From 7edea76f7e91e33298d24812b8f647699fe65642 Mon Sep 17 00:00:00 2001
From: Werner Koch <wk@gnupg.org>
Date: Sat, 18 Dec 2004 11:06:09 +0000
Subject: Add option --build-w32.

---
 ChangeLog  |  4 ++++
 autogen.sh | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++--
 2 files changed, 57 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index cfbd57a..6aaf732 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2004-12-18  Werner Koch  <wk@g10code.com>
+
+	* autogen.sh: Add option --build-w32.
+
 2004-09-14  Marcus Brinkmann  <marcus@g10code.de>
 
 	* src/gpg-error.m4: Add copyright note.
diff --git a/autogen.sh b/autogen.sh
index 5c83f72..1b347a3 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -28,6 +28,59 @@ check_version () {
     return 1
 }
 
+DIE=no
+
+# ***** W32 build script *******
+# Used to cross-compile for Windows.
+if test "$1" = "--build-w32"; then
+    tmp=`dirname $0`
+    tsdir=`cd "$tmp"; pwd`
+    shift
+    if [ ! -f $tsdir/config.guess ]; then
+        echo "$tsdir/config.guess not found" >&2
+        exit 1
+    fi
+    build=`$tsdir/config.guess`
+
+    [ -z "$w32root" ] && w32root="$HOME/w32root"
+    echo "Using $w32root as standard install directory" >&2
+    
+    # See whether we have the Debian cross compiler package or the
+    # old mingw32/cpd system
+    if i586-mingw32msvc-gcc --version >/dev/null 2>&1 ; then
+        host=i586-mingw32msvc
+        crossbindir=/usr/$host/bin
+    else
+       host=i386--mingw32
+       if ! mingw32 --version >/dev/null; then
+          echo "We need at least version 0.3 of MingW32/CPD" >&2
+          exit 1
+       fi
+       crossbindir=`mingw32 --install-dir`/bin
+       # Old autoconf version required us to setup the environment
+       # with the proper tool names.
+       CC=`mingw32 --get-path gcc`
+       CPP=`mingw32 --get-path cpp`
+       AR=`mingw32 --get-path ar`
+       RANLIB=`mingw32 --get-path ranlib`
+       export CC CPP AR RANLIB 
+    fi
+   
+    if [ -f "$tsdir/config.log" ]; then
+        if ! head $tsdir/config.log | grep "$host" >/dev/null; then
+            echo "Pease run a 'make distclean' first" >&2
+            exit 1
+        fi
+    fi
+
+    ./configure --enable-maintainer-mode  --prefix=${w32root}  \
+            --host=i586-mingw32msvc --build=${build} \
+            --disable-shared    
+
+    exit $?
+fi
+# ***** end W32 build script *******
+
 
 # Grep the required versions from configure.ac
 autoconf_vers=`sed -n '/^AC_PREREQ(/ { 
@@ -65,8 +118,6 @@ ACLOCAL=${AUTOMAKE_PREFIX}${ACLOCAL:-aclocal}${AUTOMAKE_SUFFIX}
 GETTEXT=${GETTEXT_PREFIX}${GETTEXT:-gettext}${GETTEXT_SUFFIX}
 MSGMERGE=${GETTEXT_PREFIX}${MSGMERGE:-msgmerge}${GETTEXT_SUFFIX}
 
-DIE=no
-
 
 if check_version $AUTOCONF $autoconf_vers_num $autoconf_vers ; then
     check_version $AUTOHEADER $autoconf_vers_num $autoconf_vers autoconf
-- 
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