blob: f655f81f2d5bc4235a237a29fe7c7ea5e0b6ae37 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
#!/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\"" > $base.c
sed '/^#/ s|$base.yy\.c|$DEST|' $base.yy.c >> $base.c
rm -f $base.yy.c
elif [ ! -r base.c ]; then
echo "$base.c nor $base.yy.c generated."
exit 1
fi
fi
cd $TOP
|
