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## automake - create Makefile.in from Makefile.am
## Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
## 2003, 2004 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, write to the Free Software
## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
## 02111-1307, USA.
## 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 happen 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 line 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? if %COMPILE% -MT %OBJ% -MD -MP -MF "%DEPBASE%.Tpo" %-c% -o %OBJ% `test -f '%SOURCE%' || echo '$(srcdir)/'`%SOURCE%; \
?SUBDIROBJ??GENERIC? depbase=`echo %OBJ% | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.o$$||'`; \
?GENERIC? if %COMPILE% -MT %OBJ% -MD -MP -MF "%DEPBASE%.Tpo" %-c% -o %OBJ% %SOURCE%; \
then mv -f "%DEPBASE%.Tpo" "%DEPBASE%.Po"; else rm -f "%DEPBASE%.Tpo"; exit 1; fi
else !%FASTDEP%
if %AMDEP%
source='%SOURCE%' object='%OBJ%' libtool=no @AMDEPBACKSLASH@
DEPDIR=$(DEPDIR) $(%FPFX%DEPMODE) $(depcomp) @AMDEPBACKSLASH@
endif %AMDEP%
if %?GENERIC%
?-o? %COMPILE% %-c% %-o% %OBJ% %SOURCE%
?!-o? %COMPILE% %-c% %SOURCE%
else !%?GENERIC%
## For non-suffix rules, we must emulate a VPATH search on %SOURCE%.
?-o? %COMPILE% %-c% %-o% %OBJ% `test -f '%SOURCE%' || echo '$(srcdir)/'`%SOURCE%
?!-o? %COMPILE% %-c% `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? if %COMPILE% -MT %OBJOBJ% -MD -MP -MF "%DEPBASE%.Tpo" %-c% -o %OBJOBJ% `if test -f '%SOURCE%'; then $(CYGPATH_W) '%SOURCE%'; else $(CYGPATH_W) '$(srcdir)/%SOURCE%'; fi`; \
?SUBDIROBJ??GENERIC? depbase=`echo %OBJ% | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.obj$$||'`; \
?GENERIC? if %COMPILE% -MT %OBJOBJ% -MD -MP -MF "%DEPBASE%.Tpo" %-c% -o %OBJOBJ% `$(CYGPATH_W) '%SOURCE%'`; \
then mv -f "%DEPBASE%.Tpo" "%DEPBASE%.Po"; else rm -f "%DEPBASE%.Tpo"; exit 1; fi
else !%FASTDEP%
if %AMDEP%
source='%SOURCE%' object='%OBJOBJ%' libtool=no @AMDEPBACKSLASH@
DEPDIR=$(DEPDIR) $(%FPFX%DEPMODE) $(depcomp) @AMDEPBACKSLASH@
endif %AMDEP%
if %?GENERIC%
?-o? %COMPILE% %-c% %-o% %OBJOBJ% `$(CYGPATH_W) '%SOURCE%'`
?!-o? %COMPILE% %-c% `$(CYGPATH_W) '%SOURCE%'`
else !%?GENERIC%
## For non-suffix rules, we must emulate a VPATH search on %SOURCE%.
?-o? %COMPILE% %-c% %-o% %OBJOBJ% `if test -f '%SOURCE%'; then $(CYGPATH_W) '%SOURCE%'; else $(CYGPATH_W) '$(srcdir)/%SOURCE%'; fi`
?!-o? %COMPILE% %-c% `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? if %LTCOMPILE% -MT %LTOBJ% -MD -MP -MF "%DEPBASE%.Tpo" %-c% -o %LTOBJ% `test -f '%SOURCE%' || echo '$(srcdir)/'`%SOURCE%; \
?SUBDIROBJ??GENERIC? depbase=`echo %OBJ% | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.lo$$||'`; \
?GENERIC? if %LTCOMPILE% -MT %LTOBJ% -MD -MP -MF "%DEPBASE%.Tpo" %-c% -o %LTOBJ% %SOURCE%; \
then mv -f "%DEPBASE%.Tpo" "%DEPBASE%.Plo"; else rm -f "%DEPBASE%.Tpo"; exit 1; fi
else !%FASTDEP%
if %AMDEP%
source='%SOURCE%' object='%LTOBJ%' libtool=yes @AMDEPBACKSLASH@
DEPDIR=$(DEPDIR) $(%FPFX%DEPMODE) $(depcomp) @AMDEPBACKSLASH@
endif %AMDEP%
## We can always use `-o' with Libtool.
?GENERIC? %LTCOMPILE% %-c% -o %LTOBJ% %SOURCE%
## For non-suffix rules, we must emulate a VPATH search on %SOURCE%.
?!GENERIC? %LTCOMPILE% %-c% -o %LTOBJ% `test -f '%SOURCE%' || echo '$(srcdir)/'`%SOURCE%
endif !%FASTDEP%
endif %?LIBTOOL%
|
