See ChangeLog: Fri Feb 19 18:01:54 CET 1999 Werner Koch
[gnupg.git] / configure.in
index f6c9f6a..35aaa62 100644 (file)
 dnl
-dnl Configure template for G10
+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_INIT(g10/g10.c)
 AC_CONFIG_AUX_DIR(scripts)
-AC_CONFIG_HEADER(config.h)
+AM_CONFIG_HEADER(config.h)
+
 
-VERSION=0.0.0
-PACKAGE=g10
+VERSION=`cat $srcdir/VERSION`
+PACKAGE=gnupg
+ALL_LINGUAS="de es_ES fr it pl pt_BR ru"
+static_modules="sha1 md5 rmd160"
 AC_SUBST(VERSION)
 AC_SUBST(PACKAGE)
 AC_DEFINE_UNQUOTED(VERSION, "$VERSION")
 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE")
 
+MODULES_IN_CIPHER=`awk '/# MODULES: / { for(i=3;i<=NF;i++) print $i}' \
+                                                $srcdir/cipher/Makefile.am`
+
+AC_MSG_CHECKING([whether use of /dev/random is requested])
+AC_ARG_ENABLE(dev-random,
+[  --disable-dev-random    disable the use of dev random],
+    try_dev_random=$enableval, try_dev_random=yes)
+AC_MSG_RESULT($try_dev_random)
+
+AC_MSG_CHECKING([whether use of extensions is requested])
+AC_ARG_ENABLE(dynload,
+[  --disable-dynload       disable use of extensions],
+    try_dynload=$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($try_asm_modules)
+
+AC_MSG_CHECKING([whether memory debugging is requested])
 AC_ARG_ENABLE(m-debug,
-[  --enable-m-debug    Enable debugging of memory allocation])
-if test "$enableval" = y || test "$enableval" = yes; then
+[  --enable-m-debug        enable debugging of memory allocation],
+use_m_debug=$enableval, use_m_debug=no)
+AC_MSG_RESULT($use_m_debug)
+if test "$use_m_debug" = yes; then
     AC_DEFINE(M_DEBUG)
-    CFLAGS="-g"
+    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 Checks for programs.
 
+AC_CANONICAL_SYSTEM
+AC_ARG_PROGRAM
 AC_PROG_MAKE_SET
-AC_PROG_RANLIB
-AC_PROG_INSTALL
+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_RANLIB
+AC_PROG_INSTALL
+dnl AC_CYGWIN32
+dnl AM_PROG_LIBTOOL
 
-AC_ARG_PROGRAM
+MPI_OPT_FLAGS=""
+if test "$GCC" = yes; then
+    CFLAGS="$CFLAGS -Wall -Wcast-align -Wshadow -Wstrict-prototypes"
+fi
+
+
+try_gettext=yes
+try_gdbm=yes
+case "${target}" in
+    i386--mingw32)
+        # special stuff for Windoze NT
+        cross_compiling=yes
+        CC="i386--mingw32-gcc"
+        CPP="i386--mingw32-gcc -E"
+        RANLIB="i386--mingw32-ranlib"
+        ac_cv_have_dev_random=no
+        AC_DEFINE(USE_ONLY_8DOT3)
+        AC_DEFINE(HAVE_DRIVE_LETTERS)
+        AC_DEFINE(HAVE_DOSISH_SYSTEM)
+        try_gettext="no"
+        try_gdbm="no"
+        ;;
+    i386-emx-os2)
+        # OS/2 with the EMX environment
+        ac_cv_have_dev_random=no
+        AC_DEFINE(HAVE_DRIVE_LETTERS)
+        AC_DEFINE(HAVE_DOSISH_SYSTEM)
+        try_gettext="no"
+        try_gdbm="no"
+        ;;
+    *-*-hpux*)
+        if test -z "$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="$CFLAGS -w"
+        fi
+        ;;
+    m68k-atari-mint)
+        ;;
+    *)
+       ;;
+esac
+
+AC_SUBST(MPI_OPT_FLAGS)
+
+GNUPG_CHECK_PIC
+GNUPG_CHECK_RDYNAMIC
+if test "$NO_PIC" = yes; then
+    try_dynload=no
+fi
+
+
+case "${target}" in
+    i386--mingw32)
+        PRINTABLE_OS_NAME="MingW32"
+        ;;
+    i386-emx-os2)
+        PRINTABLE_OS_NAME="OS/2"
+        ;;
+    *-linux*)
+        PRINTABLE_OS_NAME="GNU/Linux"
+        ;;
+    *)
+        PRINTABLE_OS_NAME=`uname -s || echo "Unknown"`
+        ;;
+esac
+AC_DEFINE_UNQUOTED(PRINTABLE_OS_NAME, "$PRINTABLE_OS_NAME")
+
+dnl  Fixme: Are these the best flags for OpenBSD????
+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 $CFLAGS_PIC -lc"
+        ;;
+esac
+AC_DEFINE_UNQUOTED(NAME_OF_DEV_RANDOM, "$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 "$try_gettext" = yes; then
+AM_GNU_GETTEXT
+fi
+
+if test "$try_gdbm" = yes; then
+AC_CHECK_LIB(gdbm,gdbm_firstkey)
+fi
+
+dnl Solaris needs -lsocket and -lnsl
+AC_CHECK_LIB(socket, socket)
+AC_CHECK_LIB(nsl, gethostbyname)
+
+
+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="$CFLAGS_RDYNAMIC"
+    use_gnupg_extensions=yes
+  else
+    AC_CHECK_LIB(c,dlopen)
+    if test "$ac_cv_lib_c_dlopen" = "yes"; then
+      AC_DEFINE(USE_DYNAMIC_LINKING)
+      AC_DEFINE(HAVE_DL_DLOPEN)
+      DYNLINK_LDFLAGS="$CFLAGS_RDYNAMIC"
+      dnl fixme: this is probably false but it should
+      dnl work for freebsd
+      AC_DEFINE(DLSYM_NEEDS_UNDERSCORE)
+      use_gnupg_extensions=yes
+    else
+      AC_CHECK_LIB(dld,dld_link)
+      if test "$ac_cv_lib_dld_dld_link" = "yes"; then
+        AC_DEFINE(USE_DYNAMIC_LINKING)
+        AC_DEFINE(HAVE_DLD_DLD_LINK)
+        DYNLINK_LDFLAGS="$CFLAGS_RDYNAMIC"
+        use_gnupg_extensions=yes
+      fi
+    fi
+  fi
+else
+  AC_MSG_CHECKING(for dynamic loading)
+  DYNLINK_LDFLAGS=
+  DYNLINK_MOD_CFLAGS=
+  use_gnupg_extensions=no
+  AC_MSG_RESULT(has been disabled)
+fi
+
+AM_CONDITIONAL(ENABLE_GNUPG_EXTENSIONS, test "$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)
 
+
 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 strtol strtoul)
+AC_CHECK_FUNCS(strerror stpcpy strlwr tcgetattr rand strtoul mmap)
+AC_CHECK_FUNCS(memmove gettimeofday getrusage gethrtime setrlimit)
+AC_CHECK_FUNCS(memicmp atexit raise getpagesize strftime)
+
+GNUPG_CHECK_MLOCK
+
+GNUPG_CHECK_IPC
+if test "$ac_cv_header_sys_shm_h" = "yes"; then
+  AC_DEFINE(USE_SHM_COPROCESSING)
+fi
+
+dnl check whether we have a random device
+if test "$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
-AC_MSG_CHECKING(wether we have the rsa source)
-if test -f cipher/rsa.c && test -f cipher/rsa.h; then
-    AC_DEFINE(HAVE_RSA_CIPHER)
-    AC_MSG_RESULT(yes)
+dnl Figure out the default linkage mode for cipher modules
+dnl
+dnl (We always need a static rmd160)
+static_modules="$static_modules rmd160"
+if test "$ac_cv_have_dev_random" = yes; then
+    static_modules="$static_modules rndlinux"
 else
-    AC_MSG_RESULT(no)
+    case "${target}" in
+        i386--mingw32)
+            static_modules="$static_modules rndw32"
+            ;;
+        i386-emx-os2)
+            static_modules="$static_modules rndos2"
+            ;;
+        m68k-atari-mint)
+            static_modules="$static_modules rndatari"
+            ;;
+        *)
+            static_modules="$static_modules rndunix"
+           ;;
+    esac
 fi
 
-AC_OUTPUT([ Makefile util/Makefile mpi/Makefile cipher/Makefile \
-           g10/Makefile tools/Makefile ],
-         [echo timestamp > stamp-h ])
+dnl
+dnl Parse the modules list and build the list
+dnl of static and dymically linked modules
+dnl
+STATIC_CIPHER_NAMES=""
+STATIC_CIPHER_OBJS=""
+DYNAMIC_CIPHER_MODS=""
+GNUPG_MSG_PRINT([dynamically linked cipher modules:])
+for name in $MODULES_IN_CIPHER; do
+    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
+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
+cat <<EOF >cipher/construct.c
+/* automatically generated by configure - do not edit */
+
+EOF
+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 <<EOF >>cipher/construct.c
+
+void
+cipher_modules_constructor(void)
+{
+    static int done = 0;
+    if( done )
+        return;
+    done = 1;
+
+EOF
+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
+dnl (form now these are only dynamic)
+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).
+if test "$g10_force_zlib" = "yes"; then
+    ZLIBS="../zlib/libzlib.a"
+    AM_CONDITIONAL(ENABLE_LOCAL_ZLIB, true)
+    GNUPG_LINK_FILES(zlib/zlib.h, zlib.h )
+    GNUPG_LINK_FILES(zlib/zconf.h, zconf.h )
+else
+AC_CHECK_HEADERS(zlib.h)
+if test "$ac_cv_header_zlib_h" = yes ; then
+    LIBS="$LIBS -lz"
+    ZLIBS=
+    AM_CONDITIONAL(ENABLE_LOCAL_ZLIB, false)
+else
+    ZLIBS="../zlib/libzlib.a"
+    AM_CONDITIONAL(ENABLE_LOCAL_ZLIB, true)
+    GNUPG_LINK_FILES(zlib/zlib.h, zlib.h )
+    GNUPG_LINK_FILES(zlib/zconf.h, zconf.h )
+fi
+fi
+AC_SUBST(ZLIBS)
+
+if echo "$VERSION" | grep '[a-zA-Z]' >/dev/null ; then
+    AC_DEFINE(IS_DEVELOPMENT_VERSION)
+fi
+
+GNUPG_DO_LINK_FILES
+
 
+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.