usr.bin/mkdep/mkdep.gcc.sh

   1 #!/bin/sh -
   2 #
   3 # Copyright (c) 1991, 1993
   4 #       The Regents of the University of California.  All rights reserved.
   5 #
   6 # Redistribution and use in source and binary forms, with or without
   7 # modification, are permitted provided that the following conditions
   8 # are met:
   9 # 1. Redistributions of source code must retain the above copyright
  10 #    notice, this list of conditions and the following disclaimer.
  11 # 2. Redistributions in binary form must reproduce the above copyright
  12 #    notice, this list of conditions and the following disclaimer in the
  13 #    documentation and/or other materials provided with the distribution.
  14 # 3. Neither the name of the University nor the names of its contributors
  15 #    may be used to endorse or promote products derived from this software
  16 #    without specific prior written permission.
  17 #
  18 # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  19 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21 # ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  22 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  23 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  24 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  25 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  26 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  27 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  28 # SUCH DAMAGE.
  29 #
  30 #       @(#)mkdep.gcc.sh        8.1 (Berkeley) 6/6/93
  31 # $FreeBSD: src/usr.bin/mkdep/mkdep.gcc.sh,v 1.18 1999/08/28 01:04:04 peter Exp $
  32 # $DragonFly: src/usr.bin/mkdep/mkdep.gcc.sh,v 1.2 2003/06/17 04:29:29 dillon Exp $
  33
  34 D=.depend                       # default dependency file is .depend
  35 append=0
  36 pflag=
  37
  38 while :
  39         do case "$1" in
  40                 # -a appends to the depend file
  41                 -a)
  42                         append=1
  43                         shift ;;
  44
  45                 # -f allows you to select a makefile name
  46                 -f)
  47                         D=$2
  48                         shift; shift ;;
  49
  50                 # the -p flag produces "program: program.c" style dependencies
  51                 # so .o's don't get produced
  52                 -p)
  53                         pflag=p
  54                         shift ;;
  55                 *)
  56                         break ;;
  57         esac
  58 done
  59
  60 case $# in 0)
  61         echo 'usage: mkdep [-ap] [-f file] [flags] file ...' >&2
  62         exit 1;;
  63 esac
  64
  65 TMP=_mkdep$$
  66 trap 'rm -f $TMP ; trap 2 ; kill -2 $$' 1 2 3 13 15
  67 trap 'rm -f $TMP' 0
  68
  69 # For C sources, mkdep must use exactly the same cpp and predefined flags
  70 # as the compiler would.  This is easily arranged by letting the compiler
  71 # pick the cpp.  mkdep must be told the cpp to use for exceptional cases.
  72 CC=${CC-"cc"}
  73 MKDEP_CPP=${MKDEP_CPP-"${CC} -E"}
  74 MKDEP_CPP_OPTS=${MKDEP_CPP_OPTS-"-M"};
  75
  76 echo "# $@" > $TMP      # store arguments for debugging
  77
  78 if $MKDEP_CPP $MKDEP_CPP_OPTS "$@" >> $TMP; then :
  79 else
  80         echo 'mkdep: compile failed' >&2
  81         exit 1
  82 fi
  83
  84 case x$pflag in
  85         x) case $append in
  86                 0) sed -e 's; \./; ;g' < $TMP >  $D;;
  87                 *) sed -e 's; \./; ;g' < $TMP >> $D;;
  88            esac
  89         ;;
  90         *) case $append in
  91                 0) sed -e 's;\.o:;:;' -e 's; \./; ;g' < $TMP >  $D;;
  92                 *) sed -e 's;\.o:;:;' -e 's; \./; ;g' < $TMP >> $D;;
  93            esac
  94         ;;
  95 esac
  96
  97 exit $?