mirror of
https://git.code.sf.net/p/libpng/code.git
synced 2025-07-10 18:04:09 +02:00
[libpng15] Rearranged building of ARM NEON optimizations. The ARM specific code
is split out entirely to the arm subdirectory and changes to configure.ac and Makefile.am to add new stuff are reduced. Now material code changes, although for build test purposes, --enable-arm-neon now builds on non-ARM systems. Rebuilt Makefile.in, configure, etc., with autoconf-2.69 and automake-1.2.5.
This commit is contained in:
John Bowler
committed by
Glenn Randers-Pehrson
Glenn Randers-Pehrson
parent
9b66cbcf2f
commit
62cfc893e0
191
depcomp
191
depcomp
@@ -1,10 +1,9 @@
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#! /bin/sh
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# depcomp - compile a program generating dependencies as side-effects
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scriptversion=2011-12-04.11; # UTC
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scriptversion=2012-07-12.20; # UTC
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# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007, 2009, 2010,
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# 2011 Free Software Foundation, Inc.
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# Copyright (C) 1999-2012 Free Software Foundation, Inc.
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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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@@ -28,7 +27,7 @@ scriptversion=2011-12-04.11; # UTC
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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 '$0 --help' for more information." 1>&2
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exit 1;
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;;
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-h | --h*)
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@@ -40,8 +39,8 @@ as side-effects.
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Environment variables:
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depmode Dependency tracking mode.
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source Source file read by `PROGRAMS ARGS'.
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object Object file output by `PROGRAMS ARGS'.
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source Source file read by 'PROGRAMS ARGS'.
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object Object file output by 'PROGRAMS ARGS'.
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DEPDIR directory where to store dependencies.
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depfile Dependency file to output.
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tmpdepfile Temporary file to use when outputting dependencies.
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@@ -57,6 +56,12 @@ EOF
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;;
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esac
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# A tabulation character.
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tab=' '
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# A newline character.
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nl='
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'
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if test -z "$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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@@ -69,6 +74,9 @@ tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
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rm -f "$tmpdepfile"
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# Avoid interferences from the environment.
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gccflag= dashmflag=
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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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@@ -102,6 +110,12 @@ if test "$depmode" = msvc7msys; then
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depmode=msvc7
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fi
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if test "$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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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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@@ -131,13 +145,17 @@ gcc3)
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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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@@ -156,15 +174,14 @@ gcc)
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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. 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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@@ -203,18 +220,15 @@ sgi)
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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 >> "$depfile"
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# The second pass generates a dummy entry for each header file.
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tr ' ' '
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' < "$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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@@ -226,10 +240,17 @@ sgi)
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rm -f "$tmpdepfile"
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;;
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xlc)
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# This case exists only to let depend.m4 do its work. It works by
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# looking at the text of this script. This case will never be run,
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# since it is checked for above.
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exit 1
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;;
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aix)
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# The C for AIX Compiler uses -M and outputs the dependencies
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# in a .u file. In older versions, this file always lives in the
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# current directory. Also, the AIX compiler puts `$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|/[^/]*$|/|'`
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@@ -259,12 +280,11 @@ aix)
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test -f "$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 [].
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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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@@ -275,23 +295,26 @@ aix)
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;;
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icc)
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# 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'.
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# However on
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# $CC -MD -MF foo.d -c -o sub/foo.o sub/foo.c
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# ICC 7.0 will fill foo.d with something like
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# foo.o: sub/foo.c
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# foo.o: sub/foo.h
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# which is wrong. We want:
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# which is wrong. We want
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# sub/foo.o: sub/foo.c
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# sub/foo.o: sub/foo.h
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# sub/foo.c:
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# sub/foo.h:
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# ICC 7.1 will output
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# foo.o: sub/foo.c sub/foo.h
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# and will wrap long lines using \ :
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# and will wrap long lines using '\':
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# foo.o: sub/foo.c ... \
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# sub/foo.h ... \
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# ...
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# tcc 0.9.26 (FIXME still under development at the moment of writing)
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# will emit a similar output, but also prepend the continuation lines
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# with horizontal tabulation characters.
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"$@" -MD -MF "$tmpdepfile"
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stat=$?
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if test $stat -eq 0; then :
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@@ -300,6 +323,85 @@ icc)
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exit $stat
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fi
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rm -f "$depfile"
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# Each line is of the form 'foo.o: dependent.h',
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# or 'foo.o: dep1.h dep2.h \', or ' dep3.h dep4.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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sed -e "s/^[ $tab][ $tab]*/ /" -e "s,^[^:]*:,$object :," \
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< "$tmpdepfile" > "$depfile"
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sed '
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s/[ '"$tab"'][ '"$tab"']*/ /g
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s/^ *//
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s/ *\\*$//
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s/^[^:]*: *//
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/^$/d
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/:$/d
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s/$/ :/
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' < "$tmpdepfile" >> "$depfile"
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rm -f "$tmpdepfile"
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;;
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## The order of this option in the case statement is important, since the
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## shell code in configure will try each of these formats in the order
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## listed in this file. A plain '-MD' option would be understood by many
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## compilers, so we must ensure this comes after the gcc and icc options.
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pgcc)
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# Portland's C compiler understands '-MD'.
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# Will always output deps to 'file.d' where file is the root name of the
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# source file under compilation, even if file resides in a subdirectory.
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# The object file name does not affect the name of the '.d' file.
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# pgcc 10.2 will output
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# foo.o: sub/foo.c sub/foo.h
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# and will wrap long lines using '\' :
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# foo.o: sub/foo.c ... \
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# sub/foo.h ... \
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# ...
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dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
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test "x$dir" = "x$object" && dir=
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# Use the source, not the object, to determine the base name, since
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# that's sadly what pgcc will do too.
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base=`echo "$source" | sed -e 's|^.*/||' -e 's/\.[-_a-zA-Z0-9]*$//'`
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tmpdepfile="$base.d"
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# For projects that build the same source file twice into different object
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# files, the pgcc approach of using the *source* file root name can cause
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# problems in parallel builds. Use a locking strategy to avoid stomping on
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# the same $tmpdepfile.
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lockdir="$base.d-lock"
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trap "echo '$0: caught signal, cleaning up...' >&2; rm -rf $lockdir" 1 2 13 15
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numtries=100
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i=$numtries
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while test $i -gt 0 ; do
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# mkdir is a portable test-and-set.
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if mkdir $lockdir 2>/dev/null; then
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# This process acquired the lock.
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"$@" -MD
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stat=$?
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# Release the lock.
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rm -rf $lockdir
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break
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else
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## the lock is being held by a different process,
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## wait until the winning process is done or we timeout
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while test -d $lockdir && test $i -gt 0; do
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sleep 1
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i=`expr $i - 1`
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done
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fi
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i=`expr $i - 1`
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done
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trap - 1 2 13 15
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if test $i -le 0; then
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echo "$0: failed to acquire lock after $numtries attempts" >&2
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echo "$0: check lockdir '$lockdir'" >&2
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exit 1
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fi
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if test $stat -ne 0; then
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rm -f "$tmpdepfile"
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exit $stat
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fi
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rm -f "$depfile"
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# Each line is of the form `foo.o: dependent.h',
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# or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
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# Do two passes, one to just change these to
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@@ -344,7 +446,7 @@ hp2)
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done
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if test -f "$tmpdepfile"; then
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sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile"
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# Add `dependent.h:' lines.
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# Add 'dependent.h:' lines.
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sed -ne '2,${
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s/^ *//
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s/ \\*$//
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@@ -359,9 +461,9 @@ hp2)
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tru64)
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# The Tru64 compiler uses -MD to generate dependencies as a side
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# effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
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# effect. 'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
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# At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
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# dependencies in `foo.d' instead, so we check for that too.
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# dependencies in 'foo.d' instead, so we check for that too.
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# Subdirectories are respected.
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dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
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test "x$dir" = "x$object" && dir=
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@@ -407,8 +509,7 @@ tru64)
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done
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if test -f "$tmpdepfile"; then
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sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
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# That's a tab and a space in the [].
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sed -e 's,^.*\.[a-z]*:[ ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
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sed -e 's,^.*\.[a-z]*:['"$tab"' ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
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else
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echo "#dummy" > "$depfile"
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fi
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@@ -443,11 +544,11 @@ msvc7)
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p
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}' | $cygpath_u | sort -u | sed -n '
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s/ /\\ /g
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s/\(.*\)/ \1 \\/p
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s/\(.*\)/'"$tab"'\1 \\/p
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s/.\(.*\) \\/\1:/
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H
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$ {
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s/.*/ /
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s/.*/'"$tab"'/
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G
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p
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}' >> "$depfile"
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@@ -478,7 +579,7 @@ dashmstdout)
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shift
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fi
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# Remove `-o $object'.
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# Remove '-o $object'.
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IFS=" "
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for arg
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do
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@@ -498,15 +599,14 @@ dashmstdout)
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done
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test -z "$dashmflag" && dashmflag=-M
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# Require at least two characters before searching for `:'
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# Require at least two characters before searching for ':'
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# in the target name. This is to cope with DOS-style filenames:
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# a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
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# a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.
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"$@" $dashmflag |
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sed 's:^[ ]*[^: ][^:][^:]*\:[ ]*:'"$object"'\: :' > "$tmpdepfile"
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sed 's:^['"$tab"' ]*[^:'"$tab"' ][^:][^:]*\:['"$tab"' ]*:'"$object"'\: :' > "$tmpdepfile"
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rm -f "$depfile"
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cat < "$tmpdepfile" > "$depfile"
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tr ' ' '
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' < "$tmpdepfile" | \
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tr ' ' "$nl" < "$tmpdepfile" | \
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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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@@ -562,8 +662,7 @@ makedepend)
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# makedepend may prepend the VPATH from the source file name to the object.
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# No need to regex-escape $object, excess matching of '.' is harmless.
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sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile"
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sed '1,2d' "$tmpdepfile" | tr ' ' '
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' | \
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sed '1,2d' "$tmpdepfile" | tr ' ' "$nl" | \
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## Some versions of the HPUX 10.20 sed can't process this invocation
|
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## correctly. Breaking it into two sed invocations is a workaround.
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sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
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@@ -583,7 +682,7 @@ cpp)
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shift
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fi
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# Remove `-o $object'.
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# Remove '-o $object'.
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IFS=" "
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for arg
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do
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@@ -652,8 +751,8 @@ msvisualcpp)
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sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
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rm -f "$depfile"
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echo "$object : \\" > "$depfile"
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sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s:: \1 \\:p' >> "$depfile"
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echo " " >> "$depfile"
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sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile"
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echo "$tab" >> "$depfile"
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sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
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rm -f "$tmpdepfile"
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;;
|
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|
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Block a user