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#! /bin/sh |
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# depcomp - compile a program generating dependencies as side-effects |
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|
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< |
scriptversion=2009-04-28.21; # UTC |
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> |
scriptversion=2012-07-12.20; # UTC |
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|
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< |
# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007, 2009 Free |
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< |
# Software Foundation, Inc. |
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> |
# Copyright (C) 1999-2012 Free Software Foundation, Inc. |
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|
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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|
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case $1 in |
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'') |
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< |
echo "$0: No command. Try \`$0 --help' for more information." 1>&2 |
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> |
echo "$0: No command. Try '$0 --help' for more information." 1>&2 |
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exit 1; |
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;; |
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-h | --h*) |
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|
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Environment variables: |
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depmode Dependency tracking mode. |
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< |
source Source file read by `PROGRAMS ARGS'. |
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< |
object Object file output by `PROGRAMS ARGS'. |
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> |
source Source file read by 'PROGRAMS ARGS'. |
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> |
object Object file output by 'PROGRAMS ARGS'. |
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DEPDIR directory where to store dependencies. |
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depfile Dependency file to output. |
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tmpdepfile Temporary file to use when outputing dependencies. |
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> |
tmpdepfile Temporary file to use when outputting dependencies. |
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libtool Whether libtool is used (yes/no). |
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Report bugs to <bug-automake@gnu.org>. |
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;; |
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esac |
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|
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# A tabulation character. |
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tab=' ' |
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# A newline character. |
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nl=' |
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' |
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|
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if test -z "$depmode" || test -z "$source" || test -z "$object"; then |
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echo "depcomp: Variables source, object and depmode must be set" 1>&2 |
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exit 1 |
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|
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rm -f "$tmpdepfile" |
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|
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# Avoid interferences from the environment. |
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gccflag= dashmflag= |
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|
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# Some modes work just like other modes, but use different flags. We |
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# parameterize here, but still list the modes in the big case below, |
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# to make depend.m4 easier to write. Note that we *cannot* use a case |
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# This is just like msvisualcpp but w/o cygpath translation. |
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# Just convert the backslash-escaped backslashes to single forward |
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# slashes to satisfy depend.m4 |
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< |
cygpath_u="sed s,\\\\\\\\,/,g" |
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> |
cygpath_u='sed s,\\\\,/,g' |
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depmode=msvisualcpp |
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fi |
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|
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if test "$depmode" = msvc7msys; then |
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# This is just like msvc7 but w/o cygpath translation. |
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# Just convert the backslash-escaped backslashes to single forward |
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# slashes to satisfy depend.m4 |
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cygpath_u='sed s,\\\\,/,g' |
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depmode=msvc7 |
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fi |
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|
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if test "$depmode" = xlc; then |
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# IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information. |
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gccflag=-qmakedep=gcc,-MF |
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depmode=gcc |
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fi |
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|
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case "$depmode" in |
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gcc3) |
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## gcc 3 implements dependency tracking that does exactly what |
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;; |
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|
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gcc) |
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## Note that this doesn't just cater to obsosete pre-3.x GCC compilers. |
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## but also to in-use compilers like IMB xlc/xlC and the HP C compiler. |
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## (see the conditional assignment to $gccflag above). |
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## There are various ways to get dependency output from gcc. Here's |
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## why we pick this rather obscure method: |
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## - Don't want to use -MD because we'd like the dependencies to end |
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## up in a subdir. Having to rename by hand is ugly. |
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## (We might end up doing this anyway to support other compilers.) |
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## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like |
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< |
## -MM, not -M (despite what the docs say). |
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## -MM, not -M (despite what the docs say). Also, it might not be |
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## supported by the other compilers which use the 'gcc' depmode. |
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## - Using -M directly means running the compiler twice (even worse |
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## than renaming). |
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if test -z "$gccflag"; then |
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## The second -e expression handles DOS-style file names with drive letters. |
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sed -e 's/^[^:]*: / /' \ |
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-e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile" |
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## This next piece of magic avoids the `deleted header file' problem. |
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> |
## This next piece of magic avoids the "deleted header file" problem. |
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## The problem is that when a header file which appears in a .P file |
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## is deleted, the dependency causes make to die (because there is |
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## typically no way to rebuild the header). We avoid this by adding |
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## dummy dependencies for each header file. Too bad gcc doesn't do |
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## this for us directly. |
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< |
tr ' ' ' |
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< |
' < "$tmpdepfile" | |
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< |
## Some versions of gcc put a space before the `:'. On the theory |
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> |
tr ' ' "$nl" < "$tmpdepfile" | |
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## Some versions of gcc put a space before the ':'. On the theory |
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## that the space means something, we add a space to the output as |
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< |
## well. |
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> |
## well. hp depmode also adds that space, but also prefixes the VPATH |
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> |
## to the object. Take care to not repeat it in the output. |
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## Some versions of the HPUX 10.20 sed can't process this invocation |
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## correctly. Breaking it into two sed invocations is a workaround. |
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< |
sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" |
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> |
sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \ |
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> |
| sed -e 's/$/ :/' >> "$depfile" |
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rm -f "$tmpdepfile" |
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;; |
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|
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# clever and replace this with sed code, as IRIX sed won't handle |
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# lines with more than a fixed number of characters (4096 in |
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# IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; |
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< |
# the IRIX cc adds comments like `#:fec' to the end of the |
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> |
# the IRIX cc adds comments like '#:fec' to the end of the |
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# dependency line. |
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< |
tr ' ' ' |
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< |
' < "$tmpdepfile" \ |
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> |
tr ' ' "$nl" < "$tmpdepfile" \ |
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| sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \ |
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< |
tr ' |
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< |
' ' ' >> "$depfile" |
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> |
tr "$nl" ' ' >> "$depfile" |
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echo >> "$depfile" |
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|
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# The second pass generates a dummy entry for each header file. |
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< |
tr ' ' ' |
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< |
' < "$tmpdepfile" \ |
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> |
tr ' ' "$nl" < "$tmpdepfile" \ |
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| sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \ |
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>> "$depfile" |
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else |
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rm -f "$tmpdepfile" |
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;; |
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|
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+ |
xlc) |
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+ |
# This case exists only to let depend.m4 do its work. It works by |
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# looking at the text of this script. This case will never be run, |
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# since it is checked for above. |
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+ |
exit 1 |
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+ |
;; |
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+ |
|
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aix) |
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# The C for AIX Compiler uses -M and outputs the dependencies |
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# in a .u file. In older versions, this file always lives in the |
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< |
# current directory. Also, the AIX compiler puts `$object:' at the |
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> |
# current directory. Also, the AIX compiler puts '$object:' at the |
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# start of each line; $object doesn't have directory information. |
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# Version 6 uses the directory in both cases. |
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dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` |
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test -f "$tmpdepfile" && break |
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done |
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if test -f "$tmpdepfile"; then |
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< |
# Each line is of the form `foo.o: dependent.h'. |
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> |
# Each line is of the form 'foo.o: dependent.h'. |
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# Do two passes, one to just change these to |
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< |
# `$object: dependent.h' and one to simply `dependent.h:'. |
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> |
# '$object: dependent.h' and one to simply 'dependent.h:'. |
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sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" |
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< |
# That's a tab and a space in the []. |
| 257 |
< |
sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" |
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> |
sed -e 's,^.*\.[a-z]*:['"$tab"' ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" |
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else |
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# The sourcefile does not contain any dependencies, so just |
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# store a dummy comment line, to avoid errors with the Makefile |
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;; |
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|
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|
icc) |
| 298 |
< |
# Intel's C compiler understands `-MD -MF file'. However on |
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< |
# icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c |
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> |
# Intel's C compiler anf tcc (Tiny C Compiler) understand '-MD -MF file'. |
| 299 |
> |
# However on |
| 300 |
> |
# $CC -MD -MF foo.d -c -o sub/foo.o sub/foo.c |
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# ICC 7.0 will fill foo.d with something like |
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# foo.o: sub/foo.c |
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# foo.o: sub/foo.h |
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< |
# which is wrong. We want: |
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> |
# which is wrong. We want |
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# sub/foo.o: sub/foo.c |
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# sub/foo.o: sub/foo.h |
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# sub/foo.c: |
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# sub/foo.h: |
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# ICC 7.1 will output |
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# foo.o: sub/foo.c sub/foo.h |
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< |
# and will wrap long lines using \ : |
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> |
# and will wrap long lines using '\': |
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|
# foo.o: sub/foo.c ... \ |
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# sub/foo.h ... \ |
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|
# ... |
| 315 |
< |
|
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> |
# tcc 0.9.26 (FIXME still under development at the moment of writing) |
| 316 |
> |
# will emit a similar output, but also prepend the continuation lines |
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> |
# with horizontal tabulation characters. |
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"$@" -MD -MF "$tmpdepfile" |
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stat=$? |
| 320 |
|
if test $stat -eq 0; then : |
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exit $stat |
| 324 |
|
fi |
| 325 |
|
rm -f "$depfile" |
| 326 |
+ |
# Each line is of the form 'foo.o: dependent.h', |
| 327 |
+ |
# or 'foo.o: dep1.h dep2.h \', or ' dep3.h dep4.h \'. |
| 328 |
+ |
# Do two passes, one to just change these to |
| 329 |
+ |
# '$object: dependent.h' and one to simply 'dependent.h:'. |
| 330 |
+ |
sed -e "s/^[ $tab][ $tab]*/ /" -e "s,^[^:]*:,$object :," \ |
| 331 |
+ |
< "$tmpdepfile" > "$depfile" |
| 332 |
+ |
sed ' |
| 333 |
+ |
s/[ '"$tab"'][ '"$tab"']*/ /g |
| 334 |
+ |
s/^ *// |
| 335 |
+ |
s/ *\\*$// |
| 336 |
+ |
s/^[^:]*: *// |
| 337 |
+ |
/^$/d |
| 338 |
+ |
/:$/d |
| 339 |
+ |
s/$/ :/ |
| 340 |
+ |
' < "$tmpdepfile" >> "$depfile" |
| 341 |
+ |
rm -f "$tmpdepfile" |
| 342 |
+ |
;; |
| 343 |
+ |
|
| 344 |
+ |
## The order of this option in the case statement is important, since the |
| 345 |
+ |
## shell code in configure will try each of these formats in the order |
| 346 |
+ |
## listed in this file. A plain '-MD' option would be understood by many |
| 347 |
+ |
## compilers, so we must ensure this comes after the gcc and icc options. |
| 348 |
+ |
pgcc) |
| 349 |
+ |
# Portland's C compiler understands '-MD'. |
| 350 |
+ |
# Will always output deps to 'file.d' where file is the root name of the |
| 351 |
+ |
# source file under compilation, even if file resides in a subdirectory. |
| 352 |
+ |
# The object file name does not affect the name of the '.d' file. |
| 353 |
+ |
# pgcc 10.2 will output |
| 354 |
+ |
# foo.o: sub/foo.c sub/foo.h |
| 355 |
+ |
# and will wrap long lines using '\' : |
| 356 |
+ |
# foo.o: sub/foo.c ... \ |
| 357 |
+ |
# sub/foo.h ... \ |
| 358 |
+ |
# ... |
| 359 |
+ |
dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` |
| 360 |
+ |
test "x$dir" = "x$object" && dir= |
| 361 |
+ |
# Use the source, not the object, to determine the base name, since |
| 362 |
+ |
# that's sadly what pgcc will do too. |
| 363 |
+ |
base=`echo "$source" | sed -e 's|^.*/||' -e 's/\.[-_a-zA-Z0-9]*$//'` |
| 364 |
+ |
tmpdepfile="$base.d" |
| 365 |
+ |
|
| 366 |
+ |
# For projects that build the same source file twice into different object |
| 367 |
+ |
# files, the pgcc approach of using the *source* file root name can cause |
| 368 |
+ |
# problems in parallel builds. Use a locking strategy to avoid stomping on |
| 369 |
+ |
# the same $tmpdepfile. |
| 370 |
+ |
lockdir="$base.d-lock" |
| 371 |
+ |
trap "echo '$0: caught signal, cleaning up...' >&2; rm -rf $lockdir" 1 2 13 15 |
| 372 |
+ |
numtries=100 |
| 373 |
+ |
i=$numtries |
| 374 |
+ |
while test $i -gt 0 ; do |
| 375 |
+ |
# mkdir is a portable test-and-set. |
| 376 |
+ |
if mkdir $lockdir 2>/dev/null; then |
| 377 |
+ |
# This process acquired the lock. |
| 378 |
+ |
"$@" -MD |
| 379 |
+ |
stat=$? |
| 380 |
+ |
# Release the lock. |
| 381 |
+ |
rm -rf $lockdir |
| 382 |
+ |
break |
| 383 |
+ |
else |
| 384 |
+ |
## the lock is being held by a different process, |
| 385 |
+ |
## wait until the winning process is done or we timeout |
| 386 |
+ |
while test -d $lockdir && test $i -gt 0; do |
| 387 |
+ |
sleep 1 |
| 388 |
+ |
i=`expr $i - 1` |
| 389 |
+ |
done |
| 390 |
+ |
fi |
| 391 |
+ |
i=`expr $i - 1` |
| 392 |
+ |
done |
| 393 |
+ |
trap - 1 2 13 15 |
| 394 |
+ |
if test $i -le 0; then |
| 395 |
+ |
echo "$0: failed to acquire lock after $numtries attempts" >&2 |
| 396 |
+ |
echo "$0: check lockdir '$lockdir'" >&2 |
| 397 |
+ |
exit 1 |
| 398 |
+ |
fi |
| 399 |
+ |
|
| 400 |
+ |
if test $stat -ne 0; then |
| 401 |
+ |
rm -f "$tmpdepfile" |
| 402 |
+ |
exit $stat |
| 403 |
+ |
fi |
| 404 |
+ |
rm -f "$depfile" |
| 405 |
|
# Each line is of the form `foo.o: dependent.h', |
| 406 |
|
# or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'. |
| 407 |
|
# Do two passes, one to just change these to |
| 446 |
|
done |
| 447 |
|
if test -f "$tmpdepfile"; then |
| 448 |
|
sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile" |
| 449 |
< |
# Add `dependent.h:' lines. |
| 449 |
> |
# Add 'dependent.h:' lines. |
| 450 |
|
sed -ne '2,${ |
| 451 |
|
s/^ *// |
| 452 |
|
s/ \\*$// |
| 461 |
|
|
| 462 |
|
tru64) |
| 463 |
|
# The Tru64 compiler uses -MD to generate dependencies as a side |
| 464 |
< |
# effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'. |
| 464 |
> |
# effect. 'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'. |
| 465 |
|
# At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put |
| 466 |
< |
# dependencies in `foo.d' instead, so we check for that too. |
| 466 |
> |
# dependencies in 'foo.d' instead, so we check for that too. |
| 467 |
|
# Subdirectories are respected. |
| 468 |
|
dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` |
| 469 |
|
test "x$dir" = "x$object" && dir= |
| 509 |
|
done |
| 510 |
|
if test -f "$tmpdepfile"; then |
| 511 |
|
sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile" |
| 512 |
< |
# That's a tab and a space in the []. |
| 401 |
< |
sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" |
| 512 |
> |
sed -e 's,^.*\.[a-z]*:['"$tab"' ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile" |
| 513 |
|
else |
| 514 |
|
echo "#dummy" > "$depfile" |
| 515 |
|
fi |
| 516 |
|
rm -f "$tmpdepfile" |
| 517 |
|
;; |
| 518 |
|
|
| 519 |
+ |
msvc7) |
| 520 |
+ |
if test "$libtool" = yes; then |
| 521 |
+ |
showIncludes=-Wc,-showIncludes |
| 522 |
+ |
else |
| 523 |
+ |
showIncludes=-showIncludes |
| 524 |
+ |
fi |
| 525 |
+ |
"$@" $showIncludes > "$tmpdepfile" |
| 526 |
+ |
stat=$? |
| 527 |
+ |
grep -v '^Note: including file: ' "$tmpdepfile" |
| 528 |
+ |
if test "$stat" = 0; then : |
| 529 |
+ |
else |
| 530 |
+ |
rm -f "$tmpdepfile" |
| 531 |
+ |
exit $stat |
| 532 |
+ |
fi |
| 533 |
+ |
rm -f "$depfile" |
| 534 |
+ |
echo "$object : \\" > "$depfile" |
| 535 |
+ |
# The first sed program below extracts the file names and escapes |
| 536 |
+ |
# backslashes for cygpath. The second sed program outputs the file |
| 537 |
+ |
# name when reading, but also accumulates all include files in the |
| 538 |
+ |
# hold buffer in order to output them again at the end. This only |
| 539 |
+ |
# works with sed implementations that can handle large buffers. |
| 540 |
+ |
sed < "$tmpdepfile" -n ' |
| 541 |
+ |
/^Note: including file: *\(.*\)/ { |
| 542 |
+ |
s//\1/ |
| 543 |
+ |
s/\\/\\\\/g |
| 544 |
+ |
p |
| 545 |
+ |
}' | $cygpath_u | sort -u | sed -n ' |
| 546 |
+ |
s/ /\\ /g |
| 547 |
+ |
s/\(.*\)/'"$tab"'\1 \\/p |
| 548 |
+ |
s/.\(.*\) \\/\1:/ |
| 549 |
+ |
H |
| 550 |
+ |
$ { |
| 551 |
+ |
s/.*/'"$tab"'/ |
| 552 |
+ |
G |
| 553 |
+ |
p |
| 554 |
+ |
}' >> "$depfile" |
| 555 |
+ |
rm -f "$tmpdepfile" |
| 556 |
+ |
;; |
| 557 |
+ |
|
| 558 |
+ |
msvc7msys) |
| 559 |
+ |
# This case exists only to let depend.m4 do its work. It works by |
| 560 |
+ |
# looking at the text of this script. This case will never be run, |
| 561 |
+ |
# since it is checked for above. |
| 562 |
+ |
exit 1 |
| 563 |
+ |
;; |
| 564 |
+ |
|
| 565 |
|
#nosideeffect) |
| 566 |
|
# This comment above is used by automake to tell side-effect |
| 567 |
|
# dependency tracking mechanisms from slower ones. |
| 579 |
|
shift |
| 580 |
|
fi |
| 581 |
|
|
| 582 |
< |
# Remove `-o $object'. |
| 582 |
> |
# Remove '-o $object'. |
| 583 |
|
IFS=" " |
| 584 |
|
for arg |
| 585 |
|
do |
| 599 |
|
done |
| 600 |
|
|
| 601 |
|
test -z "$dashmflag" && dashmflag=-M |
| 602 |
< |
# Require at least two characters before searching for `:' |
| 602 |
> |
# Require at least two characters before searching for ':' |
| 603 |
|
# in the target name. This is to cope with DOS-style filenames: |
| 604 |
< |
# a dependency such as `c:/foo/bar' could be seen as target `c' otherwise. |
| 604 |
> |
# a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise. |
| 605 |
|
"$@" $dashmflag | |
| 606 |
< |
sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile" |
| 606 |
> |
sed 's:^['"$tab"' ]*[^:'"$tab"' ][^:][^:]*\:['"$tab"' ]*:'"$object"'\: :' > "$tmpdepfile" |
| 607 |
|
rm -f "$depfile" |
| 608 |
|
cat < "$tmpdepfile" > "$depfile" |
| 609 |
< |
tr ' ' ' |
| 453 |
< |
' < "$tmpdepfile" | \ |
| 609 |
> |
tr ' ' "$nl" < "$tmpdepfile" | \ |
| 610 |
|
## Some versions of the HPUX 10.20 sed can't process this invocation |
| 611 |
|
## correctly. Breaking it into two sed invocations is a workaround. |
| 612 |
|
sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" |
| 659 |
|
touch "$tmpdepfile" |
| 660 |
|
${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@" |
| 661 |
|
rm -f "$depfile" |
| 662 |
< |
cat < "$tmpdepfile" > "$depfile" |
| 663 |
< |
sed '1,2d' "$tmpdepfile" | tr ' ' ' |
| 664 |
< |
' | \ |
| 662 |
> |
# makedepend may prepend the VPATH from the source file name to the object. |
| 663 |
> |
# No need to regex-escape $object, excess matching of '.' is harmless. |
| 664 |
> |
sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile" |
| 665 |
> |
sed '1,2d' "$tmpdepfile" | tr ' ' "$nl" | \ |
| 666 |
|
## Some versions of the HPUX 10.20 sed can't process this invocation |
| 667 |
|
## correctly. Breaking it into two sed invocations is a workaround. |
| 668 |
|
sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile" |
| 682 |
|
shift |
| 683 |
|
fi |
| 684 |
|
|
| 685 |
< |
# Remove `-o $object'. |
| 685 |
> |
# Remove '-o $object'. |
| 686 |
|
IFS=" " |
| 687 |
|
for arg |
| 688 |
|
do |
| 751 |
|
sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile" |
| 752 |
|
rm -f "$depfile" |
| 753 |
|
echo "$object : \\" > "$depfile" |
| 754 |
< |
sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile" |
| 755 |
< |
echo " " >> "$depfile" |
| 754 |
> |
sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile" |
| 755 |
> |
echo "$tab" >> "$depfile" |
| 756 |
|
sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile" |
| 757 |
|
rm -f "$tmpdepfile" |
| 758 |
|
;; |
