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samba-mirror/source4/script/yacc_compile.sh
2007-12-21 05:43:33 +01:00

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#!/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