From db3c701cff1bb7cfdc1128bc78e6058a622e23c1 Mon Sep 17 00:00:00 2001
From: Han-Wen Nienhuys <hanwen@xs4all.nl>
Date: Sat, 17 Nov 2007 14:36:54 -0200
Subject: [PATCH] Smart autogen and configure scripts, to clean up GUB builder.

---
 smart-autogen.sh   | 18 ++++++++++++++++++
 smart-configure.sh | 23 +++++++++++++++++++++++
 2 files changed, 41 insertions(+)
 create mode 100755 smart-autogen.sh
 create mode 100755 smart-configure.sh

diff --git a/smart-autogen.sh b/smart-autogen.sh
new file mode 100755
index 0000000000..3f93243c10
--- /dev/null
+++ b/smart-autogen.sh
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+srcdir=${srcdir:-.}
+set -ux
+
+AUTOGEN_INPUT_CHECKSUM=`cat $srcdir/configure.in $srcdir/stepmake/aclocal.m4 | md5sum | cut -b 1-32`
+
+CHECKSUM_FILE=autogen.checksum
+
+if test `cat $CHECKSUM_FILE`"" = "$AUTOGEN_INPUT_CHECKSUM"; then
+  exit 0
+fi
+
+set -e
+./autogen.sh
+echo -n $AUTOGEN_INPUT_CHECKSUM > $CHECKSUM_FILE 
+
+
diff --git a/smart-configure.sh b/smart-configure.sh
new file mode 100755
index 0000000000..fa27ed8462
--- /dev/null
+++ b/smart-configure.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+srcdir=${srcdir:-.}
+set -ux
+
+MAKEFILE_MD5=`find $srcdir -name GNUmakefile | grep -v '^./GNUmakefile$' | sort | md5sum | cut -b 1-32`
+CONFIGURE_INPUT_MD5=`cat $srcdir/config.make.in $srcdir/config.hh.in $srcdir/GNUmakefile.in | md5sum | cut -b 1-32`
+
+
+CONFIGURE_CHECKSUM_FILE=configure.checksum
+CONFIGURE_CHECKSUM="$MAKEFILE_MD5$CONFIGURE_INPUT_MD5"
+
+if test `cat $CONFIGURE_CHECKSUM_FILE` = "$CONFIGURE_CHECKSUM" ; then
+  exit 0
+fi
+
+set -e
+$srcdir/configure "$@"
+echo -n $CONFIGURE_CHECKSUM > $CONFIGURE_CHECKSUM_FILE
+
+
+
+
-- 
2.39.5