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Comparing ircd-hybrid-8/depcomp (file contents):
Revision 1257 by michael, Sun Jan 15 06:28:46 2012 UTC vs.
Revision 1375 by michael, Fri Apr 27 08:01:46 2012 UTC

#	Line 1 | Line 1
1		#! /bin/sh
2		# depcomp - compile a program generating dependencies as side-effects
3
4	<	scriptversion=2011-12-04.11; # UTC
4	>	scriptversion=2012-03-27.16; # UTC
5
6	<	# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006, 2007, 2009, 2010,
7	<	# 2011 Free Software Foundation, Inc.
6	>	# Copyright (C) 1999-2012 Free Software Foundation, Inc.
7
8		# This program is free software; you can redistribute it and/or modify
9		# it under the terms of the GNU General Public License as published by
#	Line 28 | Line 27 | scriptversion=2011-12-04.11; # UTC
27
28		case $1 in
29		'')
30	<	echo "$0: No command.  Try \`$0 --help' for more information." 1>&2
30	>	echo "$0: No command.  Try '$0 --help' for more information." 1>&2
31		exit 1;
32		;;
33		-h | --h*)
#	Line 40 | Line 39 | as side-effects.
39
40		Environment variables:
41		depmode     Dependency tracking mode.
42	<	source      Source file read by `PROGRAMS ARGS'.
43	<	object      Object file output by `PROGRAMS ARGS'.
42	>	source      Source file read by 'PROGRAMS ARGS'.
43	>	object      Object file output by 'PROGRAMS ARGS'.
44		DEPDIR      directory where to store dependencies.
45		depfile     Dependency file to output.
46		tmpdepfile  Temporary file to use when outputting dependencies.
#	Line 57 | Line 56 | EOF
56		;;
57		esac
58
59	+	# A tabulation character.
60	+	tab='   '
61	+	# A newline character.
62	+	nl='
63	+	'
64	+
65		if test -z "$depmode" || test -z "$source" || test -z "$object"; then
66		echo "depcomp: Variables source, object and depmode must be set" 1>&2
67		exit 1
#	Line 102 | Line 107 | if test "$depmode" = msvc7msys; then
107		depmode=msvc7
108		fi
109
110	+	if test "$depmode" = xlc; then
111	+	# IBM C/C++ Compilers xlc/xlC can output gcc-like dependency informations.
112	+	gccflag=-qmakedep=gcc,-MF
113	+	depmode=gcc
114	+	fi
115	+
116		case "$depmode" in
117		gcc3)
118		## gcc 3 implements dependency tracking that does exactly what
#	Line 156 | Line 167 | gcc)
167		## The second -e expression handles DOS-style file names with drive letters.
168		sed -e 's/^[^:]*: / /' \
169		-e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
170	<	## This next piece of magic avoids the `deleted header file' problem.
170	>	## This next piece of magic avoids the "deleted header file" problem.
171		## The problem is that when a header file which appears in a .P file
172		## is deleted, the dependency causes make to die (because there is
173		## typically no way to rebuild the header).  We avoid this by adding
174		## dummy dependencies for each header file.  Too bad gcc doesn't do
175		## this for us directly.
176	<	tr ' ' '
177	<	' < "$tmpdepfile" |
167	<	## Some versions of gcc put a space before the `:'.  On the theory
176	>	tr ' ' "$nl" < "$tmpdepfile" |
177	>	## Some versions of gcc put a space before the ':'.  On the theory
178		## that the space means something, we add a space to the output as
179		## well.  hp depmode also adds that space, but also prefixes the VPATH
180		## to the object.  Take care to not repeat it in the output.
#	Line 203 | Line 213 | sgi)
213		# clever and replace this with sed code, as IRIX sed won't handle
214		# lines with more than a fixed number of characters (4096 in
215		# IRIX 6.2 sed, 8192 in IRIX 6.5).  We also remove comment lines;
216	<	# the IRIX cc adds comments like `#:fec' to the end of the
216	>	# the IRIX cc adds comments like '#:fec' to the end of the
217		# dependency line.
218	<	tr ' ' '
209	<	' < "$tmpdepfile" \
218	>	tr ' ' "$nl" < "$tmpdepfile" \
219		| sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
220	<	tr '
212	<	' ' ' >> "$depfile"
220	>	tr "$nl" ' ' >> "$depfile"
221		echo >> "$depfile"
222
223		# The second pass generates a dummy entry for each header file.
224	<	tr ' ' '
217	<	' < "$tmpdepfile" \
224	>	tr ' ' "$nl" < "$tmpdepfile" \
225		| sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
226		>> "$depfile"
227		else
#	Line 226 | Line 233 | sgi)
233		rm -f "$tmpdepfile"
234		;;
235
236	+	xlc)
237	+	# This case exists only to let depend.m4 do its work.  It works by
238	+	# looking at the text of this script.  This case will never be run,
239	+	# since it is checked for above.
240	+	exit 1
241	+	;;
242	+
243		aix)
244		# The C for AIX Compiler uses -M and outputs the dependencies
245		# in a .u file.  In older versions, this file always lives in the
246	<	# current directory.  Also, the AIX compiler puts `$object:' at the
246	>	# current directory.  Also, the AIX compiler puts '$object:' at the
247		# start of each line; $object doesn't have directory information.
248		# Version 6 uses the directory in both cases.
249		dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
#	Line 259 | Line 273 | aix)
273		test -f "$tmpdepfile" && break
274		done
275		if test -f "$tmpdepfile"; then
276	<	# Each line is of the form `foo.o: dependent.h'.
276	>	# Each line is of the form 'foo.o: dependent.h'.
277		# Do two passes, one to just change these to
278	<	# `$object: dependent.h' and one to simply `dependent.h:'.
278	>	# '$object: dependent.h' and one to simply 'dependent.h:'.
279		sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
280	<	# That's a tab and a space in the [].
267	<	sed -e 's,^.*\.[a-z]*:[      ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
280	>	sed -e 's,^.*\.[a-z]*:['"$tab"' ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
281		else
282		# The sourcefile does not contain any dependencies, so just
283		# store a dummy comment line, to avoid errors with the Makefile
#	Line 275 | Line 288 | aix)
288		;;
289
290		icc)
291	<	# Intel's C compiler understands `-MD -MF file'.  However on
292	<	#    icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
291	>	# Intel's C compiler anf tcc (Tiny C Compiler) understand '-MD -MF file'.
292	>	# However on
293	>	#    $CC -MD -MF foo.d -c -o sub/foo.o sub/foo.c
294		# ICC 7.0 will fill foo.d with something like
295		#    foo.o: sub/foo.c
296		#    foo.o: sub/foo.h
297	<	# which is wrong.  We want:
297	>	# which is wrong.  We want
298		#    sub/foo.o: sub/foo.c
299		#    sub/foo.o: sub/foo.h
300		#    sub/foo.c:
301		#    sub/foo.h:
302		# ICC 7.1 will output
303		#    foo.o: sub/foo.c sub/foo.h
304	<	# and will wrap long lines using \ :
304	>	# and will wrap long lines using '\':
305		#    foo.o: sub/foo.c ... \
306		#     sub/foo.h ... \
307		#     ...
308	<
308	>	# tcc 0.9.26 (FIXME still under development at the moment of writing)
309	>	# will emit a similar output, but also prepend the continuation lines
310	>	# with horizontal tabulation characters.
311		"$@" -MD -MF "$tmpdepfile"
312		stat=$?
313		if test $stat -eq 0; then :
#	Line 300 | Line 316 | icc)
316		exit $stat
317		fi
318		rm -f "$depfile"
319	<	# Each line is of the form `foo.o: dependent.h',
320	<	# or `foo.o: dep1.h dep2.h \', or ` dep3.h dep4.h \'.
319	>	# Each line is of the form 'foo.o: dependent.h',
320	>	# or 'foo.o: dep1.h dep2.h \', or ' dep3.h dep4.h \'.
321		# Do two passes, one to just change these to
322	<	# `$object: dependent.h' and one to simply `dependent.h:'.
323	<	sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
324	<	# Some versions of the HPUX 10.20 sed can't process this invocation
325	<	# correctly.  Breaking it into two sed invocations is a workaround.
326	<	sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" |
327	<	sed -e 's/$/ :/' >> "$depfile"
322	>	# '$object: dependent.h' and one to simply 'dependent.h:'.
323	>	sed -e "s/^[ $tab][ $tab]*/  /" -e "s,^[^:]*:,$object :," \
324	>	< "$tmpdepfile" > "$depfile"
325	>	sed '
326	>	s/[ '"$tab"'][ '"$tab"']*/ /g
327	>	s/^ *//
328	>	s/ *\\*$//
329	>	s/^[^:]*: *//
330	>	/^$/d
331	>	/:$/d
332	>	s/$/ :/
333	>	' < "$tmpdepfile" >> "$depfile"
334		rm -f "$tmpdepfile"
335		;;
336
#	Line 344 | Line 366 | hp2)
366		done
367		if test -f "$tmpdepfile"; then
368		sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile"
369	<	# Add `dependent.h:' lines.
369	>	# Add 'dependent.h:' lines.
370		sed -ne '2,${
371		s/^ *//
372		s/ \\*$//
#	Line 359 | Line 381 | hp2)
381
382		tru64)
383		# The Tru64 compiler uses -MD to generate dependencies as a side
384	<	# effect.  `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
384	>	# effect.  'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
385		# At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
386	<	# dependencies in `foo.d' instead, so we check for that too.
386	>	# dependencies in 'foo.d' instead, so we check for that too.
387		# Subdirectories are respected.
388		dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
389		test "x$dir" = "x$object" && dir=
#	Line 407 | Line 429 | tru64)
429		done
430		if test -f "$tmpdepfile"; then
431		sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
432	<	# That's a tab and a space in the [].
411	<	sed -e 's,^.*\.[a-z]*:[    ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
432	>	sed -e 's,^.*\.[a-z]*:['"$tab"' ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
433		else
434		echo "#dummy" > "$depfile"
435		fi
#	Line 443 | Line 464 | msvc7)
464		p
465		}' | $cygpath_u | sort -u | sed -n '
466		s/ /\\ /g
467	<	s/\(.*\)/       \1 \\/p
467	>	s/\(.*\)/'"$tab"'\1 \\/p
468		s/.\(.*\) \\/\1:/
469		H
470		$ {
471	<	s/.*/ /
471	>	s/.*/'"$tab"'/
472		G
473		p
474		}' >> "$depfile"
#	Line 478 | Line 499 | dashmstdout)
499		shift
500		fi
501
502	<	# Remove `-o $object'.
502	>	# Remove '-o $object'.
503		IFS=" "
504		for arg
505		do
#	Line 498 | Line 519 | dashmstdout)
519		done
520
521		test -z "$dashmflag" && dashmflag=-M
522	<	# Require at least two characters before searching for `:'
522	>	# Require at least two characters before searching for ':'
523		# in the target name.  This is to cope with DOS-style filenames:
524	<	# a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
524	>	# a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.
525		"$@" $dashmflag |
526	<	sed 's:^[  ]*[^: ][^:][^:]*\:[    ]*:'"$object"'\: :' > "$tmpdepfile"
526	>	sed 's:^['"$tab"' ]*[^:'"$tab"' ][^:][^:]*\:['"$tab"' ]*:'"$object"'\: :' > "$tmpdepfile"
527		rm -f "$depfile"
528		cat < "$tmpdepfile" > "$depfile"
529	<	tr ' ' '
509	<	' < "$tmpdepfile" | \
529	>	tr ' ' "$nl" < "$tmpdepfile" | \
530		## Some versions of the HPUX 10.20 sed can't process this invocation
531		## correctly.  Breaking it into two sed invocations is a workaround.
532		sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
#	Line 562 | Line 582 | makedepend)
582		# makedepend may prepend the VPATH from the source file name to the object.
583		# No need to regex-escape $object, excess matching of '.' is harmless.
584		sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile"
585	<	sed '1,2d' "$tmpdepfile" | tr ' ' '
566	<	' | \
585	>	sed '1,2d' "$tmpdepfile" | tr ' ' "$nl" | \
586		## Some versions of the HPUX 10.20 sed can't process this invocation
587		## correctly.  Breaking it into two sed invocations is a workaround.
588		sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
#	Line 583 | Line 602 | cpp)
602		shift
603		fi
604
605	<	# Remove `-o $object'.
605	>	# Remove '-o $object'.
606		IFS=" "
607		for arg
608		do
#	Line 652 | Line 671 | msvisualcpp)
671		sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
672		rm -f "$depfile"
673		echo "$object : \\" > "$depfile"
674	<	sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::      \1 \\:p' >> "$depfile"
675	<	echo "        " >> "$depfile"
674	>	sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile"
675	>	echo "$tab" >> "$depfile"
676		sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
677		rm -f "$tmpdepfile"
678		;;

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