#!@BSHELL@ - # # $NetBSD: host-mkdep.in,v 1.19 2010/11/14 15:18:24 christos Exp $ # # Copyright (c) 1991, 1993 # The Regents of the University of California. All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # 3. All advertising materials mentioning features or use of this software # must display the following acknowledgement: # This product includes software developed by the University of # California, Berkeley and its contributors. # 4. Neither the name of the University nor the names of its contributors # may be used to endorse or promote products derived from this software # without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE # ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF # SUCH DAMAGE. # # @(#)mkdep.old.compiler 8.1 (Berkeley) 6/6/93 # APPEND=false MERGE=false OPTIONAL=false AWK_OPTIONAL= QUIET=false CPPFLAGS= NEWEXT=.o OUTFILE=.depend SRCS= usage() { echo "Usage: $0 [-adopq] [-s .suffixes] [-f .depend] -- [flags] file ..." >&2 exit 1 } set_objlist() { if [ -n "$NEWEXT" ]; then oifs="$IFS" IFS=" ," set -- $NEWEXT IFS="$oifs" objlist= for suf in "$@"; do objlist="$objlist${objlist:+ }$file$suf" done else objlist="$file" fi } # A getopt compatible command line parser in shell comands. # (don't trust the shell builtin getopts to be in a known state on error) while [ $# -gt 0 ]; do option="${1#-}" [ "$option" = "$1" -o -z "$option" ] && break while optarg="${option#?}" option="${option%$optarg}" case "-$option" in -a) APPEND=true;; -d) MERGE=true;; -o) OPTIONAL=true; AWK_OPTIONAL='print ".OPTIONAL:" $0';; -p) NEWEXT=;; -q) QUIET=true;; -[fs]) # Options with arguments [ -z "$optarg" ] && { [ $# = 1 ] && usage shift optarg="$1" } case "-$option" in -f) OUTFILE="$optarg";; -s) NEWEXT="$optarg";; esac optarg= ;; --) [ -z "$optarg" ] && shift break 2 ;; *) $MERGE && usage break 2; ;; esac [ -n "$optarg" ] do option="$optarg" done shift done [ $# = 0 ] && usage if $MERGE; then SRCS="$*" else # # Process argument list. # This is tricky, because arguments may contain spaces and other # escapes characters. The argument list is used like a tail queue. # $cppargs has one x for each unprocessed argument, so when an # argument is processed, it is shifted and the corresponding number # of x's is removed. The advantage to counting is that suffix removal # works without fork. # cppargs= for arg; do cppargs="x$cppargs" done while [ -n "$cppargs" ]; do case "$1" in -L) # takes an arg, but ignored shift 2 cppargs=${cppargs%xx} ;; -c|-[lLMOW]*) # takes no extra args shift cppargs=${cppargs%x} ;; -[IDU]*) set -- "$@" "$1" shift cppargs=${cppargs%x} ;; -[IDU]|-include|-isystem|-isysroot) set -- "$@" "$1" "$2" shift 2 cppargs=${cppargs%xx} ;; -isystem-cxx|-cxx-isystem) set -- "$@" "-isystem" "$2" shift 2 cppargs=${cppargs%xx} ;; -no-cpp-precomp) # This is a Darwin-specific option. set -- "$@" "$1" shift cppargs=${cppargs%x} ;; -nostdinc*) # This is a gcc/g++ ism; ignore if not gcc/g++ case "@CFLAGS@" in *-O2*) # Autoconf puts -O2 when gcc only set -- "$@" "$1" ;; esac shift cppargs=${cppargs%x} ;; -*) echo "$0: Unknown option: $1" 1>&2 # all other -options exit 1 ;; *) SRCS="$SRCS $1" # source file shift cppargs=${cppargs%x} ;; esac done fi [ -z "$SRCS" ] && usage TMP=/tmp/mkdep$$ rm -f $TMP trap 'rm -f $TMP; exit 1' 1 2 3 13 15 if $MERGE; then for f in $SRCS; do if [ ! -f "$f" ]; then if ! $QUIET; then echo "$0: Ignoring $f" >&2; fi continue fi while IFS=':'; read target dependants; do IFS= t1="${target#* }" file="${target%.o}" if [ "$t1" = "$target" -a "$file" != "$target" ]; then set_objlist $file target="$objlist" fi echo "$target:$dependants" if "$OPTIONAL"; then echo ".OPTIONAL:$dependants" fi done <$f done >$TMP else for f in $SRCS; do file=${f##*/} file=${file%.*} set_objlist $file @CPP@ "$@" $f | @AWK@ ' /^#/ { # Be as tolerant as possible. sub(/^#(line)? [ 0-9]*\"?/, "") sub(/^#(pragma).*/, "") sub(/^<.*/, "") sub(/\".*$/, "") sub(/ [ 0-9]*$/, "") if ($0 in seenfiles) next if ($0 ~ /y.tab.c/) next seenfiles[$0] = 1 print "'"$objlist"'" ": " $0 '"$AWK_OPTIONAL"' } ' >> $TMP done fi if $APPEND; then cat $TMP >> $OUTFILE else cat $TMP > $OUTFILE fi rm -f $TMP exit 0