1# $NetBSD$ 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 29FIND_ARGS+= \! \( -type d \( \ 30 -name 'CVS' -o \ 31 -name 'config' -o \ 32 -name 'doc' -o \ 33 -name 'po' -o \ 34 -name 'nbsd.mt' -o \ 35 -name 'tests*' \ 36 \) -prune \) 37 38# Do this "find" only if actually building something. 39.if (${USETOOLS} == "yes") && empty(.MAKEFLAGS:M-V*) && \ 40 (make(all) || make(realall) || (!make(clean) && !make(cleandir) && !make(obj))) && \ 41 !defined(_GNU_CFGSRC) 42 43_GNU_CFGSRC!= find ${GNUHOSTDIST} ${FIND_ARGS} \ 44 -type f \( -name 'config*' -o -name '*.in' \) -print 45.MAKEOVERRIDES+= _GNU_CFGSRC 46.endif 47 48CONFIGURE_ENV+= \ 49 AR=${HOST_AR:Q} \ 50 AWK=${TOOL_AWK:Q} \ 51 CC=${HOST_CC:Q} \ 52 CFLAGS=${HOST_CFLAGS:Q} \ 53 CPPFLAGS=${HOST_CPPFLAGS:Q} \ 54 CXX=${HOST_CXX:Q} \ 55 CXXFLAGS=${HOST_CXXFLAGS:Q} \ 56 INSTALL=${HOST_INSTALL_FILE:Q} \ 57 LDFLAGS=${HOST_LDFLAGS:Q} \ 58 LEX=${LEX:Q} \ 59 M4=${TOOL_M4:Q} \ 60 MAKE=${MAKE_PROGRAM:Q} \ 61 PATH="${TOOLDIR}/bin:$$PATH" \ 62 RANLIB=${HOST_RANLIB:Q} \ 63 YACC=${YACC:Q} 64 65BUILD_ENV+= ${CONFIGURE_ENV} 66 67CONFIGURE_ARGS+=--prefix=${TOOLDIR} 68.if ${MKPIC} == "no" 69CONFIGURE_ARGS+=--disable-shared 70.endif 71 72.if ${MAKE_PROGRAM} == ${MAKE} 73.ifndef _NOWRAPPER 74# Some systems have a small ARG_MAX. On such systems, prevent Make 75# variables set on the command line from being exported in the 76# environment (they will still be set in MAKEOVERRIDES). 77.if ${BUILD_OSTYPE} == "Darwin" || ${BUILD_OSTYPE} == "FreeBSD" 78__noenvexport= -X 79.endif 80MAKE_ARGS:= ${__noenvexport} -f ${.PARSEDIR}/Makefile.gnuwrap ${MAKE_ARGS} 81.else 82MAKE_ARGS+= _NOWRAPPER=1 83.endif 84BUILD_COMMAND= ${BUILD_ENV} ${MAKE} ${MAKE_ARGS} 85.else 86 87# gmake version of this puts MAKE_ARGS in the environment to be sure that 88# sub-gmake's get them, otherwise tools/gcc tries to build libgcc and 89# fails. it also uses "env -i" to entirely clear out MAKEFLAGS. 90GMAKE_J_ARGS?= ${MAKEFLAGS:[*]:M*-j*:C/.*(-j ?[0-9]*).*/\1/W} 91BUILD_COMMAND= /usr/bin/env -i ${BUILD_ENV} ${MAKE_ARGS} ${TOOL_GMAKE} ${GMAKE_J_ARGS} -e ${MAKE_ARGS} 92 93.endif 94 95MAKE_ARGS+= BISON=true DESTDIR= INSTALL=${HOST_INSTALL_FILE:Q} 96 97ALL_TARGET?= all 98INSTALL_TARGET?=install 99 100BUILD_PLATFORM!= uname -srm | tr ' ()' '-' 101CONFIGURE_PLATFORM!= if [ -s .configure_done ]; then cat .configure_done; else echo none; fi 102.if "${BUILD_PLATFORM}" != "${CONFIGURE_PLATFORM}" 103configure_cleanup: 104 @mkdir build 2>/dev/null || true 105 @(echo "Cleaning stale cache files ${BUILD_PLATFORM} != ${CONFIGURE_PLATFORM}") 106 @(cd build && find . -name config.cache -print0 | xargs -0 rm -f) 107configure_cleanup=configure_cleanup 108.endif 109 110.configure_done: ${_GNU_CFGSRC} ${.CURDIR}/Makefile ${configure_cleanup} 111 @mkdir build 2>/dev/null || true 112 @(cd build && ${CONFIGURE_ENV} ${HOST_SH} ${GNUHOSTDIST}/configure ${CONFIGURE_ARGS}) 113 @echo ${BUILD_PLATFORM} > $@ 114 115# The .build_done timestamp is only updated if a file actually changes 116# in the build tree during "make all". This way, if nothing has changed, 117# a "make install MKUPDATE=yes" will do nothing. 118 119.build_done: .configure_done 120 @(cd build && ${BUILD_COMMAND} ${ALL_TARGET}) 121 @if [ ! -f $@ ] || [ -n "$$(find build -type f -newer .build_done -print)" ]; \ 122 then touch $@; fi 123 124.install_done! ${BUILD:D.build_done} 125 @(cd ${.OBJDIR}/build && ${BUILD_COMMAND} ${INSTALL_TARGET}) 126 @touch $@ 127 128# Mapping to standard targets. 129 130.if ${USETOOLS} == "yes" 131realall: .build_done 132realinstall: .install_done 133.endif 134 135clean: clean.gnu 136clean.gnu: 137 -rm -r -f .*_done build 138 139.include <bsd.hostprog.mk> 140