See ChangeLog: Thu Apr 8 09:35:53 CEST 1999 Werner Koch
[libgcrypt.git] / configure.in
index b7de3d7..a792ec0 100644 (file)
@@ -15,17 +15,54 @@ AM_CONFIG_HEADER(config.h)
 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}' \
+                                                $srcdir/cipher/Makefile.am`
+
+dnl
+dnl  Check for random module options
+dnl
+dnl  Fixme: get the list of available modules from MODULES_IN_CIPHER
+dnl         and check against this list
+
+AC_MSG_CHECKING([which static random module to use])
+AC_ARG_ENABLE(static-rnd,
+    [  --enable-static-rnd=[egd|unix|linux|none]  ],
+[use_static_rnd=$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],
@@ -49,15 +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 "$use_m_guard" = yes ; then
     AC_DEFINE(M_GUARD)
-    CFLAGS="$CFLAGS -g"
-else
-    CFLAGS="$CFLAGS -O2"
 fi
 
 
@@ -67,6 +101,7 @@ AC_ARG_WITH(included-zlib,
 [g10_force_zlib=yes], [g10_force_zlib=no] )
 AC_MSG_RESULT($g10_force_zlib)
 
+
 dnl Checks for programs.
 
 AC_CANONICAL_SYSTEM
@@ -82,15 +117,17 @@ dnl AM_MISSING_PROG(MAKEINFO, makeinfo, $missing_dir)
 AC_PROG_CC
 AC_PROG_CPP
 AC_ISC_POSIX
-AC_PROG_RANLIB
 AC_PROG_INSTALL
-AM_CYGWIN32
-
+AC_PROG_RANLIB
 
+MPI_OPT_FLAGS=""
 if test "$GCC" = yes; then
-    CFLAGS="$CFLAGS -Wall"
+    CFLAGS="$CFLAGS -Wall -Wcast-align -Wshadow -Wstrict-prototypes"
 fi
 
+
+try_gettext=yes
+try_gdbm=yes
 case "${target}" in
     i386--mingw32)
         # special stuff for Windoze NT
@@ -99,20 +136,40 @@ case "${target}" in
         CPP="i386--mingw32-gcc -E"
         RANLIB="i386--mingw32-ranlib"
         ac_cv_have_dev_random=no
-        AC_DEFINE(USE_RNDW32)
+        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_SYS_SYMBOL_UNDERSCORE
 GNUPG_CHECK_PIC
 GNUPG_CHECK_RDYNAMIC
 if test "$NO_PIC" = yes; then
@@ -124,6 +181,9 @@ case "${target}" in
     i386--mingw32)
         PRINTABLE_OS_NAME="MingW32"
         ;;
+    i386-emx-os2)
+        PRINTABLE_OS_NAME="OS/2"
+        ;;
     *-linux*)
         PRINTABLE_OS_NAME="GNU/Linux"
         ;;
@@ -148,13 +208,22 @@ case "${target}" in
 esac
 AC_DEFINE_UNQUOTED(NAME_OF_DEV_RANDOM, "$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 "$try_dynload" = yes ; then
@@ -170,18 +239,18 @@ if test "$try_dynload" = 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="$CFLAGS_RDYNAMIC"
-        use_gnupg_extensions=yes
-      fi
+dnl else
+dnl
+dnl  DLD is not ready for use. So I better disable this test
+dnl
+dnl    AC_CHECK_LIB(dld,dld_link)
+dnl    if test "$ac_cv_lib_dld_dld_link" = "yes"; then
+dnl      AC_DEFINE(USE_DYNAMIC_LINKING)
+dnl      AC_DEFINE(HAVE_DLD_DLD_LINK)
+dnl      DYNLINK_LDFLAGS="$CFLAGS_RDYNAMIC"
+dnl      use_gnupg_extensions=yes
+dnl    fi
     fi
   fi
 else
@@ -250,7 +319,6 @@ AC_CACHE_CHECK(for random device, ac_cv_have_dev_random,
   ac_cv_have_dev_random=yes; else ac_cv_have_dev_random=no; fi])
 if test "$ac_cv_have_dev_random" = yes; then
     AC_DEFINE(HAVE_DEV_RANDOM)
-    AC_DEFINE(USE_RNDLINUX)
 fi
 else
     AC_MSG_CHECKING(for random device)
@@ -260,47 +328,106 @@ fi
 
 
 dnl
-dnl Figure how to link the random modules
+dnl Figure out the default linkage mode for cipher modules
 dnl
-if test "$ac_cv_have_dev_random" = yes; then
-    AC_DEFINE(USE_RNDLINUX)
-    STATIC_RANDOM_OBJS="rndlinux.o"
-    DYNAMIC_RANDOM_MODS=""
+dnl (We always need a static rmd160)
+static_modules="$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
-    case "${target}" in
-        i386--mingw32)
-            AC_DEFINE(USE_RNDW32)
-            STATIC_RANDOM_OBJS=""
-            DYNAMIC_RANDOM_MODS=""
-            ;;
-        m68k-atari-mint)
-            AC_DEFINE(USE_RNDATARI)
-            STATIC_RANDOM_OBJS=""
-            DYNAMIC_RANDOM_MODS=""
-            ;;
-        *)
-            AC_DEFINE(USE_RNDUNIX)
-            STATIC_RANDOM_OBJS="rndunix.o"
-            DYNAMIC_RANDOM_MODS=""
-           ;;
-    esac
+  if test "$use_static_rnd" = none; then
+    :
+  else
+    static_modules="$static_modules rnd$use_static_rnd"
+  fi
 fi
 
-AC_SUBST(STATIC_RANDOM_OBJS)
-AC_SUBST(DYNAMIC_RANDOM_MODS)
+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 <<G10EOF >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 <<G10EOF >>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
-dnl (form now these are only dynamic)
-STATIC_CIPHER_OBJS=""
-DYNAMIC_CIPHER_MODS="twofish tiger"
 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
@@ -349,9 +476,43 @@ 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_COMMANDS([
+cat >g10defs.tmp <<G10EOF
+/* Generated automatically by configure */
+#ifdef HAVE_DRIVE_LETTERS
+  #define G10_LOCALEDIR "c:/lib/gnupg/locale"
+  #define GNUPG_LIBDIR  "c:/lib/gnupg"
+  #define GNUPG_DATADIR "c:/lib/gnupg"
+#else
+  #define G10_LOCALEDIR "${prefix}/${DATADIRNAME}/locale"
+  #define GNUPG_LIBDIR  "${libdir}/gnupg"
+  #define GNUPG_DATADIR "${datadir}/gnupg"
+#endif
+G10EOF
+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=$libdir
+datadir=$datadir
+DATADIRNAME=$DATADIRNAME
+])
+
+
 AC_OUTPUT([
 Makefile
 intl/Makefile