nkeynes@179: #! /bin/sh nkeynes@179: nkeynes@179: # depcomp - compile a program generating dependencies as side-effects nkeynes@179: # Copyright 1999, 2000, 2003 Free Software Foundation, Inc. nkeynes@179: nkeynes@179: # This program is free software; you can redistribute it and/or modify nkeynes@179: # it under the terms of the GNU General Public License as published by nkeynes@179: # the Free Software Foundation; either version 2, or (at your option) nkeynes@179: # any later version. nkeynes@179: nkeynes@179: # This program is distributed in the hope that it will be useful, nkeynes@179: # but WITHOUT ANY WARRANTY; without even the implied warranty of nkeynes@179: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the nkeynes@179: # GNU General Public License for more details. nkeynes@179: nkeynes@179: # You should have received a copy of the GNU General Public License nkeynes@179: # along with this program; if not, write to the Free Software nkeynes@179: # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA nkeynes@179: # 02111-1307, USA. nkeynes@179: nkeynes@179: # As a special exception to the GNU General Public License, if you nkeynes@179: # distribute this file as part of a program that contains a nkeynes@179: # configuration script generated by Autoconf, you may include it under nkeynes@179: # the same distribution terms that you use for the rest of that program. nkeynes@179: nkeynes@179: # Originally written by Alexandre Oliva . nkeynes@179: nkeynes@179: if test -z "$depmode" || test -z "$source" || test -z "$object"; then nkeynes@179: echo "depcomp: Variables source, object and depmode must be set" 1>&2 nkeynes@179: exit 1 nkeynes@179: fi nkeynes@179: # `libtool' can also be set to `yes' or `no'. nkeynes@179: nkeynes@179: if test -z "$depfile"; then nkeynes@179: base=`echo "$object" | sed -e 's,^.*/,,' -e 's,\.\([^.]*\)$,.P\1,'` nkeynes@179: dir=`echo "$object" | sed 's,/.*$,/,'` nkeynes@179: if test "$dir" = "$object"; then nkeynes@179: dir= nkeynes@179: fi nkeynes@179: # FIXME: should be _deps on DOS. nkeynes@179: depfile="$dir.deps/$base" nkeynes@179: fi nkeynes@179: nkeynes@179: tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} nkeynes@179: nkeynes@179: rm -f "$tmpdepfile" nkeynes@179: nkeynes@179: # Some modes work just like other modes, but use different flags. We nkeynes@179: # parameterize here, but still list the modes in the big case below, nkeynes@179: # to make depend.m4 easier to write. Note that we *cannot* use a case nkeynes@179: # here, because this file can only contain one case statement. nkeynes@179: if test "$depmode" = hp; then nkeynes@179: # HP compiler uses -M and no extra arg. nkeynes@179: gccflag=-M nkeynes@179: depmode=gcc nkeynes@179: fi nkeynes@179: nkeynes@179: if test "$depmode" = dashXmstdout; then nkeynes@179: # This is just like dashmstdout with a different argument. nkeynes@179: dashmflag=-xM nkeynes@179: depmode=dashmstdout nkeynes@179: fi nkeynes@179: nkeynes@179: case "$depmode" in nkeynes@179: gcc3) nkeynes@179: ## gcc 3 implements dependency tracking that does exactly what nkeynes@179: ## we want. Yay! Note: for some reason libtool 1.4 doesn't like nkeynes@179: ## it if -MD -MP comes after the -MF stuff. Hmm. nkeynes@179: "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" nkeynes@179: stat=$? nkeynes@179: if test $stat -eq 0; then : nkeynes@179: else nkeynes@179: rm -f "$tmpdepfile" nkeynes@179: exit $stat nkeynes@179: fi nkeynes@179: mv "$tmpdepfile" "$depfile" nkeynes@179: ;; nkeynes@179: nkeynes@179: gcc) nkeynes@179: ## There are various ways to get dependency output from gcc. Here's nkeynes@179: ## why we pick this rather obscure method: nkeynes@179: ## - Don't want to use -MD because we'd like the dependencies to end nkeynes@179: ## up in a subdir. Having to rename by hand is ugly. nkeynes@179: ## (We might end up doing this anyway to support other compilers.) nkeynes@179: ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like nkeynes@179: ## -MM, not -M (despite what the docs say). nkeynes@179: ## - Using -M directly means running the compiler twice (even worse nkeynes@179: ## than renaming). nkeynes@179: if test -z "$gccflag"; then nkeynes@179: gccflag=-MD, nkeynes@179: fi nkeynes@179: "$@" -Wp,"$gccflag$tmpdepfile" nkeynes@179: stat=$? nkeynes@179: if test $stat -eq 0; then : nkeynes@179: else nkeynes@179: rm -f "$tmpdepfile" nkeynes@179: exit $stat nkeynes@179: fi nkeynes@179: rm -f "$depfile" nkeynes@179: echo "$object : \\" > "$depfile" nkeynes@179: alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz nkeynes@179: ## The second -e expression handles DOS-style file names with drive letters. nkeynes@179: sed -e 's/^[^:]*: / /' \ nkeynes@179: -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" nkeynes@179: ## This next piece of magic avoids the `deleted header file' problem. nkeynes@179: ## The problem is that when a header file which appears in a .P file nkeynes@179: ## is deleted, the dependency causes make to die (because there is nkeynes@179: ## typically no way to rebuild the header). We avoid this by adding nkeynes@179: ## dummy dependencies for each header file. Too bad gcc doesn't do nkeynes@179: ## this for us directly. nkeynes@179: tr ' ' ' nkeynes@179: ' < "$tmpdepfile" | nkeynes@179: ## Some versions of gcc put a space before the `:'. On the theory nkeynes@179: ## that the space means something, we add a space to the output as nkeynes@179: ## well. nkeynes@179: ## Some versions of the HPUX 10.20 sed can't process this invocation nkeynes@179: ## correctly. Breaking it into two sed invocations is a workaround. nkeynes@179: sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" nkeynes@179: rm -f "$tmpdepfile" nkeynes@179: ;; nkeynes@179: nkeynes@179: hp) nkeynes@179: # This case exists only to let depend.m4 do its work. It works by nkeynes@179: # looking at the text of this script. This case will never be run, nkeynes@179: # since it is checked for above. nkeynes@179: exit 1 nkeynes@179: ;; nkeynes@179: nkeynes@179: sgi) nkeynes@179: if test "$libtool" = yes; then nkeynes@179: "$@" "-Wp,-MDupdate,$tmpdepfile" nkeynes@179: else nkeynes@179: "$@" -MDupdate "$tmpdepfile" nkeynes@179: fi nkeynes@179: stat=$? nkeynes@179: if test $stat -eq 0; then : nkeynes@179: else nkeynes@179: rm -f "$tmpdepfile" nkeynes@179: exit $stat nkeynes@179: fi nkeynes@179: rm -f "$depfile" nkeynes@179: nkeynes@179: if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files nkeynes@179: echo "$object : \\" > "$depfile" nkeynes@179: nkeynes@179: # Clip off the initial element (the dependent). Don't try to be nkeynes@179: # clever and replace this with sed code, as IRIX sed won't handle nkeynes@179: # lines with more than a fixed number of characters (4096 in nkeynes@179: # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; nkeynes@179: # the IRIX cc adds comments like `#:fec' to the end of the nkeynes@179: # dependency line. nkeynes@179: tr ' ' ' nkeynes@179: ' < "$tmpdepfile" \ nkeynes@179: | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \ nkeynes@179: tr ' nkeynes@179: ' ' ' >> $depfile nkeynes@179: echo >> $depfile nkeynes@179: nkeynes@179: # The second pass generates a dummy entry for each header file. nkeynes@179: tr ' ' ' nkeynes@179: ' < "$tmpdepfile" \ nkeynes@179: | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ nkeynes@179: >> $depfile nkeynes@179: else nkeynes@179: # The sourcefile does not contain any dependencies, so just nkeynes@179: # store a dummy comment line, to avoid errors with the Makefile nkeynes@179: # "include basename.Plo" scheme. nkeynes@179: echo "#dummy" > "$depfile" nkeynes@179: fi nkeynes@179: rm -f "$tmpdepfile" nkeynes@179: ;; nkeynes@179: nkeynes@179: aix) nkeynes@179: # The C for AIX Compiler uses -M and outputs the dependencies nkeynes@179: # in a .u file. In older versions, this file always lives in the nkeynes@179: # current directory. Also, the AIX compiler puts `$object:' at the nkeynes@179: # start of each line; $object doesn't have directory information. nkeynes@179: # Version 6 uses the directory in both cases. nkeynes@179: stripped=`echo "$object" | sed 's/\(.*\)\..*$/\1/'` nkeynes@179: tmpdepfile="$stripped.u" nkeynes@179: if test "$libtool" = yes; then nkeynes@179: "$@" -Wc,-M nkeynes@179: else nkeynes@179: "$@" -M nkeynes@179: fi nkeynes@179: stat=$? nkeynes@179: nkeynes@179: if test -f "$tmpdepfile"; then : nkeynes@179: else nkeynes@179: stripped=`echo "$stripped" | sed 's,^.*/,,'` nkeynes@179: tmpdepfile="$stripped.u" nkeynes@179: fi nkeynes@179: nkeynes@179: if test $stat -eq 0; then : nkeynes@179: else nkeynes@179: rm -f "$tmpdepfile" nkeynes@179: exit $stat nkeynes@179: fi nkeynes@179: nkeynes@179: if test -f "$tmpdepfile"; then nkeynes@179: outname="$stripped.o" nkeynes@179: # Each line is of the form `foo.o: dependent.h'. nkeynes@179: # Do two passes, one to just change these to nkeynes@179: # `$object: dependent.h' and one to simply `dependent.h:'. nkeynes@179: sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile" nkeynes@179: sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile" nkeynes@179: else nkeynes@179: # The sourcefile does not contain any dependencies, so just nkeynes@179: # store a dummy comment line, to avoid errors with the Makefile nkeynes@179: # "include basename.Plo" scheme. nkeynes@179: echo "#dummy" > "$depfile" nkeynes@179: fi nkeynes@179: rm -f "$tmpdepfile" nkeynes@179: ;; nkeynes@179: nkeynes@179: icc) nkeynes@179: # Intel's C compiler understands `-MD -MF file'. However on nkeynes@179: # icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c nkeynes@179: # ICC 7.0 will fill foo.d with something like nkeynes@179: # foo.o: sub/foo.c nkeynes@179: # foo.o: sub/foo.h nkeynes@179: # which is wrong. We want: nkeynes@179: # sub/foo.o: sub/foo.c nkeynes@179: # sub/foo.o: sub/foo.h nkeynes@179: # sub/foo.c: nkeynes@179: # sub/foo.h: nkeynes@179: # ICC 7.1 will output nkeynes@179: # foo.o: sub/foo.c sub/foo.h nkeynes@179: # and will wrap long lines using \ : nkeynes@179: # foo.o: sub/foo.c ... \ nkeynes@179: # sub/foo.h ... \ nkeynes@179: # ... nkeynes@179: nkeynes@179: "$@" -MD -MF "$tmpdepfile" nkeynes@179: stat=$? nkeynes@179: if test $stat -eq 0; then : nkeynes@179: else nkeynes@179: rm -f "$tmpdepfile" nkeynes@179: exit $stat nkeynes@179: fi nkeynes@179: rm -f "$depfile" nkeynes@179: # Each line is of the form `foo.o: dependent.h', nkeynes@179: # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. nkeynes@179: # Do two passes, one to just change these to nkeynes@179: # `$object: dependent.h' and one to simply `dependent.h:'. nkeynes@179: sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" nkeynes@179: # Some versions of the HPUX 10.20 sed can't process this invocation nkeynes@179: # correctly. Breaking it into two sed invocations is a workaround. nkeynes@179: sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" | nkeynes@179: sed -e 's/$/ :/' >> "$depfile" nkeynes@179: rm -f "$tmpdepfile" nkeynes@179: ;; nkeynes@179: nkeynes@179: tru64) nkeynes@179: # The Tru64 compiler uses -MD to generate dependencies as a side nkeynes@179: # effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'. nkeynes@179: # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put nkeynes@179: # dependencies in `foo.d' instead, so we check for that too. nkeynes@179: # Subdirectories are respected. nkeynes@179: dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` nkeynes@179: test "x$dir" = "x$object" && dir= nkeynes@179: base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` nkeynes@179: nkeynes@179: if test "$libtool" = yes; then nkeynes@179: tmpdepfile1="$dir.libs/$base.lo.d" nkeynes@179: tmpdepfile2="$dir.libs/$base.d" nkeynes@179: "$@" -Wc,-MD nkeynes@179: else nkeynes@179: tmpdepfile1="$dir$base.o.d" nkeynes@179: tmpdepfile2="$dir$base.d" nkeynes@179: "$@" -MD nkeynes@179: fi nkeynes@179: nkeynes@179: stat=$? nkeynes@179: if test $stat -eq 0; then : nkeynes@179: else nkeynes@179: rm -f "$tmpdepfile1" "$tmpdepfile2" nkeynes@179: exit $stat nkeynes@179: fi nkeynes@179: nkeynes@179: if test -f "$tmpdepfile1"; then nkeynes@179: tmpdepfile="$tmpdepfile1" nkeynes@179: else nkeynes@179: tmpdepfile="$tmpdepfile2" nkeynes@179: fi nkeynes@179: if test -f "$tmpdepfile"; then nkeynes@179: sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" nkeynes@179: # That's a tab and a space in the []. nkeynes@179: sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" nkeynes@179: else nkeynes@179: echo "#dummy" > "$depfile" nkeynes@179: fi nkeynes@179: rm -f "$tmpdepfile" nkeynes@179: ;; nkeynes@179: nkeynes@179: #nosideeffect) nkeynes@179: # This comment above is used by automake to tell side-effect nkeynes@179: # dependency tracking mechanisms from slower ones. nkeynes@179: nkeynes@179: dashmstdout) nkeynes@179: # Important note: in order to support this mode, a compiler *must* nkeynes@179: # always write the preprocessed file to stdout, regardless of -o. nkeynes@179: "$@" || exit $? nkeynes@179: nkeynes@179: # Remove the call to Libtool. nkeynes@179: if test "$libtool" = yes; then nkeynes@179: while test $1 != '--mode=compile'; do nkeynes@179: shift nkeynes@179: done nkeynes@179: shift nkeynes@179: fi nkeynes@179: nkeynes@179: # Remove `-o $object'. nkeynes@179: IFS=" " nkeynes@179: for arg nkeynes@179: do nkeynes@179: case $arg in nkeynes@179: -o) nkeynes@179: shift nkeynes@179: ;; nkeynes@179: $object) nkeynes@179: shift nkeynes@179: ;; nkeynes@179: *) nkeynes@179: set fnord "$@" "$arg" nkeynes@179: shift # fnord nkeynes@179: shift # $arg nkeynes@179: ;; nkeynes@179: esac nkeynes@179: done nkeynes@179: nkeynes@179: test -z "$dashmflag" && dashmflag=-M nkeynes@179: # Require at least two characters before searching for `:' nkeynes@179: # in the target name. This is to cope with DOS-style filenames: nkeynes@179: # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise. nkeynes@179: "$@" $dashmflag | nkeynes@179: sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile" nkeynes@179: rm -f "$depfile" nkeynes@179: cat < "$tmpdepfile" > "$depfile" nkeynes@179: tr ' ' ' nkeynes@179: ' < "$tmpdepfile" | \ nkeynes@179: ## Some versions of the HPUX 10.20 sed can't process this invocation nkeynes@179: ## correctly. Breaking it into two sed invocations is a workaround. nkeynes@179: sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" nkeynes@179: rm -f "$tmpdepfile" nkeynes@179: ;; nkeynes@179: nkeynes@179: dashXmstdout) nkeynes@179: # This case only exists to satisfy depend.m4. It is never actually nkeynes@179: # run, as this mode is specially recognized in the preamble. nkeynes@179: exit 1 nkeynes@179: ;; nkeynes@179: nkeynes@179: makedepend) nkeynes@179: "$@" || exit $? nkeynes@179: # Remove any Libtool call nkeynes@179: if test "$libtool" = yes; then nkeynes@179: while test $1 != '--mode=compile'; do nkeynes@179: shift nkeynes@179: done nkeynes@179: shift nkeynes@179: fi nkeynes@179: # X makedepend nkeynes@179: shift nkeynes@179: cleared=no nkeynes@179: for arg in "$@"; do nkeynes@179: case $cleared in nkeynes@179: no) nkeynes@179: set ""; shift nkeynes@179: cleared=yes ;; nkeynes@179: esac nkeynes@179: case "$arg" in nkeynes@179: -D*|-I*) nkeynes@179: set fnord "$@" "$arg"; shift ;; nkeynes@179: # Strip any option that makedepend may not understand. Remove nkeynes@179: # the object too, otherwise makedepend will parse it as a source file. nkeynes@179: -*|$object) nkeynes@179: ;; nkeynes@179: *) nkeynes@179: set fnord "$@" "$arg"; shift ;; nkeynes@179: esac nkeynes@179: done nkeynes@179: obj_suffix="`echo $object | sed 's/^.*\././'`" nkeynes@179: touch "$tmpdepfile" nkeynes@179: ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@" nkeynes@179: rm -f "$depfile" nkeynes@179: cat < "$tmpdepfile" > "$depfile" nkeynes@179: sed '1,2d' "$tmpdepfile" | tr ' ' ' nkeynes@179: ' | \ nkeynes@179: ## Some versions of the HPUX 10.20 sed can't process this invocation nkeynes@179: ## correctly. Breaking it into two sed invocations is a workaround. nkeynes@179: sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" nkeynes@179: rm -f "$tmpdepfile" "$tmpdepfile".bak nkeynes@179: ;; nkeynes@179: nkeynes@179: cpp) nkeynes@179: # Important note: in order to support this mode, a compiler *must* nkeynes@179: # always write the preprocessed file to stdout. nkeynes@179: "$@" || exit $? nkeynes@179: nkeynes@179: # Remove the call to Libtool. nkeynes@179: if test "$libtool" = yes; then nkeynes@179: while test $1 != '--mode=compile'; do nkeynes@179: shift nkeynes@179: done nkeynes@179: shift nkeynes@179: fi nkeynes@179: nkeynes@179: # Remove `-o $object'. nkeynes@179: IFS=" " nkeynes@179: for arg nkeynes@179: do nkeynes@179: case $arg in nkeynes@179: -o) nkeynes@179: shift nkeynes@179: ;; nkeynes@179: $object) nkeynes@179: shift nkeynes@179: ;; nkeynes@179: *) nkeynes@179: set fnord "$@" "$arg" nkeynes@179: shift # fnord nkeynes@179: shift # $arg nkeynes@179: ;; nkeynes@179: esac nkeynes@179: done nkeynes@179: nkeynes@179: "$@" -E | nkeynes@179: sed -n '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' | nkeynes@179: sed '$ s: \\$::' > "$tmpdepfile" nkeynes@179: rm -f "$depfile" nkeynes@179: echo "$object : \\" > "$depfile" nkeynes@179: cat < "$tmpdepfile" >> "$depfile" nkeynes@179: sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" nkeynes@179: rm -f "$tmpdepfile" nkeynes@179: ;; nkeynes@179: nkeynes@179: msvisualcpp) nkeynes@179: # Important note: in order to support this mode, a compiler *must* nkeynes@179: # always write the preprocessed file to stdout, regardless of -o, nkeynes@179: # because we must use -o when running libtool. nkeynes@179: "$@" || exit $? nkeynes@179: IFS=" " nkeynes@179: for arg nkeynes@179: do nkeynes@179: case "$arg" in nkeynes@179: "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") nkeynes@179: set fnord "$@" nkeynes@179: shift nkeynes@179: shift nkeynes@179: ;; nkeynes@179: *) nkeynes@179: set fnord "$@" "$arg" nkeynes@179: shift nkeynes@179: shift nkeynes@179: ;; nkeynes@179: esac nkeynes@179: done nkeynes@179: "$@" -E | nkeynes@179: sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile" nkeynes@179: rm -f "$depfile" nkeynes@179: echo "$object : \\" > "$depfile" nkeynes@179: . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile" nkeynes@179: echo " " >> "$depfile" nkeynes@179: . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile" nkeynes@179: rm -f "$tmpdepfile" nkeynes@179: ;; nkeynes@179: nkeynes@179: none) nkeynes@179: exec "$@" nkeynes@179: ;; nkeynes@179: nkeynes@179: *) nkeynes@179: echo "Unknown depmode $depmode" 1>&2 nkeynes@179: exit 1 nkeynes@179: ;; nkeynes@179: esac nkeynes@179: nkeynes@179: exit 0