mcs/build/gensources.sh

   1 #! /bin/sh
   2
   3 outfile=$1
   4 incfile=$2
   5 excfile=$3
   6 extfile=$4
   7
   8 process_includes_1() {
   9     sed -e '/^[ \t]*$/d' -e '/^[ \t]*#/d' $1 > $2
  10     if cmp -s $1 $2; then
  11         false
  12     else
  13         sed -n 's,^[ \t]*#include ,,p' $1 |
  14         while read inc; do
  15             cat $inc >> $2
  16             echo $outfile: $inc >> $outfile.makefrag
  17             echo $inc: >> $outfile.makefrag
  18         done
  19     fi
  20 }
  21
  22 process_includes() {
  23     i=$1; o=$2; t=${2}.tmp
  24     while process_includes_1 $i $o; do
  25         mv $o $t
  26         i=$t
  27     done
  28     rm -f $t
  29 }
  30
  31 rm -f $outfile.makefrag
  32
  33 process_includes $incfile $outfile.inc
  34
  35 if test x$extfile != x -a -f "$extfile"; then
  36         cat $extfile >> $outfile.inc
  37 fi
  38
  39 sort -u $outfile.inc > $outfile.inc_s
  40 rm -f $outfile.inc
  41
  42 if test -z "$excfile"; then
  43     mv $outfile.inc_s $outfile
  44 else
  45     process_includes $excfile $outfile.exc
  46
  47     sort -u $outfile.exc > $outfile.exc_s
  48     rm -f $outfile.exc
  49
  50     sort -m $outfile.inc_s $outfile.exc_s | uniq -u > $outfile
  51     rm -f $outfile.inc_s $outfile.exc_s
  52 fi
  53
  54