diff options
Diffstat (limited to 'source4/build/make/lex_compile.sh')
| -rwxr-xr-x | source4/build/make/lex_compile.sh | 51 |
1 files changed, 51 insertions, 0 deletions
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 |