source4/build/make/yacc_compile.sh

   1 #!/bin/sh
   2
   3 YACC="$1"
   4 SRC="$2"
   5 DEST="$3"
   6
   7 dir=`dirname $SRC`
   8 file=`basename $SRC`
   9 base=`basename $SRC .y`
  10 if [ -z "$YACC" ]; then
  11         # if $DEST is more recent than $SRC, we can just touch
  12         # otherwise we touch but print out warnings
  13         if [ -r $DEST ]; then
  14                 if [ x`find $SRC -newer $DEST -print` = x$SRC ]; then
  15                         echo "warning: yacc not found - cannot generate $SRC => $DEST" >&2
  16                         echo "warning: yacc not found - only updating the timestamp of $DEST" >&2
  17                 fi
  18                 touch $DEST;
  19                 exit;
  20         fi
  21         echo "error: yacc not found - cannot generate $SRC => $DEST" >&2
  22         exit 1;
  23 fi
  24 # if $DEST is more recent than $SRC, we can just touch
  25 if [ -r $DEST ]; then
  26         if [ x`find $SRC -newer $DEST -print` != x$SRC ]; then
  27                 touch $DEST;
  28                 exit;
  29         fi
  30 fi
  31 TOP=`pwd`
  32 echo "info: running $YACC -d $file"
  33 if cd $dir && $YACC -d $file; then
  34         if [ -r y.tab.h -a -r y.tab.c ];then
  35                 echo "info: move y.tab.h to $base.h"
  36                 sed -e "/^#/!b" -e "s|y\.tab\.h|$SRC|" -e "s|\"$base.y|\"$SRC|"  y.tab.h > $base.h
  37                 echo "info: move y.tab.c to $base.c"
  38                 sed -e "s|y\.tab\.c|$SRC|" -e "s|\"$base.y|\"$SRC|" y.tab.c > $base.c
  39                 rm -f y.tab.c y.tab.h
  40         elif [ ! -r $base.h -a ! -r $base.c]; then
  41                 echo "$base.h nor $base.c generated."
  42                 exit 1
  43         fi
  44 fi
  45 cd $TOP