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

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• Hash : ca41efd3
  Author :
  Date : 2013-01-10T21:52:18
  

  depend: reduce code duplication, de-uglify make verbose output
  
  Verbose output from compilation recipes had been made more messy by
  the previous "simplifying" commit v1.13.1d-220-g1fa0c24.  With this
  patch, not only we reduce some code duplication, but also improve
  that output again, for the joy of users who dislike silent-rules :-)
  
  * lib/am/depend2.am: Use the new '%XSOURCE%' transform, instead of
  copying and pasting the idiom for VPATH rewrite emulation over and
  over.  Fix some indentation and line-wrapping issues while at it.
  * bin/automake.in (handle_languages): Implement the new transform.
  * t/silent-nested-vars.sh: Adjust to avoid spurious failures.
  
  Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>
  

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• lib/am/depend2.am

• ## automake - create Makefile.in from Makefile.am
  ## Copyright (C) 1994-2013 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 or later.  In this case we can skip the use of
  ## depcomp and easily inline the dependency tracking.
  
  if %?FIRST%
  ## TODO: rewrite this to avoid extra forks once we can assume a POSIX shell.
  am__set_depbase = depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.[^.]*$$||'`
  endif %?FIRST%
  
  if %?NONLIBTOOL%
  ?GENERIC?%EXT%.o:
  ?!GENERIC?%OBJ%: %SOURCE%
  if %FASTDEP%
  	%VERBOSE%$(am__set_depbase) && \
  	%COMPILE% -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ %SOURCEFLAG% %XSOURCE% && \
  	$(am__mv) $$depbase.Tpo $$depbase.Po
  else !%FASTDEP%
  if %AMDEP%
  	%VERBOSE%source='%SOURCE%' object='$@' libtool=no @AMDEPBACKSLASH@
  	DEPDIR=$(DEPDIR) $(%FPFX%DEPMODE) $(depcomp) @AMDEPBACKSLASH@
  endif %AMDEP%
  	%VERBOSE-NODEP%%COMPILE% -c -o $@ %SOURCEFLAG% %XSOURCE%
  endif !%FASTDEP%
  
  ?GENERIC?%EXT%.obj:
  ?!GENERIC?%OBJOBJ%: %SOURCE%
  if %FASTDEP%
  	%VERBOSE%$(am__set_depbase) && \
  	%COMPILE% -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ %SOURCEFLAG% $$($(CYGPATH_W) %XSOURCE%) && \
  	$(am__mv) $$depbase.Tpo $$depbase.Po
  else !%FASTDEP%
  if %AMDEP%
  	%VERBOSE%source='%SOURCE%' object='$@' libtool=no @AMDEPBACKSLASH@
  	DEPDIR=$(DEPDIR) $(%FPFX%DEPMODE) $(depcomp) @AMDEPBACKSLASH@
  endif %AMDEP%
  	%VERBOSE-NODEP%%COMPILE% -c -o $@ %SOURCEFLAG% $$($(CYGPATH_W) %XSOURCE%)
  endif !%FASTDEP%
  endif %?NONLIBTOOL%
  
  if %?LIBTOOL%
  ?GENERIC?%EXT%.lo:
  ?!GENERIC?%LTOBJ%: %SOURCE%
  if %FASTDEP%
  	%VERBOSE%$(am__set_depbase) && \
  	%LTCOMPILE% -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ %SOURCEFLAG% %XSOURCE% && \
  	$(am__mv) $$depbase.Tpo $$depbase.Plo
  else !%FASTDEP%
  if %AMDEP%
  	%VERBOSE%source='%SOURCE%' object='$@' libtool=yes @AMDEPBACKSLASH@
  	DEPDIR=$(DEPDIR) $(%FPFX%DEPMODE) $(depcomp) @AMDEPBACKSLASH@
  endif %AMDEP%
  	%VERBOSE-NODEP%%LTCOMPILE% -c -o $@ %SOURCEFLAG% %XSOURCE%
  endif !%FASTDEP%
  endif %?LIBTOOL%
  

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