kc3-lang/automake/lib/am/depend2.am

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• Author : Ralf Wildenhues
  Date : 2010-01-24 12:36:47
  Hash : c150e6c8
  Message : Fix silent-rules output for disabled dependency tracking. * lib/am/depend2.am [!%FASTDEP%]: Rework silent-rules variable expansion code to also work in the case where %AMDEP% expands to FALSE at config.status time, using new substitution string %VERBOSE-NODEP%. * automake.in (verbose_nodep_flag): New function, appending `@am__nodep@' to the verbose-variable name. (handle_languages): If dependencies are not disabled, use it to set %VERBOSE-NODEP%. * m4/depend.m4: Substitute am__nodep as '_no', so the second verbose-variable will always expand to an empty string, if dependencies are enabled. * tests/silent5.test: Also test --disable-dependency-tracking; also test per-target flags for non-C language files. * tests/silent9.test: New test, like silent4.test but disable dependency tracking. * tests/Makefile.am: Adjust. * NEWS, THANKS: Update. Report by Dmitry V. Levin <ldv@altlinux.org>. Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>

• lib/am/depend2.am

• ## automake - create Makefile.in from Makefile.am
  ## Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
  ## 2003, 2004, 2006, 2008, 2009, 2010  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
  ## the Free Software Foundation; either version 2, or (at your option)
  ## any later version.
  
  ## This program is distributed in the hope that it will be useful,
  ## but WITHOUT ANY WARRANTY; without even the implied warranty of
  ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  ## GNU General Public License for more details.
  
  ## You should have received a copy of the GNU General Public License
  ## along with this program.  If not, see <http://www.gnu.org/licenses/>.
  
  ## This file is read several times:
  ## - once per *extension* (not per language) for generic compilation rules
  ## - once for each file which requires specific flags.
  
  ## Note it is on purpose we wrote `if %AMDEP%', since:
  ##
  ## - if deps are turned off, %AMDEP% is mapped onto FALSE, and therefore
  ##   the `if FALSE' chunk is removed (automake-time conditionals).
  ##
  ## - if deps are on, %AMDEP% is mapped onto AMDEP,  and therefore
  ##   the `if AMDEP' chunk is prefix with @AMDEP_TRUE@ just like for any
  ##   other configure-time conditional.
  ##
  ## We do likewise for %FASTDEP%; this expands to an ordinary
  ## configure-time conditional.  %FASTDEP% is used to speed up the
  ## common case of building a package with gcc 3.x.  In this case we
  ## can skip the use of depcomp and easily inline the dependency
  ## tracking.
  
  ## Verbosity of FASTDEP rules
  ## --------------------------
  ## (1) Some people want to see what happens during make.  They think
  ##     @-commands are evil because hiding things hinders debugging.
  ## (2) Other people want to see only the important commands--those that
  ##     may produce diagnostics, such as compiler invocations.  They
  ##     do not care about build details such as dependency generation
  ##     (the if/then/else machinery in FASTDEP rules).  Their point is
  ##     that it is hard to spot diagnostics in a verbose output.
  ## (3) Other people want `make -s' to work as expected: silently.
  ##     This way they can spot any diagnostic really easily.
  ##
  ## The second point suggests we hide rules with @ and that we `echo'
  ## only the relevant parts.  However this goes against the two others.
  ## There are regular complaints about this on the mailing list, but
  ## it's hard to please everybody.  On April 2003, William Fulton (from
  ## clan (3)) and Karl Berry (from clan (2)) agreed that folding the
  ## compile rules so that they are output on a single line (instead of 5)
  ## would be a good compromise.  Actually we use two lines rather than one,
  ## because this way %SOURCE% is always located at the end of the first
  ## line and is therefore easier to spot.  (We need an extra line when
  ## depbase is used.)
  
  if %?NONLIBTOOL%
  ?GENERIC?%EXT%.o:
  ?!GENERIC?%OBJ%: %SOURCE%
  if %FASTDEP%
  ## In fast-dep mode, we can always use -o.
  ## For non-suffix rules, we must emulate a VPATH search on %SOURCE%.
  ?!GENERIC?	%VERBOSE%%COMPILE% -MT %OBJ% -MD -MP -MF %DEPBASE%.Tpo %-c% -o %OBJ% %SOURCEFLAG%`test -f '%SOURCE%' || echo '$(srcdir)/'`%SOURCE%
  ?!GENERIC?	%SILENT%$(am__mv) %DEPBASE%.Tpo %DEPBASE%.Po
  ?GENERIC??!SUBDIROBJ?	%VERBOSE%%COMPILE% -MT %OBJ% -MD -MP -MF %DEPBASE%.Tpo %-c% -o %OBJ% %SOURCEFLAG%%SOURCE%
  ?GENERIC??!SUBDIROBJ?	%SILENT%$(am__mv) %DEPBASE%.Tpo %DEPBASE%.Po
  ?GENERIC??SUBDIROBJ?	%VERBOSE%depbase=`echo %OBJ% | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.o$$||'`;\
  ?GENERIC??SUBDIROBJ?	%COMPILE% -MT %OBJ% -MD -MP -MF %DEPBASE%.Tpo %-c% -o %OBJ% %SOURCEFLAG%%SOURCE% &&\
  ?GENERIC??SUBDIROBJ?	$(am__mv) %DEPBASE%.Tpo %DEPBASE%.Po
  else !%FASTDEP%
  if %AMDEP%
  	%VERBOSE%source='%SOURCE%' object='%OBJ%' libtool=no @AMDEPBACKSLASH@
  	DEPDIR=$(DEPDIR) $(%FPFX%DEPMODE) $(depcomp) @AMDEPBACKSLASH@
  endif %AMDEP%
  if %?GENERIC%
  ?-o?	%VERBOSE-NODEP%%COMPILE% %-c% %-o% %OBJ% %SOURCEFLAG%%SOURCE%
  ?!-o?	%VERBOSE-NODEP%%COMPILE% %-c% %SOURCEFLAG%%SOURCE%
  else !%?GENERIC%
  ## For non-suffix rules, we must emulate a VPATH search on %SOURCE%.
  ?-o?	%VERBOSE-NODEP%%COMPILE% %-c% %-o% %OBJ% %SOURCEFLAG%`test -f '%SOURCE%' || echo '$(srcdir)/'`%SOURCE%
  ?!-o?	%VERBOSE-NODEP%%COMPILE% %-c% %SOURCEFLAG%`test -f '%SOURCE%' || echo '$(srcdir)/'`%SOURCE%
  endif !%?GENERIC%
  endif !%FASTDEP%
  
  ?GENERIC?%EXT%.obj:
  ?!GENERIC?%OBJOBJ%: %SOURCE%
  if %FASTDEP%
  ## In fast-dep mode, we can always use -o.
  ## For non-suffix rules, we must emulate a VPATH search on %SOURCE%.
  ?!GENERIC?	%VERBOSE%%COMPILE% -MT %OBJOBJ% -MD -MP -MF %DEPBASE%.Tpo %-c% -o %OBJOBJ% %SOURCEFLAG%`if test -f '%SOURCE%'; then $(CYGPATH_W) '%SOURCE%'; else $(CYGPATH_W) '$(srcdir)/%SOURCE%'; fi`
  ?!GENERIC?	%SILENT%$(am__mv) %DEPBASE%.Tpo %DEPBASE%.Po
  ?GENERIC??!SUBDIROBJ?	%VERBOSE%%COMPILE% -MT %OBJOBJ% -MD -MP -MF %DEPBASE%.Tpo %-c% -o %OBJOBJ% %SOURCEFLAG%`$(CYGPATH_W) '%SOURCE%'`
  ?GENERIC??!SUBDIROBJ?	%SILENT%$(am__mv) %DEPBASE%.Tpo %DEPBASE%.Po
  ?GENERIC??SUBDIROBJ?	%VERBOSE%depbase=`echo %OBJ% | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.obj$$||'`;\
  ?GENERIC??SUBDIROBJ?	%COMPILE% -MT %OBJOBJ% -MD -MP -MF %DEPBASE%.Tpo %-c% -o %OBJOBJ% %SOURCEFLAG%`$(CYGPATH_W) '%SOURCE%'` &&\
  ?GENERIC??SUBDIROBJ?	$(am__mv) %DEPBASE%.Tpo %DEPBASE%.Po
  else !%FASTDEP%
  if %AMDEP%
  	%VERBOSE%source='%SOURCE%' object='%OBJOBJ%' libtool=no @AMDEPBACKSLASH@
  	DEPDIR=$(DEPDIR) $(%FPFX%DEPMODE) $(depcomp) @AMDEPBACKSLASH@
  endif %AMDEP%
  if %?GENERIC%
  ?-o?	%VERBOSE-NODEP%%COMPILE% %-c% %-o% %OBJOBJ% %SOURCEFLAG%`$(CYGPATH_W) '%SOURCE%'`
  ?!-o?	%VERBOSE-NODEP%%COMPILE% %-c% `$(CYGPATH_W) %SOURCEFLAG%'%SOURCE%'`
  else !%?GENERIC%
  ## For non-suffix rules, we must emulate a VPATH search on %SOURCE%.
  ?-o?	%VERBOSE-NODEP%%COMPILE% %-c% %-o% %OBJOBJ% %SOURCEFLAG%`if test -f '%SOURCE%'; then $(CYGPATH_W) '%SOURCE%'; else $(CYGPATH_W) '$(srcdir)/%SOURCE%'; fi`
  ?!-o?	%VERBOSE-NODEP%%COMPILE% %-c% %SOURCEFLAG%`if test -f '%SOURCE%'; then $(CYGPATH_W) '%SOURCE%'; else $(CYGPATH_W) '$(srcdir)/%SOURCE%'; fi`
  endif !%?GENERIC%
  endif !%FASTDEP%
  endif %?NONLIBTOOL%
  
  if %?LIBTOOL%
  ?GENERIC?%EXT%.lo:
  ?!GENERIC?%LTOBJ%: %SOURCE%
  if %FASTDEP%
  ## In fast-dep mode, we can always use -o.
  ## For non-suffix rules, we must emulate a VPATH search on %SOURCE%.
  ?!GENERIC?	%VERBOSE%%LTCOMPILE% -MT %LTOBJ% -MD -MP -MF %DEPBASE%.Tpo %-c% -o %LTOBJ% %SOURCEFLAG%`test -f '%SOURCE%' || echo '$(srcdir)/'`%SOURCE%
  ?!GENERIC?	%SILENT%$(am__mv) %DEPBASE%.Tpo %DEPBASE%.Plo
  ?GENERIC??!SUBDIROBJ?	%VERBOSE%%LTCOMPILE% -MT %LTOBJ% -MD -MP -MF %DEPBASE%.Tpo %-c% -o %LTOBJ% %SOURCEFLAG%%SOURCE%
  ?GENERIC??!SUBDIROBJ?	%SILENT%$(am__mv) %DEPBASE%.Tpo %DEPBASE%.Plo
  ?GENERIC??SUBDIROBJ?	%VERBOSE%depbase=`echo %OBJ% | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.lo$$||'`;\
  ?GENERIC??SUBDIROBJ?	%LTCOMPILE% -MT %LTOBJ% -MD -MP -MF %DEPBASE%.Tpo %-c% -o %LTOBJ% %SOURCEFLAG%%SOURCE% &&\
  ?GENERIC??SUBDIROBJ?	$(am__mv) %DEPBASE%.Tpo %DEPBASE%.Plo
  else !%FASTDEP%
  if %AMDEP%
  	%VERBOSE%source='%SOURCE%' object='%LTOBJ%' libtool=yes @AMDEPBACKSLASH@
  	DEPDIR=$(DEPDIR) $(%FPFX%DEPMODE) $(depcomp) @AMDEPBACKSLASH@
  endif %AMDEP%
  ## We can always use `-o' with Libtool.
  ?GENERIC?	%VERBOSE-NODEP%%LTCOMPILE% %-c% -o %LTOBJ% %SOURCEFLAG%%SOURCE%
  ## For non-suffix rules, we must emulate a VPATH search on %SOURCE%.
  ?!GENERIC?	%VERBOSE-NODEP%%LTCOMPILE% %-c% -o %LTOBJ% %SOURCEFLAG%`test -f '%SOURCE%' || echo '$(srcdir)/'`%SOURCE%
  endif !%FASTDEP%
  endif %?LIBTOOL%