1# $NetBSD: Makefile.gnuhost,v 1.30 2004/10/18 08:33:48 skrll 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+= CC=${HOST_CC:Q} \ 48 CFLAGS=${HOST_CFLAGS:Q} \ 49 CPPFLAGS=${HOST_CPPFLAGS:Q} \ 50 CXX=${HOST_CXX:Q} \ 51 CXXFLAGS=${HOST_CXXFLAGS:Q} \ 52 INSTALL=${HOST_INSTALL_FILE:Q} \ 53 LDFLAGS=${HOST_LDFLAGS:Q} \ 54 AR=${HOST_AR:Q} \ 55 RANLIB=${HOST_RANLIB:Q} \ 56 LEX=${LEX:Q} \ 57 MAKE=${MAKE:Q} \ 58 PATH="${TOOLDIR}/bin:$$PATH" \ 59 YACC=${YACC:Q} 60 61CONFIGURE_ARGS+=--prefix=${TOOLDIR} 62.if ${MKPIC} == "no" 63CONFIGURE_ARGS+=--disable-shared 64.endif 65 66.ifndef _NOWRAPPER 67# Some systems have a small ARG_MAX. On such systems, prevent Make 68# variables set on the command line from being exported in the 69# environment (they will still be set in MAKEOVERRIDES). 70BUILD_OSTYPE!= uname -s 71.if ${BUILD_OSTYPE} == "Darwin" || ${BUILD_OSTYPE} == "FreeBSD" 72__noenvexport= -X 73.endif 74MAKE_ARGS:= ${__noenvexport} -f ${.PARSEDIR}/Makefile.gnuwrap ${MAKE_ARGS} 75.else 76MAKE_ARGS+= _NOWRAPPER=1 77.endif 78 79MAKE_ARGS+= BISON=true DESTDIR= INSTALL=${HOST_INSTALL_FILE:Q} 80 81ALL_TARGET?= all 82INSTALL_TARGET?=install 83 84.configure_done: ${_GNU_CFGSRC} ${.CURDIR}/Makefile 85 @mkdir build 2>/dev/null || true 86 @(cd build && ${CONFIGURE_ENV} ${HOST_SH} ${GNUHOSTDIST}/configure ${CONFIGURE_ARGS}) 87 @touch $@ 88 89# The .build_done timestamp is only updated if a file actually changes 90# in the build tree during "make all". This way, if nothing has changed, 91# a "make install MKUPDATE=yes" will do nothing. 92 93.build_done: .configure_done 94 @(cd build && ${MAKE} ${MAKE_ARGS} ${ALL_TARGET}) 95 @if [ ! -f $@ ] || [ -n "$$(find build -type f -newer .build_done -print)" ]; \ 96 then touch $@; fi 97 98.install_done! ${BUILD:D.build_done} 99 @(cd ${.OBJDIR}/build && ${MAKE} ${MAKE_ARGS} ${INSTALL_TARGET}) 100 @touch $@ 101 102.PHONY: .build_done .install_done 103 104# Mapping to standard targets. 105 106.if ${USETOOLS} == "yes" 107realall: .build_done 108realinstall: .install_done 109.endif 110 111clean: clean.gnu 112clean.gnu: 113 -rm -r -f .*_done build 114 115.include <bsd.hostprog.mk> 116