mkdep

   1 #!/bin/sh -
   2 #
   3 # Copyright (c) 1987 Regents of the University of California.
   4 # All rights reserved.
   5 #
   6 # Redistribution and use in source and binary forms are permitted
   7 # provided that the above copyright notice and this paragraph are
   8 # duplicated in all such forms and that any documentation,
   9 # advertising materials, and other materials related to such
  10 # distribution and use acknowledge that the software was developed
  11 # by the University of California, Berkeley.  The name of the
  12 # University may not be used to endorse or promote products derived
  13 # from this software without specific prior written permission.
  14 # THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
  15 # IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  16 # WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  17 #
  18 #       @(#)mkdep.sh    5.12 (Berkeley) 6/30/88
  19 #
  20
  21 MAKE=Makefile                   # default makefile name is "Makefile"
  22
  23 while :
  24         do case "$1" in
  25                 # -f allows you to select a makefile name
  26                 -f)
  27                         MAKE=$2
  28                         shift; shift ;;
  29
  30                 # the -p flag produces "program: program.c" style dependencies
  31                 # so .o's don't get produced
  32                 -p)
  33                         SED='s;\.o;;'
  34                         shift ;;
  35                 *)
  36                         break ;;
  37         esac
  38 done
  39
  40 if [ $# = 0 ] ; then
  41         echo 'usage: mkdep [-p] [-f makefile] [flags] file ...'
  42         exit 1
  43 fi
  44
  45 if [ ! -w $MAKE ]; then
  46         echo "mkdep: no writeable file \"$MAKE\""
  47         exit 1
  48 fi
  49
  50 TMP=/tmp/mkdep$$
  51
  52 trap 'rm -f $TMP ; exit 1' 1 2 3 13 15
  53
  54 cp $MAKE ${MAKE}.bak
  55
  56 sed -e '/DO NOT DELETE THIS LINE/,$d' < $MAKE > $TMP
  57
  58 cat << _EOF_ >> $TMP
  59 # DO NOT DELETE THIS LINE -- mkdep uses it.
  60 # DO NOT PUT ANYTHING AFTER THIS LINE, IT WILL GO AWAY.
  61
  62 _EOF_
  63
  64 # If your compiler doesn't have -M, add it.  If you can't, the next two
  65 # lines will try and replace the "cc -M".  The real problem is that this
  66 # hack can't deal with anything that requires a search path, and doesn't
  67 # even try for anything using bracket (<>) syntax.
  68 #
  69 # egrep '^#include[     ]*".*"' /dev/null $* |
  70 # sed -e 's/:[^"]*"\([^"]*\)".*/: \1/' -e 's/\.c/.o/' |
  71
  72 gcc -MM $* |
  73 sed "
  74         s; \./; ;g
  75         $SED" >> $TMP
  76
  77 cat << _EOF_ >> $TMP
  78
  79 # IF YOU PUT ANYTHING HERE IT WILL GO AWAY
  80 _EOF_
  81
  82 # copy to preserve permissions
  83 cp $TMP $MAKE
  84 rm -f ${MAKE}.bak $TMP
  85 exit 0
  86
  87