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mirror of git://git.gnupg.org/gnupg.git synced 2024-12-23 10:29:58 +01:00
gnupg/configure.ac
David Shaw 45bbdcc57c * NEWS: Note --enable-key-cache, the OpenBSD/i386 and HPPA fixes, and
Elgamal removal.

* README, configure.ac: Add --enable-key-cache=SIZE configure option.
This sets the key/uid cache size.  Default is 4096.
2004-01-28 01:00:53 +00:00

1261 lines
38 KiB
Plaintext

dnl Configure.ac script for GnuPG
dnl Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003
dnl 2004 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(2.57)
# Remember to change the version number immediately *after* a release
# and remove the "-cvs" or "rc" suffix immediately *before* a release.
AC_INIT(gnupg, 1.3.5-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=yes
AC_CONFIG_AUX_DIR(scripts)
AC_CONFIG_SRCDIR(g10/g10.c)
AC_CANONICAL_TARGET
AM_INIT_AUTOMAKE
AM_CONFIG_HEADER(config.h)
AC_GNU_SOURCE
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($try_dev_random)
dnl
dnl Check other options
dnl
AC_MSG_CHECKING([whether assembler modules are requested])
AC_ARG_ENABLE(asm,
[ --disable-asm do not use assembler modules],
try_asm_modules=$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 OpenPGP card support is requested])
AC_ARG_ENABLE(card-support,
[ --enable-card-support enable OpenPGP card support],
card_support=$enableval, card_support=no)
AC_MSG_RESULT($card_support)
dnl See if we are disabling any algorithms or features for a smaller
dnl binary
try_extensions=no
use_rsa=yes
use_idea=yes
use_cast5=yes
use_blowfish=yes
use_aes=yes
use_twofish=yes
use_sha256=yes
use_sha512=yes
use_bzip2=yes
use_exec=yes
AC_ARG_ENABLE(minimal,
AC_HELP_STRING([--enable-minimal],[build the smallest gpg binary possible]),
use_rsa=no
use_idea=no
use_cast5=no
use_blowfish=no
use_aes=no
use_twofish=no
use_sha256=no
use_sha512=no
use_bzip2=no
use_exec=no)
AC_MSG_CHECKING([whether to enable the RSA public key algorithm])
AC_ARG_ENABLE(rsa,
AC_HELP_STRING([--disable-rsa],[disable the RSA public key algorithm]),
use_rsa=$enableval)
AC_MSG_RESULT($use_rsa)
if test x"$use_rsa" = xyes ; then
AC_DEFINE(USE_RSA,1,[Define to include the RSA public key algorithm])
fi
AC_MSG_CHECKING([whether to enable the IDEA cipher])
AC_ARG_ENABLE(idea,
AC_HELP_STRING([--disable-idea],[disable the IDEA cipher]),
use_idea=$enableval)
AC_MSG_RESULT($use_idea)
if test x"$use_idea" = xyes ; then
AC_DEFINE(USE_IDEA,1,[Define to include the IDEA cipher])
# 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 idea cipher module])
tmp=""
if test -f $srcdir/cipher/idea.c; then
IDEA_O=idea.o
tmp=idea
else
IDEA_O=idea-stub.o
tmp=no
try_extensions=yes
fi
AC_SUBST(IDEA_O)
AC_MSG_RESULT($tmp)
fi
AC_MSG_CHECKING([whether to enable the CAST5 cipher])
AC_ARG_ENABLE(cast5,
AC_HELP_STRING([--disable-cast5],[disable the CAST5 cipher]),
use_cast5=$enableval)
AC_MSG_RESULT($use_cast5)
if test x"$use_cast5" = xyes ; then
AC_DEFINE(USE_CAST5,1,[Define to include the CAST5 cipher])
fi
AC_MSG_CHECKING([whether to enable the BLOWFISH cipher])
AC_ARG_ENABLE(blowfish,
AC_HELP_STRING([--disable-blowfish],[disable the BLOWFISH cipher]),
use_blowfish=$enableval)
AC_MSG_RESULT($use_blowfish)
if test x"$use_blowfish" = xyes ; then
AC_DEFINE(USE_BLOWFISH,1,[Define to include the BLOWFISH cipher])
fi
AC_MSG_CHECKING([whether to enable the AES ciphers])
AC_ARG_ENABLE(aes,
AC_HELP_STRING([--disable-aes],[disable the AES, AES192, and AES256 ciphers]),
use_aes=$enableval)
AC_MSG_RESULT($use_aes)
if test x"$use_aes" = xyes ; then
AC_DEFINE(USE_AES,1,[Define to include the AES, AES192, and AES256 ciphers])
fi
AC_MSG_CHECKING([whether to enable the TWOFISH cipher])
AC_ARG_ENABLE(twofish,
AC_HELP_STRING([--disable-twofish],[disable the TWOFISH cipher]),
use_twofish=$enableval)
AC_MSG_RESULT($use_twofish)
if test x"$use_twofish" = xyes ; then
AC_DEFINE(USE_TWOFISH,1,[Define to include the TWOFISH cipher])
fi
AC_MSG_CHECKING([whether to enable the SHA-256 digest])
AC_ARG_ENABLE(sha256,
AC_HELP_STRING([--disable-sha256],[disable the SHA-256 digest]),
use_sha256=$enableval)
AC_MSG_RESULT($use_sha256)
if test x"$use_sha256" = xyes ; then
AC_DEFINE(USE_SHA256,1,[Define to include the SHA-256 digest])
fi
dnl SHA512 is defined only after we confirm 64-bit support later
AC_MSG_CHECKING([whether to enable the SHA-384 and SHA-512 digests])
AC_ARG_ENABLE(sha512,
AC_HELP_STRING([--disable-sha512],[disable the SHA-384 and SHA-512 digests]),
use_sha512=$enableval)
AC_MSG_RESULT($use_sha512)
dnl BZLIB is defined only after we confirm the library is available later
AC_MSG_CHECKING([whether to enable the BZIP2 compression algorithm])
AC_ARG_ENABLE(bzip2,
AC_HELP_STRING([--disable-bzip2],[disable the BZIP2 compression algorithm]),
use_bzip2=$enableval)
AC_MSG_RESULT($use_bzip2)
AC_MSG_CHECKING([whether to enable external program execution])
AC_ARG_ENABLE(exec,
AC_HELP_STRING([--disable-exec],[disable all external program execution]),
use_exec=$enableval)
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($try_ldap)
AC_MSG_CHECKING([whether HKP keyserver support is requested])
AC_ARG_ENABLE(hkp,
[ --disable-hkp disable HKP keyserver interface],
try_hkp=$enableval, try_hkp=yes)
AC_MSG_RESULT($try_hkp)
AC_MSG_CHECKING([whether email keyserver support is requested])
AC_ARG_ENABLE(mailto,
[ --disable-mailto disable email keyserver interface],
try_mailto=$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($enableval)
fi
AC_MSG_CHECKING([whether the included zlib is requested])
AC_ARG_WITH(included-zlib,
[ --with-included-zlib use the zlib code included here],
[g10_force_zlib=yes], [g10_force_zlib=no] )
AC_MSG_RESULT($g10_force_zlib)
dnl
dnl Check for the key/uid cache size. This can't be zero, but can be
dnl pretty small on embedded systems.
dnl
AC_MSG_CHECKING([for the size of the key and uid cache])
AC_ARG_ENABLE(key-cache,
AC_HELP_STRING([--enable-key-cache=SIZE],[Set key cache to SIZE (default 4096)]),,enableval=4096)
if test "$enableval" = "no"; then
enableval=5
elif test "$enableval" = "yes" || test "$enableval" = ""; then
enableval=4096
fi
changequote(,)dnl
key_cache_size=`echo "$enableval" | sed 's/[A-Za-z]//g'`
changequote([,])dnl
if test "$enableval" != "$key_cache_size" || test "$key_cache_size" -lt 5; then
AC_MSG_ERROR([invalid key-cache size])
fi
AC_MSG_RESULT($key_cache_size)
AC_DEFINE_UNQUOTED(PK_UID_CACHE_SIZE,$key_cache_size,[Size of the key and UID caches])
dnl
dnl Check whether we want to use Linux capabilities
dnl
AC_MSG_CHECKING([whether use of capabilities is requested])
AC_ARG_WITH(capabilities,
[ --with-capabilities use linux capabilities [default=no]],
[use_capabilities="$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
/* This is the major version number of GnuPG so that
source included files can test for this. */
#define GNUPG_MAJOR_VERSION 1
#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, $missing_dir)
AC_PROG_CC
AC_PROG_CPP
AC_PROG_RANLIB
AC_CHECK_TOOL(AR, ar, :)
AC_PATH_PROG(PERL,"perl")
AC_ISC_POSIX
AC_SYS_LARGEFILE
AC_PROG_INSTALL
AC_PROG_AWK
AC_CHECK_PROG(DOCBOOK_TO_MAN, docbook-to-man, yes, no)
AM_CONDITIONAL(HAVE_DOCBOOK_TO_MAN, test "$ac_cv_prog_DOCBOOK_TO_MAN" = yes)
GNUPG_CHECK_FAQPROG
GNUPG_CHECK_DOCBOOK_TO_TEXI
MPI_OPT_FLAGS=""
try_gettext=yes
have_dosish_system=no
need_dlopen=yes
case "${target}" in
*-*-mingw32*)
# special stuff for Windoze NT
ac_cv_have_dev_random=no
AC_DEFINE(USE_ONLY_8DOT3,1,
[set this to limit filenames to the 8.3 format])
AC_DEFINE(HAVE_DRIVE_LETTERS,1,
[defined if we must run on a stupid file system])
AC_DEFINE(USE_SIMPLE_GETTEXT,1,
[because the Unix gettext has too much overhead on
MingW32 systems and these systems lack Posix functions,
we use a simplified version of gettext])
have_dosish_system=yes
need_dlopen=no
try_gettext="no"
;;
i?86-emx-os2 | i?86-*-os2*emx )
# OS/2 with the EMX environment
ac_cv_have_dev_random=no
AC_DEFINE(HAVE_DRIVE_LETTERS)
have_dosish_system=yes
try_gettext="no"
;;
i?86-*-msdosdjgpp*)
# DOS with the DJGPP environment
ac_cv_have_dev_random=no
AC_DEFINE(HAVE_DRIVE_LETTERS)
have_dosish_system=yes
try_gettext="no"
;;
*-*-freebsd*)
# FreeBSD
CPPFLAGS="$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="$CFLAGS -msg_disable ptrmismatch"
fi
;;
m68k-atari-mint)
;;
*)
;;
esac
if test "$have_dosish_system" = yes; then
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])
fi
AM_CONDITIONAL(HAVE_DOSISH_SYSTEM, test "$have_dosish_system" = yes)
AC_SUBST(MPI_OPT_FLAGS)
GNUPG_SYS_SYMBOL_UNDERSCORE
dnl This needs to go after AC_PROG_CC so that $EXEEXT is defined
if test "$try_hkp" = yes ; then
AC_SUBST(GPGKEYS_HKP,"gpgkeys_hkp$EXEEXT")
fi
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 $NETLIBS"]))
dnl Now try for the resolver functions so we can use DNS SRV
AC_ARG_ENABLE(dns-srv,
AC_HELP_STRING([--disable-dns-srv],[disable the use of DNS SRV in HKP]),
use_dns_srv=$enableval,use_dns_srv=yes)
if test x"$try_hkp" = xyes && test x"$use_dns_srv" = xyes ; then
_srv_save_libs=$LIBS
LIBS=""
# the double underscore thing is a glibc-ism?
AC_SEARCH_LIBS(res_query,resolv bind,,
AC_SEARCH_LIBS(__res_query,resolv bind,,use_dns_srv=no))
AC_SEARCH_LIBS(dn_expand,resolv bind,,
AC_SEARCH_LIBS(__dn_expand,resolv bind,,use_dns_srv=no))
AC_SEARCH_LIBS(dn_skipname,resolv bind,,
AC_SEARCH_LIBS(__dn_skipname,resolv bind,,use_dns_srv=no))
if test x"$use_dns_srv" = xyes ; then
# Make sure that the BIND 4 resolver interface is workable before
# enabling SRVs. At some point I'll rewrite the code to use the
# BIND 8 resolver API.
AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <sys/types.h>
#include <netinet/in.h>
#include <arpa/nameser.h>
#include <resolv.h>],
[[unsigned char answer[PACKETSZ]; res_query("foo.bar",C_IN,T_A,answer,PACKETSZ);]])],,use_dns_srv=no)
fi
if test x"$use_dns_srv" = xyes ; then
AC_DEFINE(USE_DNS_SRV,1,[define to use DNS SRV])
SRVLIBS=$LIBS
else
AC_MSG_NOTICE([Resolver functions not found or not usable. Disabling DNS SRV.])
fi
LIBS=$_srv_save_libs
fi
AC_SUBST(SRVLIBS)
# Try and link a LDAP test program to weed out unusable LDAP
# libraries. -lldap [-llber [-lresolv]] is for OpenLDAP. OpenLDAP in
# general is terrible with creating weird dependencies. If all else
# fails, the user can play guess-the-dependency by using something
# like ./configure LDAPLIBS="-Lfoo -lbar"
if test "$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 "$gnupg_cv_func_ldaplber_init" = yes ; then
LDAPLIBS=$MY_LDAPLIBS
GPGKEYS_LDAP="gpgkeys_ldap$EXEEXT"
AC_MSG_CHECKING([whether LDAP supports ldap_get_option])
if test "$gnupg_cv_func_ldap_init" = yes ; then
AC_TRY_LINK([#include <ldap.h>],
[ldap_get_option((void *)0,0,(void *)0);],
[gnupg_cv_func_ldap_get_option=yes],
[gnupg_cv_func_ldap_get_option=no])
else
AC_TRY_LINK([#include <lber.h>
#include <ldap.h>],[ldap_get_option((void *)0,0,(void *)0);],
[gnupg_cv_func_ldap_get_option=yes],
[gnupg_cv_func_ldap_get_option=no])
fi
AC_MSG_RESULT([$gnupg_cv_func_ldap_get_option])
if test "$gnupg_cv_func_ldap_get_option" = yes ; then
AC_DEFINE(HAVE_LDAP_GET_OPTION,1,[Define if the LDAP library has ldap_get_option])
else
AC_MSG_CHECKING([whether LDAP supports ld_errno])
if test "$gnupg_cv_func_ldap_init" = yes ; then
AC_TRY_COMPILE([#include <ldap.h>],
[LDAP *ldap; ldap->ld_errno;],
[gnupg_cv_func_ldap_ld_errno=yes],
[gnupg_cv_func_ldap_ld_errno=no])
else
AC_TRY_LINK([#include <lber.h>
#include <ldap.h>],[LDAP *ldap; ldap->ld_errno;],
[gnupg_cv_func_ldap_ld_errno=yes],
[gnupg_cv_func_ldap_ld_errno=no])
fi
AC_MSG_RESULT([$gnupg_cv_func_ldap_ld_errno])
if test "$gnupg_cv_func_ldap_ld_errno" = yes ; then
AC_DEFINE(HAVE_LDAP_LD_ERRNO,1,[Define if the LDAP library supports ld_errno])
fi
fi
fi
LIBS=$_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)
case "${target}" in
*-*-mingw32*)
PRINTABLE_OS_NAME="MingW32"
;;
*-*-cygwin*)
PRINTABLE_OS_NAME="Cygwin"
;;
i?86-emx-os2 | i?86-*-os2*emx )
PRINTABLE_OS_NAME="OS/2"
;;
i?86-*-msdosdjgpp*)
PRINTABLE_OS_NAME="MSDOS/DJGPP"
try_extensions=no
;;
*-linux*)
PRINTABLE_OS_NAME="GNU/Linux"
;;
*)
PRINTABLE_OS_NAME=`uname -s || echo "Unknown"`
;;
esac
AC_DEFINE_UNQUOTED(PRINTABLE_OS_NAME, "$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(,[need-ngettext])
# gettext requires some extra checks. These really should be part of
# the basic AM_GNU_GETTEXT macro. TODO: move other gettext-specific
# function checks to here.
AC_CHECK_FUNCS(strchr)
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 "$try_extensions" = yes || test x"$card_support" = xyes ; then
if test "$need_dlopen" = yes; then
_dl_save_libs=$LIBS
LIBS=""
AC_SEARCH_LIBS(dlopen,dl,found_dlopen=yes)
if test x"$found_dlopen" = "xyes" ; then
AC_DEFINE(HAVE_DL_DLOPEN,1,
[Defined when the dlopen function family is available])
DLLIBS=$LIBS
else
if test "$try_extensions" = yes ; then
AC_MSG_NOTICE([dlopen not found. Disabling extensions.])
try_extensions=no
fi
if test "$card_support" = yes ; then
AC_MSG_WARN([dlopen not found. Disabling OpenPGP card support.])
card_support=no
fi
fi
LIBS=$_dl_save_libs
fi
fi
AC_SUBST(DLLIBS)
if test "$card_support" = yes ; then
AC_DEFINE(ENABLE_CARD_SUPPORT,1,[Define to include OpenPGP card support])
fi
if test "$try_extensions" = yes ; then
AC_DEFINE(USE_DYNAMIC_LINKING,1,[Define to enable the use of extensions])
fi
AM_CONDITIONAL(ENABLE_CARD_SUPPORT, test "$card_support" = yes)
dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS(unistd.h langinfo.h termio.h locale.h getopt.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)
AC_CHECK_SIZEOF(unsigned int)
AC_CHECK_SIZEOF(unsigned long)
AC_CHECK_SIZEOF(unsigned long long)
# Ensure that we have UINT64_C before we bother to check for uint64_t
AC_CACHE_CHECK([for UINT64_C],[gnupg_cv_uint64_c_works],
AC_COMPILE_IFELSE(AC_LANG_PROGRAM([#include <inttypes.h>
uint64_t foo=UINT64_C(42);]),gnupg_cv_uint64_c_works=yes,gnupg_cv_uint64_c_works=no))
if test "$gnupg_cv_uint64_c_works" = "yes" ; then
AC_CHECK_SIZEOF(uint64_t)
fi
if test "$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 Do we have any 64-bit data types?
if test "$ac_cv_sizeof_unsigned_int" != "8" \
&& test "$ac_cv_sizeof_unsigned_long" != "8" \
&& test "$ac_cv_sizeof_unsigned_long_long" != "8" \
&& test x"$ac_cv_sizeof_uint64_t" != "x8"; then
AC_MSG_NOTICE([No 64-bit types. Disabling SHA-384 and SHA-512.])
else
if test x"$use_sha512" = xyes ; then
AC_SUBST(SHA512_O,sha512.o)
AC_DEFINE(USE_SHA512,1,[Define to include the SHA-384 and SHA-512 digests])
fi
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 ctermid times)
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 getaddrinfo)
AC_REPLACE_FUNCS(mkdtemp)
AC_CHECK_TYPES([struct sigaction, sigset_t],,,[#include <signal.h>])
# See if getopt is in libiberty. This is of course not optimal since
# it might be somewhere other than libiberty, but does cover the
# mingw32 case.
AC_CHECK_FUNC(getopt,,AC_CHECK_LIB(iberty,getopt,AC_SUBST(GETOPT,"-liberty")))
#
# 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])
AC_SUBST(CAPLIBS,"-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.])
;;
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)
# Sanity check regex. Tests adapted from mutt.
AC_MSG_CHECKING([whether regular expression support is requested])
AC_ARG_ENABLE(regex,
[ --disable-regex do not handle regular expressions in trust sigs],
use_regex=$enableval, use_regex=yes)
AC_MSG_RESULT($use_regex)
if test "$use_regex" = yes ; then
AC_MSG_CHECKING([whether the included regex lib is requested])
AC_ARG_WITH(included-regex,
[ --with-included-regex use the included GNU regex library],
[gnupg_cv_included_regex=yes],[gnupg_cv_included_regex=no])
AC_MSG_RESULT($gnupg_cv_included_regex)
if test $gnupg_cv_included_regex = no ; then
# Does the system have regex functions at all?
AC_CHECK_FUNC(regcomp,gnupg_cv_included_regex=no,
gnupg_cv_included_regex=yes)
fi
if test $gnupg_cv_included_regex = no ; then
AC_CACHE_CHECK([whether your system's regexp library is broken],
[gnupg_cv_regex_broken],
AC_TRY_RUN([
#include <unistd.h>
#include <regex.h>
main() { regex_t blah ; regmatch_t p; p.rm_eo = p.rm_eo; return regcomp(&blah, "foo.*bar", REG_NOSUB) || regexec (&blah, "foobar", 0, NULL, 0); }],
gnupg_cv_regex_broken=no, gnupg_cv_regex_broken=yes, gnupg_cv_regex_broken=yes))
if test $gnupg_cv_regex_broken = yes ; then
AC_MSG_WARN(your regex is broken - using the included GNU regex instead.)
gnupg_cv_included_regex=yes
fi
fi
if test $gnupg_cv_included_regex = yes; then
AC_DEFINE(USE_GNU_REGEX,1,[ Define if you want to use the included regex lib ])
AC_SUBST(REGEX_O,regex.o)
fi
else
AC_DEFINE(DISABLE_REGEX,1,[ Define to disable regular expression support ])
fi
dnl Do we have zlib? Must do it here because Solaris failed
dnl when compiling a conftest (due to the "-lz" from LIBS).
use_local_zlib=yes
if test "$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$withval/lib"
fi
])
AC_CHECK_HEADER(zlib.h,
AC_CHECK_LIB(z, deflateInit2_,
use_local_zlib=no
ZLIBS="-lz",
CPPFLAGS=${_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)
fi
if test "$use_bzip2" = yes ; then
_cppflags="${CPPFLAGS}"
_ldflags="${LDFLAGS}"
AC_ARG_WITH(bzip2,
AC_HELP_STRING([--with-bzip2=DIR],[look for bzip2 in DIR]),
[
if test -d "$withval" ; then
CPPFLAGS="${CPPFLAGS} -I$withval/include"
LDFLAGS="${LDFLAGS} -L$withval/lib"
fi
],withval="")
# Checking alongside stdio.h as an early version of bzip2 (1.0)
# required stdio.h to be included before bzlib.h, and Solaris 9 is
# woefully out of date.
if test "$withval" != no ; then
AC_CHECK_HEADER(bzlib.h,
AC_CHECK_LIB(bz2,BZ2_bzCompressInit,
[
have_bz2=yes
ZLIBS="$ZLIBS -lbz2"
AC_DEFINE(HAVE_BZIP2,1,
[Defined if the bz2 compression library is available])
],
CPPFLAGS=${_cppflags} LDFLAGS=${_ldflags}),
CPPFLAGS=${_cppflags} LDFLAGS=${_ldflags},[#include <stdio.h>])
fi
fi
AM_CONDITIONAL(ENABLE_BZIP2_SUPPORT,test x"$have_bz2" = "xyes")
AC_SUBST(ZLIBS)
#
# libusb allows us to use the integrated CCID smartcard reader driver.
#
# Note, that we need the CVS (unstable) version.
#
LIBUSB_LIBS=""
if test "$card_support" = yes; then
AC_CHECK_LIB(usb, usb_find_device,
[ LIBUSB_LIBS="$LIBUSB_LIBS -lusb"
AC_DEFINE(HAVE_LIBUSB,1,
[defined if libusb is available])
])
fi
AC_SUBST(LIBUSB_LIBS)
# Allow users to append something to the version string without
# flagging it as development version. The user version parts is
# considered everything after a dash.
if test "$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 "${target}" in
*-*-mingw32*)
dnl NETLIBS="$NETLIBS -lwsock32"
W32LIBS="-lwsock32"
;;
*)
;;
esac
AC_SUBST(NETLIBS)
AC_SUBST(W32LIBS)
if test "$GCC" = yes; then
if test "$USE_MAINTAINER_MODE" = "yes"; then
CFLAGS="$CFLAGS -Wall -Wcast-align -Wshadow -Wstrict-prototypes"
CFLAGS="$CFLAGS -Wformat-nonliteral"
else
CFLAGS="$CFLAGS -Wall"
fi
fi
if test "$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/#EGD
***
*** You may want to run ./configure with --enable-static-rnd=egd or
*** --enable-static-rnd=auto to use it.
***]])
fi
# Note the \\\\ for backslashes. Autoconf eats one layer, leaving \\
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_DATADIR "${datadir}/gnupg"
#ifdef __VMS
#define GNUPG_HOMEDIR "/SYS\$LOGIN/gnupg"
#else
#define GNUPG_HOMEDIR "~/.gnupg"
#endif
#endif
/* those are here to be redefined by handcrafted g10defs.h.
Please note that the string version must not contain more
than one character because the using code assumes strlen()==1 */
#ifdef HAVE_DOSISH_SYSTEM
#define DIRSEP_C '\\\\'
#define EXTSEP_C '.'
#define DIRSEP_S "\\\\"
#define EXTSEP_S "."
#else
#define DIRSEP_C '/'
#define EXTSEP_C '.'
#define DIRSEP_S "/"
#define EXTSEP_S "."
#endif
/* This is the same as VERSION, but should be overridden if the
platform cannot handle things like dots'.' in filenames. Set
SAFE_VERSION_DOT and SAFE_VERSION_DASH to whatever SAFE_VERSION
uses for dots and dashes. */
#define SAFE_VERSION VERSION
#define SAFE_VERSION_DOT '.'
#define SAFE_VERSION_DASH '-'
G10EOF
cat mpi/mpi-asm-defs.h >>g10defs.tmp
if cmp -s g10defs.h g10defs.tmp 2>/dev/null; then
echo "g10defs.h is unchanged"
rm -f g10defs.tmp
else
rm -f g10defs.h
mv g10defs.tmp g10defs.h
echo "g10defs.h created"
fi
]],[[
prefix=$prefix
exec_prefix=$exec_prefix
libdir=$libdir
libexecdir=$libexecdir
datadir=$datadir
DATADIRNAME=$DATADIRNAME
]])
AC_CONFIG_FILES([
Makefile
m4/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