Moved random stuff into its own directory.
[libgcrypt.git] / configure.ac
index 15194b9..c81903f 100644 (file)
@@ -1,11 +1,11 @@
 # Configure.ac script for Libgcrypt
-# Copyright (C) 1998, 1999, 2000, 2001, 2002
-#               2003, 2004 Free Software Foundation, Inc.
+# Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2006,
+#               2007, 2008 Free Software Foundation, Inc.
 #
 # This file is part of Libgcrypt.
 #
 # Libgcrypt is free software; you can redistribute it and/or modify
-# it under the terms of the GNU Lesser general Public License as
+# it under the terms of the GNU Lesser General Public License as
 # published by the Free Software Foundation; either version 2.1 of
 # the License, or (at your option) any later version.
 #
 # GNU Lesser General Public License for more details.
 #
 # You should have received a copy of the GNU Lesser General Public
-# License along with this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
-#
+# License along with this program; if not, see <http://www.gnu.org/licenses/>.
+
 # (Process this file with autoconf to produce a configure script.)
 AC_REVISION($Revision$)
-AC_PREREQ(2.57)
-min_automake_version="1.7.6"
+AC_PREREQ(2.60)
+min_automake_version="1.10"
 
-# Version number: Remember to change it immediately *after* a release
-# but remove a "-cvs" prefix right *before* a release and append it
-# soon later.
 
-AC_INIT(libgcrypt, 1.2.0, bug-libgcrypt@gnupg.org)
+# Remember to change the version number immediately *after* a release.
+# Set my_issvn to "yes" for non-released code.  Remember to run an
+# "svn up" and "autogen.sh" right before creating a distribution.
+m4_define([my_version], [1.4.2])
+m4_define([my_issvn], [yes])
 
+m4_define([svn_revision], m4_esyscmd([echo -n $( (svn info 2>/dev/null \
+            || echo 'Revision: 0')|sed -n '/^Revision:/ {s/[^0-9]//gp;q;}')]))
+AC_INIT([libgcrypt], 
+        [my_version[]m4_if(my_issvn,[yes],[-svn[]svn_revision])],
+        [bug-libgcrypt@gnupg.org])
 # LT Version numbers, remember to change them just *before* a release.
 #   (Interfaces removed:    CURRENT++, AGE=0, REVISION=0)
 #   (Interfaces added:      CURRENT++, AGE++, REVISION=0)
 #   (No interfaces changed:                   REVISION++)
-LIBGCRYPT_LT_CURRENT=12
-LIBGCRYPT_LT_AGE=1
-LIBGCRYPT_LT_REVISION=1
+LIBGCRYPT_LT_CURRENT=15
+LIBGCRYPT_LT_AGE=4
+LIBGCRYPT_LT_REVISION=4
+
 
 # If the API is changed in an incompatible way: increment the next counter.
 LIBGCRYPT_CONFIG_API_VERSION=1
 
-NEED_GPG_ERROR_VERSION=0.5
-
+NEED_GPG_ERROR_VERSION=1.4
 
+is_development_version=my_issvn
+BUILD_REVISION=svn_revision
 PACKAGE=$PACKAGE_NAME
 VERSION=$PACKAGE_VERSION
 
-AC_CONFIG_SRCDIR([src/gcrypt.h])
-AC_CANONICAL_TARGET()
+AC_CONFIG_SRCDIR([src/libgcrypt.vers])
 AM_INIT_AUTOMAKE($PACKAGE, $VERSION)
 AM_CONFIG_HEADER(config.h)
+AC_CANONICAL_HOST
 AM_MAINTAINER_MODE
 
 AH_TOP([
+#ifndef _GCRYPT_CONFIG_H_INCLUDED
+#define _GCRYPT_CONFIG_H_INCLUDED
 /* need this, because some autoconf tests rely on this (e.g. stpcpy)
  * and it should be used for new programs  */
 #define _GNU_SOURCE  1
@@ -60,6 +69,25 @@ AH_TOP([
 
 AH_BOTTOM([
 #define _GCRYPT_IN_LIBGCRYPT 1
+
+/* If the configure check for endianness has been disabled, get it from
+   OS macros.  This is intended for making fat binary builds on OS X.  */
+#ifdef DISABLED_ENDIAN_CHECK
+# if defined(__BIG_ENDIAN__)
+#  define WORDS_BIGENDIAN 1
+# elif defined(__LITTLE_ENDIAN__)
+#  undef WORDS_BIGENDIAN
+# else
+#  error "No endianness found"
+# endif
+#endif /*DISABLED_ENDIAN_CHECK*/
+
+/* We basically use the original Camellia source.  Make sure the symbols 
+   properly prefixed.  */
+#define CAMELLIA_EXT_SYM_PREFIX _gcry_
+
+
+#endif /*_GCRYPT_CONFIG_H_INCLUDED*/
 ])
 
 AH_VERBATIM([_REENTRANT],
@@ -70,6 +98,7 @@ AH_VERBATIM([_REENTRANT],
 #endif
 ])
 
+
 AC_SUBST(LIBGCRYPT_LT_CURRENT)
 AC_SUBST(LIBGCRYPT_LT_AGE)
 AC_SUBST(LIBGCRYPT_LT_REVISION)
@@ -78,6 +107,31 @@ AC_SUBST(VERSION)
 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package])
 AC_DEFINE_UNQUOTED(VERSION, "$VERSION", [Version of this package])
 
+
+######################
+##  Basic checks.  ### (we need some results later on (e.g. $GCC)
+######################
+
+AC_PROG_MAKE_SET
+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
+AM_PROG_CC_C_O
+AM_PROG_AS
+AC_ISC_POSIX
+AC_PROG_INSTALL
+AC_PROG_AWK
+
+AC_LIBTOOL_WIN32_DLL
+AC_LIBTOOL_RC
+AM_PROG_LIBTOOL
+
+
 ##########################
 ## General definitions. ##
 ##########################
@@ -87,16 +141,17 @@ LIBGCRYPT_CONFIG_LIBS="-lgcrypt"
 LIBGCRYPT_CONFIG_CFLAGS=""
 
 # Definitions for symmetric ciphers.
-available_ciphers="arcfour blowfish cast5 des aes twofish serpent rfc2268"
+available_ciphers="arcfour blowfish cast5 des aes twofish serpent rfc2268 seed"
+available_ciphers="$available_ciphers camellia"
 enabled_ciphers=""
 
 # Definitions for public-key ciphers.
-available_pubkey_ciphers="dsa elgamal rsa"
+available_pubkey_ciphers="dsa elgamal rsa ecc"
 enabled_pubkey_ciphers=""
 
 # Definitions for message digests.
 available_digests="crc md4 md5 rmd160 sha1 sha256"
-available_digests_64="sha512 tiger"
+available_digests_64="sha512 tiger whirlpool"
 enabled_digests=""
 
 # Definitions for random modules.
@@ -108,12 +163,14 @@ LIBGCRYPT_THREAD_MODULES=""
 
 # Other definitions.
 print_egd_notice=no
+have_w32_system=no
 
-# Setup some stuff depending on host/target.
-case "${target}" in
+# Setup some stuff depending on host.
+case "${host}" in
     *-*-mingw32*)
       available_random_modules="w32"
       ac_cv_have_dev_random=no
+      have_w32_system=yes
       AC_DEFINE(USE_ONLY_8DOT3,1,
                 [set this to limit filenames to the 8.3 format])
       AC_DEFINE(HAVE_DRIVE_LETTERS,1,
@@ -162,8 +219,15 @@ case "${target}" in
       ;;
 esac
 
-# A printable OS Name is sometime useful.
-case "${target}" in
+if test "$have_w32_system" = yes; then
+   AC_DEFINE(HAVE_W32_SYSTEM,1, [Defined if we run on a W32 API based system])
+fi
+AM_CONDITIONAL(HAVE_W32_SYSTEM, test "$have_w32_system" = yes)
+
+
+
+# A printable OS Name is sometimes useful.
+case "${host}" in
     *-*-mingw32*)
         PRINTABLE_OS_NAME="MingW32"
         ;;
@@ -185,41 +249,39 @@ case "${target}" in
         ;;
 esac
 
-
-case "${target}" in
-    *-openbsd* | *-netbsd*)
-        # FIXME: Are these the best flags for OpenBSD?
+#
+# Figure out the name of the random device
+#
+case "${host}" in
+    *-openbsd*)
         NAME_OF_DEV_RANDOM="/dev/srandom"
         NAME_OF_DEV_URANDOM="/dev/urandom"
-#       DYNLINK_MOD_CFLAGS="-shared -rdynamic $CFLAGS_PIC -Wl,-Bshareable -Wl,-x"
-        ;;
-
-    *-solaris* | *-irix* | *-dec-osf* )
-        NAME_OF_DEV_RANDOM="/dev/random"
-        NAME_OF_DEV_URANDOM="/dev/random"
-#       DYNLINK_MOD_CFLAGS="-shared $CFLAGS_PIC"
         ;;
 
     *)
         NAME_OF_DEV_RANDOM="/dev/random"
         NAME_OF_DEV_URANDOM="/dev/urandom"
-        # -shared is a gcc-ism.  Find pic flags from GNUPG_CHECK_PIC.
-#        if test -n "$GCC" ; then
-#           DYNLINK_MOD_CFLAGS="-shared $CFLAGS_PIC"                            
-#        else
-#           DYNLINK_MOD_CFLAGS="$CFLAGS_PIC"
-#        fi
         ;;
 esac
 
 
-AC_C_BIGENDIAN
+AC_ARG_ENABLE(endian-check,
+              AC_HELP_STRING([--disable-endian-check],
+             [disable the endian check and trust the OS provided macros]),
+             endiancheck=$enableval,endiancheck=yes)
+if test x"$endiancheck" = xyes ; then
+  AC_C_BIGENDIAN
+else
+  AC_DEFINE(DISABLED_ENDIAN_CHECK,1,[configure did not test for endianess])
+fi
 
 AC_CHECK_SIZEOF(unsigned short, 2)
 AC_CHECK_SIZEOF(unsigned int, 4)
 AC_CHECK_SIZEOF(unsigned long, 4)
 AC_CHECK_SIZEOF(unsigned long long, 0)
 
+AC_TYPE_UINTPTR_T
+
 if test "$ac_cv_sizeof_unsigned_short" = "0" \
    || test "$ac_cv_sizeof_unsigned_int" = "0" \
    || test "$ac_cv_sizeof_unsigned_long" = "0"; then
@@ -237,7 +299,7 @@ else
 fi
 
 # If not specified otherwise, all available algorithms will be
-# included.
+# included.  
 default_ciphers="$available_ciphers"
 default_pubkey_ciphers="$available_pubkey_ciphers"
 default_digests="$available_digests"
@@ -250,7 +312,7 @@ default_digests="$available_digests"
 AC_ARG_ENABLE(ciphers,
              AC_HELP_STRING([--enable-ciphers=ciphers],
                             [select the symmetric ciphers to include]),
-             [enabled_ciphers=$(echo $enableval | tr , ' ' | tr '[A-Z]' '[a-z]')],
+             [enabled_ciphers=`echo $enableval | tr ',:' '  ' | tr '[A-Z]' '[a-z]'`],
              [enabled_ciphers=""])
 if test "x$enabled_ciphers" = "x" \
    -o "$enabled_ciphers" = "yes"  \
@@ -261,7 +323,7 @@ AC_MSG_CHECKING([which symmetric ciphers to include])
 for cipher in $enabled_ciphers; do
     LIST_MEMBER($cipher, $available_ciphers)
     if test "$found" = "0"; then
-       AC_MSG_ERROR([unsupported cipher specified])
+       AC_MSG_ERROR([unsupported cipher "$cipher" specified])
     fi
 done
 AC_MSG_RESULT([$enabled_ciphers])
@@ -270,7 +332,7 @@ AC_MSG_RESULT([$enabled_ciphers])
 AC_ARG_ENABLE(pubkey-ciphers,
              AC_HELP_STRING([--enable-pubkey-ciphers=ciphers],
                             [select the public-key ciphers to include]),
-             [enabled_pubkey_ciphers=$(echo $enableval | tr , ' ' | tr '[A-Z]' '[a-z]')],
+             [enabled_pubkey_ciphers=`echo $enableval | tr ',:' '  ' | tr '[A-Z]' '[a-z]'`],
              [enabled_pubkey_ciphers=""])
 if test "x$enabled_pubkey_ciphers" = "x" \
    -o "$enabled_pubkey_ciphers" = "yes"  \
@@ -290,7 +352,7 @@ AC_MSG_RESULT([$enabled_pubkey_ciphers])
 AC_ARG_ENABLE(digests,
              AC_HELP_STRING([--enable-digests=digests],
                             [select the message digests to include]),
-             [enabled_digests=$(echo $enableval | tr , ' ' | tr '[A-Z]' '[a-z]')],
+             [enabled_digests=`echo $enableval | tr ',:' '  ' | tr '[A-Z]' '[a-z]'`],
              [enabled_digests=""])
 if test "x$enabled_digests" = "x" \
    -o "$enabled_digests" = "yes"  \
@@ -310,7 +372,7 @@ AC_MSG_RESULT([$enabled_digests])
 AC_ARG_ENABLE(random,
              AC_HELP_STRING([--enable-random=name],
                             [select which random number generator to use]),
-             [random=$(echo $enableval | tr '[A-Z]' '[a-z]')],
+             [random=`echo $enableval | tr '[A-Z]' '[a-z]'`],
              [])
 if test "x$random" = "x" -o "$random" = "yes" -o "$random" = "no"; then
     random=default
@@ -339,11 +401,26 @@ 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])
 
+# Implementation of the --enable-random-daemon
+AC_MSG_CHECKING([whether the experimental random daemon is requested])
+AC_ARG_ENABLE([random-daemon],
+              AC_HELP_STRING([--enable-random-daemon],
+                             [Build and support the experimental gcryptrnd]),
+              [use_random_daemon=$enableval],
+              [use_random_daemon=no])
+AC_MSG_RESULT($use_random_daemon)
+if test x$use_random_daemon = xyes ; then
+    AC_DEFINE(USE_RANDOM_DAEMON,1,
+              [Define to support the experimental random daemon])
+fi
+AM_CONDITIONAL(USE_RANDOM_DAEMON, test x$use_random_daemon = xyes)
+
+
 # Implementation of --disable-asm.
-AC_MSG_CHECKING([whether assembler modules are requested])
+AC_MSG_CHECKING([whether MPI assembler modules are requested])
 AC_ARG_ENABLE([asm],
               AC_HELP_STRING([--disable-asm],
-                            [Disable assembler modules]),
+                            [Disable MPI assembler modules]),
               [try_asm_modules=$enableval],
               [try_asm_modules=yes])
 AC_MSG_RESULT($try_asm_modules)
@@ -351,9 +428,10 @@ AC_MSG_RESULT($try_asm_modules)
 # Implementation of the --enable-m-guard switch.
 AC_MSG_CHECKING([whether memory guard is requested])
 AC_ARG_ENABLE(m-guard,
-    [  --enable-m-guard        enable memory guard facility],
-    use_m_guard=$enableval, use_m_guard=no)
-    AC_MSG_RESULT($use_m_guard)
+              AC_HELP_STRING([--enable-m-guard],
+                             [Enable memory guard facility]),
+              [use_m_guard=$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
@@ -362,29 +440,25 @@ fi
 # Check whether we want to use Linux capabilities
 AC_MSG_CHECKING([whether use of capabilities is requested])
 AC_ARG_WITH(capabilities,
-    [  --with-capabilities     use linux capabilities [default=no]],
-[use_capabilities="$withval"],[use_capabilities=no])
+            AC_HELP_STRING([--with-capabilities],
+                           [Use linux capabilities [default=no]]),
+            [use_capabilities="$withval"],[use_capabilities=no])
 AC_MSG_RESULT($use_capabilities)
 
-##############################
-#### Checks for programs. ####
-##############################
 
-AC_PROG_MAKE_SET
-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, $missing_dir)
-AC_PROG_CC
-AC_PROG_CPP
-AM_PROG_AS
-AC_ISC_POSIX
-AC_PROG_INSTALL
-AC_PROG_AWK
+# Implementation of the --disable-padlock-support switch.
+AC_MSG_CHECKING([whether padlock support is requested])
+AC_ARG_ENABLE(padlock-support,
+              AC_HELP_STRING([--disable-padlock-support],
+                        [Disable support for the PadLock Engine of VIA processors]),
+             padlocksupport=$enableval,padlocksupport=yes)
+AC_MSG_RESULT($padlocksupport)
+if test x"$padlocksupport" = xyes ; then
+  AC_DEFINE(ENABLE_PADLOCK_SUPPORT, 1,
+            [Enable support for the PadLock engine.])
+fi
+
 
-AM_PROG_LIBTOOL
 
 AC_DEFINE_UNQUOTED(PRINTABLE_OS_NAME, "$PRINTABLE_OS_NAME",
                    [A human readable text with the name of the OS])
@@ -417,6 +491,9 @@ AC_DEFINE_UNQUOTED(NAME_OF_DEV_URANDOM, "$NAME_OF_DEV_URANDOM",
 #### Checks for libraries. ####
 ###############################
 
+#
+# gpg-error is required.
+#
 AM_PATH_GPG_ERROR("$NEED_GPG_ERROR_VERSION")
 if test "x$GPG_ERROR_LIBS" = "x"; then
   AC_MSG_ERROR([libgpg-error is needed.
@@ -426,20 +503,50 @@ fi
 AC_DEFINE(GPG_ERR_SOURCE_DEFAULT, GPG_ERR_SOURCE_GCRYPT,
           [The default error source for libgcrypt.])
 
-# Solaris needs -lsocket and -lnsl. Unisys system includes
-# 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="$LIBS -lnsl"
+#
+# Check whether the GNU Pth library is available.  We require this 
+# to build the optional gcryptrnd program.
+#
+AC_ARG_WITH(pth-prefix,
+            AC_HELP_STRING([--with-pth-prefix=PFX],
+                           [prefix where GNU Pth is installed (optional)]),
+     pth_config_prefix="$withval", pth_config_prefix="")
+if test x$pth_config_prefix != x ; then
+   PTH_CONFIG="$pth_config_prefix/bin/pth-config"
+fi
+if test "$use_random_daemon" = "yes"; then
+  AC_PATH_PROG(PTH_CONFIG, pth-config, no)
+  if test "$PTH_CONFIG" = "no"; then
+    AC_MSG_WARN([[
+***
+*** To build the Libgcrypt's random number daemon
+*** we need the support of the GNU Portable Threads Library.
+*** Download it from ftp://ftp.gnu.org/gnu/pth/
+*** On a Debian GNU/Linux system you might want to try 
+***   apt-get install libpth-dev
+***]])
+  else
+    GNUPG_PTH_VERSION_CHECK([1.3.7])
+    if test $have_pth = yes; then      
+       PTH_CFLAGS=`$PTH_CONFIG --cflags`
+       PTH_LIBS=`$PTH_CONFIG --ldflags`
+       PTH_LIBS="$PTH_LIBS `$PTH_CONFIG --libs --all`"
+       AC_DEFINE(USE_GNU_PTH, 1,
+                [Defined if the GNU Portable Thread Library should be used])
+       AC_DEFINE(HAVE_PTH, 1,
+                [Defined if the GNU Pth is available])
     fi
+  fi
 fi
+AC_SUBST(PTH_CFLAGS)
+AC_SUBST(PTH_LIBS)
+
+
+# Solaris needs -lsocket and -lnsl. Unisys system includes
+# gethostbyname in libsocket but needs libnsl for socket.
+AC_SEARCH_LIBS(setsockopt, [socket], ,
+       [AC_SEARCH_LIBS(setsockopt, [socket], , , [-lnsl])])
+AC_SEARCH_LIBS(setsockopt, [nsl])
 
 ##################################
 #### Checks for header files. ####
@@ -465,14 +572,105 @@ GNUPG_CHECK_TYPEDEF(ulong, HAVE_ULONG_TYPEDEF)
 GNUPG_CHECK_TYPEDEF(u16, HAVE_U16_TYPEDEF)
 GNUPG_CHECK_TYPEDEF(u32, HAVE_U32_TYPEDEF)
 
-AC_CHECK_TYPE(socklen_t,,
-              [AC_DEFINE_UNQUOTED([socklen_t],
-                                  [int],
-                                  [Define to `int' if unavailable.])],
-              [
-#include <sys/types.h>
-#include <sys/socket.h>
-              ])
+gl_TYPE_SOCKLEN_T
+case "${host}" in
+  *-*-mingw32*)
+    # socklen_t may or may not be defined depending on what headers
+    # are included.  To be safe we use int as this is the actual type.
+    FALLBACK_SOCKLEN_T="typedef int gcry_socklen_t;"
+    ;;
+  *)
+    if test ".$gl_cv_socklen_t_equiv" = "."; then
+      FALLBACK_SOCKLEN_T="typedef socklen_t gcry_socklen_t;"
+    else
+      FALLBACK_SOCKLEN_T="typedef ${gl_cv_socklen_t_equiv} gcry_socklen_t;"
+    fi
+esac
+AC_SUBST(FALLBACK_SOCKLEN_T)
+            
+#            
+# Check for ELF visibility support.
+#
+AC_CACHE_CHECK(whether the visibility attribute is supported,
+       gcry_cv_visibility_attribute,
+       [gcry_cv_visibility_attribute=no
+        AC_LANG_CONFTEST([AC_LANG_SOURCE(
+          [[int foo __attribute__ ((visibility ("hidden"))) = 1;
+            int bar __attribute__ ((visibility ("protected"))) = 1;
+          ]])])
+        
+        if ${CC-cc} -Werror -S conftest.c -o conftest.s \
+                  1>&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD ; then
+            if grep '\.hidden.*foo' conftest.s >/dev/null 2>&1 ; then
+                if grep '\.protected.*bar' conftest.s >/dev/null 2>&1; then
+                    gcry_cv_visibility_attribute=yes
+                fi
+            fi  
+        fi  
+       ])
+if test "$gcry_cv_visibility_attribute" = "yes"; then
+    AC_CACHE_CHECK(for broken visibility attribute,
+       gcry_cv_broken_visibility_attribute,
+       [gcry_cv_broken_visibility_attribute=yes
+        AC_LANG_CONFTEST([AC_LANG_SOURCE(
+          [[int foo (int x);
+            int bar (int x) __asm__ ("foo")
+                            __attribute__ ((visibility ("hidden")));
+            int bar (int x) { return x; }
+          ]])])
+                  
+        if ${CC-cc} -Werror -S conftest.c -o conftest.s \
+                  1>&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD ; then
+           if grep '\.hidden@<:@       _@:>@foo' conftest.s >/dev/null 2>&1;
+            then
+               gcry_cv_broken_visibility_attribute=no
+           fi
+        fi
+       ])
+fi
+if test "$gcry_cv_visibility_attribute" = "yes"; then
+    AC_CACHE_CHECK(for broken alias attribute,
+       gcry_cv_broken_alias_attribute,
+       [gcry_cv_broken_alias_attribute=yes
+        AC_LANG_CONFTEST([AC_LANG_SOURCE(
+          [[extern int foo (int x) __asm ("xyzzy");
+            int bar (int x) { return x; }
+            extern __typeof (bar) foo __attribute ((weak, alias ("bar")));
+            extern int dfoo;
+            extern __typeof (dfoo) dfoo __asm ("abccb");
+            int dfoo = 1;
+          ]])])
+
+        if ${CC-cc} -Werror -S conftest.c -o conftest.s \
+                  1>&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD ; then
+           if grep 'xyzzy' conftest.s >/dev/null 2>&1 && \
+              grep 'abccb' conftest.s >/dev/null 2>&1; then
+              gcry_cv_broken_alias_attribute=no
+           fi
+        fi
+        ])
+fi
+if test "$gcry_cv_visibility_attribute" = "yes"; then
+    AC_CACHE_CHECK(if gcc supports -fvisibility=hidden,
+       gcry_cv_gcc_has_f_visibility,
+       [gcry_cv_gcc_has_f_visibility=no
+        _gcc_cflags_save=$CFLAGS
+        CFLAGS="-fvisibility=hidden"
+        AC_COMPILE_IFELSE(AC_LANG_PROGRAM([]),
+                          gcry_cv_gcc_has_f_visibility=yes)
+        CFLAGS=$_gcc_cflags_save;
+       ])
+fi
+if test "$gcry_cv_visibility_attribute" = "yes" \
+   && test "$gcry_cv_broken_visibility_attribute" != "yes" \
+   && test "$gcry_cv_broken_alias_attribute" != "yes" \
+   && test "$gcry_cv_gcc_has_f_visibility" = "yes"  
+ then
+   AC_DEFINE(GCRY_USE_VISIBILITY, 1,
+               [Define to use the GNU C visibility attribute.])
+   CFLAGS="$CFLAGS -fvisibility=hidden"
+fi
+
 
 #######################################
 #### Checks for library functions. ####
@@ -484,8 +682,9 @@ AC_CHECK_FUNCS(stpcpy strcasecmp)
 # We have replacements for these in src/g10lib.h
 AC_CHECK_FUNCS(strtoul memmove stricmp atexit raise)
 # Other checks
-AC_CHECK_FUNCS(strerror rand mmap getpagesize waitpid wait4)
+AC_CHECK_FUNCS(strerror rand mmap getpagesize sysconf waitpid wait4)
 AC_CHECK_FUNCS(gettimeofday getrusage gethrtime clock_gettime)
+AC_CHECK_FUNCS(fcntl ftruncate)
 
 GNUPG_CHECK_MLOCK
 
@@ -539,7 +738,7 @@ if test "$random" = "default"; then
         # Try Linuxish random device.
         random_modules="linux"
     else
-        case "${target}" in
+        case "${host}" in
         *-*-mingw32*|*-*-cygwin*)
           # Windows random device.
           random_modules="w32"
@@ -554,6 +753,8 @@ else
     if test "$random" = "auto"; then
         # Build everything, allow to select at runtime.
         random_modules="$auto_random_modules"
+    else
+        random_modules="$random"
     fi
 fi
 
@@ -562,45 +763,59 @@ fi
 # Setup assembler stuff.
 #
 GNUPG_SYS_SYMBOL_UNDERSCORE()
+AC_ARG_ENABLE(mpi-path,
+              AC_HELP_STRING([--enable-mpi-path=EXTRA_PATH],
+             [prepend EXTRA_PATH to list of CPU specific optimizations]),
+             mpi_extra_path="$enableval",mpi_extra_path="")
 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_mod_list="$mpi_mod_list"
     ac_cv_mpi_sflags="$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_MOD_LIST_LO=""
-MPI_MOD_LIST_O=""
-if test "$ac_cv_mpi_mod_list" != ""; then
-  for i in $ac_cv_mpi_mod_list; do
-      MPI_MOD_LIST_LO="$MPI_MOD_LIST_LO $i.lo"
-      MPI_MOD_LIST_O="$MPI_MOD_LIST_O $i.o"
-  done
-fi
-AC_SUBST(MPI_MOD_LIST_LO)
-AC_SUBST(MPI_MOD_LIST_O)
 MPI_SFLAGS="$ac_cv_mpi_sflags"
 AC_SUBST(MPI_SFLAGS)
 
-# Allow users to append something to the version string without
-# flagging it as development version.  The user version part is
-# considered everything after a dash.
-changequote(,)#
-tmp_pat='[a-zA-Z]'
-changequote([,])#
-if echo "$VERSION" | sed 's/-.*//' | grep "$tmp_pat" >/dev/null ; then
+AM_CONDITIONAL(MPI_MOD_ASM_MPIH_ADD1, test "$mpi_mod_asm_mpih_add1" = yes)
+AM_CONDITIONAL(MPI_MOD_ASM_MPIH_SUB1, test "$mpi_mod_asm_mpih_sub1" = yes)
+AM_CONDITIONAL(MPI_MOD_ASM_MPIH_MUL1, test "$mpi_mod_asm_mpih_mul1" = yes)
+AM_CONDITIONAL(MPI_MOD_ASM_MPIH_MUL2, test "$mpi_mod_asm_mpih_mul2" = yes)
+AM_CONDITIONAL(MPI_MOD_ASM_MPIH_MUL3, test "$mpi_mod_asm_mpih_mul3" = yes)
+AM_CONDITIONAL(MPI_MOD_ASM_MPIH_LSHIFT, test "$mpi_mod_asm_mpih_lshift" = yes)
+AM_CONDITIONAL(MPI_MOD_ASM_MPIH_RSHIFT, test "$mpi_mod_asm_mpih_rshift" = yes)
+AM_CONDITIONAL(MPI_MOD_ASM_UDIV, test "$mpi_mod_asm_udiv" = yes)
+AM_CONDITIONAL(MPI_MOD_ASM_UDIV_QRNND, test "$mpi_mod_asm_udiv_qrnnd" = yes)
+AM_CONDITIONAL(MPI_MOD_C_MPIH_ADD1, test "$mpi_mod_c_mpih_add1" = yes)
+AM_CONDITIONAL(MPI_MOD_C_MPIH_SUB1, test "$mpi_mod_c_mpih_sub1" = yes)
+AM_CONDITIONAL(MPI_MOD_C_MPIH_MUL1, test "$mpi_mod_c_mpih_mul1" = yes)
+AM_CONDITIONAL(MPI_MOD_C_MPIH_MUL2, test "$mpi_mod_c_mpih_mul2" = yes)
+AM_CONDITIONAL(MPI_MOD_C_MPIH_MUL3, test "$mpi_mod_c_mpih_mul3" = yes)
+AM_CONDITIONAL(MPI_MOD_C_MPIH_LSHIFT, test "$mpi_mod_c_mpih_lshift" = yes)
+AM_CONDITIONAL(MPI_MOD_C_MPIH_RSHIFT, test "$mpi_mod_c_mpih_rshift" = yes)
+AM_CONDITIONAL(MPI_MOD_C_UDIV, test "$mpi_mod_c_udiv" = yes)
+AM_CONDITIONAL(MPI_MOD_C_UDIV_QRNND, test "$mpi_mod_c_udiv_qrnnd" = yes)
+
+if test "$is_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
+
+# This is handy for debugging so the compiler doesn't rearrange
+# things and eliminate variables.
+AC_ARG_ENABLE(optimization,
+       AC_HELP_STRING([--disable-optimization],
+                     [disable compiler optimization]),
+                      [if test $enableval = no ; then
+                         CFLAGS=`echo $CFLAGS | sed 's/-O[[0-9]]//'`
+                       fi])
 
 AC_ARG_ENABLE(gcc-warnings,
              AC_HELP_STRING([--enable-gcc-warnings],
@@ -613,20 +828,34 @@ if test "$GCC" = yes; then
        test "$more_gcc_warnings" = "yes"; then
         CFLAGS="$CFLAGS -Wall -Wcast-align -Wshadow -Wstrict-prototypes"
         if test "$more_gcc_warnings" = "yes"; then
-            CFLAGS="$CFLAGS -W -Wpointer-arith -Wbad-function-cast"
-            CFLAGS="$CFLAGS -Wwrite-strings -Wunreachable-code"
+            CFLAGS="$CFLAGS -W -Wextra -Wbad-function-cast"
+            CFLAGS="$CFLAGS -Wwrite-strings"
+            CFLAGS="$CFLAGS -Wdeclaration-after-statement"
+            CFLAGS="$CFLAGS -Wno-missing-field-initializers"
             CFLAGS="$CFLAGS -Wno-sign-compare"
+            # Note: We don't use -Wunreachable-code because this gives
+            # warnings for all asserts and many inline functions like
+            # gpg_error (gcc 4.1.2 20060928).
         fi
     else
         CFLAGS="$CFLAGS -Wall"
     fi
+
+    AC_MSG_CHECKING([if gcc supports -Wpointer-arith])
+    _gcc_cflags_save=$CFLAGS
+    CFLAGS="-Wpointer-arith"
+    AC_COMPILE_IFELSE(AC_LANG_PROGRAM([]),_gcc_wopt=yes,_gcc_wopt=no)
+    AC_MSG_RESULT($_gcc_wopt)
+    CFLAGS=$_gcc_cflags_save;
+    if test x"$_gcc_wopt" = xyes ; then
+       CFLAGS="$CFLAGS -Wpointer-arith"
+    fi
 fi
 
-#
-# Make the version number in src/gcrypt.h the same as the one here.
-# (this is easier than to have a *.in file just for one substitution)
-#
-GNUPG_FIX_HDR_VERSION([src/gcrypt.h], GCRYPT_VERSION)
+# Check whether as(1) supports a noeexecstack feature.  This test
+# includes an override option.
+CL_AS_NOEXECSTACK
+
 
 AC_SUBST(LIBGCRYPT_CONFIG_API_VERSION)
 AC_SUBST(LIBGCRYPT_CONFIG_LIBS)
@@ -651,119 +880,161 @@ DATADIRNAME=$DATADIRNAME
 # selected ciphers, pubkey-ciphers, digests and random modules.
 
 LIST_MEMBER(arcfour, $enabled_ciphers)
-test "$found" = "1" && GCRYPT_CIPHERS="$GCRYPT_CIPHERS arcfour.lo"
-AC_DEFINE_UNQUOTED(USE_ARCFOUR, $found,
-                                 [Defined if this module should be included])
+if test "$found" = "1"; then 
+   GCRYPT_CIPHERS="$GCRYPT_CIPHERS arcfour.lo"
+   AC_DEFINE(USE_ARCFOUR, 1, [Defined if this module should be included])
+fi
 
 LIST_MEMBER(blowfish, $enabled_ciphers)
-test "$found" = "1" && GCRYPT_CIPHERS="$GCRYPT_CIPHERS blowfish.lo"
-AC_DEFINE_UNQUOTED(USE_BLOWFISH, $found,
-                                  [Defined if this module should be included])
+if test "$found" = "1" ; then
+   GCRYPT_CIPHERS="$GCRYPT_CIPHERS blowfish.lo"
+   AC_DEFINE(USE_BLOWFISH, 1, [Defined if this module should be included])
+fi
 
 LIST_MEMBER(cast5, $enabled_ciphers)
-test "$found" = "1" && GCRYPT_CIPHERS="$GCRYPT_CIPHERS cast5.lo"
-AC_DEFINE_UNQUOTED(USE_CAST5, $found,
-                               [Defined if this module should be included])
+if test "$found" = "1" ; then
+   GCRYPT_CIPHERS="$GCRYPT_CIPHERS cast5.lo"
+   AC_DEFINE(USE_CAST5, 1, [Defined if this module should be included])
+fi
 
 LIST_MEMBER(des, $enabled_ciphers)
-test "$found" = "1" && GCRYPT_CIPHERS="$GCRYPT_CIPHERS des.lo"
-AC_DEFINE_UNQUOTED(USE_DES, $found,
-                             [Defined if this module should be included])
+if test "$found" = "1" ; then
+   GCRYPT_CIPHERS="$GCRYPT_CIPHERS des.lo"
+   AC_DEFINE(USE_DES, 1, [Defined if this module should be included])
+fi
 
 LIST_MEMBER(aes, $enabled_ciphers)
-test "$found" = "1" && GCRYPT_CIPHERS="$GCRYPT_CIPHERS rijndael.lo"
-AC_DEFINE_UNQUOTED(USE_AES, $found,
-                             [Defined if this module should be included])
+if test "$found" = "1" ; then
+   GCRYPT_CIPHERS="$GCRYPT_CIPHERS rijndael.lo"
+   AC_DEFINE(USE_AES, 1, [Defined if this module should be included])
+fi
 
 LIST_MEMBER(twofish, $enabled_ciphers)
-test "$found" = "1" && GCRYPT_CIPHERS="$GCRYPT_CIPHERS twofish.lo"
-AC_DEFINE_UNQUOTED(USE_TWOFISH, $found,
-                                 [Defined if this module should be included])
+if test "$found" = "1" ; then
+   GCRYPT_CIPHERS="$GCRYPT_CIPHERS twofish.lo"
+   AC_DEFINE(USE_TWOFISH, 1, [Defined if this module should be included])
+fi
 
 LIST_MEMBER(serpent, $enabled_ciphers)
-test "$found" = "1" && GCRYPT_CIPHERS="$GCRYPT_CIPHERS serpent.lo"
-AC_DEFINE_UNQUOTED(USE_SERPENT, $found,
-                                 [Defined if this module should be included])
+if test "$found" = "1" ; then
+   GCRYPT_CIPHERS="$GCRYPT_CIPHERS serpent.lo"
+   AC_DEFINE(USE_SERPENT, 1, [Defined if this module should be included])
+fi
 
 LIST_MEMBER(rfc2268, $enabled_ciphers)
-test "$found" = "1" && GCRYPT_CIPHERS="$GCRYPT_CIPHERS rfc2268.lo"
-AC_DEFINE_UNQUOTED(USE_RFC2268, $found,
-                                 [Defined if this module should be included])
+if test "$found" = "1" ; then
+   GCRYPT_CIPHERS="$GCRYPT_CIPHERS rfc2268.lo"
+   AC_DEFINE(USE_RFC2268, 1, [Defined if this module should be included])
+fi
+
+LIST_MEMBER(seed, $enabled_ciphers)
+if test "$found" = "1" ; then
+   GCRYPT_CIPHERS="$GCRYPT_CIPHERS seed.lo"
+   AC_DEFINE(USE_SEED, 1, [Defined if this module should be included])
+fi
+
+LIST_MEMBER(camellia, $enabled_ciphers)
+if test "$found" = "1" ; then
+   GCRYPT_CIPHERS="$GCRYPT_CIPHERS camellia.lo camellia-glue.lo"
+   AC_DEFINE(USE_CAMELLIA, 1, [Defined if this module should be included])
+fi
 
 LIST_MEMBER(dsa, $enabled_pubkey_ciphers)
-test "$found" = "1" && GCRYPT_PUBKEY_CIPHERS="$GCRYPT_PUBKEY_CIPHERS dsa.lo"
-AC_DEFINE_UNQUOTED(USE_DSA, $found,
-                             [Defined if this module should be included])
+if test "$found" = "1" ; then
+   GCRYPT_PUBKEY_CIPHERS="$GCRYPT_PUBKEY_CIPHERS dsa.lo"
+   AC_DEFINE(USE_DSA, 1, [Defined if this module should be included])
+fi
 
 LIST_MEMBER(rsa, $enabled_pubkey_ciphers)
-test "$found" = "1" && GCRYPT_PUBKEY_CIPHERS="$GCRYPT_PUBKEY_CIPHERS rsa.lo"
-AC_DEFINE_UNQUOTED(USE_RSA, $found,
-                            [Defined if this module should be included])
+if test "$found" = "1" ; then
+   GCRYPT_PUBKEY_CIPHERS="$GCRYPT_PUBKEY_CIPHERS rsa.lo"
+   AC_DEFINE(USE_RSA, 1, [Defined if this module should be included])
+fi
 
 LIST_MEMBER(elgamal, $enabled_pubkey_ciphers)
-test "$found" = "1" \ 
-     && GCRYPT_PUBKEY_CIPHERS="$GCRYPT_PUBKEY_CIPHERS elgamal.lo"
-AC_DEFINE_UNQUOTED(USE_ELGAMAL, $found,
-                                [Defined if this module should be included])
+if test "$found" = "1" ; then
+   GCRYPT_PUBKEY_CIPHERS="$GCRYPT_PUBKEY_CIPHERS elgamal.lo"
+   AC_DEFINE(USE_ELGAMAL, 1, [Defined if this module should be included])
+fi
+
+LIST_MEMBER(ecc, $enabled_pubkey_ciphers)
+if test "$found" = "1" ; then
+   GCRYPT_PUBKEY_CIPHERS="$GCRYPT_PUBKEY_CIPHERS ecc.lo"
+   AC_DEFINE(USE_ECC, 1, [Defined if this module should be included])
+fi
 
 LIST_MEMBER(crc, $enabled_digests)
-test "$found" = "1" && GCRYPT_DIGESTS="$GCRYPT_DIGESTS crc.lo"
-AC_DEFINE_UNQUOTED(USE_CRC, $found,
-                            [Defined if this module should be included])
+if test "$found" = "1" ; then
+   GCRYPT_DIGESTS="$GCRYPT_DIGESTS crc.lo"
+   AC_DEFINE(USE_CRC, 1, [Defined if this module should be included])
+fi
 
 LIST_MEMBER(md4, $enabled_digests)
-test "$found" = "1" && GCRYPT_DIGESTS="$GCRYPT_DIGESTS md4.lo"
-AC_DEFINE_UNQUOTED(USE_MD4, $found,
-                             [Defined if this module should be included])
+if test "$found" = "1" ; then
+   GCRYPT_DIGESTS="$GCRYPT_DIGESTS md4.lo"
+   AC_DEFINE(USE_MD4, 1, [Defined if this module should be included])
+fi
 
 LIST_MEMBER(md5, $enabled_digests)
-test "$found" = "1" && GCRYPT_DIGESTS="$GCRYPT_DIGESTS md5.lo"
-AC_DEFINE_UNQUOTED(USE_MD5, $found,
-                             [Defined if this module should be included])
+if test "$found" = "1" ; then
+   GCRYPT_DIGESTS="$GCRYPT_DIGESTS md5.lo"
+   AC_DEFINE(USE_MD5, 1, [Defined if this module should be included])
+fi
 
 LIST_MEMBER(sha256, $enabled_digests)
-test "$found" = "1" && GCRYPT_DIGESTS="$GCRYPT_DIGESTS sha256.lo"
-AC_DEFINE_UNQUOTED(USE_SHA256, $found,
-                                [Defined if this module should be included])
+if test "$found" = "1" ; then
+   GCRYPT_DIGESTS="$GCRYPT_DIGESTS sha256.lo"
+   AC_DEFINE(USE_SHA256, 1, [Defined if this module should be included])
+fi
 
 LIST_MEMBER(sha512, $enabled_digests)
-test "$found" = "1" && GCRYPT_DIGESTS="$GCRYPT_DIGESTS sha512.lo"
-AC_DEFINE_UNQUOTED(USE_SHA512, $found,
-                                [Defined if this module should be included])
+if test "$found" = "1" ; then
+   GCRYPT_DIGESTS="$GCRYPT_DIGESTS sha512.lo"
+   AC_DEFINE(USE_SHA512, 1, [Defined if this module should be included])
+fi
 
 LIST_MEMBER(tiger, $enabled_digests)
-test "$found" = "1" && GCRYPT_DIGESTS="$GCRYPT_DIGESTS tiger.lo"
-AC_DEFINE_UNQUOTED(USE_TIGER, $found,
-                               [Defined if this module should be included])
+if test "$found" = "1" ; then
+   GCRYPT_DIGESTS="$GCRYPT_DIGESTS tiger.lo"
+   AC_DEFINE(USE_TIGER, 1, [Defined if this module should be included])
+fi
+
+LIST_MEMBER(whirlpool, $enabled_digests)
+if test "$found" = "1" ; then
+   GCRYPT_DIGESTS="$GCRYPT_DIGESTS whirlpool.lo"
+   AC_DEFINE(USE_WHIRLPOOL, 1, [Defined if this module should be included])
+fi
 
 # rmd160 and sha1 should be included always.
 GCRYPT_DIGESTS="$GCRYPT_DIGESTS rmd160.lo sha1.lo"
-AC_DEFINE_UNQUOTED(USE_RMD160, 1, [Defined if this module should be included])
-AC_DEFINE_UNQUOTED(USE_SHA1, 1,   [Defined if this module should be included])
+AC_DEFINE(USE_RMD160, 1, [Defined if this module should be included])
+AC_DEFINE(USE_SHA1, 1,   [Defined if this module should be included])
 
 LIST_MEMBER(linux, $random_modules)
-test "$found" = "1" && GCRYPT_RANDOM="$GCRYPT_RANDOM rndlinux.lo"
-AC_DEFINE_UNQUOTED(USE_RNDLINUX, $found,
-                   [Defined if the /dev/random based RNG should be used.])
-
+if test "$found" = "1" ; then
+   GCRYPT_RANDOM="$GCRYPT_RANDOM rndlinux.lo"
+   AC_DEFINE(USE_RNDLINUX, 1, [Defined if the /dev/random RNG should be used.])
+fi
 
 LIST_MEMBER(unix, $random_modules)
-test "$found" = "1" && GCRYPT_RANDOM="$GCRYPT_RANDOM rndunix.lo"
-AC_DEFINE_UNQUOTED(USE_RNDUNIX, $found,
-                  [Defined if the default Unix RNG should be used.])
-if test "$found" = "1"; then
+if test "$found" = "1" ; then
+   GCRYPT_RANDOM="$GCRYPT_RANDOM rndunix.lo"
+   AC_DEFINE(USE_RNDUNIX, 1, [Defined if the default Unix RNG should be used.])
    print_egd_notice=yes
 fi
 
 LIST_MEMBER(egd, $random_modules)
-test "$found" = "1" && GCRYPT_RANDOM="$GCRYPT_RANDOM rndegd.lo"
-AC_DEFINE_UNQUOTED(USE_RNDEGD, $found,
-                  [Defined if the EGD based RNG should be used.])
+if test "$found" = "1" ; then
+   GCRYPT_RANDOM="$GCRYPT_RANDOM rndegd.lo"
+   AC_DEFINE(USE_RNDEGD, 1, [Defined if the EGD based RNG should be used.])
+fi
 
 LIST_MEMBER(w32, $random_modules)
-test "$found" = "1" && GCRYPT_RANDOM="$GCRYPT_RANDOM rndw32.lo"
-AC_DEFINE_UNQUOTED(USE_RNDW32, $found,
-                  [Defined if the Windows specific RNG should be used.])
+if test "$found" = "1" ; then
+   GCRYPT_RANDOM="$GCRYPT_RANDOM rndw32.lo"
+   AC_DEFINE(USE_RNDW32, 1, 
+             [Defined if the Windows specific RNG should be used.])
+fi
 
 AC_SUBST([GCRYPT_CIPHERS])
 AC_SUBST([GCRYPT_PUBKEY_CIPHERS])
@@ -774,28 +1045,67 @@ AC_SUBST(LIBGCRYPT_CIPHERS, $enabled_ciphers)
 AC_SUBST(LIBGCRYPT_PUBKEY_CIPHERS, $enabled_pubkey_ciphers)
 AC_SUBST(LIBGCRYPT_DIGESTS, $enabled_digests)
 
+# For printing the configuration we need a colon separated list of
+# algorithm names.
+tmp=`echo "$enabled_ciphers" | tr ' ' : `
+AC_DEFINE_UNQUOTED(LIBGCRYPT_CIPHERS, "$tmp", 
+                   [List of available cipher algorithms])
+tmp=`echo "$enabled_pubkey_ciphers" | tr ' ' : `
+AC_DEFINE_UNQUOTED(LIBGCRYPT_PUBKEY_CIPHERS, "$tmp", 
+                   [List of available public key cipher algorithms])
+tmp=`echo "$enabled_digests" | tr ' ' : `
+AC_DEFINE_UNQUOTED(LIBGCRYPT_DIGESTS, "$tmp", 
+                   [List of available digest algorithms])
+
+
+
+# Generate extended version information for W32.
+if test "$have_w32_system" = yes; then
+   BUILD_TIMESTAMP=`date --iso-8601=minutes`
+   changequote(,)dnl 
+   BUILD_FILEVERSION=`echo "$VERSION" | sed 's/\([0-9.]*\).*/\1./;s/\./,/g'`
+   changequote([,])dnl
+   BUILD_FILEVERSION="${BUILD_FILEVERSION}${BUILD_REVISION}"
+fi
+AC_SUBST(BUILD_REVISION)
+AC_SUBST(BUILD_TIMESTAMP)
+AC_SUBST(BUILD_FILEVERSION)
+AC_DEFINE_UNQUOTED(BUILD_REVISION, "$BUILD_REVISION", 
+                   [Subversion revision used to build this package])
+
+
+
+# And create the files.
 AC_CONFIG_FILES([
 Makefile
+m4/Makefile
 mpi/Makefile
 cipher/Makefile
+random/Makefile
 doc/Makefile
 src/Makefile
+src/gcrypt.h
 src/libgcrypt-config
+src/versioninfo.rc
 tests/Makefile
-w32-dll/Makefile
 ])
 AC_OUTPUT
 
 # Give some feedback
-echo
+echo "
+        Libgcrypt v${VERSION} has been configured as follows:
+        
+        Platform:  $PRINTABLE_OS_NAME ($host)
+"
+
 
 if test "$print_egd_notice" = "yes"; then
 cat <<G10EOF
   
    The performance of the Unix random gatherer module (rndunix) 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
+   invocations of Libgcrypt base applications.  The suggested way to
+   overcome this problem is to use the
   
                  Entropy Gathering Daemon (EGD)
   
@@ -809,17 +1119,10 @@ cat <<G10EOF
 G10EOF
 fi
 
-warn=""
-for file in "random_modules"; do
-  case "$file" in rndunix | rndw32) warn="$warn $file";; esac
-done
-if test -n "$warn"; then
+if test -n "$gpl"; then
   echo "Please note that you are building a version of Libgcrypt with"
-  echo "  $warn"
+  echo "  $gpl"
   echo "included.  These parts are licensed under the GPL and thus the"
   echo "use of this library has to comply with the conditions of the GPL."
 fi
 
-# Give some feedback
-echo   "                Configured for: $PRINTABLE_OS_NAME ($target)"
-echo