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Annotation of src/usr.bin/mkdep/mkdep.gcc.sh, Revision 1.2

1.1       deraadt     1: #!/bin/sh -
                      2: #
1.2     ! deraadt     3: #      $OpenBSD: mkdep.gcc.sh,v 1.9 1994/12/23 07:34:59 jtc Exp $
1.1       deraadt     4: #      $NetBSD: mkdep.gcc.sh,v 1.9 1994/12/23 07:34:59 jtc Exp $
                      5: #
                      6: # Copyright (c) 1991, 1993
                      7: #      The Regents of the University of California.  All rights reserved.
                      8: #
                      9: # Redistribution and use in source and binary forms, with or without
                     10: # modification, are permitted provided that the following conditions
                     11: # are met:
                     12: # 1. Redistributions of source code must retain the above copyright
                     13: #    notice, this list of conditions and the following disclaimer.
                     14: # 2. Redistributions in binary form must reproduce the above copyright
                     15: #    notice, this list of conditions and the following disclaimer in the
                     16: #    documentation and/or other materials provided with the distribution.
                     17: # 3. All advertising materials mentioning features or use of this software
                     18: #    must display the following acknowledgement:
                     19: #      This product includes software developed by the University of
                     20: #      California, Berkeley and its contributors.
                     21: # 4. Neither the name of the University nor the names of its contributors
                     22: #    may be used to endorse or promote products derived from this software
                     23: #    without specific prior written permission.
                     24: #
                     25: # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     26: # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     27: # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     28: # ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     29: # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     30: # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     31: # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     32: # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     33: # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     34: # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     35: # SUCH DAMAGE.
                     36: #
                     37: #      @(#)mkdep.gcc.sh        8.1 (Berkeley) 6/6/93
                     38: #
                     39:
                     40: PATH=/bin:/usr/bin:/usr/ucb
                     41: export PATH
                     42:
                     43: D=.depend                      # default dependency file is .depend
                     44: append=0
                     45: pflag=
                     46:
                     47: while :
                     48:        do case "$1" in
                     49:                # -a appends to the depend file
                     50:                -a)
                     51:                        append=1
                     52:                        shift ;;
                     53:
                     54:                # -f allows you to select a makefile name
                     55:                -f)
                     56:                        D=$2
                     57:                        shift; shift ;;
                     58:
                     59:                # the -p flag produces "program: program.c" style dependencies
                     60:                # so .o's don't get produced
                     61:                -p)
                     62:                        pflag=p
                     63:                        shift ;;
                     64:                *)
                     65:                        break ;;
                     66:        esac
                     67: done
                     68:
                     69: if [ $# = 0 ] ; then
                     70:        echo 'usage: mkdep [-p] [-f depend_file] [cc_flags] file ...'
                     71:        exit 1
                     72: fi
                     73:
                     74: TMP=/tmp/mkdep$$
                     75:
                     76: trap 'rm -f $TMP ; exit 1' 1 2 3 13 15
                     77:
                     78: if [ x$pflag = x ]; then
                     79:        gcc -M "$@" | sed -e 's; \./; ;g' > $TMP
                     80: else
                     81:        gcc -M "$@" | sed -e 's;\.o :; :;' -e 's; \./; ;g' > $TMP
                     82: fi
                     83:
                     84: if [ $? != 0 ]; then
                     85:        echo 'mkdep: compile failed.'
                     86:        rm -f $TMP
                     87:        exit 1
                     88: fi
                     89:
                     90: if [ $append = 1 ]; then
                     91:        cat $TMP >> $D
                     92:        rm -f $TMP
                     93: else
                     94:        mv $TMP $D
                     95: fi
                     96: exit 0