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(2.59) 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, 1.2.8, 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/g10.c) AC_CANONICAL_HOST 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 # 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 # Note that TIGER, SHA-384, and SHA-512 may not actually be included # if there is no 64-bit integer support. dnl alias AC_ARG_ENABLE(old-tiger,,use_tiger=$enableval) AC_MSG_CHECKING([whether to enable nonstandard TIGER/192 digest support]) AC_ARG_ENABLE(tiger, [ --enable-tiger enable nonstandard TIGER/192 digest support], use_tiger=$enableval, use_tiger=no) AC_MSG_RESULT($use_tiger) AC_MSG_CHECKING([whether to enable new-style nonstandard TIGER/192 digest support]) AC_ARG_ENABLE(new-tiger, [ --enable-new-tiger enable new-style nonstandard TIGER/192 digest support], use_new_tiger=$enableval, use_new_tiger=no) AC_MSG_RESULT($use_new_tiger) if test x"$use_tiger" = xyes || test x"$use_new_tiger" = xyes ; then AC_MSG_WARN([[ *** *** The TIGER/192 digest is in the process of being removed from the *** OpenPGP standard. While it hasn't been removed from GnuPG yet, it *** will be removed in a future version. For the sake of future *** compatibility, please do not use this digest. ***]]) fi AC_MSG_CHECKING([whether to enable read-only SHA-384 and SHA-512 digest support]) AC_ARG_ENABLE(sha512, [ --enable-sha512 enable read-only SHA-384 and SHA-512 digest support], use_sha512=$enableval, use_sha512=no) AC_MSG_RESULT($use_sha512) AC_MSG_CHECKING([whether to enable external program execution]) AC_ARG_ENABLE(exec, [ --disable-exec disable all external program execution], use_exec=$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($try_hkp) AC_MSG_CHECKING([whether email keyserver support is requested]) AC_ARG_ENABLE(mailto, [ --disable-mailto disable email keyserver interface], try_mailto=$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($enableval) fi AC_MSG_CHECKING([whether included zlib is requested]) AC_ARG_WITH(included-zlib, [ --with-included-zlib use the zlib code included here], [g10_force_zlib="$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) 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, $missing_dir) AC_PROG_CC AC_PROG_CPP AC_PROG_RANLIB AC_CHECK_TOOL(AR, ar, :) AC_PATH_PROG(PERL,"perl") AC_ISC_POSIX AC_SYS_LARGEFILE AC_PROG_INSTALL AC_PROG_AWK AC_CHECK_PROG(DOCBOOK_TO_MAN, docbook-to-man, yes, no) AM_CONDITIONAL(HAVE_DOCBOOK_TO_MAN, test "$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 case "${host}" in *-*-mingw32*) # special stuff for Windoze NT ac_cv_have_dev_random=no AC_DEFINE(USE_ONLY_8DOT3,1, [set this to limit filenames to the 8.3 format]) AC_DEFINE(HAVE_DRIVE_LETTERS,1, [defined if we must run on a stupid file system]) AC_DEFINE(USE_SIMPLE_GETTEXT,1, [because the Unix gettext has too much overhead on MingW32 systems and these systems lack Posix functions, we use a simplified version of gettext]) have_dosish_system=yes try_gettext="no" LDAPLIBS="-lwldap32" ;; i?86-emx-os2 | i?86-*-os2*emx ) # OS/2 with the EMX environment ac_cv_have_dev_random=no AC_DEFINE(HAVE_DRIVE_LETTERS) have_dosish_system=yes try_gettext="no" ;; i?86-*-msdosdjgpp*) # DOS with the DJGPP environment ac_cv_have_dev_random=no AC_DEFINE(HAVE_DRIVE_LETTERS) have_dosish_system=yes try_gettext="no" ;; *-*-freebsd*) # FreeBSD CPPFLAGS="$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 GPGKEYS_HKP="gpgkeys_hkp$EXEEXT" AC_DEFINE(USE_EXTERNAL_HKP,1,[define to use the experimental external HKP keyserver interface]) 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 $NETLIBS"])) # Try and link a LDAP test program to weed out unusable LDAP # libraries. -lldap [-llber [-lresolv]] is for OpenLDAP. OpenLDAP in # general is terrible with creating weird dependencies. If all else # fails, the user can play guess-the-dependency by using something # like LDAPLIBS="-lfoo" ./configure if test "$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_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 $gnupg_cv_func_ldap_init = no; then AC_MSG_CHECKING([whether I can make LDAP be sane with lber.h]) AC_TRY_LINK([#include #include ],[ldap_open("foobar",1234);], [gnupg_cv_func_ldaplber_init=yes],[gnupg_cv_func_ldaplber_init=no]) AC_MSG_RESULT([$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 "${host}" in *-mingw32*) PRINTABLE_OS_NAME="MingW32" ;; *-*-cygwin*) PRINTABLE_OS_NAME="Cygwin" ;; i?86-emx-os2 | i?86-*-os2*emx ) PRINTABLE_OS_NAME="OS/2" ;; i?86-*-msdosdjgpp*) PRINTABLE_OS_NAME="MSDOS/DJGPP" try_dynload=no ;; *-linux*) PRINTABLE_OS_NAME="GNU/Linux" ;; *) PRINTABLE_OS_NAME=`uname -s || echo "Unknown"` test "$PRINTABLE_OS_NAME" = "Linux" && PRINTABLE_OS_NAME="GNU/Linux" ;; 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. if test "$try_gettext" = yes; then # we specify that we need ngettext since that check implies a check # for bind_textdomain_codeset, which we really need. AM_GNU_GETTEXT(,[need-ngettext]) # gettext requires some extra checks. These really should be part of # the basic AM_GNU_GETTEXT macro. TODO: move other gettext-specific # function checks to here. AC_CHECK_FUNCS(strchr) else USE_NLS=no USE_INCLUDED_LIBINTL=no BUILD_INCLUDED_LIBINTL=no AC_SUBST(USE_NLS) AC_SUBST(USE_INCLUDED_LIBINTL) AC_SUBST(BUILD_INCLUDED_LIBINTL) fi if test "$try_dynload" = yes ; then _dl_save_libs=$LIBS LIBS="" AC_SEARCH_LIBS(dlopen,dl,found_dlopen=yes) if test x"$found_dlopen" = "xyes" ; 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]) DLLIBS=$LIBS else AC_MSG_WARN([dlopen not found. Disabling extensions.]) fi LIBS=$_dl_save_libs fi AC_SUBST(DLLIBS) 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) if test "$ac_cv_sizeof_unsigned_short" = "0" \ || test "$ac_cv_sizeof_unsigned_int" = "0" \ || test "$ac_cv_sizeof_unsigned_long" = "0"; then AC_MSG_WARN([Hmmm, something is wrong with the sizes - using defaults]); fi if test "$use_tiger" = yes || test "$use_new_tiger" = yes || test "$use_sha512" = yes ; then # 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 uint64_t foo=UINT64_C(42);]),gnupg_cv_uint64_c_works=yes,gnupg_cv_uint64_c_works=no)) if test "$gnupg_cv_uint64_c_works" = "yes" ; then AC_CHECK_SIZEOF(uint64_t) fi # Do we have any 64-bit data types at all? if test "$ac_cv_sizeof_unsigned_int" != "8" \ && test "$ac_cv_sizeof_unsigned_long" != "8" \ && test "$ac_cv_sizeof_unsigned_long_long" != "8" \ && test x"$ac_cv_sizeof_uint64_t" != "x8"; then AC_MSG_WARN([No 64-bit types. Disabling TIGER/192, SHA-384, and SHA-512]) else if test "$use_tiger" = yes ; then AC_SUBST(TIGER_O,tiger.o) AC_DEFINE(USE_TIGER,1,[Define to include nonstandard TIGER/192 digest support]) AC_DEFINE(USE_OLD_TIGER,1,[Define to use the old fake OID for TIGER/192 digest support]) fi if test "$use_new_tiger" = yes ; then AC_SUBST(TIGER_O,tiger.o) AC_DEFINE(USE_TIGER,1,[Define to include nonstandard TIGER/192 digest support]) fi if test "$use_sha512" = yes ; then AC_SUBST(SHA512_O,sha512.o) AC_DEFINE(USE_SHA512,1,[Define to include read-only SHA-384 and SHA-512 digest support]) fi 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) AC_REPLACE_FUNCS(mkdtemp) 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.]) ;; 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 ZLIBS="-lz", CPPFLAGS=${_cppflags} LDFLAGS=${_ldflags}), CPPFLAGS=${_cppflags} LDFLAGS=${_ldflags}) fi if test "$use_local_zlib" = yes ; then AM_CONDITIONAL(ENABLE_LOCAL_ZLIB, true) AC_CONFIG_LINKS(zlib.h:zlib/zlib.h zconf.h:zlib/zconf.h ) ZLIBS="../zlib/libzlib.a" else AM_CONDITIONAL(ENABLE_LOCAL_ZLIB, false) fi _cppflags="${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 AM_CONDITIONAL(ENABLE_BZIP2_SUPPORT,test x"$have_bz2" = "xyes") AC_SUBST(ZLIBS) # Allow users to append something to the version string without # flagging it as development version. The user version parts is # considered everything after a dash. if test "$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 "${host}" in *-mingw32*) dnl NETLIBS="$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 <>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: $PRINTABLE_OS_NAME ($host)" if test -n "$show_extraasm"; then echo " Extra cpu specific functions:$show_extraasm" fi echo