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Makefile.gnuhost revision 1.19 
      1 #	$NetBSD: Makefile.gnuhost,v 1.19 2003/07/18 08:26:12 lukem Exp $
      2 #
      3 # Rules used when building a GNU host package.  Expects MODULE to be set.
      4 #
      5 # There's not a lot we can do to build reliably in the face of many
      6 # available configuration options.  To be as low-overhead as possible,
      7 # we follow the following scheme:
      8 #
      9 # * Configuration is only re-run when an autoconf source file (such as
     10 #   "configure" or "config.sub") is changed.
     11 #
     12 # * "config.status" is run to rebuild Makefiles and .h files if an
     13 #   autoconf-parsed file (such as Makefile.in) is changed.
     14 #
     15 # * If MKUPDATE != "no", "make install" is only run if a build has happened
     16 #   since the last install in the current directory.
     17 
     18 .include <bsd.own.mk>
     19 
     20 GNUHOSTDIST?=	${.CURDIR}/../../gnu/dist/${MODULE}
     21 
     22 FIND_ARGS+=	\! \( -type d \( \
     23 			-name 'CVS' -o \
     24 			-name 'config' -o \
     25 			-name 'doc' -o \
     26 			-name 'po' -o \
     27 			-name 'nbsd.mt' -o \
     28 			-name 'tests*' \
     29 		\) -prune \)
     30 
     31 # Do this "find" only if actually building something.
     32 .if (${USETOOLS} == "yes") && empty(.MAKEFLAGS:M-V*) && \
     33     (make(all) || make(realall) || (!make(clean) && !make(cleandir) && !make(obj))) && \
     34     !defined(_GNU_CFGSRC)
     35 
     36 _GNU_CFGSRC!=	find ${GNUHOSTDIST} ${FIND_ARGS} \
     37 		-type f \( -name 'config*' -o -name '*.in' \) -print
     38 .MAKEOVERRIDES+= _GNU_CFGSRC
     39 .endif
     40 
     41 CONFIGURE_ENV+=	CC=${HOST_CC:Q} \
     42 		CFLAGS=${HOST_CFLAGS:Q} \
     43 		CPPFLAGS=${HOST_CPPFLAGS:Q} \
     44 		CXX=${HOST_CXX:Q} \
     45 		CXXFLAGS=${HOST_CXXFLAGS:Q} \
     46 		INSTALL=${HOST_INSTALL_FILE:Q} \
     47 		LDFLAGS=${HOST_LDFLAGS:Q} \
     48 		LEX=${LEX:Q} \
     49 		PATH="${TOOLDIR}/bin:$$PATH" \
     50 		YACC=${YACC:Q}
     51 
     52 CONFIGURE_ARGS+=--prefix=${TOOLDIR} --disable-shared
     53 
     54 .ifndef _NOWRAPPER
     55 # Some systems have a small ARG_MAX.  On such systems, prevent Make
     56 # variables set on the command line from being exported in the
     57 # environment (they will still be set in MAKEOVERRIDES).
     58 BUILD_OSTYPE!=	uname -s
     59 .if ${BUILD_OSTYPE} == "Darwin" || ${BUILD_OSTYPE} == "FreeBSD"
     60 __noenvexport=	-X
     61 .endif
     62 MAKE_ARGS:=	${__noenvexport} -f ${.PARSEDIR}/Makefile.gnuwrap ${MAKE_ARGS}
     63 .else
     64 MAKE_ARGS+=	_NOWRAPPER=1
     65 .endif
     66 
     67 MAKE_ARGS+=	BISON=true DESTDIR= INSTALL=${HOST_INSTALL_FILE:Q}
     68 
     69 ALL_TARGET?=	all
     70 INSTALL_TARGET?=install
     71 
     72 .configure_done: ${_GNU_CFGSRC} ${.CURDIR}/Makefile
     73 	@mkdir build 2>/dev/null || true
     74 	@(cd build && ${CONFIGURE_ENV} sh ${GNUHOSTDIST}/configure ${CONFIGURE_ARGS})
     75 	@touch $@
     76 
     77 # The .build_done timestamp is only updated if a file actually changes
     78 # in the build tree during "make all".  This way, if nothing has changed,
     79 # a "make install MKUPDATE=yes" will do nothing.
     80 
     81 .build_done: .configure_done
     82 	@(cd build && ${MAKE} ${MAKE_ARGS} ${ALL_TARGET})
     83 	@if [ ! -f $@ ] || [ -n "$$(find build -type f -newer .build_done -print)" ]; \
     84 		then touch $@; fi
     85 
     86 .install_done: ${BUILD:D.build_done}
     87 .if ${MKUPDATE} != "no"
     88 	@cd ${.OBJDIR}; \
     89 	if [ ! -f .install_done ] || [ ! -f .build_done ] || \
     90 	[ -n "$$(find .build_done -prune -newer .install_done -print)" ]; then \
     91 		(cd build && ${MAKE} ${MAKE_ARGS} ${INSTALL_TARGET}); \
     92 	fi
     93 .else
     94 	@(cd ${.OBJDIR}/build && ${MAKE} ${MAKE_ARGS} ${INSTALL_TARGET})
     95 .endif
     96 	@touch $@
     97 
     98 .PHONY: .build_done .install_done
     99 
    100 # Mapping to standard targets.
    101 
    102 .if ${USETOOLS} == "yes"
    103 realall: .build_done
    104 realinstall: .install_done
    105 .endif
    106 
    107 clean: clean.gnu
    108 clean.gnu:
    109 	-rm -r -f .*_done build
    110 
    111 .include <bsd.hostprog.mk>
    112