From f800cf250f079ab1e1bc1051c34d1d1061187447 Mon Sep 17 00:00:00 2001
From: Jelmer Vernooij <jelmer@samba.org>
Date: Mon, 14 Apr 2008 14:51:57 +0200
Subject: Move standard make compilation rules to build/make. (This used to be
 commit ceda3312a98b069d0711f3cb33de3ae71e91ebaa)

---
 source4/build/make/lex_compile.sh | 51 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100755 source4/build/make/lex_compile.sh

(limited to 'source4/build/make/lex_compile.sh')

diff --git a/source4/build/make/lex_compile.sh b/source4/build/make/lex_compile.sh
new file mode 100755
index 0000000000..9bba7257b1
--- /dev/null
+++ b/source4/build/make/lex_compile.sh
@@ -0,0 +1,51 @@
+#!/bin/sh
+
+LEX="$1"
+SRC="$2"
+DEST="$3"
+shift 3
+ARGS="$*"
+
+dir=`dirname $SRC`
+file=`basename $SRC`
+base=`basename $SRC .l`
+if [ -z "$LEX" ]; then
+	# if $DEST is more recent than $SRC, we can just touch
+	# otherwise we touch but print out warnings
+	if [ -r $DEST ]; then
+		if [ x`find $SRC -newer $DEST -print` = x$SRC ]; then
+			echo "warning: lex not found - cannot generate $SRC => $DEST" >&2
+			echo "warning: lex not found - only updating the timestamp of $DEST" >&2
+		fi
+		touch $DEST;
+		exit;
+	fi
+	echo "error: lex not found - cannot generate $SRC => $DEST" >&2
+	exit 1;
+fi
+# if $DEST is more recent than $SRC, we can just touch
+if [ -r $DEST ]; then
+	if [ x`find $SRC -newer $DEST -print` != x$SRC ]; then
+		touch $DEST;
+		exit;
+	fi
+fi
+TOP=`pwd`
+if cd $dir && $LEX $ARGS $file; then
+	if [ -r $base.yy.c ];then
+	        # we must guarantee that config.h comes first
+	        echo "#include \"config.h\"" > $base.c
+		sed -e "s|$base\.yy\.c|$DEST|" $base.yy.c >> $base.c
+		rm -f $base.yy.c
+	elif [ -r $base.c ];then
+	        # we must guarantee that config.h comes first
+		mv $base.c $base.c.tmp
+	        echo "#include \"config.h\"" > $base.c
+		sed -e "s|$base\.yy\.c|$DEST|" $base.c.tmp >> $base.c
+		rm -f $base.c.tmp
+	elif [ ! -r base.c ]; then
+		echo "$base.c nor $base.yy.c generated."
+		exit 1
+	fi
+fi
+cd $TOP
-- 
cgit