diff options
Diffstat (limited to 'depcomp')
| -rwxr-xr-x | depcomp | 535 |
1 files changed, 387 insertions, 148 deletions
@@ -1,7 +1,9 @@ #! /bin/sh - # depcomp - compile a program generating dependencies as side-effects -# Copyright (C) 1999 Free Software Foundation, Inc. + +scriptversion=2004-05-31.23 + +# Copyright (C) 1999, 2000, 2003, 2004 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 @@ -18,30 +20,85 @@ # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA # 02111-1307, USA. +# As a special exception to the GNU General Public License, if you +# distribute this file as part of a program that contains a +# configuration script generated by Autoconf, you may include it under +# the same distribution terms that you use for the rest of that program. + # Originally written by Alexandre Oliva <oliva@dcc.unicamp.br>. +case $1 in + '') + echo "$0: No command. Try \`$0 --help' for more information." 1>&2 + exit 1; + ;; + -h | --h*) + cat <<\EOF +Usage: depcomp [--help] [--version] PROGRAM [ARGS] + +Run PROGRAMS ARGS to compile a file, generating dependencies +as side-effects. + +Environment variables: + depmode Dependency tracking mode. + source Source file read by `PROGRAMS ARGS'. + object Object file output by `PROGRAMS ARGS'. + DEPDIR directory where to store dependencies. + depfile Dependency file to output. + tmpdepfile Temporary file to use when outputing dependencies. + libtool Whether libtool is used (yes/no). + +Report bugs to <bug-automake@gnu.org>. +EOF + exit 0 + ;; + -v | --v*) + echo "depcomp $scriptversion" + exit 0 + ;; +esac + if test -z "$depmode" || test -z "$source" || test -z "$object"; then echo "depcomp: Variables source, object and depmode must be set" 1>&2 exit 1 fi -depfile=${depfile-`echo "$object" | sed 's,\([^/]*\)$,.deps/\1,;s/\.\([^.]*\)$/.P\1/'`} +# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. +depfile=${depfile-`echo "$object" | + sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} 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 "$depmode" in -hp) - # This case exists only to let depend.m4 do its work. It works by - # looking at the text of this script. This case will never be run, - # since it is checked for above. - exit 1 +gcc3) +## gcc 3 implements dependency tracking that does exactly what +## we want. Yay! Note: for some reason libtool 1.4 doesn't like +## it if -MD -MP comes after the -MF stuff. Hmm. + "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" + stat=$? + if test $stat -eq 0; then : + else + rm -f "$tmpdepfile" + exit $stat + fi + mv "$tmpdepfile" "$depfile" ;; gcc) @@ -57,15 +114,19 @@ gcc) if test -z "$gccflag"; then gccflag=-MD, fi - if "$@" -Wp,"$gccflag$tmpdepfile"; then : + "$@" -Wp,"$gccflag$tmpdepfile" + stat=$? + if test $stat -eq 0; then : else - stat=$? rm -f "$tmpdepfile" exit $stat fi - rm -f "$depfile" + rm -f "$depfile" echo "$object : \\" > "$depfile" - sed 's/^[^:]*: / /' < "$tmpdepfile" >> "$depfile" + alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz +## The second -e expression handles DOS-style file names with drive letters. + sed -e 's/^[^:]*: / /' \ + -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$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 @@ -83,71 +144,232 @@ gcc) rm -f "$tmpdepfile" ;; -dashmd) - # The Java front end to gcc doesn't run cpp, so we can't use the -Wp - # trick. Instead we must use -M and then rename the resulting .d - # file. Yuck. - if "$@" -MD; then : +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 + ;; + +sgi) + if test "$libtool" = yes; then + "$@" "-Wp,-MDupdate,$tmpdepfile" else - stat=$? - rm -f FIXME + "$@" -MDupdate "$tmpdepfile" + fi + stat=$? + if test $stat -eq 0; then : + else + rm -f "$tmpdepfile" exit $stat fi - FIXME: rewrite the file + rm -f "$depfile" + + if test -f "$tmpdepfile"; then # yes, the sourcefile depend on other files + echo "$object : \\" > "$depfile" + + # Clip off the initial element (the dependent). Don't try to be + # clever and replace this with sed code, as IRIX sed won't handle + # lines with more than a fixed number of characters (4096 in + # IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; + # the IRIX cc adds comments like `#:fec' to the end of the + # dependency line. + tr ' ' ' +' < "$tmpdepfile" \ + | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \ + tr ' +' ' ' >> $depfile + echo >> $depfile + + # The second pass generates a dummy entry for each header file. + tr ' ' ' +' < "$tmpdepfile" \ + | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ + >> $depfile + else + # The sourcefile does not contain any dependencies, so just + # store a dummy comment line, to avoid errors with the Makefile + # "include basename.Plo" scheme. + echo "#dummy" > "$depfile" + fi + rm -f "$tmpdepfile" ;; -sgi) - if "$@" -MDupdate "$tmpdepfile"; then : +aix) + # The C for AIX Compiler uses -M and outputs the dependencies + # in a .u file. In older versions, this file always lives in the + # current directory. Also, the AIX compiler puts `$object:' at the + # start of each line; $object doesn't have directory information. + # Version 6 uses the directory in both cases. + stripped=`echo "$object" | sed 's/\(.*\)\..*$/\1/'` + tmpdepfile="$stripped.u" + if test "$libtool" = yes; then + "$@" -Wc,-M + else + "$@" -M + fi + stat=$? + + if test -f "$tmpdepfile"; then : + else + stripped=`echo "$stripped" | sed 's,^.*/,,'` + tmpdepfile="$stripped.u" + fi + + if test $stat -eq 0; then : else - stat=$? rm -f "$tmpdepfile" exit $stat fi - rm -f "$depfile" - echo "$object : \\" > "$depfile" - sed 's/^[^:]*: / /' < "$tmpdepfile" >> "$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" + + if test -f "$tmpdepfile"; then + outname="$stripped.o" + # Each line is of the form `foo.o: dependent.h'. + # Do two passes, one to just change these to + # `$object: dependent.h' and one to simply `dependent.h:'. + sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile" + sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile" + else + # The sourcefile does not contain any dependencies, so just + # store a dummy comment line, to avoid errors with the Makefile + # "include basename.Plo" scheme. + echo "#dummy" > "$depfile" + fi + rm -f "$tmpdepfile" + ;; + +icc) + # Intel's C compiler understands `-MD -MF file'. However on + # icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c + # ICC 7.0 will fill foo.d with something like + # foo.o: sub/foo.c + # foo.o: sub/foo.h + # which is wrong. We want: + # sub/foo.o: sub/foo.c + # sub/foo.o: sub/foo.h + # sub/foo.c: + # sub/foo.h: + # ICC 7.1 will output + # foo.o: sub/foo.c sub/foo.h + # and will wrap long lines using \ : + # foo.o: sub/foo.c ... \ + # sub/foo.h ... \ + # ... + + "$@" -MD -MF "$tmpdepfile" + stat=$? + if test $stat -eq 0; then : + else + rm -f "$tmpdepfile" + exit $stat + fi + rm -f "$depfile" + # Each line is of the form `foo.o: dependent.h', + # or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. + # Do two passes, one to just change these to + # `$object: dependent.h' and one to simply `dependent.h:'. + sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" + # Some versions of the HPUX 10.20 sed can't process this invocation + # correctly. Breaking it into two sed invocations is a workaround. + sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" | + sed -e 's/$/ :/' >> "$depfile" rm -f "$tmpdepfile" ;; +tru64) + # The Tru64 compiler uses -MD to generate dependencies as a side + # effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'. + # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put + # dependencies in `foo.d' instead, so we check for that too. + # Subdirectories are respected. + dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` + test "x$dir" = "x$object" && dir= + base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` + + if test "$libtool" = yes; then + # Dependencies are output in .lo.d with libtool 1.4. + # With libtool 1.5 they are output both in $dir.libs/$base.o.d + # and in $dir.libs/$base.o.d and $dir$base.o.d. We process the + # latter, because the former will be cleaned when $dir.libs is + # erased. + tmpdepfile1="$dir.libs/$base.lo.d" + tmpdepfile2="$dir$base.o.d" + tmpdepfile3="$dir.libs/$base.d" + "$@" -Wc,-MD + else + tmpdepfile1="$dir$base.o.d" + tmpdepfile2="$dir$base.d" + tmpdepfile3="$dir$base.d" + "$@" -MD + fi + + stat=$? + if test $stat -eq 0; then : + else + rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + exit $stat + fi + + if test -f "$tmpdepfile1"; then + tmpdepfile="$tmpdepfile1" + elif test -f "$tmpdepfile2"; then + tmpdepfile="$tmpdepfile2" + else + tmpdepfile="$tmpdepfile3" + fi + if test -f "$tmpdepfile"; then + sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" + # That's a tab and a space in the []. + sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" + else + echo "#dummy" > "$depfile" + fi + 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. - ( 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 + # always write the preprocessed file to stdout, regardless of -o. + "$@" || exit $? + + # Remove the call to Libtool. + if test "$libtool" = yes; then + while test $1 != '--mode=compile'; do + shift + done + shift + fi + + # Remove `-o $object'. + IFS=" " + for arg + do + case $arg in + -o) + shift + ;; + $object) + shift + ;; + *) + set fnord "$@" "$arg" + shift # fnord + shift # $arg ;; esac - "$@" -M | sed 's:^[^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile" - ) & - proc=$! - "$@" - stat=$? - wait "$proc" - if test "$stat" != 0; then exit $stat; fi - rm -f "$depfile" + done + + test -z "$dashmflag" && dashmflag=-M + # Require at least two characters before searching for `:' + # in the target name. This is to cope with DOS-style filenames: + # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise. + "$@" $dashmflag | + sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile" + rm -f "$depfile" cat < "$tmpdepfile" > "$depfile" tr ' ' ' ' < "$tmpdepfile" | \ @@ -158,75 +380,46 @@ dashmstdout) ;; dashXmstdout) - # 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 " $* " in - *" --mode=compile "*) # this is libtool, let us make it quiet - for arg - do # cycle over the arguments - case "$arg" in - "--mode=compile") - # insert --quiet before "--mode=compile" - set fnord "$@" --quiet - shift # fnord - ;; - esac - set fnord "$@" "$arg" - shift # fnord - shift # "$arg" - done - ;; - esac - "$@" -xM | sed 's:^[^:]*\:[ ]*:'"$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 "$tmpdepfile" + # This case only exists to satisfy depend.m4. It is never actually + # run, as this mode is specially recognized in the preamble. + exit 1 ;; makedepend) - # X makedepend - ( - shift - cleared=no - for arg in "$@"; do - case $cleared in no) - set ""; shift - cleared=yes - esac - case "$arg" in - -D*|-I*) - set fnord "$@" "$arg"; shift;; - -*) - ;; - *) - set fnord "$@" "$arg"; shift;; - esac + "$@" || exit $? + # Remove any Libtool call + if test "$libtool" = yes; then + while test $1 != '--mode=compile'; do + shift 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" + shift + fi + # 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 ;; + # Strip any option that makedepend may not understand. Remove + # the object too, otherwise makedepend will parse it as a source file. + -*|$object) + ;; + *) + set fnord "$@" "$arg"; shift ;; + esac + done + obj_suffix="`echo $object | sed 's/^.*\././'`" + touch "$tmpdepfile" + ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@" + rm -f "$depfile" cat < "$tmpdepfile" > "$depfile" - tail +3 "$tmpdepfile" | tr ' ' ' + sed '1,2d' "$tmpdepfile" | tr ' ' ' ' | \ ## Some versions of the HPUX 10.20 sed can't process this invocation ## correctly. Breaking it into two sed invocations is a workaround. @@ -236,37 +429,74 @@ makedepend) cpp) # Important note: in order to support this mode, a compiler *must* - # always write the proprocessed file to stdout, regardless of -o, + # always write the preprocessed file to stdout. + "$@" || exit $? + + # Remove the call to Libtool. + if test "$libtool" = yes; then + while test $1 != '--mode=compile'; do + shift + done + shift + fi + + # Remove `-o $object'. + IFS=" " + for arg + do + case $arg in + -o) + shift + ;; + $object) + shift + ;; + *) + set fnord "$@" "$arg" + shift # fnord + shift # $arg + ;; + esac + done + + "$@" -E | + sed -n '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' | + sed '$ s: \\$::' > "$tmpdepfile" + rm -f "$depfile" + echo "$object : \\" > "$depfile" + cat < "$tmpdepfile" >> "$depfile" + sed < "$tmpdepfile" '/^$/d;s/^ //;s/ \\$//;s/$/ :/' >> "$depfile" + rm -f "$tmpdepfile" + ;; + +msvisualcpp) + # Important note: in order to support this mode, a compiler *must* + # always write the preprocessed 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 "$@" --quiet - shift # fnord - ;; - esac + "$@" || exit $? + IFS=" " + for arg + do + case "$arg" in + "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI") + set fnord "$@" + shift + shift + ;; + *) set fnord "$@" "$arg" - shift # fnord - shift # "$arg" - done - ;; + shift + shift + ;; esac - "$@" -E | - sed -n '/^# [0-9][0-9]* "\([^"]*\)"/ s::'"$object"'\: \1:p' > "$tmpdepfile" - ) & - proc=$! - "$@" - stat=$? - wait "$proc" - if test "$stat" != 0; then exit $stat; fi + done + "$@" -E | + sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile" rm -f "$depfile" - cat < "$tmpdepfile" > "$depfile" - sed < "$tmpdepfile" -e 's/^[^:]*: //' -e 's/$/ :/' >> "$depfile" + echo "$object : \\" > "$depfile" + . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile" + echo " " >> "$depfile" + . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile" rm -f "$tmpdepfile" ;; @@ -281,3 +511,12 @@ none) esac exit 0 + +# Local Variables: +# mode: shell-script +# sh-indentation: 2 +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-end: "$" +# End: |