diff options
Diffstat (limited to 'depcomp')
| -rwxr-xr-x | depcomp | 201 |
1 files changed, 159 insertions, 42 deletions
@@ -1,7 +1,10 @@ #! /bin/sh - # depcomp - compile a program generating dependencies as side-effects -# Copyright 1999, 2000 Free Software Foundation, Inc. + +scriptversion=2007-03-29.01 + +# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007 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 @@ -15,8 +18,8 @@ # 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. +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +# 02110-1301, USA. # As a special exception to the GNU General Public License, if you # distribute this file as part of a program that contains a @@ -25,22 +28,45 @@ # Originally written by Alexandre Oliva <[email protected]>. +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 <[email protected]>. +EOF + exit $? + ;; + -v | --v*) + echo "depcomp $scriptversion" + exit $? + ;; +esac + if test -z "$depmode" || test -z "$source" || test -z "$object"; then echo "depcomp: Variables source, object and depmode must be set" 1>&2 exit 1 fi -# `libtool' can also be set to `yes' or `no'. - -if test -z "$depfile"; then - base=`echo "$object" | sed -e 's,^.*/,,' -e 's,\.\([^.]*\)$,.P\1,'` - dir=`echo "$object" | sed 's,/.*$,/,'` - if test "$dir" = "$object"; then - dir= - fi - # FIXME: should be _deps on DOS. - depfile="$dir.deps/$base" -fi +# Dependencies for sub/bar.o or sub/bar.obj go into sub/.deps/bar.Po. +depfile=${depfile-`echo "$object" | + sed 's|[^\\/]*$|'${DEPDIR-.deps}'/&|;s|\.\([^.]*\)$|.P\1|;s|Pobj$|Po|'`} tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`} rm -f "$tmpdepfile" @@ -66,7 +92,20 @@ 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" +## Unfortunately, FreeBSD c89 acceptance of flags depends upon +## the command line argument order; so add the flags where they +## appear in depend2.am. Note that the slowdown incurred here +## affects only configure: in makefiles, %FASTDEP% shortcuts this. + for arg + do + case $arg in + -c) set fnord "$@" -MT "$object" -MD -MP -MF "$tmpdepfile" "$arg" ;; + *) set fnord "$@" "$arg" ;; + esac + shift # fnord + shift # $arg + done + "$@" stat=$? if test $stat -eq 0; then : else @@ -172,31 +211,43 @@ sgi) aix) # The C for AIX Compiler uses -M and outputs the dependencies - # in a .u file. This file always lives in the current directory. - # Also, the AIX compiler puts `$object:' at the start of each line; - # $object doesn't have directory information. - stripped=`echo "$object" | sed -e 's,^.*/,,' -e 's/\(.*\)\..*$/\1/'` - tmpdepfile="$stripped.u" - outname="$stripped.o" + # in a .u file. In older versions, this file always lives in the + # current directory. Also, the AIX compiler puts `$object:' at the + # start of each line; $object doesn't have directory information. + # Version 6 uses the directory in both cases. + dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` + test "x$dir" = "x$object" && dir= + base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` if test "$libtool" = yes; then + tmpdepfile1=$dir$base.u + tmpdepfile2=$base.u + tmpdepfile3=$dir.libs/$base.u "$@" -Wc,-M else + tmpdepfile1=$dir$base.u + tmpdepfile2=$dir$base.u + tmpdepfile3=$dir$base.u "$@" -M fi - stat=$? + if test $stat -eq 0; then : else - rm -f "$tmpdepfile" + rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" exit $stat fi + for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" + do + test -f "$tmpdepfile" && break + done if test -f "$tmpdepfile"; then # 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" >> "$depfile" + sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" + # That's a tab and a space in the []. + sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" else # The sourcefile does not contain any dependencies, so just # store a dummy comment line, to avoid errors with the Makefile @@ -244,6 +295,46 @@ icc) rm -f "$tmpdepfile" ;; +hp2) + # The "hp" stanza above does not work with aCC (C++) and HP's ia64 + # compilers, which have integrated preprocessors. The correct option + # to use with these is +Maked; it writes dependencies to a file named + # 'foo.d', which lands next to the object file, wherever that + # happens to be. + # Much of this is similar to the tru64 case; see comments there. + 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 + tmpdepfile1=$dir$base.d + tmpdepfile2=$dir.libs/$base.d + "$@" -Wc,+Maked + else + tmpdepfile1=$dir$base.d + tmpdepfile2=$dir$base.d + "$@" +Maked + fi + stat=$? + if test $stat -eq 0; then : + else + rm -f "$tmpdepfile1" "$tmpdepfile2" + exit $stat + fi + + for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" + do + test -f "$tmpdepfile" && break + done + if test -f "$tmpdepfile"; then + sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile" + # Add `dependent.h:' lines. + sed -ne '2,${; s/^ *//; s/ \\*$//; s/$/:/; p;}' "$tmpdepfile" >> "$depfile" + else + echo "#dummy" > "$depfile" + fi + rm -f "$tmpdepfile" "$tmpdepfile2" + ;; + 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'. @@ -255,31 +346,47 @@ tru64) base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'` if test "$libtool" = yes; then - tmpdepfile1="$dir.libs/$base.lo.d" - tmpdepfile2="$dir.libs/$base.d" + # With Tru64 cc, shared objects can also be used to make a + # static library. This mechanism is used in libtool 1.4 series to + # handle both shared and static libraries in a single compilation. + # With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d. + # + # With libtool 1.5 this exception was removed, and libtool now + # generates 2 separate objects for the 2 libraries. These two + # compilations output dependencies in $dir.libs/$base.o.d and + # in $dir$base.o.d. We have to check for both files, because + # one of the two compilations can be disabled. We should prefer + # $dir$base.o.d over $dir.libs/$base.o.d because the latter is + # automatically cleaned when .libs/ is deleted, while ignoring + # the former would cause a distcleancheck panic. + tmpdepfile1=$dir.libs/$base.lo.d # libtool 1.4 + tmpdepfile2=$dir$base.o.d # libtool 1.5 + tmpdepfile3=$dir.libs/$base.o.d # libtool 1.5 + tmpdepfile4=$dir.libs/$base.d # Compaq CCC V6.2-504 "$@" -Wc,-MD else - tmpdepfile1="$dir$base.o.d" - tmpdepfile2="$dir$base.d" + tmpdepfile1=$dir$base.o.d + tmpdepfile2=$dir$base.d + tmpdepfile3=$dir$base.d + tmpdepfile4=$dir$base.d "$@" -MD fi stat=$? if test $stat -eq 0; then : else - rm -f "$tmpdepfile1" "$tmpdepfile2" + rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4" exit $stat fi - if test -f "$tmpdepfile1"; then - tmpdepfile="$tmpdepfile1" - else - tmpdepfile="$tmpdepfile2" - fi + for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4" + do + test -f "$tmpdepfile" && break + done if test -f "$tmpdepfile"; then sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" - # That's a space and a tab in the []. - sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" + # That's a tab and a space in the []. + sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" else echo "#dummy" > "$depfile" fi @@ -292,7 +399,7 @@ tru64) dashmstdout) # 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, regardless of -o. "$@" || exit $? # Remove the call to Libtool. @@ -388,7 +495,7 @@ makedepend) cpp) # Important note: in order to support this mode, a compiler *must* - # always write the proprocessed file to stdout. + # always write the preprocessed file to stdout. "$@" || exit $? # Remove the call to Libtool. @@ -419,7 +526,8 @@ cpp) done "$@" -E | - sed -n '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' | + sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \ + -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' | sed '$ s: \\$::' > "$tmpdepfile" rm -f "$depfile" echo "$object : \\" > "$depfile" @@ -430,7 +538,7 @@ cpp) msvisualcpp) # 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, regardless of -o, # because we must use -o when running libtool. "$@" || exit $? IFS=" " @@ -470,3 +578,12 @@ none) esac exit 0 + +# Local Variables: +# mode: shell-script +# sh-indentation: 2 +# eval: (add-hook 'write-file-hooks 'time-stamp) +# time-stamp-start: "scriptversion=" +# time-stamp-format: "%:y-%02m-%02d.%02H" +# time-stamp-end: "$" +# End: |