blas-atlas-3.7.15.ebuild

blas-atlas-3.7.15.ebuild (text/plain), 4.82 KB, created by Adam Piątyszek on 2006-08-22 13:20:33 UTC

# Copyright 1999-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header:$

inherit eutils toolchain-funcs fortran

DESCRIPTION="Automatically Tuned Linear Algebra Software BLAS implementation"
HOMEPAGE="http://math-atlas.sourceforge.net/"
MY_PN=${PN/blas-/}
SRC_URI="mirror://sourceforge/math-atlas/${MY_PN}${PV}.tar.bz2"

LICENSE="BSD"
SLOT="0"
KEYWORDS="~alpha ~amd64 ~ia64 ~ppc ~ppc64 ~sparc ~x86"
IUSE="doc"

RDEPEND="sci-libs/blas-config"
DEPEND="${RDEPEND}
	>=sys-devel/libtool-1.5"
PROVIDE="virtual/blas"


S="${WORKDIR}/ATLAS"
BUILDDIR="${S}/build"
RPATH="${DESTTREE}/$(get_libdir)/blas"
FORTRAN="g77 gfortran"

src_unpack() {
	unpack "${A}"
	mkdir "${BUILDDIR}"
	cd "${S}"
 	epatch "${FILESDIR}"/${PV}-shared-libs.patch
# 	epatch "${FILESDIR}"/unbuffered.patch
# 	epatch "${FILESDIR}"/${PV}-allow-any-gcc-version.patch
# 	epatch "${FILESDIR}"/${PV}-ppc-configure.patch

 	sed -i \
 		-e "s:ASM:ASM VOLATILE:" \
 		include/contrib/camm_dpa.h \
 		|| die "sed failed to fix clobbering"

# 	sed -i \
# 		-e "s:\(\t./xconfig\):\1 -m $(tc-getCC) -c $(tc-getCC) -f ${FORTRANC}:g" \
# 		${S}/Makefile \
# 		|| die "Failed to fix compilers"

# 	if [[ $(gcc-major-version) -ge 4 ]]; then
# 		einfo "Updating Makefiles for gcc-4"
# 		sed -i \
# 			-e "s:g2c:gfortran:g" \
# 			${S}/Make.top \
# 			${S}/makes/Make.lib \
# 			|| die "Failed to update for gcc-4"
# 	fi

 	# make sure shared libs link against proper libraries
 	if [[ ${FORTRANC} == "gfortran" ]]; then
 		libs="-lpthread -lgfortran"
 	else
 		libs="-lpthread -lg2c"
 	fi
 	sed -e "s/SHRD_LNK/${libs}/g" -i Make.top || \
 		die "Failed to add addtional libs to shared object build"

 	cp "${FILESDIR}"/war "${BUILDDIR}"
 	chmod a+x "${BUILDDIR}"/war
}

# Added to allow compilation on sparc architecture. The default CCFLAG0
# and MMFLAGS are *bad*.
# Danny van Dyk <[e-mail]> 2004/07/02
#
# reconfigure() {
# 	case "`uname -p`" in
# 		"sun4m")
# 			MY_CCFLAGS="-O3 -mcpu=v8"
# 			MY_CXXFLAGS="${MY_CCFLAGS}"
# 			MY_MMFLAGS="-O -mcpu=v8"
# 			MY_LDFLAGS=""
# 			;;
# 		"sun4u")
# 			MY_CCFLAGS="-O3 -mcpu=ultrasparc"
# 			MY_CXXFLAGS="${MY_CCFLAGS}"
# 			MY_MMFLAGS="-O -mcpu=ultrasparc"
# 			MY_LDFLAGS=""
# 			;;
# 		*)
# 			MY_CCFLAGS="${CFLAGS}"
# 			MY_CXXFLAGS="${CXXFLAGS}"
# 			MY_MMFLAGS="${CFLAGS}"
# 			MY_LDFLAGS="${LDFLAGS}"
# 			;;
# 	esac

# 	MY_FILE="`find -name Make.Linux*`"

# 	sed -i -e "s/CCFLAG0 =.*/CCFLAG0 = \$(CDEFS) ${MY_CCFLAGS}/" \
# 		-e "s/CCFLAGS =.*/CCFLAGS = \$(CDEFS) ${MY_CCFLAGS}/" \
# 		-e "s/CLINKFLAGS =.*/CLINKFLAGS =\$(CDEFS) ${MY_LDFLAGS}/" \
# 		-e "s/XCCFLAGS =.*/XCCFLAGS =\$(CDEFS) ${MY_CXXFLAGS}/" \
# 		-e "s/MMFLAGS =.*/MMFLAGS = ${MY_MMFLAGS}/" \
# 		${MY_FILE} || die "sed didnt complete"
# }

src_compile() {
	cd "${BUILDDIR}"
	../configure --cc="$(tc-getCC) -DUSE_LIBTOOL" \
		--prefix="${DESTTREE}/$(get_libdir)" -Si cputhrchk 0 || die
	make CC="$(tc-getCC) -DUSE_LIBTOOL" || die

#	reconfigure

# 	TMPSTR=$(ls Make.Linux*)
# 	ATLAS_ARCH=${TMPSTR#'Make.'}

# 	make install arch=${ATLAS_ARCH} || \
# 		die "Failed to install blas-atlas"

 	make shared-strip RPATH=${RPATH}/atlas || \
 		die "Failed to build shared libraries"

	# Build shared versions of the threaded libs.
	# ATLAS only compiles threaded libs on multiprocessor machines.
	if [ -d gentoo/libptf77blas.a ]
	then
		make ptshared-strip \
			arch=${ATLAS_ARCH} RPATH=${RPATH}/threaded-atlas || die
	fi
}

src_install () {
	dodir "${RPATH}"/atlas
	cd "${BUILDDIR}"/gentoo/libs
	cp -P libatlas* "${D}/${DESTTREE}/$(get_libdir)" || \
		die "Failed to install libatlas"
	cp -P *blas* "${D}/${RPATH}"/atlas || \
		die "Failed to install blas/cblas"

	insinto ${RPATH}
	doins ${FILESDIR}/c-ATLAS ${FILESDIR}/f77-ATLAS

 	if [ -d "${S}"/gentoo/threaded-libs ]
 	then
 		dodir "${RPATH}"/threaded-atlas
 		cd "${S}"/gentoo/threaded-libs
 		cp -P * "${D}/${RPATH}"/threaded-atlas || \
 			die "Failed to install threaded atlas"
		doins ${FILESDIR}/c-threaded-ATLAS ${FILESDIR}/f77-threaded-ATLAS
 	fi

	insinto "${DESTTREE}"/include/atlas
	doins "${S}"/include/cblas.h "${S}"/include/atlas_misc.h
	doins "${S}"/include/atlas_enum.h

	# These headers contain the architecture-specific 
	# optimizations determined by ATLAS. The atlas-lapack build 
	# is much shorter if they are available, so save them:
	doins "${S}/include/${ATLAS_ARCH}"/*.h

	#some docs
	cd "${S}"
	dodoc README doc/{AtlasCredits.txt,ChangeLog}
	use doc && dodoc doc/*.ps
}

pkg_postinst() {
	local THREADED

	if [ -d "${RPATH}"/threaded-atlas ]
	then
		THREADED="threaded-"
	fi
	${DESTTREE}/bin/blas-config ${THREADED}ATLAS

	elog
	elog "Fortran users link using -lblas"
	elog
	elog "C users compile against the header ${ROOT}usr/include/atlas/cblas.h and"
	elog "link using -lcblas"
	elog
	elog "If using threaded ATLAS, you may also need to link with -lpthread."
#	elog
#	elog "Configuration now uses eselect rather than blas-config."
}