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authorOndřej Surý <ondrej@sury.org>2013-06-28 12:59:40 +0200
committerOndřej Surý <ondrej@sury.org>2013-06-28 12:59:40 +0200
commit124965832295a277b9ca6ae9fac4f45a74a36b2a (patch)
treef299e2335863f74e0be0707f84b85211baaf2d03 /depcomp
parent3d2d198c71a6b844b60fa9ef68801b66bba93361 (diff)
downloadknot-124965832295a277b9ca6ae9fac4f45a74a36b2a.tar.gz
New upstream version 1.3.0~rc3upstream/1.3.0_rc3
Diffstat (limited to 'depcomp')
-rwxr-xr-xdepcomp89
1 files changed, 5 insertions, 84 deletions
diff --git a/depcomp b/depcomp
index e1f51f4..25a39e6 100755
--- a/depcomp
+++ b/depcomp
@@ -1,9 +1,10 @@
#! /bin/sh
# depcomp - compile a program generating dependencies as side-effects
-scriptversion=2012-07-12.20; # UTC
+scriptversion=2012-03-27.16; # UTC
-# Copyright (C) 1999-2012 Free Software Foundation, Inc.
+# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007, 2009, 2010,
+# 2011, 2012 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
@@ -74,9 +75,6 @@ tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
rm -f "$tmpdepfile"
-# Avoid interferences from the environment.
-gccflag= dashmflag=
-
# 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
@@ -111,7 +109,7 @@ if test "$depmode" = msvc7msys; then
fi
if test "$depmode" = xlc; then
- # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information.
+ # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency informations.
gccflag=-qmakedep=gcc,-MF
depmode=gcc
fi
@@ -145,17 +143,13 @@ gcc3)
;;
gcc)
-## Note that this doesn't just cater to obsosete pre-3.x GCC compilers.
-## but also to in-use compilers like IMB xlc/xlC and the HP C compiler.
-## (see the conditional assignment to $gccflag above).
## There are various ways to get dependency output from gcc. Here's
## why we pick this rather obscure method:
## - Don't want to use -MD because we'd like the dependencies to end
## up in a subdir. Having to rename by hand is ugly.
## (We might end up doing this anyway to support other compilers.)
## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
-## -MM, not -M (despite what the docs say). Also, it might not be
-## supported by the other compilers which use the 'gcc' depmode.
+## -MM, not -M (despite what the docs say).
## - Using -M directly means running the compiler twice (even worse
## than renaming).
if test -z "$gccflag"; then
@@ -341,79 +335,6 @@ icc)
rm -f "$tmpdepfile"
;;
-## The order of this option in the case statement is important, since the
-## shell code in configure will try each of these formats in the order
-## listed in this file. A plain '-MD' option would be understood by many
-## compilers, so we must ensure this comes after the gcc and icc options.
-pgcc)
- # Portland's C compiler understands '-MD'.
- # Will always output deps to 'file.d' where file is the root name of the
- # source file under compilation, even if file resides in a subdirectory.
- # The object file name does not affect the name of the '.d' file.
- # pgcc 10.2 will output
- # foo.o: sub/foo.c sub/foo.h
- # and will wrap long lines using '\' :
- # foo.o: sub/foo.c ... \
- # sub/foo.h ... \
- # ...
- dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
- test "x$dir" = "x$object" && dir=
- # Use the source, not the object, to determine the base name, since
- # that's sadly what pgcc will do too.
- base=`echo "$source" | sed -e 's|^.*/||' -e 's/\.[-_a-zA-Z0-9]*$//'`
- tmpdepfile="$base.d"
-
- # For projects that build the same source file twice into different object
- # files, the pgcc approach of using the *source* file root name can cause
- # problems in parallel builds. Use a locking strategy to avoid stomping on
- # the same $tmpdepfile.
- lockdir="$base.d-lock"
- trap "echo '$0: caught signal, cleaning up...' >&2; rm -rf $lockdir" 1 2 13 15
- numtries=100
- i=$numtries
- while test $i -gt 0 ; do
- # mkdir is a portable test-and-set.
- if mkdir $lockdir 2>/dev/null; then
- # This process acquired the lock.
- "$@" -MD
- stat=$?
- # Release the lock.
- rm -rf $lockdir
- break
- else
- ## the lock is being held by a different process,
- ## wait until the winning process is done or we timeout
- while test -d $lockdir && test $i -gt 0; do
- sleep 1
- i=`expr $i - 1`
- done
- fi
- i=`expr $i - 1`
- done
- trap - 1 2 13 15
- if test $i -le 0; then
- echo "$0: failed to acquire lock after $numtries attempts" >&2
- echo "$0: check lockdir '$lockdir'" >&2
- exit 1
- fi
-
- if test $stat -ne 0; then
- rm -f "$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"
- ;;
-
hp2)
# The "hp" stanza above does not work with aCC (C++) and HP's ia64
# compilers, which have integrated preprocessors. The correct option