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Annotation of src/usr.bin/mkdep/mkdep.gcc.sh, Revision 1.17

1.1       deraadt     1: #!/bin/sh -
                      2: #
1.17    ! halex       3: #      $OpenBSD: mkdep.gcc.sh,v 1.16 2012/08/29 16:51:12 guenther 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: #
1.15      jmc        37: # Scan for a -o option in the arguments and record the filename given.
1.13      otto       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 [ $# = 0 ] ; then
1.14      sobrado    81:        echo 'usage: mkdep [-ap] [-f file] [flags] file ...'
1.1       deraadt    82:        exit 1
                     83: fi
                     84:
1.13      otto       85: scanfordasho "$@"
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
1.16      guenther   92:        ${CC:-cc} -M "$@" > $TMP
1.13      otto       93: else
1.16      guenther   94:        ${CC:-cc} -M "$@" && cat -- "$file" > $TMP
1.1       deraadt    95: fi
                     96:
                     97: if [ $? != 0 ]; then
                     98:        echo 'mkdep: compile failed.'
1.11      pvalchev   99:        rm -f $TMP
1.1       deraadt   100:        exit 1
                    101: fi
                    102:
1.16      guenther  103: postproc() {
                    104:        in=$1
                    105:        if [ x$pflag = x ]; then
                    106:                sed -e 's; \./; ;g' $in
                    107:        else
                    108:                sed -e 's;\.o[ ]*:; :;' -e 's; \./; ;g' $in
                    109:        fi
                    110: }
                    111:
1.1       deraadt   112: if [ $append = 1 ]; then
1.16      guenther  113:        postproc $TMP >> $D
1.7       deraadt   114:        if [ $? != 0 ]; then
                    115:                echo 'mkdep: append failed.'
1.11      pvalchev  116:                rm -f $TMP
1.7       deraadt   117:                exit 1
                    118:        fi
1.1       deraadt   119: else
1.17    ! halex     120:        postproc $TMP > $D
1.7       deraadt   121:        if [ $? != 0 ]; then
                    122:                echo 'mkdep: rename failed.'
1.11      pvalchev  123:                rm -f $TMP
1.7       deraadt   124:                exit 1
                    125:        fi
1.1       deraadt   126: fi
1.7       deraadt   127:
1.11      pvalchev  128: rm -f $TMP
1.1       deraadt   129: exit 0