dnl configure.ac script for GnuPG dnl Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, dnl 2005 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., 51 Franklin Street, Fifth Floor, Boston, dnl MA 02110-1301, USA dnl dnl (Process this file with autoconf to produce a configure script.) AC_PREREQ(2.59) min_automake_version="1.9.3" # Remember to change the version number immediately *after* a release # and remove the "-cvs" or "rc" suffix immediately *before* a release. AC_INIT(gnupg, 1.4.3-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 AC_CONFIG_AUX_DIR(scripts) AC_CONFIG_SRCDIR(g10/gpg.c) AC_CANONICAL_HOST AM_INIT_AUTOMAKE([std-options]) 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 # We don't have a test to check whether as(1) knows about the # non executable stack option. Thus we provide an option to enable # it. AC_MSG_CHECKING([whether non excutable stack support is requested]) AC_ARG_ENABLE(noexecstack, AC_HELP_STRING([--enable-noexecstack], [enable non executable stack support (gcc only)]), noexecstack_support=$enableval, noexecstack_support=no) AC_MSG_RESULT($noexecstack_support) # SELinux support includes tracking of sensitive files to avoid # leaking their contents through processing these files by gpg itself AC_MSG_CHECKING([whether SELinux support is requested]) AC_ARG_ENABLE(selinux-support, AC_HELP_STRING([--enable-selinux-support], [enable SELinux support]), selinux_support=$enableval, selinux_support=no) AC_MSG_RESULT($selinux_support) AC_MSG_CHECKING([whether the new iconv based code is requested]) AC_ARG_ENABLE(gnupg-iconv, AC_HELP_STRING([--disable-gnupg-iconv], [disable the new iconv code]), gnupg_use_iconv=$enableval, gnupg_use_iconv=yes) AC_MSG_RESULT($gnupg_use_iconv) 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 card_support=yes agent_support=yes disable_keyserver_path=no 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 card_support=no agent_support=no) AC_MSG_CHECKING([whether OpenPGP card support is requested]) AC_ARG_ENABLE(card-support, AC_HELP_STRING([--disable-card-support], [disable OpenPGP card support]), card_support=$enableval) AC_MSG_RESULT($card_support) # Note that we may later disable the agent support based on the platform. AC_MSG_CHECKING([whether gpg-agent support is requested]) AC_ARG_ENABLE(agent-support, AC_HELP_STRING([--disable-agent-support], [disable gpg-agent support]), agent_support=$enableval) AC_MSG_RESULT($agent_support) 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 "$gnupg_cv_enable_keyserver_helpers" = yes ; then dnl LDAP is defined only after we confirm the library is available later AC_MSG_CHECKING([whether LDAP keyserver support is requested]) AC_ARG_ENABLE(ldap, AC_HELP_STRING([--disable-ldap],[disable LDAP keyserver interface only]), try_ldap=$enableval, try_ldap=yes) AC_MSG_RESULT($try_ldap) AC_MSG_CHECKING([whether HKP keyserver support is requested]) AC_ARG_ENABLE(hkp, AC_HELP_STRING([--disable-hkp],[disable HKP keyserver interface only]), try_hkp=$enableval, try_hkp=yes) AC_MSG_RESULT($try_hkp) AC_MSG_CHECKING([whether finger key fetching support is requested]) AC_ARG_ENABLE(finger, AC_HELP_STRING([--disable-finger], [disable finger key fetching interface only]), try_finger=$enableval, try_finger=yes) AC_MSG_RESULT($try_finger) AC_MSG_CHECKING([whether email keyserver support is requested]) AC_ARG_ENABLE(mailto, AC_HELP_STRING([--enable-mailto], [enable email keyserver interface only]), try_mailto=$enableval, try_mailto=no) AC_MSG_RESULT($try_mailto) fi AC_MSG_CHECKING([whether keyserver exec-path is enabled]) AC_ARG_ENABLE(keyserver-path, AC_HELP_STRING([--disable-keyserver-path], [disable the exec-path option for keyserver helpers]), [if test "$enableval" = no ; then disable_keyserver_path=yes fi],enableval=yes) AC_MSG_RESULT($enableval) fi AC_MSG_CHECKING([whether the included zlib is requested]) AC_ARG_WITH(included-zlib, [ --with-included-zlib use the zlib code included here], [g10_force_zlib="$withval"], [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) # To avoid double inclusion of config.h which might happen at some # places, we add the usual double inclusion protection. AH_TOP([ #ifndef GNUPG_CONFIG_H_INCLUDED #define GNUPG_CONFIG_H_INCLUDED ]) 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" #endif /*GNUPG_CONFIG_H_INCLUDED*/ ]) 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 GNUPG_CHECK_USTAR MPI_OPT_FLAGS="" try_gettext=yes have_dosish_system=no need_dlopen=yes case "${host}" in *-mingw32*) # special stuff for Windoze NT ac_cv_have_dev_random=no AC_DEFINE(USE_ONLY_8DOT3,1, [set this to limit filenames to the 8.3 format]) AC_DEFINE(HAVE_DRIVE_LETTERS,1, [defined if we must run on a stupid file system]) AC_DEFINE(USE_SIMPLE_GETTEXT,1, [because the Unix gettext has too much overhead on MingW32 systems and these systems lack Posix functions, we use a simplified version of gettext]) AC_DEFINE(HAVE_W32_SYSTEM,1, [Defined if we run on a W32 API based system]) disable_keyserver_path=yes have_dosish_system=yes need_dlopen=no try_gettext="no" agent_support=no use_simple_gettext=yes have_w32_system=yes ;; i?86-emx-os2 | i?86-*-os2*emx ) # OS/2 with the EMX environment ac_cv_have_dev_random=no AC_DEFINE(HAVE_DRIVE_LETTERS) have_dosish_system=yes try_gettext="no" agent_support=no ;; i?86-*-msdosdjgpp*) # DOS with the DJGPP environment ac_cv_have_dev_random=no AC_DEFINE(HAVE_DRIVE_LETTERS) have_dosish_system=yes try_gettext="no" agent_support=no ;; *-*-hpux*) if test -z "$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 "$have_dosish_system" = yes) AM_CONDITIONAL(USE_SIMPLE_GETTEXT, test x"$use_simple_gettext" = xyes) AM_CONDITIONAL(HAVE_W32_SYSTEM, test x"$have_w32_system" = xyes) if test "$disable_keyserver_path" = yes; then AC_DEFINE(DISABLE_KEYSERVER_PATH,1, [define to disable exec-path for keyserver helpers]) fi AC_SUBST(MPI_OPT_FLAGS) GNUPG_SYS_SYMBOL_UNDERSCORE dnl These need to go after AC_PROG_CC so that $EXEEXT is defined if test x"$try_hkp" = xyes ; then AC_SUBST(GPGKEYS_HKP,"gpgkeys_hkp$EXEEXT") fi if test x"$try_finger" = xyes ; then AC_SUBST(GPGKEYS_FINGER,"gpgkeys_finger$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 $NETLIBS"])) dnl Now try for the resolver functions so we can use DNS for SRV, PKA, dnl and CERT. if test x"$try_hkp" = xyes || test x"$try_http" = xyes ; then AC_ARG_ENABLE(dns-srv, AC_HELP_STRING([--disable-dns-srv], [disable the use of DNS SRV in HKP and HTTP]), use_dns_srv=$enableval,use_dns_srv=yes) fi AC_ARG_ENABLE(dns-pka, AC_HELP_STRING([--disable-dns-pka], [disable the use of PKA records in DNS]), use_dns_pka=$enableval,use_dns_pka=yes) AC_ARG_ENABLE(dns-cert, AC_HELP_STRING([--disable-dns-cert], [disable the use of CERT records in DNS]), use_dns_cert=$enableval,use_dns_cert=yes) if test x"$use_dns_pka" = xyes || test x"$use_dns_srv" = xyes || test x"$use_dns_cert" = xyes; then _srv_save_libs=$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)) # Make sure that the BIND 4 resolver interface is workable before # enabling any code that calls it. At some point I'll rewrite the # code to use the BIND 8 resolver API. AC_LINK_IFELSE([AC_LANG_PROGRAM([#include #include #include #include ], [[unsigned char answer[PACKETSZ]; res_query("foo.bar",C_IN,T_A,answer,PACKETSZ);]])],have_resolver=yes) if test x"$have_resolver" = xyes ; then SRVLIBS=$LIBS if test x"$use_dns_srv" = xyes ; then AC_DEFINE(USE_DNS_SRV,1,[define to use DNS SRV]) fi if test x"$use_dns_pka" = xyes ; then AC_DEFINE(USE_DNS_PKA,1,[define to use our experimental DNS PKA]) fi if test x"$use_dns_cert" = xyes ; then AC_DEFINE(USE_DNS_CERT,1,[define to use DNS CERT]) fi else use_dns_srv=no use_dns_pka=no use_dns_cert=no fi LIBS=$_srv_save_libs fi AC_SUBST(SRVLIBS) AM_CONDITIONAL(USE_DNS_SRV, test x"$use_dns_srv" = xyes) # Check for LDAP if test "$try_ldap" = yes ; then GNUPG_CHECK_LDAP($NETLIBS) fi # Which keyserver helpers are we building? AC_ARG_ENABLE(old-keyserver-helpers, AC_HELP_STRING([--enable-old-keyserver-helpers],[enable old keyserver helpers]),old_ks=$enableval,old_ks=no) if test "$old_ks" = yes ; then AC_SUBST(GPGKEYS_HTTP,"gpgkeys_http$EXEEXT") else LIBCURL_CHECK_CONFIG([yes],,[with_curl=yes],[fake_curl=yes]) AC_SUBST(GPGKEYS_CURL,"gpgkeys_curl$EXEEXT") fi AM_CONDITIONAL(FAKE_CURL,test x"$fake_curl" = xyes) AM_CONDITIONAL(WITH_CURL,test x"$with_curl" = xyes || test x"$fake_curl" = xyes) if test x"$fake_curl" = xyes ; then AC_DEFINE(FAKE_CURL,1,[define to fake the libcurl API internally]) fi dnl This isn't necessarily sendmail itself, but anything that gives a dnl sendmail-ish interface to the outside world. That includes qmail, dnl postfix, etc. Basically, anything that can handle "sendmail -t". if test "$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 "${host}" in *-mingw32*) PRINTABLE_OS_NAME="MingW32" ;; *-*-cygwin*) PRINTABLE_OS_NAME="Cygwin" ;; i?86-emx-os2 | i?86-*-os2*emx ) PRINTABLE_OS_NAME="OS/2" ;; i?86-*-msdosdjgpp*) PRINTABLE_OS_NAME="MSDOS/DJGPP" try_extensions=no ;; *-linux*) PRINTABLE_OS_NAME="GNU/Linux" ;; *) PRINTABLE_OS_NAME=`uname -s || echo "Unknown"` ;; esac AC_DEFINE_UNQUOTED(PRINTABLE_OS_NAME, "$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 "${host}" in *-openbsd*) NAME_OF_DEV_RANDOM="/dev/srandom" NAME_OF_DEV_URANDOM="/dev/urandom" ;; esac AC_DEFINE_UNQUOTED(NAME_OF_DEV_RANDOM, "$NAME_OF_DEV_RANDOM", [defined to the name of the strong random device]) AC_DEFINE_UNQUOTED(NAME_OF_DEV_URANDOM, "$NAME_OF_DEV_URANDOM", [defined to the name of the weaker random device]) AC_SUBST(MPI_OPT_FLAGS) dnl Checks for libraries. AM_GNU_GETTEXT_VERSION(0.14.1) if test "$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) AM_PO_SUBDIRS 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 "$agent_support" = yes ; then AC_DEFINE(ENABLE_AGENT_SUPPORT,1,[Define to include gpg-agent support]) fi if test "$try_extensions" = yes ; then AC_DEFINE(USE_DYNAMIC_LINKING,1,[Define to enable the use of extensions]) fi if test "$selinux_support" = yes ; then AC_DEFINE(ENABLE_SELINUX_HACKS,1,[Define to enable SELinux support]) fi if test "$gnupg_use_iconv" = yes ; then AC_DEFINE(USE_GNUPG_ICONV,1,[Define to use the new iconv based code]) fi AM_CONDITIONAL(ENABLE_CARD_SUPPORT, test "$card_support" = yes) AM_CONDITIONAL(ENABLE_AGENT_SUPPORT, test "$agent_support" = yes) dnl Checks for header files. AC_HEADER_STDC AC_CHECK_HEADERS([unistd.h langinfo.h termio.h locale.h getopt.h pwd.h]) # Note that we do not check for iconv here because this is done anyway # by the gettext checks and thus it allows us to disable the use of # iconv by using --disable-nls. 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 gt_HEADER_INTTYPES_H AC_CACHE_CHECK([for UINT64_C], [gnupg_cv_uint64_c_works], AC_COMPILE_IFELSE(AC_LANG_PROGRAM([#include ],[ 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 x"$use_sha512" = xyes \ && test "$ac_cv_sizeof_unsigned_int" != "8" \ && test "$ac_cv_sizeof_unsigned_long" != "8" \ && test "$ac_cv_sizeof_unsigned_long_long" != "8" \ && test x"$ac_cv_sizeof_uint64_t" != "x8"; then AC_MSG_NOTICE([No 64-bit types. Disabling SHA-384 and SHA-512.]) use_sha512=no fi if test x"$use_sha512" ; then AC_DEFINE(USE_SHA512,1,[Define to include the SHA-384 and SHA-512 digests]) fi AM_CONDITIONAL(USE_SHA512, test x"$use_sha512" = xyes) dnl Checks for library functions. AC_CHECK_DECLS(getpagesize) 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 unsetenv getpwnam getpwuid) 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 timegm isascii memrchr) AC_CHECK_TYPES([struct sigaction, sigset_t],,,[#include ]) # 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 ],[ 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 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 AC_MSG_WARN([[ *** *** WARNING: using capabilities with GnuPG is experimental code! ***]]) 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 "${host}" in *-mingw32*|*-*-cygwin*) random_modules="rndw32" ;; i?86-emx-os2|i?86-*-os2*emx) random_modules="rndos2" ;; m68k-atari-mint) random_modules="rndatari" ;; i?86-*-msdosdjgpp*) : ;; *) random_modules="rndlinux rndegd rndunix" AC_DEFINE(USE_ALL_RANDOM_MODULES, 1, [Allow to select random modules at runtime.]) ;; esac fi else if test "$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.]) use_rndlinux=yes ;; rndunix) AC_DEFINE(USE_RNDUNIX,1, [Defined if the default Unix RNG should be used.]) print_egd_warning=yes use_rndunix=yes ;; rndegd) AC_DEFINE(USE_RNDEGD,1, [Defined if the EGD based RNG should be used.]) use_rndegd=yes ;; rndw32) AC_DEFINE(USE_RNDW32,1, [Defined if the Windows specific RNG should be used.]) use_rndw32=yes ;; esac done AM_CONDITIONAL(USE_RNDLINUX, test "$use_rndlinux" = yes) AM_CONDITIONAL(USE_RNDUNIX, test "$use_rndunix" = yes) AM_CONDITIONAL(USE_RNDEGD, test "$use_rndegd" = yes) AM_CONDITIONAL(USE_RNDW32, test "$use_rndw32" = yes) 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, AC_HELP_STRING([--disable-regex], [do not handle regular expressions in trust signatures]), use_regex=$enableval, use_regex=yes) AC_MSG_RESULT($use_regex) if test "$use_regex" = yes ; then AC_MSG_CHECKING([whether the included regex lib is requested]) AC_ARG_WITH(included-regex, [ --with-included-regex use the included GNU regex library], [gnupg_cv_included_regex="$withval"],[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 #include 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 $gnupg_cv_included_regex = yes; then AC_DEFINE(USE_INTERNAL_REGEX,1,[ Define if you want to use the included regex lib ]) fi else AC_DEFINE(DISABLE_REGEX,1,[ Define to disable regular expression support ]) fi AM_CONDITIONAL(USE_INTERNAL_REGEX, test x"$gnupg_cv_included_regex" = xyes) 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=${_ldflags},[#include ]) fi fi AM_CONDITIONAL(ENABLE_BZIP2_SUPPORT,test x"$have_bz2" = "xyes") AC_SUBST(ZLIBS) # libusb allows us to use the integrated CCID smartcard reader driver. GNUPG_CHECK_LIBUSB # Check for readline support GNUPG_CHECK_READLINE # 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$cross_compiling = xyes) # add some extra libs here so that previous tests don't fail for # mysterious reasons - the final link step should bail out. case "${host}" in *-mingw32*) dnl NETLIBS="$NETLIBS -lwsock32" W32LIBS="-lwsock32" ;; *) ;; esac AC_SUBST(NETLIBS) AC_SUBST(W32LIBS) # Special options used with gcc. if test "$GCC" = yes; then # Note that it is okay to use CFLAGS here because this are just # warning options and the user should have a chance of overriding #them. if test "$USE_MAINTAINER_MODE" = "yes"; then CFLAGS="$CFLAGS -Wall -Wcast-align -Wshadow -Wstrict-prototypes" CFLAGS="$CFLAGS -Wformat-nonliteral" else CFLAGS="$CFLAGS -Wall" fi AC_MSG_CHECKING([if gcc supports -Wno-pointer-sign]) _gcc_cflags_save=$CFLAGS CFLAGS="-Wno-pointer-sign" AC_COMPILE_IFELSE(AC_LANG_PROGRAM([]),_gcc_psign=yes,_gcc_psign=no) AC_MSG_RESULT($_gcc_psign) CFLAGS=$_gcc_cflags_save; if test x"$_gcc_psign" = xyes ; then CFLAGS="$CFLAGS -Wno-pointer-sign" fi # Non exec stack hack. Fixme: Write a test to check whether as # can cope with it and use the enable-noexecstack option only to # disable it in case it is required on sime platforms. if test "$noexecstack_support" = yes; then NOEXECSTACK_FLAGS="-Wa,--noexecstack" fi fi AC_SUBST(NOEXECSTACK_FLAGS) if test "$print_egd_warning" = yes; then AC_MSG_WARN([[ *** *** The performance of the UNIX random gatherer module is not very good *** and it does not keep the entropy pool over multiple invocations of *** GnuPG. The suggested way to overcome this problem is to use the *** *** Entropy Gathering Daemon (EGD) *** *** which provides a entropy source for the whole system. It is written *** in Perl and available at the GnuPG FTP servers. For more information *** consult the GnuPG webpages: *** *** http://www.gnupg.org/download/#EGD *** *** You may want to run ./configure with --enable-static-rnd=egd or *** --enable-static-rnd=auto to use it. ***]]) fi # Note the \\\\ for backslashes. Autoconf eats one layer, leaving \\ AC_CONFIG_COMMANDS(g10defs.h,[[ cat >g10defs.tmp <>g10defs.tmp if cmp -s g10defs.h g10defs.tmp 2>/dev/null; then echo "g10defs.h is unchanged" rm -f g10defs.tmp else rm -f g10defs.h mv g10defs.tmp g10defs.h echo "g10defs.h created" fi ]],[[ prefix=$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 tools/gpg-zip zlib/Makefile checks/Makefile ]) AC_OUTPUT # Give some feedback echo echo " Configured for: $PRINTABLE_OS_NAME ($host)" if test -n "$show_extraasm"; then echo " Extra cpu specific functions:$show_extraasm" fi echo