--- /dev/null
+# Copyright 1999-2006 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/sci-libs/blas-atlas/blas-atlas-3.7.19.ebuild,v 1.1 2006/10/29 22:35:32 markusle Exp $
+
+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}${PV}.tar.bz2
+ mirror://gentoo/${MY_PN}-${PV}-shared-libs.patch.bz2"
+
+LICENSE="BSD"
+SLOT="0"
+KEYWORDS="~alpha ~amd64 ~ppc ~ppc64 ~sparc ~x86"
+IUSE="doc"
+
+
+RDEPEND="app-admin/eselect-blas
+ app-admin/eselect-cblas"
+DEPEND="${RDEPEND}
+ >=sys-devel/libtool-1.5"
+PROVIDE="virtual/blas"
+
+
+S="${WORKDIR}/ATLAS"
+BLD_DIR="${S}/gentoo-build"
+RPATH="${DESTTREE}/$(get_libdir)/blas"
+FORTRAN="g77 gfortran"
+
+pkg_setup() {
+ fortran_pkg_setup
+ echo
+ ewarn "Please make sure to disable CPU throttling completely"
+ ewarn "during the compile of blas-atlas. Otherwise, all atlas"
+ ewarn "generated timings will be completely random and the"
+ ewarn "performance of the resulting libraries will be degraded"
+ ewarn "considerably."
+ echo
+ ewarn "Also, if you experience failing SANITY tests during"
+ ewarn "atlas' compile please try passing -mfpmath=387; this"
+ ewarn "option might also result in much better performance"
+ ewarn "than using then sse instruction set depending on your"
+ ewarn "CPU."
+ echo
+ epause 10
+}
+
+src_unpack() {
+ unpack ${A}
+ cd ${S}
+
+ epatch "${DISTDIR}"/${MY_PN}-${PV}-shared-libs.patch.bz2
+ epatch "${FILESDIR}"/${MY_PN}-asm-gentoo.patch
+
+ # make sure shared libs link against proper libraries
+ if [[ ${FORTRANC} == "gfortran" ]]; then
+ libs="${LDFLAGS} -lpthread -lgfortran"
+ else
+ libs="${LDFLAGS} -lpthread -lg2c"
+ fi
+ sed -e "s/SHRD_LNK/${libs}/g" -i Make.top || \
+ die "Failed to add addtional libs to shared object build"
+
+ mkdir ${BLD_DIR} || die "failed to generate build directory"
+ cp "${FILESDIR}"/war ${BLD_DIR} && chmod a+x ${BLD_DIR}/war || \
+ die "failed to install war"
+
+ # force proper 32/64bit libs
+ local archselect
+ if [[ "${ARCH}" == "amd64" || "${ARCH}" == "ppc64" ]]; then
+ archselect="-b 64"
+ else
+ archselect="-b 32"
+ fi
+
+ # set up compiler/flags using atlas' native configure
+ local compdefs
+ compdefs="${compdefs} -C xc '$(tc-getCC)' -F xc '${CFLAGS}'"
+ compdefs="${compdefs} -C ic '$(tc-getCC)' -F ic '${CFLAGS}'"
+ compdefs="${compdefs} -C sk '$(tc-getCC)' -F sk '${CFLAGS}'"
+ compdefs="${compdefs} -C dk '$(tc-getCC)' -F dk '${CFLAGS}'"
+ compdefs="${compdefs} -C sm '$(tc-getCC)' -F sm '${CFLAGS}'"
+ compdefs="${compdefs} -C dm '$(tc-getCC)' -F dm '${CFLAGS}'"
+ compdefs="${compdefs} -C if '${FORTRANC}' -F if '${FFLAGS}'"
+ compdefs="${compdefs} -Si cputhrchk 0 ${archselect}"
+
+ cd ${BLD_DIR} && ../configure ${compdefs} \
+ || die "configure failed"
+}
+
+src_compile() {
+ cd ${BLD_DIR}
+ make || die "make failed"
+
+ make shared-strip RPATH=${RPATH}/atlas || \
+ die "failed to build shared libraries"
+
+ # build shared libraries of threaded libraries if applicable
+ if [ -d gentoo/libptf77blas.a ]; then
+ make ptshared-strip RPATH=${RPATH}/threaded-atlas || \
+ die "failed to build threaded shared libraries"
+ fi
+}
+
+src_install () {
+ dodir "${RPATH}"/atlas
+ cd ${BLD_DIR}/gentoo/libs
+ cp -P libatlas* "${D}/${DESTTREE}/$(get_libdir)" || \
+ die "Failed to install libatlas"
+ cp -P *blas* "${D}/${RPATH}"/atlas || \
+ die "Failed to install blas/cblas"
+
+ eselect blas add $(get_libdir) ${FILESDIR}/eselect.blas atlas
+ eselect cblas add $(get_libdir) ${FILESDIR}/eselect.cblas atlas
+
+ if [ -d ${BLD_DIR}/gentoo/threaded-libs ]
+ then
+ dodir "${RPATH}"/threaded-atlas
+ cd ${BLD_DIR}/gentoo/threaded-libs
+ cp -P * "${D}/${RPATH}"/threaded-atlas || \
+ die "Failed to install threaded atlas"
+
+ eselect blas add $(get_libdir) ${FILESDIR}/eselect.blas-threaded threaded-atlas
+ eselect cblas add $(get_libdir) ${FILESDIR}/eselect.cblas-threaded threaded-atlas
+ fi
+
+ insinto "${DESTTREE}"/include/atlas
+ doins "${S}"/include/cblas.h "${S}"/include/atlas_misc.h \
+ "${S}"/include/atlas_enum.h || \
+ die "failed to install headers"
+
+ # 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 ${BLD_DIR}/include/*.h || \
+ die "failed to install timing headers"
+
+ #some docs
+ cd "${S}"
+ dodoc README doc/{AtlasCredits.txt,ChangeLog}
+ use doc && dodoc doc/*.ps
+}
+
+pkg_postinst() {
+ local THREADED
+
+ if [ -d "${RPATH}"/threaded-atlas ]
+ then
+ THREADED="threaded-"
+ fi
+ if [[ -z "$(eselect blas show)" ]]; then
+ eselect blas set ${THREADED}atlas
+ fi
+ if [[ -z "$(eselect cblas show)" ]]; then
+ eselect cblas set ${THREADED}atlas
+ fi
+
+ 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."
+}
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