See ChangeLog: Mon Mar 8 21:28:42 CET 1999 Werner Koch
[gnupg.git] / configure.in
index d0c8fcf..f5e9dfc 100644 (file)
@@ -2,34 +2,82 @@ 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_INIT(g10/g10.c)
 AC_CONFIG_AUX_DIR(scripts)
 AM_CONFIG_HEADER(config.h)
 
 
-if test "x$exec_prefix" = xNONE ; then
-    if test "x$prefix" = xNONE ; then
-       g10_prefix="$ac_default_prefix"
-    else
-       g10_prefix="$prefix"
-    fi
-else
-    g10_prefix="$exec_prefix"
-fi
-
-
 VERSION=`cat $srcdir/VERSION`
 PACKAGE=gnupg
-ALL_LINGUAS="de it"
+ALL_LINGUAS="de es_ES fr it pl pt_BR ru"
+static_modules="sha1 md5 rmd160"
 AC_SUBST(VERSION)
 AC_SUBST(PACKAGE)
 AC_DEFINE_UNQUOTED(VERSION, "$VERSION")
 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE")
 
+MODULES_IN_CIPHER=`awk '/# MODULES: / { for(i=3;i<=NF;i++) print $i}' \
+                                                $srcdir/cipher/Makefile.am`
+
+dnl
+dnl  Check for random module options
+dnl
+dnl  Fixme: get the list of available modules from MODULES_IN_CIPHER
+dnl         and check agiants this list
+
+AC_MSG_CHECKING([which static random module to use])
+AC_ARG_ENABLE(static-rnd,
+    [  --enable-static-rnd=[egd|unix|linux|nonde]  ],
+[use_static_rnd=$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 7dev/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],
+[  --enable-m-debug        enable debugging of memory allocation],
 use_m_debug=$enableval, use_m_debug=no)
 AC_MSG_RESULT($use_m_debug)
 if test "$use_m_debug" = yes; then
@@ -38,15 +86,12 @@ if test "$use_m_debug" = yes; then
 else
     AC_MSG_CHECKING([whether memory guard is requested])
     AC_ARG_ENABLE(m-guard,
-    [  --disable-m-guard       disable memory guard facility],
-    use_m_guard=$enableval, use_m_guard=yes)
+    [  --enable-m-guard        enable memory guard facility],
+    use_m_guard=$enableval, use_m_guard=no)
     AC_MSG_RESULT($use_m_guard)
 fi
 if test "$use_m_guard" = yes ; then
     AC_DEFINE(M_GUARD)
-    CFLAGS="-g -Wall"
-else
-    CFLAGS="-O2 -Wall"
 fi
 
 
@@ -57,50 +102,175 @@ AC_ARG_WITH(included-zlib,
 AC_MSG_RESULT($g10_force_zlib)
 
 
-AC_CANONICAL_SYSTEM
-WK_CHECK_CACHE
-
 dnl Checks for programs.
 
-AC_PROG_MAKE_SET
+AC_CANONICAL_SYSTEM
 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, $missing_dir)
+AC_PROG_CC
+AC_PROG_CPP
 AC_ISC_POSIX
+AC_PROG_INSTALL
+AM_PROG_LIBTOOL
+
+MPI_OPT_FLAGS=""
+if test "$GCC" = yes; then
+    CFLAGS="$CFLAGS -Wall -Wcast-align -Wshadow -Wstrict-prototypes"
+fi
+
 
+try_gettext=yes
+try_gdbm=yes
 case "${target}" in
     i386--mingw32)
-       # special stuff for Windoze NT
-       cross_compiling=yes
-       CC="i386--mingw32-gcc"
-       CPP="i386--mingw32-gcc -E"
-       RANLIB="i386--mingw32-ranlib"
-       ac_cv_have_dev_random=no
-       PRINTABLE_OS_NAME="MingW32"
-       ;;
+        # special stuff for Windoze NT
+        cross_compiling=yes
+        CC="i386--mingw32-gcc"
+        CPP="i386--mingw32-gcc -E"
+        RANLIB="i386--mingw32-ranlib"
+        ac_cv_have_dev_random=no
+        AC_DEFINE(USE_ONLY_8DOT3)
+        AC_DEFINE(HAVE_DRIVE_LETTERS)
+        AC_DEFINE(HAVE_DOSISH_SYSTEM)
+        try_gettext="no"
+        try_gdbm="no"
+        ;;
+    i386-emx-os2)
+        # OS/2 with the EMX environment
+        ac_cv_have_dev_random=no
+        AC_DEFINE(HAVE_DRIVE_LETTERS)
+        AC_DEFINE(HAVE_DOSISH_SYSTEM)
+        try_gettext="no"
+        try_gdbm="no"
+        ;;
+    *-*-hpux*)
+        if test -z "$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="$CFLAGS -w"
+        fi
+        ;;
+    m68k-atari-mint)
+        ;;
     *)
-AC_PROG_RANLIB
-AC_PROG_INSTALL
-AC_PROG_CC
-AC_PROG_CPP
-       PRINTABLE_OS_NAME=`uname -s || echo "Unknown"`
        ;;
 esac
+
+AC_SUBST(MPI_OPT_FLAGS)
+AM_SYS_SYMBOL_UNDERSCORE
+GNUPG_CHECK_PIC
+GNUPG_CHECK_RDYNAMIC
+if test "$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="$CFLAGS_RDYNAMIC"
+      use_gnupg_extensions=yes
+dnl else
+dnl
+dnl  DLD is not ready for use. So I better disable this test
+dnl
+dnl    AC_CHECK_LIB(dld,dld_link)
+dnl    if test "$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)
 
 
-
 dnl Checks for typedefs, structures, and compiler characteristics.
 AC_C_CONST
 AC_C_INLINE
@@ -108,14 +278,14 @@ AC_TYPE_SIZE_T
 AC_TYPE_SIGNAL
 AC_DECL_SYS_SIGLIST
 
-WK_CHECK_ENDIAN
+GNUPG_CHECK_ENDIAN
 
 
-WK_CHECK_TYPEDEF(byte, HAVE_BYTE_TYPEDEF)
-WK_CHECK_TYPEDEF(ushort, HAVE_USHORT_TYPEDEF)
-WK_CHECK_TYPEDEF(ulong, HAVE_ULONG_TYPEDEF)
-WK_CHECK_TYPEDEF(u16, HAVE_U16_TYPEDEF)
-WK_CHECK_TYPEDEF(u32, HAVE_U32_TYPEDEF)
+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)
@@ -131,27 +301,140 @@ fi
 
 dnl Checks for library functions.
 AC_FUNC_VPRINTF
-AC_CHECK_FUNCS(strerror stpcpy strlwr tcgetattr rand strtoul mlock mmap)
-AC_CHECK_FUNCS(gettimeofday getrusage)
-
+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 "$try_dev_random" = yes ; then
 AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
-[if test -c /dev/random && test -c /dev/urandom ; then
+[if test -c "$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 Figure out the default linkage mode for cipher modules
+dnl
+dnl (We always need a static rmd160)
+static_modules="$static_modules rmd160"
+if test "$use_static_rnd" = default; then
+  if test "$ac_cv_have_dev_random" = yes; then
+      static_modules="$static_modules rndlinux"
+  else
+      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="$static_modules rndunix"
+             ;;
+      esac
+  fi
+else
+  if test "$use_static_rnd" = none; then
+    :
+  else
+    static_modules="$static_modules rnd$use_static_rnd"
+  fi
+fi
+
+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
+
+test -d cipher || mkdir cipher
+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
+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
     . $srcdir/mpi/config.links
-    WK_LINK_FILES($mpi_ln_src, $mpi_ln_dst)
+    GNUPG_LINK_FILES($mpi_ln_src, $mpi_ln_dst)
     ac_cv_mpi_extra_asm_modules="$mpi_extra_modules"
+    ac_cv_mpi_sflags="$mpi_sflags"
     ac_cv_mpi_config_done="yes"
     AC_MSG_RESULT(done)
 else
@@ -160,22 +443,24 @@ else
 fi
 MPI_EXTRA_ASM_OBJS=""
 if test "$ac_cv_mpi_extra_asm_modules" != ""; then
-WK_MSG_PRINT([mpi extra asm functions:])
+GNUPG_MSG_PRINT([mpi extra asm functions:])
 for i in $ac_cv_mpi_extra_asm_modules; do
-    WK_MSG_PRINT([$i])
+    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 "$g10_force_zlib" = "yes"; then
     ZLIBS="../zlib/libzlib.a"
     AM_CONDITIONAL(ENABLE_LOCAL_ZLIB, true)
-    WK_LINK_FILES(zlib/zlib.h, zlib.h )
-    WK_LINK_FILES(zlib/zconf.h, zconf.h )
+    GNUPG_LINK_FILES(zlib/zlib.h, zlib.h )
+    GNUPG_LINK_FILES(zlib/zconf.h, zconf.h )
 else
 AC_CHECK_HEADERS(zlib.h)
 if test "$ac_cv_header_zlib_h" = yes ; then
@@ -185,34 +470,18 @@ if test "$ac_cv_header_zlib_h" = yes ; then
 else
     ZLIBS="../zlib/libzlib.a"
     AM_CONDITIONAL(ENABLE_LOCAL_ZLIB, true)
-    WK_LINK_FILES(zlib/zlib.h, zlib.h )
-    WK_LINK_FILES(zlib/zconf.h, zconf.h )
+    GNUPG_LINK_FILES(zlib/zlib.h, zlib.h )
+    GNUPG_LINK_FILES(zlib/zconf.h, zconf.h )
 fi
 fi
 AC_SUBST(ZLIBS)
 
-
-dnl checking whether we have other cipher source files
-CIPHER_EXTRA_OBJS=""
-CIPHER_EXTRA_DIST=""
-AC_CACHE_CHECK(for extra cipher modules, ac_cv_have_rsa_cipher,
-[if test -f $srcdir/cipher/rsa.c && test -f $srcdir/cipher/rsa.h; then
-  ac_cv_have_rsa_cipher=yes; else ac_cv_have_rsa_cipher=no; fi])
-if test $ac_cv_have_rsa_cipher = yes; then
-    AC_DEFINE(HAVE_RSA_CIPHER)
-    CIPHER_EXTRA_OBJS="rsa.o"
-    CIPHER_EXTRA_DIST="rsa.c rsa.h"
+if echo "$VERSION" | grep '[a-zA-Z]' >/dev/null ; then
+    AC_DEFINE(IS_DEVELOPMENT_VERSION)
 fi
-AC_SUBST(CIPHER_EXTRA_OBJS)
-AC_SUBST(CIPHER_EXTRA_DIST)
 
-AM_GNU_GETTEXT
-G10_LOCALEDIR="$g10_prefix/$DATADIRNAME/locale"
-AC_SUBST(G10_LOCALEDIR)
-AC_DEFINE_UNQUOTED(G10_LOCALEDIR, "$G10_LOCALEDIR")
-WK_LINK_FILES($nls_cv_header_libgt, $nls_cv_header_intl )
+GNUPG_DO_LINK_FILES
 
-WK_DO_LINK_FILES
 
 AC_OUTPUT([
 Makefile
@@ -226,5 +495,6 @@ doc/Makefile
 tools/Makefile
 zlib/Makefile
 checks/Makefile
-],[echo timestamp >stamp-h; sed -e "/POTFILES =/r po/POTFILES" po/Makefile.in > po/Makefile])
+])
 
+dnl *-*wedit:notab*-*  Please keep this as the last line.