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@ -1,10 +1,10 @@ |
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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=2012-03-27.16; # 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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# 2011, 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 +28,7 @@ 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 '$0 --help' for more information." 1>&2 |
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exit 1; |
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;; |
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-h | --h*) |
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@ -40,8 +40,8 @@ as side-effects. |
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Environment variables: |
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depmode Dependency tracking mode. |
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source Source file read by `PROGRAMS ARGS'. |
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object Object file output by `PROGRAMS ARGS'. |
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source Source file read by 'PROGRAMS ARGS'. |
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object Object file output by 'PROGRAMS ARGS'. |
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DEPDIR directory where to store dependencies. |
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depfile Dependency file to output. |
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tmpdepfile Temporary file to use when outputting dependencies. |
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@ -57,6 +57,12 @@ EOF |
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;; |
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esac |
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# A tabulation character. |
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tab=' ' |
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# A newline character. |
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nl=' |
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' |
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if test -z "$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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@ -102,6 +108,12 @@ 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 informations. |
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gccflag=-qmakedep=gcc,-MF |
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depmode=gcc |
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fi |
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case "$depmode" in |
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gcc3) |
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## gcc 3 implements dependency tracking that does exactly what |
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@ -156,15 +168,14 @@ gcc) |
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## The second -e expression handles DOS-style file names with drive letters. |
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sed -e 's/^[^:]*: / /' \ |
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-e 's/^['$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" < "$tmpdepfile" | |
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## Some versions of gcc put a space before the ':'. On the theory |
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## that the space means something, we add a space to the output as |
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## well. hp depmode also adds that space, but also prefixes the VPATH |
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## to the object. Take care to not repeat it in the output. |
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@ -203,18 +214,15 @@ sgi) |
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# clever and replace this with sed code, as IRIX sed won't handle |
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# lines with more than a fixed number of characters (4096 in |
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# IRIX 6.2 sed, 8192 in IRIX 6.5). We also remove comment lines; |
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# the IRIX cc adds comments like `#:fec' to the end of the |
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# the IRIX cc adds comments like '#:fec' to the end of the |
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# dependency line. |
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tr ' ' ' |
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' < "$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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>> "$depfile" |
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else |
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@ -226,10 +234,17 @@ sgi) |
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rm -f "$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|/[^/]*$|/|'` |
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@ -259,12 +274,11 @@ aix) |
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test -f "$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 +289,26 @@ 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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@ -300,15 +317,21 @@ 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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# 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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# `$object: dependent.h' and one to simply `dependent.h:'. |
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sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile" |
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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 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" | |
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sed -e 's/$/ :/' >> "$depfile" |
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# '$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 "$tmpdepfile" |
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;; |
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@ -344,7 +367,7 @@ hp2) |
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done |
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if test -f "$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/ \\*$// |
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@ -359,9 +382,9 @@ hp2) |
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tru64) |
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# The Tru64 compiler uses -MD to generate dependencies as a side |
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# effect. `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'. |
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# effect. 'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'. |
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# At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put |
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# dependencies in `foo.d' instead, so we check for that too. |
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# dependencies in 'foo.d' instead, so we check for that too. |
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# Subdirectories are respected. |
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dir=`echo "$object" | sed -e 's|/[^/]*$|/|'` |
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test "x$dir" = "x$object" && dir= |
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@ -407,8 +430,7 @@ tru64) |
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done |
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if test -f "$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 +465,11 @@ 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 +500,7 @@ dashmstdout) |
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shift |
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fi |
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# Remove `-o $object'. |
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# Remove '-o $object'. |
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IFS=" " |
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for arg |
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do |
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@ -498,15 +520,14 @@ dashmstdout) |
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done |
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test -z "$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 +583,7 @@ 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 +603,7 @@ 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 +672,8 @@ 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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Max Lv
10 years ago