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Annotation of src/usr.bin/mkdep/mkdep.gcc.sh, Revision 1.13

1.1       deraadt     1: #!/bin/sh -
                      2: #
1.13    ! otto        3: #      $OpenBSD: mkdep.gcc.sh,v 1.12 2003/06/03 02:56:13 millert 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.
1.12      millert    17: # 3. Neither the name of the University nor the names of its contributors
1.1       deraadt    18: #    may be used to endorse or promote products derived from this software
                     19: #    without specific prior written permission.
                     20: #
                     21: # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     22: # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     23: # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     24: # ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     25: # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     26: # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     27: # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     28: # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     29: # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     30: # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     31: # SUCH DAMAGE.
                     32: #
                     33: #      @(#)mkdep.gcc.sh        8.1 (Berkeley) 6/6/93
                     34: #
                     35:
1.13    ! otto       36: #
        !            37: # Scan for a -o option in the arguments are record the filename given.
        !            38: # This is needed, since "cc -M -o out" writes to the file "out", not to
        !            39: # stdout.
        !            40: #
        !            41: scanfordasho() {
        !            42:        while [ $# != 0 ]
        !            43:        do case "$1" in
        !            44:                -o)
        !            45:                        file="$2"; shift; shift ;;
        !            46:                -o*)
        !            47:                        file="${1#-o}"; shift ;;
        !            48:                *)
        !            49:                        shift ;;
        !            50:                esac
        !            51:        done
        !            52: }
        !            53:
1.1       deraadt    54: D=.depend                      # default dependency file is .depend
                     55: append=0
                     56: pflag=
                     57:
                     58: while :
                     59:        do case "$1" in
                     60:                # -a appends to the depend file
                     61:                -a)
                     62:                        append=1
                     63:                        shift ;;
                     64:
                     65:                # -f allows you to select a makefile name
                     66:                -f)
                     67:                        D=$2
                     68:                        shift; shift ;;
                     69:
                     70:                # the -p flag produces "program: program.c" style dependencies
                     71:                # so .o's don't get produced
                     72:                -p)
                     73:                        pflag=p
                     74:                        shift ;;
                     75:                *)
                     76:                        break ;;
                     77:        esac
                     78: done
                     79:
                     80: if [ $# = 0 ] ; then
                     81:        echo 'usage: mkdep [-p] [-f depend_file] [cc_flags] file ...'
                     82:        exit 1
                     83: fi
                     84:
1.13    ! otto       85: scanfordasho "$@"
1.11      pvalchev   86:
                     87: TMP=`mktemp /tmp/mkdep.XXXXXXXXXX` || exit 1
1.7       deraadt    88:
1.11      pvalchev   89: trap 'rm -f $TMP ; trap 2 ; kill -2 $$' 1 2 3 13 15
1.1       deraadt    90:
1.13    ! otto       91: if [ "x$file" = x ]; then
        !            92:        ${CC:-cc} -M "$@"
        !            93: else
        !            94:        ${CC:-cc} -M "$@" && cat "$file"
        !            95: fi |
1.1       deraadt    96: if [ x$pflag = x ]; then
1.13    ! otto       97:        sed -e 's; \./; ;g' > $TMP
1.1       deraadt    98: else
1.13    ! otto       99:        sed -e 's;\.o[ ]*:; :;' -e 's; \./; ;g' > $TMP
1.1       deraadt   100: fi
                    101:
                    102: if [ $? != 0 ]; then
                    103:        echo 'mkdep: compile failed.'
1.11      pvalchev  104:        rm -f $TMP
1.1       deraadt   105:        exit 1
                    106: fi
                    107:
                    108: if [ $append = 1 ]; then
                    109:        cat $TMP >> $D
1.7       deraadt   110:        if [ $? != 0 ]; then
                    111:                echo 'mkdep: append failed.'
1.11      pvalchev  112:                rm -f $TMP
1.7       deraadt   113:                exit 1
                    114:        fi
1.1       deraadt   115: else
1.10      millert   116:        mv -f $TMP $D
1.7       deraadt   117:        if [ $? != 0 ]; then
                    118:                echo 'mkdep: rename failed.'
1.11      pvalchev  119:                rm -f $TMP
1.7       deraadt   120:                exit 1
                    121:        fi
1.1       deraadt   122: fi
1.7       deraadt   123:
1.11      pvalchev  124: rm -f $TMP
1.1       deraadt   125: exit 0