Edit
kc3-lang/automake/lib/depcomp
Tom Tromey
- lib/depcomp
-
#! /bin/sh # depcomp - compile a program generating dependencies as side-effects # Copyright (C) 1999 Free Software Foundation, Inc. # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA # 02111-1307, USA. # Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>. if test -z "$depmode" || test -z "$source" || test -z "$object"; then echo "depcomp: Variables source, object and depmode must be set" 1>&2 exit 1 fi # `libtool' can also be set to `yes' or `no'. depfile=${depfile-`echo "$object" | sed 's,\([^/]*\)$,.deps/\1,;s/\.\([^.]*\)$/.P\1/'`} tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} rm -f "$tmpdepfile" # Some modes work just like other modes, but use different flags. We # parameterize here, but still list the modes in the big case below, # to make depend.m4 easier to write. Note that we *cannot* use a case # here, because this file can only contain one case statement. if test "$depmode" = hp; then # HP compiler uses -M and no extra arg. gccflag=-M depmode=gcc fi if test "$depmode" = dashXmstdout; then # This is just like dashmstdout with a different argument. dashmflag=-xM depmode=dashmstdout fi case "$depmode" in gcc) ## There are various ways to get dependency output from gcc. Here's ## why we pick this rather obscure method: ## - Don't want to use -MD because we'd like the dependencies to end ## up in a subdir. Having to rename by hand is ugly. ## (We might end up doing this anyway to support other compilers.) ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like ## -MM, not -M (despite what the docs say). ## - Using -M directly means running the compiler twice (even worse ## than renaming). if test -z "$gccflag"; then gccflag=-MD, fi if "$@" -Wp,"$gccflag$tmpdepfile"; then : else stat=$? rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" echo "$object : \\" > "$depfile" sed 's/^[^:]*: / /' < "$tmpdepfile" >> "$depfile" ## This next piece of magic avoids the `deleted header file' problem. ## The problem is that when a header file which appears in a .P file ## is deleted, the dependency causes make to die (because there is ## typically no way to rebuild the header). We avoid this by adding ## dummy dependencies for each header file. Too bad gcc doesn't do ## this for us directly. tr ' ' ' ' < "$tmpdepfile" | ## Some versions of gcc put a space before the `:'. On the theory ## that the space means something, we add a space to the output as ## well. ## Some versions of the HPUX 10.20 sed can't process this invocation ## correctly. Breaking it into two sed invocations is a workaround. sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; hp) # This case exists only to let depend.m4 do its work. It works by # looking at the text of this script. This case will never be run, # since it is checked for above. exit 1 ;; dashmd) # The Java front end to gcc doesn't run cpp, so we can't use the -Wp # trick. Instead we must use -M and then rename the resulting .d # file. This is also the case for older versions of gcc, which # don't implement -Wp. if "$@" -MD; then : else stat=$? rm -f FIXME exit $stat fi FIXME: rewrite the file ;; sgi) if test "$libtool" = yes; then "$@" "-Wp,-MDupdate,$tmpdepfile" else "$@" -MDupdate "$tmpdepfile" fi stat=$? if test $stat -eq 0; then : else stat=$? rm -f "$tmpdepfile" exit $stat fi rm -f "$depfile" echo "$object : \\" > "$depfile" # Clip off the initial element (the dependent). Don't try to be # clever and remove the tr invocations, as IRIX sed won't handle # lines with more than 8192 characters. tr ' ' ' ' < "$tmpdepfile" | sed 's/^[^\.]*\.o://' | tr ' ' ' ' >> $depfile tr ' ' ' ' < "$tmpdepfile" | \ ## Some versions of the HPUX 10.20 sed can't process this invocation ## correctly. Breaking it into two sed invocations is a workaround. sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; #nosideeffect) # This comment above is used by automake to tell side-effect # dependency tracking mechanisms from slower ones. dashmstdout) # Important note: in order to support this mode, a compiler *must* # always write the proprocessed file to stdout, regardless of -o, # because we must use -o when running libtool. test -z "$dashmflag" && dashmflag=-M ( IFS=" " case " $* " in *" --mode=compile "*) # this is libtool, let us make it quiet for arg do # cycle over the arguments case "$arg" in "--mode=compile") # insert --quiet before "--mode=compile" set fnord "$@" --quiet shift # fnord ;; esac set fnord "$@" "$arg" shift # fnord shift # "$arg" done ;; esac "$@" $dashmflag | sed 's:^[^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile" ) & proc=$! "$@" stat=$? wait "$proc" if test "$stat" != 0; then exit $stat; fi rm -f "$depfile" cat < "$tmpdepfile" > "$depfile" tr ' ' ' ' < "$tmpdepfile" | \ ## Some versions of the HPUX 10.20 sed can't process this invocation ## correctly. Breaking it into two sed invocations is a workaround. sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; dashXmstdout) # This case only exists to satisfy depend.m4. It is never actually # run, as this mode is specially recognized in the preamble. exit 1 ;; makedepend) # X makedepend ( shift cleared=no for arg in "$@"; do case $cleared in no) set ""; shift cleared=yes esac case "$arg" in -D*|-I*) set fnord "$@" "$arg"; shift;; -*) ;; *) set fnord "$@" "$arg"; shift;; esac done obj_suffix="`echo $object | sed 's/^.*\././'`" touch "$tmpdepfile" ${MAKEDEPEND-makedepend} 2>/dev/null -o"$obj_suffix" -f"$tmpdepfile" "$@" ) & proc=$! "$@" stat=$? wait "$proc" if test "$stat" != 0; then exit $stat; fi rm -f "$depfile" cat < "$tmpdepfile" > "$depfile" tail +3 "$tmpdepfile" | tr ' ' ' ' | \ ## Some versions of the HPUX 10.20 sed can't process this invocation ## correctly. Breaking it into two sed invocations is a workaround. sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" "$tmpdepfile".bak ;; cpp) # Important note: in order to support this mode, a compiler *must* # always write the proprocessed file to stdout, regardless of -o, # because we must use -o when running libtool. ( IFS=" " case " $* " in *" --mode=compile "*) for arg do # cycle over the arguments case "$arg" in "--mode=compile") # insert --quiet before "--mode=compile" set fnord "$@" --quiet shift # fnord ;; esac set fnord "$@" "$arg" shift # fnord shift # "$arg" done ;; esac "$@" -E | sed -n '/^# [0-9][0-9]* "\([^"]*\)"/ s::'"$object"'\: \1:p' > "$tmpdepfile" ) & proc=$! "$@" stat=$? wait "$proc" if test "$stat" != 0; then exit $stat; fi rm -f "$depfile" cat < "$tmpdepfile" > "$depfile" sed < "$tmpdepfile" -e 's/^[^:]*: //' -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; none) exec "$@" ;; *) echo "Unknown depmode $depmode" 1>&2 exit 1 ;; esac exit 0