserver support],
[if test "$enableval" = no ; then
AC_DEFINE(DISABLE_KEYSERVER_HELPERS,1,
[define to disable keyserver helpers])
fi],enableval=yes)
gnupg_cv_enable_keyserver_helpers=$enableval
AC_MSG_RESULT($enableval)
if test "$gnupg_cv_enable_keyserver_helpers" = yes ; then
AC_MSG_CHECKING([whether LDAP keyserver support is requested])
AC_ARG_ENABLE(ldap,
[ --disable-ldap disable LDAP keyserver interface],
try_ldap=$enableval, try_ldap=yes)
AC_MSG_RESULT($try_ldap)
AC_MSG_CHECKING([whether experimental external hkp keyserver support is requested])
AC_ARG_ENABLE(external-hkp,
[ --enable-external-hkp enable experimental external HKP keyserver interface],
try_hkp=$enableval, try_hkp=no)
AC_MSG_RESULT($try_hkp)
if test "$try_hkp" = yes ; then
GPGKEYS_HKP="gpgkeys_hkp$EXEEXT"
AC_DEFINE(USE_EXTERNAL_HKP,1,[define to use the experimental external HKP keyserver interface])
fi
AC_MSG_CHECKING([whether email keyserver support is requested])
AC_ARG_ENABLE(mailto,
[ --disable-mailto disable email keyserver interface],
try_mailto=$enableval, try_mailto=yes)
AC_MSG_RESULT($try_mailto)
fi
AC_MSG_CHECKING([whether keyserver exec-path is enabled])
AC_ARG_ENABLE(keyserver-path,
[ --disable-keyserver-path disable the exec-path option for keyserver helpers],
[if test "$enableval" = no ; then
AC_DEFINE(DISABLE_KEYSERVER_PATH,1,[define to disable exec-path for keyserver helpers])
fi],enableval=yes)
AC_MSG_RESULT($enableval)
fi
AC_MSG_CHECKING([whether included zlib is requested])
AC_ARG_WITH(included-zlib,
[ --with-included-zlib use the zlib code included here],
[g10_force_zlib=yes], [g10_force_zlib=no] )
AC_MSG_RESULT($g10_force_zlib)
dnl
dnl Check whether we want to use Linux capabilities
dnl
AC_MSG_CHECKING([whether use of capabilities is requested])
AC_ARG_WITH(capabilities,
[ --with-capabilities use linux capabilities [default=no]],
[use_capabilities="$withval"],[use_capabilities=no])
AC_MSG_RESULT($use_capabilities)
AH_BOTTOM([
#if !(defined(HAVE_FORK) && defined(HAVE_PIPE) && defined(HAVE_WAITPID))
#define EXEC_TEMPFILE_ONLY
#endif
#include "g10defs.h"
])
AM_MAINTAINER_MODE
dnl Checks for programs.
AC_PROG_MAKE_SET
AM_SANITY_CHECK
missing_dir=`cd $ac_aux_dir && pwd`
AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
AC_PROG_CC
AC_PROG_CPP
AC_PATH_PROG(PERL,"perl")
AC_ISC_POSIX
AC_SYS_LARGEFILE
AC_PROG_INSTALL
AC_PROG_AWK
AC_CHECK_PROG(DOCBOOK_TO_MAN, docbook-to-man, yes, no)
AM_CONDITIONAL(HAVE_DOCBOOK_TO_MAN, test "$ac_cv_prog_DOCBOOK_TO_MAN" = yes)
GNUPG_CHECK_FAQPROG
GNUPG_CHECK_DOCBOOK_TO_TEXI
MPI_OPT_FLAGS=""
try_gettext=yes
case "${target}" in
*-*-mingw32*)
# special stuff for Windoze NT
ac_cv_have_dev_random=no
AC_DEFINE(USE_ONLY_8DOT3,1,
[set this to limit filenames to the 8.3 format])
AC_DEFINE(HAVE_DRIVE_LETTERS,1,
[defined if we must run on a stupid file system])
AC_DEFINE(HAVE_DOSISH_SYSTEM,1,
[defined if we run on some of the PCDOS like systems
(DOS, Windoze. OS/2) with special properties like
no file modes])
AC_DEFINE(USE_SIMPLE_GETTEXT,1,
[because the Unix gettext has too much overhead on
MingW32 systems and these systems lack Posix functions,
we use a simplified version of gettext])
try_gettext="no"
;;
i?86-emx-os2 | i?86-*-os2*emx )
# OS/2 with the EMX environment
ac_cv_have_dev_random=no
AC_DEFINE(HAVE_DRIVE_LETTERS)
AC_DEFINE(HAVE_DOSISH_SYSTEM)
try_gettext="no"
;;
i?86-*-msdosdjgpp*)
# DOS with the DJGPP environment
ac_cv_have_dev_random=no
AC_DEFINE(HAVE_DRIVE_LETTERS)
AC_DEFINE(HAVE_DOSISH_SYSTEM)
try_gettext="no"
;;
*-*-freebsd*)
# FreeBSD
CPPFLAGS="$CPPFLAGS -I/usr/local/include"
LDFLAGS="$LDFLAGS -L/usr/local/lib"
;;
*-*-hpux*)
if test -z "$GCC" ; then
CFLAGS="$CFLAGS -Ae -D_HPUX_SOURCE"
fi
;;
*-dec-osf4*)
if test -z "$GCC" ; then
# Suppress all warnings
# to get rid of the unsigned/signed char mismatch warnings.
CFLAGS="$CFLAGS -w"
fi
;;
*-dec-osf5*)
if test -z "$GCC" ; then
# Use the newer compiler `-msg_disable ptrmismatch' to
# get rid of the unsigned/signed char mismatch warnings.
# Using this may hide other pointer mismatch warnings, but
# it at least lets other warning classes through
CFLAGS="$CFLAGS -msg_disable ptrmismatch"
fi
;;
m68k-atari-mint)
;;
*)
;;
esac
AC_SUBST(MPI_OPT_FLAGS)
GNUPG_SYS_SYMBOL_UNDERSCORE
dnl Must check for network library requirements before doing link tests
dnl for ldap, for example. If ldap libs are static (or dynamic and without
dnl ELF runtime link paths), then link will fail and LDAP support won't
dnl be detected.
AC_CHECK_FUNC(gethostbyname, , AC_CHECK_LIB(nsl, gethostbyname,
[NETLIBS="-lnsl $NETLIBS"]))
AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt,
[NETLIBS="-lsocket $NETLIBS"]))
# Try and link a LDAP test program to weed out unusable LDAP
# libraries. -lldap [-llber [-lresolv]] is for OpenLDAP. OpenLDAP in
# general is terrible with creating weird dependencies. If all else
# fails, the user can play guess-the-dependency by using something
# like LDAPLIBS="-lfoo" ./configure
if test "$try_ldap" = yes ; then
for MY_LDAPLIBS in ${LDAPLIBS+"$LDAPLIBS"} "-lldap" "-lldap -llber" "-lldap -llber -lresolv"; do
_ldap_save_libs=$LIBS
LIBS="$MY_LDAPLIBS $NETLIBS $LIBS"
AC_MSG_CHECKING([whether LDAP via \"$MY_LDAPLIBS\" is present and sane])
AC_TRY_LINK([#include <ldap.h>],[ldap_open("foobar",1234);],
[gnupg_cv_func_ldap_init=yes],[gnupg_cv_func_ldap_init=no])
AC_MSG_RESULT([$gnupg_cv_func_ldap_init])
if test $gnupg_cv_func_ldap_init = no; then
AC_MSG_CHECKING([whether I can make LDAP be sane with lber.h])
AC_TRY_LINK([#include <lber.h>
#include <ldap.h>],[ldap_open("foobar",1234);],
[gnupg_cv_func_ldaplber_init=yes],[gnupg_cv_func_ldaplber_init=no])
AC_MSG_RESULT([$gnupg_cv_func_ldaplber_init])
fi
if test "$gnupg_cv_func_ldaplber_init" = yes ; then
AC_DEFINE(NEED_LBER_H,1,[Define if the LDAP library requires including lber.h before ldap.h])
fi
if test "$gnupg_cv_func_ldap_init" = yes || \
test "$gnupg_cv_func_ldaplber_init" = yes ; then
GPGKEYS_LDAP="gpgkeys_ldap$EXEEXT"
LDAPLIBS=$MY_LDAPLIBS
fi
LIBS=$_ldap_save_libs
if test "$GPGKEYS_LDAP" != "" ; then break; fi
done
fi
AC_SUBST(GPGKEYS_LDAP)
AC_SUBST(LDAPLIBS)
dnl This isn't necessarily sendmail itself, but anything that gives a
dnl sendmail-ish interface to the outside world. That includes qmail,
dnl postfix, etc. Basically, anything that can handle "sendmail -t".
if test "$try_mailto" = yes ; then
AC_ARG_WITH(mailprog,[ --with-mailprog=NAME use "NAME -t" for mail transport],,with_mailprog=yes)
if test "$with_mailprog" = yes ; then
AC_PATH_PROG(SENDMAIL,sendmail,,$PATH:/usr/sbin:/usr/libexec:/usr/lib)
if test "$ac_cv_path_SENDMAIL" ; then
GPGKEYS_MAILTO="gpgkeys_mailto"
fi
elif test "$with_mailprog" != no ; then
AC_MSG_CHECKING([for a mail transport program])
AC_SUBST(SENDMAIL,$with_mailprog)
AC_MSG_RESULT($with_mailprog)
GPGKEYS_MAILTO="gpgkeys_mailto"
fi
fi
AC_SUBST(GPGKEYS_MAILTO)
AC_SUBST(GPGKEYS_HKP)
case "${target}" in
*-*-mingw32*)
PRINTABLE_OS_NAME="MingW32"
;;
*-*-cygwin*)
PRINTABLE_OS_NAME="Cygwin"
;;
i?86-emx-os2 | i?86-*-os2*emx )
PRINTABLE_OS_NAME="OS/2"
;;
i?86-*-msdosdjgpp*)
PRINTABLE_OS_NAME="MSDOS/DJGPP"
try_dynload=no
;;
*-linux*)
PRINTABLE_OS_NAME="GNU/Linux"
;;
dnl let that after linux to avoid gnu-linux problems
*-gnu*)
PRINTABLE_OS_NAME="GNU/Hurd"
;;
*)
PRINTABLE_OS_NAME=`uname -s || echo "Unknown"`
;;
esac
AC_DEFINE_UNQUOTED(PRINTABLE_OS_NAME, "$PRINTABLE_OS_NAME",
[A human readable text with the name of the OS])
#
# 1. Set names of random devices
#
NAME_OF_DEV_RANDOM="/dev/random"
NAME_OF_DEV_URANDOM="/dev/urandom"
case "${target}" in
*-openbsd*)
NAME_OF_DEV_RANDOM="/dev/srandom"
NAME_OF_DEV_URANDOM="/dev/urandom"
;;
esac
AC_DEFINE_UNQUOTED(NAME_OF_DEV_RANDOM, "$NAME_OF_DEV_RANDOM",
[defined to the name of the strong random device])
AC_DEFINE_UNQUOTED(NAME_OF_DEV_URANDOM, "$NAME_OF_DEV_URANDOM",
[defined to the name of the weaker random device])
AC_SUBST(MPI_OPT_FLAGS)
dnl Checks for libraries.
if test "$try_gettext" = yes; then
AM_GNU_GETTEXT
else
USE_NLS=no
USE_INCLUDED_LIBINTL=no
BUILD_INCLUDED_LIBINTL=no
AC_SUBST(USE_NLS)
AC_SUBST(USE_INCLUDED_LIBINTL)
AC_SUBST(BUILD_INCLUDED_LIBINTL)
fi
if test "$try_dynload" = yes ; then
AC_CHECK_LIB(dl,dlopen)
if test "$ac_cv_lib_dl_dlopen" = "yes"; then
AC_DEFINE(USE_DYNAMIC_LINKING,1,
[define to enable the use of extensions])
AC_DEFINE(HAVE_DL_DLOPEN,1,
[Defined when the dlopen function family is available])
else
AC_CHECK_FUNCS(dlopen)
if test "$ac_cv_func_dlopen" = "yes"; then
AC_DEFINE(USE_DYNAMIC_LINKING)
AC_DEFINE(HAVE_DL_DLOPEN)
fi
fi
else
AC_MSG_CHECKING(for dynamic loading)
DYNLINK_LDFLAGS=
DYNLINK_MOD_CFLAGS=
AC_MSG_RESULT(has been disabled)
fi
dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(unistd.h langinfo.h termio.h locale.h)
dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_C_VOLATILE
AC_TYPE_SIZE_T
AC_TYPE_MODE_T
AC_TYPE_SIGNAL
AC_DECL_SYS_SIGLIST
GNUPG_CHECK_ENDIAN
GNUPG_CHECK_TYPEDEF(byte, HAVE_BYTE_TYPEDEF)
GNUPG_CHECK_TYPEDEF(ushort, HAVE_USHORT_TYPEDEF)
GNUPG_CHECK_TYPEDEF(ulong, HAVE_ULONG_TYPEDEF)
GNUPG_CHECK_TYPEDEF(u16, HAVE_U16_TYPEDEF)
GNUPG_CHECK_TYPEDEF(u32, HAVE_U32_TYPEDEF)
AC_CHECK_SIZEOF(unsigned short, 2)
AC_CHECK_SIZEOF(unsigned int, 4)
AC_CHECK_SIZEOF(unsigned long, 4)
AC_CHECK_SIZEOF(unsigned long long, 0)
if test "$ac_cv_sizeof_unsigned_short" = "0" \
|| test "$ac_cv_sizeof_unsigned_int" = "0" \
|| test "$ac_cv_sizeof_unsigned_long" = "0"; then
AC_MSG_WARN([Hmmm, something is wrong with the sizes - using defaults]);
fi
dnl Checks for library functions.
AC_FUNC_FSEEKO
AC_FUNC_VPRINTF
AC_FUNC_FORK
AC_CHECK_FUNCS(strerror stpcpy strsep strlwr tcgetattr strtoul mmap)
AC_CHECK_FUNCS(strcasecmp strncasecmp)
AC_CHECK_FUNCS(memmove gettimeofday getrusage setrlimit clock_gettime)
AC_CHECK_FUNCS(atexit raise getpagesize strftime nl_langinfo setlocale)
AC_CHECK_FUNCS(waitpid wait4 sigaction sigprocmask rand pipe stat)
AC_REPLACE_FUNCS(mkdtemp)
#
# check for gethrtime and run a testprogram to see whether
# it is broken. It has been reported that some Solaris and HP UX systems
# raise an SIGILL
#
AC_CACHE_CHECK([for gethrtime],
[gnupg_cv_func_gethrtime],
[AC_TRY_LINK([#include <sys/times.h>],[
hrtime_t tv;
tv = gethrtime();
],
[gnupg_cv_func_gethrtime=yes],
[gnupg_cv_func_gethrtime=no])
])
if test $gnupg_cv_func_gethrtime = yes; then
AC_DEFINE([HAVE_GETHRTIME], 1,
[Define if you have the `gethrtime(2)' function.])
AC_CACHE_CHECK([whether gethrtime is broken],
[gnupg_cv_func_broken_gethrtime],
[AC_TRY_RUN([
#include <sys/times.h>
int main () {
hrtime_t tv;
tv = gethrtime();
}
],
[gnupg_cv_func_broken_gethrtime=no],
[gnupg_cv_func_broken_gethrtime=yes],
[gnupg_cv_func_broken_gethrtime=assume-no])
])
if test $gnupg_cv_func_broken_gethrtime = yes; then
AC_DEFINE([HAVE_BROKEN_GETHRTIME], 1,
[Define if `gethrtime(2)' does not work correctly i.e. issues a SIGILL.])
fi
fi
GNUPG_CHECK_MLOCK
GNUPG_FUNC_MKDIR_TAKES_ONE_ARG
dnl
dnl Check whether we can use Linux capabilities as requested
dnl
if test "$use_capabilities" = "yes" ; then
use_capabilities=no
AC_CHECK_HEADERS(sys/capability.h)
if test "$ac_cv_header_sys_capability_h" = "yes" ; then
AC_CHECK_LIB(cap, cap_init, ac_need_libcap=1)
if test "$ac_cv_lib_cap_cap_init" = "yes"; then
AC_DEFINE(USE_CAPABILITIES,1,
[define if capabilities should be used])
LIBS="$LIBS -lcap"
use_capabilities=yes
fi
fi
if test "$use_capabilities" = "no" ; then
AC_MSG_WARN([[
***
*** The use of capabilities on this system is not possible.
*** You need a recent Linux kernel and some patches:
*** fcaps-2.2.9-990610.patch (kernel patch for 2.2.9)
*** fcap-module-990613.tar.gz (kernel module)
*** libcap-1.92.tar.gz (user mode library and utilities)
*** And you have to configure the kernel with CONFIG_VFS_CAP_PLUGIN
*** set (filesystems menu). Be warned: This code is *really* ALPHA.
***]])
fi
fi
GNUPG_CHECK_IPC
if test "$ac_cv_header_sys_shm_h" = "yes"; then
AC_DEFINE(USE_SHM_COPROCESSING,1,
[define if the shared memory interface should be made available])
fi
dnl
dnl check whether we have a random device
dnl
if test "$try_dev_random" = yes ; then
AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
[if test -r "$NAME_OF_DEV_RANDOM" && test -r "$NAME_OF_DEV_URANDOM" ; then
ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
if test "$ac_cv_have_dev_random" = yes; then
AC_DEFINE(HAVE_DEV_RANDOM,1,
[defined if the system supports a random device] )
fi
else
AC_MSG_CHECKING(for random device)
ac_cv_have_dev_random=no
AC_MSG_RESULT(has been disabled)
fi
dnl
dnl Figure out the default random module.
dnl
random_modules=""
if test "$use_static_rnd" = default; then
if test "$ac_cv_have_dev_random" = yes; then
random_modules="rndlinux"
else
case "${target}" in
*-*-mingw32*|*-*-cygwin*)
random_modules="rndw32"
;;
i?86-emx-os2|i?86-*-os2*emx)
random_modules="rndos2"
;;
m68k-atari-mint)
random_modules="rndatari"
;;
i?86-*-msdosdjgpp*)
:
;;
*)
random_modules="rndlinux rndegd rndunix"
AC_DEFINE(USE_ALL_RANDOM_MODULES, 1,
[Allow to select random modules at runtime.])
;;
esac
fi
else
if test "$use_static_rnd" = auto; then
random_modules="rndlinux rndegd rndunix"
AC_DEFINE(USE_ALL_RANDOM_MODULES, 1)
else
random_modules="rnd$use_static_rnd";
fi
fi
if test -z "$random_modules"; then
AC_MSG_ERROR(no random module available)
fi
print_egd_warning=no
for rndmod in $random_modules "" ; do
case "$rndmod" in
rndlinux)
AC_DEFINE(USE_RNDLINUX,1,
[Defined if the /dev/random based RNG should be used.])
;;
rndunix)
AC_DEFINE(USE_RNDUNIX,1,
[Defined if the default Unix RNG should be used.])
print_egd_warning=yes
;;
rndegd)
AC_DEFINE(USE_RNDEGD,1,
[Defined if the EGD based RNG should be used.])
EGDLIBS=$NETLIBS
AC_SUBST(EGDLIBS)
;;
rndw32)
AC_DEFINE(USE_RNDW32,1,
[Defined if the Windows specific RNG should be used.])
;;
esac
done
dnl setup assembler stuff
AC_MSG_CHECKING(for mpi assembler functions)
if test -f $srcdir/mpi/config.links ; then
. $srcdir/mpi/config.links
AC_CONFIG_LINKS("$mpi_ln_list")
ac_cv_mpi_extra_asm_modules="$mpi_extra_modules"
ac_cv_mpi_sflags="$mpi_sflags"
ac_cv_mpi_config_done="yes"
AC_MSG_RESULT(done)
else
AC_MSG_RESULT(failed)
AC_MSG_ERROR([mpi/config.links missing!])
fi
MPI_EXTRA_ASM_OBJS=""
show_extraasm=""
if test "$ac_cv_mpi_extra_asm_modules" != ""; then
for i in $ac_cv_mpi_extra_asm_modules; do
show_extraasm="$show_extraasm $i"
MPI_EXTRA_ASM_OBJS="$MPI_EXTRA_ASM_OBJS $i.o"
done
fi
AC_SUBST(MPI_EXTRA_ASM_OBJS)
MPI_SFLAGS="$ac_cv_mpi_sflags"
AC_SUBST(MPI_SFLAGS)
dnl Do we have zlib? Must do it here because Solaris failed
dnl when compiling a conftest (due to the "-lz" from LIBS).
use_local_zlib=yes
if test "$g10_force_zlib" = "yes"; then
:
else
_cppflags="${CPPFLAGS}"
_ldflags="${LDFLAGS}"
AC_ARG_WITH(zlib,
[ --with-zlib=DIR use libz in DIR],[
if test -d "$withval"; then
CPPFLAGS="${CPPFLAGS} -I$withval/include"
LDFLAGS="${LDFLAGS} -L$withval/lib"
fi
])
AC_CHECK_HEADER(zlib.h,
AC_CHECK_LIB(z, deflateInit2_,
use_local_zlib=no
LIBS="$LIBS -lz",
CPPFLAGS=${_cppflags} LDFLAGS=${_ldflags}),
CPPFLAGS=${_cppflags} LDFLAGS=${_ldflags})
fi
if test "$use_local_zlib" = yes ; then
AM_CONDITIONAL(ENABLE_LOCAL_ZLIB, true)
AC_CONFIG_LINKS(zlib.h:zlib/zlib.h zconf.h:zlib/zconf.h )
ZLIBS="../zlib/libzlib.a"
else
AM_CONDITIONAL(ENABLE_LOCAL_ZLIB, false)
ZLIBS=
fi
AC_SUBST(ZLIBS)
# Allow users to append something to the version string without
# flagging it as development version. The user version parts is
# considered everything after a dash.
if test "$development_version" != yes; then
changequote(,)dnl
tmp_pat='[a-zA-Z]'
changequote([,])dnl
if echo "$VERSION" | sed 's/-.*//' | grep "$tmp_pat" >/dev/null ; then
development_version=yes
fi
fi
if test "$development_version" = yes; then
AC_DEFINE(IS_DEVELOPMENT_VERSION,1,
[Defined if this is not a regular release])
fi
AM_CONDITIONAL(CROSS_COMPILING, test x$cross_compiling = xyes)
GNUPG_CHECK_GNUMAKE
# add some extra libs here so that previous tests don't fail for
# mysterious reasons - the final link step should bail out.
case "${target}" in
*-*-mingw32*)
LIBS="$LIBS -lwsock32"
;;
*)
;;
esac
if test "$GCC" = yes; then
if test "$USE_MAINTAINER_MODE" = "yes"; then
CFLAGS="$CFLAGS -Wall -Wcast-align -Wshadow -Wstrict-prototypes"
else
CFLAGS="$CFLAGS -Wall"
fi
fi
AC_SUBST(NETLIBS)
if test "$print_egd_warning" = yes; then
AC_MSG_WARN([[
***
*** The performance of the UNIX random gatherer module is not very good
*** and it does not keep the entropy pool over multiple invocations of
*** GnuPG. The suggested way to overcome this problem is to use the
***
*** Entropy Gathering Daemon (EGD)
***
*** which provides a entropy source for the whole system. It is written
*** in Perl and available at the GnuPG FTP servers. For more information
*** consult the GnuPG webpages:
***
*** http://www.gnupg.org/download.html#egd
***
*** You may want to run ./configure with --enable-static-rnd=egd to use it.
***]])
fi
# Note the \\\\ for backslashes. Autoconf eats one layer, leaving \\
AC_SUBST(GNUPG_LIBEXECDIR,"${libexecdir}/gnupg")
AC_CONFIG_COMMANDS(g10defs.h,[[
cat >g10defs.tmp <<G10EOF
/* Generated automatically by configure */
#ifdef HAVE_DRIVE_LETTERS
#define G10_LOCALEDIR "c:\\\\lib\\\\gnupg\\\\locale"
#define GNUPG_LIBDIR "c:\\\\lib\\\\gnupg"
#define GNUPG_LIBEXECDIR "c:\\\\lib\\\\gnupg"
#define GNUPG_DATADIR "c:\\\\lib\\\\gnupg"
#define GNUPG_HOMEDIR "c:\\\\gnupg"
#else
#define G10_LOCALEDIR "${datadir}/locale"
#define GNUPG_LIBDIR "${libdir}/gnupg"
#define GNUPG_LIBEXECDIR "${libexecdir}/gnupg"
#define GNUPG_DATADIR "${datadir}/gnupg"
#ifdef __VMS
#define GNUPG_HOMEDIR "/SYS\$LOGIN/gnupg"
#else
#define GNUPG_HOMEDIR "~/.gnupg"
#endif
#endif
/* those are here to be redefined by handcrafted g10defs.h.
Please note that the string version must not contain more
than one character because the using code assumes strlen()==1 */
#ifdef HAVE_DOSISH_SYSTEM
#define DIRSEP_C '\\\\'
#define EXTSEP_C '.'
#define DIRSEP_S "\\\\"
#define EXTSEP_S "."
#else
#define DIRSEP_C '/'
#define EXTSEP_C '.'
#define DIRSEP_S "/"
#define EXTSEP_S "."
#endif
G10EOF
cat mpi/mpi-asm-defs.h >>g10defs.tmp
if cmp -s g10defs.h g10defs.tmp 2>/dev/null; then
echo "g10defs.h is unchanged"
rm -f g10defs.tmp
else
rm -f g10defs.h
mv g10defs.tmp g10defs.h
echo "g10defs.h created"
fi
]],[[
prefix=$prefix
exec_prefix=$exec_prefix
libdir=$libdir
libexecdir=$libexecdir
datadir=$datadir
DATADIRNAME=$DATADIRNAME
]])
AC_CONFIG_FILES([
Makefile
intl/Makefile
po/Makefile.in
util/Makefile
mpi/Makefile
cipher/Makefile
g10/Makefile
keyserver/Makefile
keyserver/gpgkeys_mailto
keyserver/gpgkeys_test
doc/Makefile
tools/Makefile
zlib/Makefile
checks/Makefile
])
AC_OUTPUT
# Give some feedback
echo
echo " Configured for: $PRINTABLE_OS_NAME ($target)"
if test -n "$show_extraasm"; then
echo " Extra cpu specific functions:$show_extraasm"
fi
echo
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