Move standard make compilation rules to build/make.

(This used to be commit ceda3312a98b069d0711f3cb33de3ae71e91ebaa)

1 files changed, 43 insertions, 0 deletions

diff --git a/source4/build/make/yacc_compile.sh b/source4/build/make/yacc_compile.sh
new file mode 100755
index 0000000000..a56a51da0a
--- /dev/null
+++ b/source4/build/make/yacc_compile.sh
@@ -0,0 +1,43 @@
+#!/bin/sh
+
+YACC="$1"
+SRC="$2"
+DEST="$3"
+
+dir=`dirname $SRC`
+file=`basename $SRC`
+base=`basename $SRC .y`
+if [ -z "$YACC" ]; 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: yacc not found - cannot generate $SRC => $DEST" >&2
+			echo "warning: yacc not found - only updating the timestamp of $DEST" >&2
+		fi
+		touch $DEST;
+		exit;
+	fi
+	echo "error: yacc 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 && $YACC -d $file; then
+	if [ -r y.tab.h -a -r y.tab.c ];then
+		#echo "info: move files"
+		sed -e "/^#/!b" -e "s|y\.tab\.h|$SRC|" -e "s|\"$base.y|\"$SRC|"  y.tab.h > $base.h
+		sed -e "s|y\.tab\.c|$SRC|" -e "s|\"$base.y|\"$SRC|" y.tab.c > $base.c
+		rm -f y.tab.c y.tab.h
+	elif [ ! -r $base.h -a ! -r $base.c]; then
+		echo "$base.h nor $base.c generated."
+		exit 1
+	fi
+fi
+cd $TOP