1# $NetBSD: Makefile.gnuhost,v 1.39 2012/06/19 21:48:33 hans 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# Disable use of pre-compiled headers on Darwin. 21BUILD_OSTYPE!= uname -s 22.if ${BUILD_OSTYPE} == "Darwin" 23HOST_CFLAGS+=-O2 -no-cpp-precomp 24.endif 25MAKE_PROGRAM?= ${MAKE} 26 27GNUHOSTDIST?= ${.CURDIR}/../../gnu/dist/${MODULE} 28 29# AL - MINIX /usr/src does not have the sources for the GNU utilities 30# in-tree (they are much bigger than Minix itself!) So to successfully 31# use them while cross-compiling, we have to fetch them. The success of 32# that operation is indicated by the presence of a .gitignore file in 33# the corresponding ${.CURDIR}, which also conveniently hides from git. 34.if exists(${GNUHOSTDIST:H}/fetch.sh) 35${GNUHOSTDIST:H}/.gitignore: ${GNUHOSTDIST:H}/fetch.sh 36 ${HOST_SH} ${GNUHOSTDIST:H}/fetch.sh 37 @test -e ${GNUHOSTDIST}/configure 38 @echo "${MODULE:U${.CURDIR:T:C,^gcc[0-9]*$,gcc,}}-*.tar.*z*" > $@ 39 @echo ${GNUHOSTDIST:T} >> $@ 40_gnu_get_src=${GNUHOSTDIST:H}/.gitignore 41.endif # exists(GNUHOSTDIST:H/fetch.sh) on MINIX 42 43FIND_ARGS+= \! \( -type d \( \ 44 -name 'CVS' -o \ 45 -name 'config' -o \ 46 -name 'doc' -o \ 47 -name 'po' -o \ 48 -name 'nbsd.mt' -o \ 49 -name 'tests*' \ 50 \) -prune \) 51 52# Do this "find" only if actually building something. 53# AL - ... and on MINIX, if the source has already being fetched 54.if (${USETOOLS} == "yes") && empty(.MAKEFLAGS:M-V*) && \ 55 (make(all) || make(realall) || (!make(clean) && !make(cleandir) && !make(obj))) && \ 56 !defined(_GNU_CFGSRC) && exists(${GNUHOSTDIST}/configure) 57 58_GNU_CFGSRC!= find ${GNUHOSTDIST} ${FIND_ARGS} \ 59 -type f \( -name 'config*' -o -name '*.in' \) -print 60.MAKEOVERRIDES+= _GNU_CFGSRC 61.endif 62 63CONFIGURE_ENV+= \ 64 AR=${HOST_AR:Q} \ 65 AWK=${TOOL_AWK:Q} \ 66 CC=${HOST_CC:Q} \ 67 CFLAGS=${HOST_CFLAGS:Q} \ 68 CPPFLAGS=${HOST_CPPFLAGS:Q} \ 69 CXX=${HOST_CXX:Q} \ 70 CXXFLAGS=${HOST_CXXFLAGS:Q} \ 71 INSTALL=${HOST_INSTALL_FILE:Q} \ 72 LDFLAGS=${HOST_LDFLAGS:Q} \ 73 LEX=${LEX:Q} \ 74 M4=${TOOL_M4:Q} \ 75 MAKE=${MAKE_PROGRAM:Q} \ 76 PATH="${TOOLDIR}/bin:$$PATH" \ 77 RANLIB=${HOST_RANLIB:Q} \ 78 YACC=${YACC:Q} 79 80BUILD_ENV+= ${CONFIGURE_ENV} 81 82CONFIGURE_ARGS+=--prefix=${TOOLDIR} 83.if ${MKPIC} == "no" 84CONFIGURE_ARGS+=--disable-shared 85.endif 86 87.if ${MAKE_PROGRAM} == ${MAKE} 88.ifndef _NOWRAPPER 89# Some systems have a small ARG_MAX. On such systems, prevent Make 90# variables set on the command line from being exported in the 91# environment (they will still be set in MAKEOVERRIDES). 92.if ${BUILD_OSTYPE} == "Darwin" || ${BUILD_OSTYPE} == "FreeBSD" 93__noenvexport= -X 94.endif 95MAKE_ARGS:= ${__noenvexport} -f ${.PARSEDIR}/Makefile.gnuwrap ${MAKE_ARGS} 96.else 97MAKE_ARGS+= _NOWRAPPER=1 98.endif 99BUILD_COMMAND= ${BUILD_ENV} ${MAKE} ${MAKE_ARGS} 100.else 101 102# gmake version of this puts MAKE_ARGS in the environment to be sure that 103# sub-gmake's get them, otherwise tools/gcc tries to build libgcc and 104# fails. it also uses "env -i" to entirely clear out MAKEFLAGS. 105GMAKE_J_ARGS?= ${MAKEFLAGS:[*]:M*-j*:C/.*(-j ?[0-9]*).*/\1/W} 106BUILD_COMMAND= /usr/bin/env -i ${BUILD_ENV} ${MAKE_ARGS} ${TOOL_GMAKE} ${GMAKE_J_ARGS} -e ${MAKE_ARGS} 107 108.endif 109 110MAKE_ARGS+= BISON=true DESTDIR= INSTALL=${HOST_INSTALL_FILE:Q} 111 112ALL_TARGET?= all 113INSTALL_TARGET?=install 114 115BUILD_PLATFORM!= uname -srm | tr ' ()' '-' 116CONFIGURE_PLATFORM!= if [ -s .configure_done ]; then cat .configure_done; else echo none; fi 117.if "${BUILD_PLATFORM}" != "${CONFIGURE_PLATFORM}" 118configure_cleanup: 119 @mkdir build 2>/dev/null || true 120 @(echo "Cleaning stale cache files ${BUILD_PLATFORM} != ${CONFIGURE_PLATFORM}") 121 @(cd build && find . -name config.cache | xargs rm -f) 122configure_cleanup=configure_cleanup 123.endif 124 125# AL For MINIX, fetch the source if not there 126.configure_done: ${_gnu_get_src} .WAIT ${_GNU_CFGSRC} ${.CURDIR}/Makefile ${configure_cleanup} 127 @mkdir build 2>/dev/null || true 128 @(cd build && ${CONFIGURE_ENV} ${HOST_SH} ${GNUHOSTDIST}/configure ${CONFIGURE_ARGS}) 129 @echo ${BUILD_PLATFORM} > $@ 130 131# The .build_done timestamp is only updated if a file actually changes 132# in the build tree during "make all". This way, if nothing has changed, 133# a "make install MKUPDATE=yes" will do nothing. 134 135.build_done: .configure_done 136 @(cd build && ${BUILD_COMMAND} ${ALL_TARGET}) 137 @if [ ! -f $@ ] || [ -n "$$(find build -type f -newer .build_done -print)" ]; \ 138 then touch $@; fi 139 140.install_done! ${BUILD:D.build_done} 141 @(cd ${.OBJDIR}/build && ${BUILD_COMMAND} ${INSTALL_TARGET}) 142 @touch $@ 143 144# Mapping to standard targets. 145 146.if ${USETOOLS} == "yes" 147realall: .build_done 148realinstall: .install_done 149.endif 150 151clean: clean.gnu 152clean.gnu: 153 -rm -r -f .*_done build 154 155# AL - Special target for MINIX, reset the source tree as pristine 156.if ${CLEANFETCHED:Uno} == "yes" && exists(${GNUHOSTDIST:H}/fetch.sh) 157cleandir: clean_gnu_src 158clean_gnu_src: 159 -rm -r -f ${GNUHOSTDIST} ${GNUHOSTDIST:H}/.gitignore 160# XXX CHECKME: could have used the content of .gitignore as well? 161.endif # CLEANFETCHED == yes 162 163.include <bsd.hostprog.mk> 164