1# $NetBSD: Makefile.gnuhost,v 1.33 2008/10/19 22:05:23 apb 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 MAKE=${MAKE:Q} \ 59 PATH="${TOOLDIR}/bin:$$PATH" \ 60 RANLIB=${HOST_RANLIB:Q} \ 61 YACC=${YACC:Q} 62 63BUILD_ENV+= ${CONFIGURE_ENV} 64 65CONFIGURE_ARGS+=--prefix=${TOOLDIR} 66.if ${MKPIC} == "no" 67CONFIGURE_ARGS+=--disable-shared 68.endif 69 70.ifndef _NOWRAPPER 71# Some systems have a small ARG_MAX. On such systems, prevent Make 72# variables set on the command line from being exported in the 73# environment (they will still be set in MAKEOVERRIDES). 74BUILD_OSTYPE!= uname -s 75.if ${BUILD_OSTYPE} == "Darwin" || ${BUILD_OSTYPE} == "FreeBSD" 76__noenvexport= -X 77.endif 78MAKE_ARGS:= ${__noenvexport} -f ${.PARSEDIR}/Makefile.gnuwrap ${MAKE_ARGS} 79.else 80MAKE_ARGS+= _NOWRAPPER=1 81.endif 82 83MAKE_ARGS+= BISON=true DESTDIR= INSTALL=${HOST_INSTALL_FILE:Q} 84 85ALL_TARGET?= all 86INSTALL_TARGET?=install 87 88.configure_done: ${_GNU_CFGSRC} ${.CURDIR}/Makefile 89 @mkdir build 2>/dev/null || true 90 @(cd build && ${CONFIGURE_ENV} ${HOST_SH} ${GNUHOSTDIST}/configure ${CONFIGURE_ARGS}) 91 @touch $@ 92 93# The .build_done timestamp is only updated if a file actually changes 94# in the build tree during "make all". This way, if nothing has changed, 95# a "make install MKUPDATE=yes" will do nothing. 96 97.build_done: .configure_done 98 @(cd build && ${BUILD_ENV} ${MAKE} ${MAKE_ARGS} ${ALL_TARGET}) 99 @if [ ! -f $@ ] || [ -n "$$(find build -type f -newer .build_done -print)" ]; \ 100 then touch $@; fi 101 102.install_done! ${BUILD:D.build_done} 103 @(cd ${.OBJDIR}/build && ${MAKE} ${MAKE_ARGS} ${INSTALL_TARGET}) 104 @touch $@ 105 106.PHONY: .build_done .install_done 107 108# Mapping to standard targets. 109 110.if ${USETOOLS} == "yes" 111realall: .build_done 112realinstall: .install_done 113.endif 114 115clean: clean.gnu 116clean.gnu: 117 -rm -r -f .*_done build 118 119.include <bsd.hostprog.mk> 120