upgrade to NetBSD CVS release from 2012/10/17 12:00:00 UTC Makefiles updates to imporve portability Made sure to be consistent in the usage of braces/parenthesis at least on a per file basis. For variables, it is recommended to continue to use braces.
		
			
				
	
	
		
			154 lines
		
	
	
		
			4.6 KiB
		
	
	
	
		
			Makefile
		
	
	
	
	
	
			
		
		
	
	
			154 lines
		
	
	
		
			4.6 KiB
		
	
	
	
		
			Makefile
		
	
	
	
	
	
#	$NetBSD: Makefile.gnuhost,v 1.39 2012/06/19 21:48:33 hans Exp $
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#
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# Rules used when building a GNU host package.  Expects MODULE to be set.
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#
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# There's not a lot we can do to build reliably in the face of many
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# available configuration options.  To be as low-overhead as possible,
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# we follow the following scheme:
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#
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# * Configuration is only re-run when an autoconf source file (such as
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#   "configure" or "config.sub") is changed.
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#
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# * "config.status" is run to rebuild Makefiles and .h files if an
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#   autoconf-parsed file (such as Makefile.in) is changed.
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#
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# * If MKUPDATE != "no", "make install" is only run if a build has happened
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#   since the last install in the current directory.
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.include <bsd.own.mk>
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# Disable use of pre-compiled headers on Darwin.
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BUILD_OSTYPE!= uname -s
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.if ${BUILD_OSTYPE} == "Darwin"
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HOST_CFLAGS+=-O2 -no-cpp-precomp
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.endif
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MAKE_PROGRAM?=	${MAKE}
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GNUHOSTDIST?=	${.CURDIR}/../../external/gpl3/gcc/dist/
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FIND_ARGS+=	\! \( -type d \( \
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			-name 'CVS' -o \
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			-name 'config' -o \
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			-name 'doc' -o \
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			-name 'po' -o \
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			-name 'nbsd.mt' -o \
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			-name 'tests*' \
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		\) -prune \)
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_GNU_GET_SCRIPTS:= \
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	external/gpl3/gcc/fetch.sh \
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	external/gpl3/binutils/fetch.sh \
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	gnu/dist/fetch.sh \
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	external/lgpl2/mpc/fetch.sh \
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	external/lgpl3/gmp/fetch.sh \
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	external/lgpl3/mpfr/fetch.sh
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_gnu_get_src: ${_GNU_GET_SCRIPTS}
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.for name in ${_GNU_GET_SCRIPTS}
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${name}:
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	@${HOST_SH} ${.CURDIR}/../../${name}
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.endfor
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# Do this "find" only if actually building something.
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.if (${USETOOLS} == "yes") && empty(.MAKEFLAGS:M-V*) && \
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    (make(all) || make(realall) || (!make(clean) && !make(cleandir) && !make(obj))) && \
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    !defined(_GNU_CFGSRC)
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_GNU_CFGSRC!=	find ${GNUHOSTDIST} ${FIND_ARGS} \
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		-type f \( -name 'config*' -o -name '*.in' \) -print
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.MAKEOVERRIDES+= _GNU_CFGSRC
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.endif
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CONFIGURE_ENV+= \
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		AR=${HOST_AR:Q} \
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		AWK=${TOOL_AWK:Q} \
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		CC=${HOST_CC:Q} \
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		CFLAGS=${HOST_CFLAGS:Q} \
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		CPPFLAGS=${HOST_CPPFLAGS:Q} \
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		CXX=${HOST_CXX:Q} \
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		CXXFLAGS=${HOST_CXXFLAGS:Q} \
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		INSTALL=${HOST_INSTALL_FILE:Q} \
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		LDFLAGS=${HOST_LDFLAGS:Q} \
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		LEX=${LEX:Q} \
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		M4=${TOOL_M4:Q} \
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		MAKE=${MAKE_PROGRAM:Q} \
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		PATH="${TOOLDIR}/bin:$$PATH" \
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		RANLIB=${HOST_RANLIB:Q} \
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		YACC=${YACC:Q}
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BUILD_ENV+=	${CONFIGURE_ENV}
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CONFIGURE_ARGS+=--prefix=${TOOLDIR}
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.if ${MKPIC} == "no"
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CONFIGURE_ARGS+=--disable-shared
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.endif
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.if ${MAKE_PROGRAM} == ${MAKE}
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.ifndef _NOWRAPPER
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# Some systems have a small ARG_MAX.  On such systems, prevent Make
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# variables set on the command line from being exported in the
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# environment (they will still be set in MAKEOVERRIDES).
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.if ${BUILD_OSTYPE} == "Darwin" || ${BUILD_OSTYPE} == "FreeBSD"
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__noenvexport=	-X
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.endif
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MAKE_ARGS:=	${__noenvexport} -f ${.PARSEDIR}/Makefile.gnuwrap ${MAKE_ARGS}
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.else
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MAKE_ARGS+=	_NOWRAPPER=1
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.endif
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BUILD_COMMAND=	${BUILD_ENV} ${MAKE} ${MAKE_ARGS}
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.else
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# gmake version of this puts MAKE_ARGS in the environment to be sure that
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# sub-gmake's get them, otherwise tools/gcc tries to build libgcc and
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# fails.  it also uses "env -i" to entirely clear out MAKEFLAGS.
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GMAKE_J_ARGS?=	${MAKEFLAGS:[*]:M*-j*:C/.*(-j ?[0-9]*).*/\1/W}
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BUILD_COMMAND=	/usr/bin/env -i ${BUILD_ENV} ${MAKE_ARGS} ${TOOL_GMAKE} ${GMAKE_J_ARGS} -e ${MAKE_ARGS}
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.endif
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MAKE_ARGS+=	BISON=true DESTDIR= INSTALL=${HOST_INSTALL_FILE:Q}
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ALL_TARGET?=	all
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INSTALL_TARGET?=install
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BUILD_PLATFORM!= uname -srm | tr ' ()' '-'
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CONFIGURE_PLATFORM!= if [ -s .configure_done ]; then cat .configure_done; else echo none; fi
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.if "${BUILD_PLATFORM}" != "${CONFIGURE_PLATFORM}"
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configure_cleanup:
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	@mkdir build 2>/dev/null || true
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	@(echo "Cleaning stale cache files ${BUILD_PLATFORM} != ${CONFIGURE_PLATFORM}")
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	@(cd build && find . -name config.cache | xargs rm -f)
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configure_cleanup=configure_cleanup
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.endif
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.configure_done: _gnu_get_src .WAIT ${_GNU_CFGSRC} ${.CURDIR}/Makefile ${configure_cleanup}
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	@mkdir build 2>/dev/null || true
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	@(cd build && ${CONFIGURE_ENV} ${HOST_SH} ${GNUHOSTDIST}/configure ${CONFIGURE_ARGS})
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	@echo ${BUILD_PLATFORM} > $@
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# The .build_done timestamp is only updated if a file actually changes
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# in the build tree during "make all".  This way, if nothing has changed,
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# a "make install MKUPDATE=yes" will do nothing.
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.build_done: .configure_done
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	@(cd build && ${BUILD_COMMAND} ${ALL_TARGET})
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	@if [ ! -f $@ ] || [ -n "$$(find build -type f -newer .build_done -print)" ]; \
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		then touch $@; fi
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.install_done! ${BUILD:D.build_done}
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	@(cd ${.OBJDIR}/build && ${BUILD_COMMAND} ${INSTALL_TARGET})
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	@touch $@
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# Mapping to standard targets.
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.if ${USETOOLS} == "yes"
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realall: .build_done
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realinstall: .install_done
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.endif
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clean: clean.gnu
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clean.gnu:
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	-rm -r -f .*_done build
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.include <bsd.hostprog.mk>
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