dnl dnl Configure template for GNUPG dnl dnl (Process this file with autoconf to produce a configure script.) AC_REVISION($Revision$)dnl dnl Must reset CDPATH so that bash's cd does not print to stdout CDPATH= AC_PREREQ(2.13) AC_INIT(g10/g10.c) AC_CONFIG_AUX_DIR(scripts) AM_CONFIG_HEADER(config.h) VERSION=`cat $srcdir/VERSION` PACKAGE=gnupg ALL_LINGUAS="de es_ES fr id it pl pt_BR pt_PT ru" static_modules="sha1 md5 rmd160" static_random_module="" AC_SUBST(VERSION) AC_SUBST(PACKAGE) AC_DEFINE_UNQUOTED(VERSION, "$VERSION") AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE") MODULES_IN_CIPHER=`awk '/^EXTRA_PROGRAMS/ { for(i=3;i<=NF;i++) print $i}' \ $srcdir/cipher/Makefile.am` dnl dnl Check for random module options dnl dnl Fixme: get the list of available modules from MODULES_IN_CIPHER dnl and check against this list AC_MSG_CHECKING([which static random module to use]) AC_ARG_ENABLE(static-rnd, [ --enable-static-rnd=[egd|unix|linux|none] ], [use_static_rnd=$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 | none | default ) AC_MSG_RESULT($use_static_rnd) ;; * ) AC_MSG_RESULT(invalid argument) AC_MSG_ERROR(there is no random module rnd$use_static_rnd) ;; esac 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 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) 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 debugging is requested]) AC_ARG_ENABLE(m-debug, [ --enable-m-debug enable debugging of memory allocation], use_m_debug=$enableval, use_m_debug=no) AC_MSG_RESULT($use_m_debug) if test "$use_m_debug" = yes; then AC_DEFINE(M_DEBUG) use_m_guard=yes else AC_MSG_CHECKING([whether memory guard is requested]) AC_ARG_ENABLE(m-guard, [ --enable-m-guard enable memory guard facility], use_m_guard=$enableval, use_m_guard=no) AC_MSG_RESULT($use_m_guard) fi if test "$use_m_guard" = yes ; then AC_DEFINE(M_GUARD) fi AC_MSG_CHECKING([whether included zlib is requested]) AC_ARG_WITH(included-zlib, [ --with-included-zlib use the zlib code included here], [g10_force_zlib=yes], [g10_force_zlib=no] ) AC_MSG_RESULT($g10_force_zlib) dnl dnl Check whether we want to use Linux capabilities dnl AC_MSG_CHECKING([whether use of capabilities is requested]) AC_ARG_WITH(capabilities, [ --with-capabilities use linux capabilities [default=no]], [use_capabilities="$withval"],[use_capabilities=no]) AC_MSG_RESULT($use_capabilities) AM_MAINTAINER_MODE dnl Checks for programs. AC_CANONICAL_SYSTEM dnl dnl Setup some stuff depending on host/target. dnl case "${target}" in *-*-mingw32) # special stuff for Windoze NT # Do we need to set cross_compiling here or is it sufficient # to rely on AC_PROG_CC which is called later? CC="${target}-gcc" CPP="${target}-gcc -E" RANLIB="${target}-ranlib" disallowed_modules="rndunix rndlinux rndegd" ;; *) disallowed_modules="rndw32" ;; esac AC_ARG_PROGRAM 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) dnl AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir) AC_PROG_CC AC_PROG_CPP AC_ISC_POSIX AC_PROG_INSTALL AC_PROG_AWK AC_CHECK_PROG(DOCBOOK_TO_MAN, docbook-to-man, yes, no) AM_CONDITIONAL(HAVE_DOCBOOK_TO_MAN, test "$ac_cv_prog_DOCBOOK_TO_MAN" = yes) MPI_OPT_FLAGS="" try_gettext=yes try_gdbm=yes case "${target}" in *-*-mingw32) # special stuff for Windoze NT ac_cv_have_dev_random=no AC_DEFINE(USE_ONLY_8DOT3) AC_DEFINE(HAVE_DRIVE_LETTERS) AC_DEFINE(HAVE_DOSISH_SYSTEM) AC_DEFINE(USE_SIMPLE_GETTEXT) try_gettext="no" try_gdbm="no" ;; i?86-emx-os2 | i?86-*-os2*emx ) # OS/2 with the EMX environment ac_cv_have_dev_random=no AC_DEFINE(HAVE_DRIVE_LETTERS) AC_DEFINE(HAVE_DOSISH_SYSTEM) try_gettext="no" try_gdbm="no" ;; i?86-*-msdosdjgpp*) # DOS with the DJGPP environment ac_cv_have_dev_random=no AC_DEFINE(HAVE_DRIVE_LETTERS) AC_DEFINE(HAVE_DOSISH_SYSTEM) try_gettext="no" try_gdbm="no" ;; *-*-hpux*) if test -z "$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="$CFLAGS -w" fi ;; m68k-atari-mint) ;; *) ;; esac AC_SUBST(MPI_OPT_FLAGS) GNUPG_SYS_SYMBOL_UNDERSCORE GNUPG_CHECK_PIC GNUPG_CHECK_RDYNAMIC if test "$NO_PIC" = yes; then try_dynload=no fi case "${target}" in *-*-mingw32) PRINTABLE_OS_NAME="MingW32" ;; i?86-emx-os2 | i?86-*-os2*emx ) PRINTABLE_OS_NAME="OS/2" ;; i?86-*-msdosdjgpp*) PRINTABLE_OS_NAME="MSDOS/DJGPP" try_dynload=no ;; *-linux*) PRINTABLE_OS_NAME="GNU/Linux" ;; dnl let that after linux to avoid gnu-linux problems *-gnu*) PRINTABLE_OS_NAME="GNU/Hurd" ;; *) PRINTABLE_OS_NAME=`uname -s || echo "Unknown"` ;; esac AC_DEFINE_UNQUOTED(PRINTABLE_OS_NAME, "$PRINTABLE_OS_NAME") dnl Fixme: Are these the best flags for OpenBSD???? dnl (I have removed the -lc from * ...CFLAGS for test purposes.) case "${target}" in *-openbsd*) NAME_OF_DEV_RANDOM="/dev/srandom" NAME_OF_DEV_URANDOM="/dev/urandom" DYNLINK_MOD_CFLAGS="-shared -rdynamic -fpic -Wl,-Bshareable -Wl,-x" ;; *) NAME_OF_DEV_RANDOM="/dev/random" NAME_OF_DEV_URANDOM="/dev/urandom" DYNLINK_MOD_CFLAGS="-shared $CFLAGS_PIC" ;; esac AC_DEFINE_UNQUOTED(NAME_OF_DEV_RANDOM, "$NAME_OF_DEV_RANDOM") AC_DEFINE_UNQUOTED(NAME_OF_DEV_URANDOM, "$NAME_OF_DEV_URANDOM") AC_SUBST(MPI_OPT_FLAGS) dnl Checks for libraries. if test "$try_gettext" = yes; then AM_GNU_GETTEXT else USE_NLS=no USE_INCLUDED_LIBINTL=no AC_SUBST(USE_NLS) AC_SUBST(USE_INCLUDED_LIBINTL) fi dnl dnl There are lot of misconfigured systems. We include dnl gdbm support only if the lib and the header is installed. dnl if test "$try_gdbm" = yes; then AC_CHECK_HEADERS(gdbm.h) if test "$ac_cv_header_gdbm_h" = yes ; then AC_CHECK_LIB(gdbm,gdbm_firstkey) fi fi dnl Solaris needs -lsocket and -lnsl. Unisys system includes dnl gethostbyname in libsocket but needs libnsl for socket. AC_CHECK_LIB(nsl, gethostbyname) AC_CHECK_LIB(socket, socket, ac_need_libsocket=1, ac_try_nsl=1) if test x$ac_need_libsocket = x1; then LIBS="$LIBS -lsocket" fi if test x$ac_try_nsl = x1; then AC_CHECK_LIB(nsl, gethostbyname, ac_need_libnsl=1) if test x$ac_need_libnsl = x1 then LIBS="$LIBS -lnsl" fi fi if test "$try_dynload" = yes ; then AC_CHECK_LIB(dl,dlopen) if test "$ac_cv_lib_dl_dlopen" = "yes"; then AC_DEFINE(USE_DYNAMIC_LINKING) AC_DEFINE(HAVE_DL_DLOPEN) DYNLINK_LDFLAGS="$CFLAGS_RDYNAMIC" use_gnupg_extensions=yes else AC_CHECK_FUNCS(dlopen) if test "$ac_cv_func_dlopen" = "yes"; then AC_DEFINE(USE_DYNAMIC_LINKING) AC_DEFINE(HAVE_DL_DLOPEN) DYNLINK_LDFLAGS="$CFLAGS_RDYNAMIC" use_gnupg_extensions=yes else AC_CHECK_LIB(dld,shl_load) if test "$ac_cv_lib_dld_shl_load" = "yes"; then AC_DEFINE(USE_DYNAMIC_LINKING) AC_DEFINE(HAVE_DL_SHL_LOAD) DYNLINK_LDFLAGS="$CFLAGS_RDYNAMIC" use_gnupg_extensions=yes dnl ----------------- dnl DLD is not ready for use. So I better disable this test dnl dnl AC_CHECK_LIB(dld,dld_link) dnl if test "$ac_cv_lib_dld_dld_link" = "yes"; then dnl AC_DEFINE(USE_DYNAMIC_LINKING) dnl AC_DEFINE(HAVE_DLD_DLD_LINK) dnl DYNLINK_LDFLAGS="$CFLAGS_RDYNAMIC" dnl use_gnupg_extensions=yes dnl --------------- fi fi fi else AC_MSG_CHECKING(for dynamic loading) DYNLINK_LDFLAGS= DYNLINK_MOD_CFLAGS= use_gnupg_extensions=no AC_MSG_RESULT(has been disabled) fi AM_CONDITIONAL(ENABLE_GNUPG_EXTENSIONS, test "$use_gnupg_extensions" = yes ) AC_SUBST(DYNLINK_LDFLAGS) AC_SUBST(DYNLINK_MOD_CFLAGS) dnl Checks for header files. AC_HEADER_STDC AC_CHECK_HEADERS(unistd.h langinfo.h) dnl Checks for typedefs, structures, and compiler characteristics. AC_C_CONST AC_C_INLINE AC_TYPE_SIZE_T AC_TYPE_SIGNAL AC_DECL_SYS_SIGLIST GNUPG_CHECK_ENDIAN GNUPG_CHECK_TYPEDEF(byte, HAVE_BYTE_TYPEDEF) GNUPG_CHECK_TYPEDEF(ushort, HAVE_USHORT_TYPEDEF) GNUPG_CHECK_TYPEDEF(ulong, HAVE_ULONG_TYPEDEF) GNUPG_CHECK_TYPEDEF(u16, HAVE_U16_TYPEDEF) GNUPG_CHECK_TYPEDEF(u32, HAVE_U32_TYPEDEF) AC_CHECK_SIZEOF(unsigned short, 2) AC_CHECK_SIZEOF(unsigned int, 4) AC_CHECK_SIZEOF(unsigned long, 4) if test "$ac_cv_sizeof_unsigned_short" = "0" \ || test "$ac_cv_sizeof_unsigned_int" = "0" \ || test "$ac_cv_sizeof_unsigned_long" = "0"; then AC_MSG_WARN([Hmmm, something is wrong with the sizes - using defaults]); fi dnl Checks for library functions. AC_FUNC_VPRINTF AC_CHECK_FUNCS(strerror stpcpy strlwr stricmp tcgetattr rand strtoul mmap) AC_CHECK_FUNCS(memmove gettimeofday getrusage gethrtime setrlimit) AC_CHECK_FUNCS(memicmp atexit raise getpagesize strftime nl_langinfo) 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 "$ac_cv_lib_cap_cap_init" = "yes"; then AC_DEFINE(USE_CAPABILITIES) LIBS="$LIBS -lcap" use_capabilities=yes fi fi if test "$use_capabilities" = "no" ; then AC_MSG_WARN([[ *** *** The use of capabilities on this system is not possible. *** You need a recent Linux kernel and some patches: *** fcaps-2.2.9-990610.patch (kernel patch for 2.2.9) *** fcap-module-990613.tar.gz (kernel module) *** libcap-1.92.tar.gz (user mode library and utilities) *** And you have to configure the kernel with CONFIG_VFS_CAP_PLUGIN *** set (filesystems menu). Be warned: This code is *really* ALPHA. ***]]) fi fi GNUPG_CHECK_IPC if test "$ac_cv_header_sys_shm_h" = "yes"; then AC_DEFINE(USE_SHM_COPROCESSING) fi dnl dnl check whether we have a random device dnl if test "$try_dev_random" = yes ; then AC_CACHE_CHECK(for random device, ac_cv_have_dev_random, [if test -c "$NAME_OF_DEV_RANDOM" && test -c "$NAME_OF_DEV_URANDOM" ; then ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi]) if test "$ac_cv_have_dev_random" = yes; then AC_DEFINE(HAVE_DEV_RANDOM) fi else AC_MSG_CHECKING(for random device) ac_cv_have_dev_random=no AC_MSG_RESULT(has been disabled) fi dnl dnl and whether this device supports ioctl dnl (Note, that we should do a real test here) dnl if test "$ac_cv_have_dev_random" = yes ; then AC_CHECK_HEADERS(linux/random.h) AC_CACHE_CHECK(for random device ioctl, ac_cv_have_dev_random_ioctl, [ if test "$ac_cv_header_linux_random_h" = yes ; then ac_cv_have_dev_random_ioctl=yes; else ac_cv_have_dev_random_ioctl=no; fi ]) if test "$ac_cv_have_dev_random_ioctl" = yes; then AC_DEFINE(HAVE_DEV_RANDOM_IOCTL) fi fi dnl dnl Figure out the default linkage mode for random modules dnl print_egd_notice=no if test "$use_static_rnd" = default; then if test "$ac_cv_have_dev_random" = yes; then static_random_module="rndlinux" else case "${target}" in *-*-mingw32) static_random_module="rndw32" AC_DEFINE(USE_STATIC_RNDW32) ;; i?86-emx-os2|i?86-*-os2*emx) static_random_module="rndos2" ;; m68k-atari-mint) static_random_module="rndatari" ;; i?86-*-msdosdjgpp*) : ;; *) static_random_module="rndunix" print_egd_notice=yes ;; esac fi else if test "$use_static_rnd" = none; then : else static_random_module="rnd$use_static_rnd" if test "$use_static_rnd" = "unix"; then print_egd_notice=yes fi fi fi if test "$print_egd_notice" = "yes"; then AC_MSG_WARN([[ *** *** The performance of the UNIX random gatherer module is not very good *** and it does not keep the entropy pool over multiple invocations of *** GnuPG. The suggested way to overcome this problem is to use the *** *** Entropy Gathering Daemon (EGD) *** *** which provides a entropy source for the whole system. It is written *** in Perl and available at the GnuPG FTP servers. For more information *** consult the GnuPG webpages: *** *** http://www.gnupg.org/download.html#egd *** *** You may want to run ./configure with --enable-static-rnd=none to be *** able to load the EGD client code dynamically; this way you can choose *** between RNDUNIX and RNDEGD without recompilation. ***]]) fi dnl dnl Parse the modules list and build the list dnl of static and dymically linked modules dnl dnl (We always need a static rmd160) static_modules="$static_modules rmd160 $static_random_module" STATIC_CIPHER_NAMES="" STATIC_CIPHER_OBJS="" DYNAMIC_CIPHER_MODS="" GNUPG_MSG_PRINT([dynamically linked cipher modules:]) for name in $MODULES_IN_CIPHER; do x="yes" for i in $disallowed_modules; do if test "$name" = "$i" ; then x="no" ; fi done; if test $x = yes; then x="no" for i in $static_modules; do if test "$name" = "$i" ; then x="yes" fi done; if test $x = yes; then STATIC_CIPHER_NAMES="$STATIC_CIPHER_NAMES $name" STATIC_CIPHER_OBJS="$STATIC_CIPHER_OBJS $name.o" else DYNAMIC_CIPHER_MODS="$DYNAMIC_CIPHER_MODS $name" GNUPG_MSG_PRINT([$name]) fi fi done AC_MSG_RESULT() AC_SUBST(STATIC_CIPHER_OBJS) AC_SUBST(STATIC_CIPHER_NAMES) AC_SUBST(DYNAMIC_CIPHER_MODS) dnl dnl And build the constructor file dnl test -d cipher || mkdir cipher cat <cipher/construct.c /* automatically generated by configure - do not edit */ G10EOF GNUPG_MSG_PRINT([statically linked cipher modules:]) for name in $STATIC_CIPHER_NAMES; do echo "void ${name}_constructor(void);" >>cipher/construct.c GNUPG_MSG_PRINT([$name]) done AC_MSG_RESULT() cat <>cipher/construct.c void cipher_modules_constructor(void) { static int done = 0; if( done ) return; done = 1; G10EOF for name in $STATIC_CIPHER_NAMES; do echo " ${name}_constructor();" >>cipher/construct.c done echo '}' >>cipher/construct.c dnl dnl Figure how to link the cipher modules dnl AC_SUBST(STATIC_CIPHER_OBJS) AC_SUBST(DYNAMIC_CIPHER_MODS) dnl setup assembler stuff AC_MSG_CHECKING(for mpi assembler functions) if test -f $srcdir/mpi/config.links ; then . $srcdir/mpi/config.links GNUPG_LINK_FILES($mpi_ln_src, $mpi_ln_dst) ac_cv_mpi_extra_asm_modules="$mpi_extra_modules" ac_cv_mpi_sflags="$mpi_sflags" ac_cv_mpi_config_done="yes" AC_MSG_RESULT(done) else AC_MSG_RESULT(failed) AC_MSG_ERROR([mpi/config.links missing!]) fi MPI_EXTRA_ASM_OBJS="" if test "$ac_cv_mpi_extra_asm_modules" != ""; then GNUPG_MSG_PRINT([mpi extra asm functions:]) for i in $ac_cv_mpi_extra_asm_modules; do GNUPG_MSG_PRINT([$i]) MPI_EXTRA_ASM_OBJS="$MPI_EXTRA_ASM_OBJS $i.o" done AC_MSG_RESULT() fi AC_SUBST(MPI_EXTRA_ASM_OBJS) MPI_SFLAGS="$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 "$g10_force_zlib" = "yes"; then : else AC_CHECK_HEADERS(zlib.h) if test "$ac_cv_header_zlib_h" = yes ; then AC_CHECK_LIB(z,deflateInit2_,use_local_zlib=no,:) fi fi if test "$use_local_zlib" = yes ; then AM_CONDITIONAL(ENABLE_LOCAL_ZLIB, true) GNUPG_LINK_FILES(zlib/zlib.h, zlib.h ) GNUPG_LINK_FILES(zlib/zconf.h, zconf.h ) ZLIBS="../zlib/libzlib.a" else AM_CONDITIONAL(ENABLE_LOCAL_ZLIB, false) ZLIBS= LIBS="-lz $LIBS" fi AC_SUBST(ZLIBS) changequote(,)dnl tmp_pat='[a-zA-Z]' changequote([,])dnl if echo "$VERSION" | grep "$tmp_pat" >/dev/null ; then AC_DEFINE(IS_DEVELOPMENT_VERSION) fi AM_CONDITIONAL(CROSS_COMPILING, test x$cross_compiling = xyes) GNUPG_DO_LINK_FILES GNUPG_CHECK_GNUMAKE if test "$GCC" = yes; then if test "$MAINTAINER_MODE" = "yes"; then CFLAGS="$CFLAGS -Wall -Wcast-align -Wshadow -Wstrict-prototypes" else CFLAGS="$CFLAGS -Wall" fi fi AC_OUTPUT_COMMANDS([ cat >g10defs.tmp </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=$libdir datadir=$datadir DATADIRNAME=$DATADIRNAME ]) AC_OUTPUT([ Makefile intl/Makefile po/Makefile.in util/Makefile mpi/Makefile cipher/Makefile g10/Makefile doc/Makefile tools/Makefile zlib/Makefile checks/Makefile ]) dnl *-*wedit:notab*-* Please keep this as the last line.