1# $NetBSD: Makefile.gnuhost,v 1.35 2011/11/21 13:46:37 tsutsui 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 25 26GNUHOSTDIST?= ${.CURDIR}/../../gnu/dist/${MODULE} 27 28FIND_ARGS+= \! \( -type d \( \ 29 -name 'CVS' -o \ 30 -name 'config' -o \ 31 -name 'doc' -o \ 32 -name 'po' -o \ 33 -name 'nbsd.mt' -o \ 34 -name 'tests*' \ 35 \) -prune \) 36 37# Do this "find" only if actually building something. 38.if (${USETOOLS} == "yes") && empty(.MAKEFLAGS:M-V*) && \ 39 (make(all) || make(realall) || (!make(clean) && !make(cleandir) && !make(obj))) && \ 40 !defined(_GNU_CFGSRC) 41 42_GNU_CFGSRC!= find ${GNUHOSTDIST} ${FIND_ARGS} \ 43 -type f \( -name 'config*' -o -name '*.in' \) -print 44.MAKEOVERRIDES+= _GNU_CFGSRC 45.endif 46 47CONFIGURE_ENV+= \ 48 AR=${HOST_AR:Q} \ 49 AWK=${TOOL_AWK:Q} \ 50 CC=${HOST_CC:Q} \ 51 CFLAGS=${HOST_CFLAGS:Q} \ 52 CPPFLAGS=${HOST_CPPFLAGS:Q} \ 53 CXX=${HOST_CXX:Q} \ 54 CXXFLAGS=${HOST_CXXFLAGS:Q} \ 55 INSTALL=${HOST_INSTALL_FILE:Q} \ 56 LDFLAGS=${HOST_LDFLAGS:Q} \ 57 LEX=${LEX:Q} \ 58 M4=${TOOL_M4:Q} \ 59 MAKE=${MAKE:Q} \ 60 PATH="${TOOLDIR}/bin:$$PATH" \ 61 RANLIB=${HOST_RANLIB:Q} \ 62 YACC=${YACC:Q} 63 64BUILD_ENV+= ${CONFIGURE_ENV} 65 66CONFIGURE_ARGS+=--prefix=${TOOLDIR} 67.if ${MKPIC} == "no" 68CONFIGURE_ARGS+=--disable-shared 69.endif 70 71.ifndef _NOWRAPPER 72# Some systems have a small ARG_MAX. On such systems, prevent Make 73# variables set on the command line from being exported in the 74# environment (they will still be set in MAKEOVERRIDES). 75BUILD_OSTYPE!= uname -s 76.if ${BUILD_OSTYPE} == "Darwin" || ${BUILD_OSTYPE} == "FreeBSD" 77__noenvexport= -X 78.endif 79MAKE_ARGS:= ${__noenvexport} -f ${.PARSEDIR}/Makefile.gnuwrap ${MAKE_ARGS} 80.else 81MAKE_ARGS+= _NOWRAPPER=1 82.endif 83 84MAKE_ARGS+= BISON=true DESTDIR= INSTALL=${HOST_INSTALL_FILE:Q} 85 86ALL_TARGET?= all 87INSTALL_TARGET?=install 88 89.configure_done: ${_GNU_CFGSRC} ${.CURDIR}/Makefile 90 @mkdir build 2>/dev/null || true 91 @(cd build && ${CONFIGURE_ENV} ${HOST_SH} ${GNUHOSTDIST}/configure ${CONFIGURE_ARGS}) 92 @touch $@ 93 94# The .build_done timestamp is only updated if a file actually changes 95# in the build tree during "make all". This way, if nothing has changed, 96# a "make install MKUPDATE=yes" will do nothing. 97 98.build_done: .configure_done 99 @(cd build && ${BUILD_ENV} ${MAKE} ${MAKE_ARGS} ${ALL_TARGET}) 100 @if [ ! -f $@ ] || [ -n "$$(find build -type f -newer .build_done -print)" ]; \ 101 then touch $@; fi 102 103.install_done! ${BUILD:D.build_done} 104 @(cd ${.OBJDIR}/build && ${MAKE} ${MAKE_ARGS} ${INSTALL_TARGET}) 105 @touch $@ 106 107# Mapping to standard targets. 108 109.if ${USETOOLS} == "yes" 110realall: .build_done 111realinstall: .install_done 112.endif 113 114clean: clean.gnu 115clean.gnu: 116 -rm -r -f .*_done build 117 118.include <bsd.hostprog.mk> 119