dev-libs/crypto++: Drop forced usage of march=native.

This completely breaks for my usecases where I build binary packages for older CPUs.

Package-Manager: portage-2.3.1

1 files changed, 73 insertions, 0 deletions

diff --git a/dev-libs/crypto++/crypto++-5.6.4-r1.ebuild b/dev-libs/crypto++/crypto++-5.6.4-r1.ebuild
new file mode 100644
index 000000000000..6444560ef5b7
--- /dev/null
+++ b/dev-libs/crypto++/crypto++-5.6.4-r1.ebuild
@@ -0,0 +1,73 @@
+# Copyright 1999-2016 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Id$
+
+EAPI=6
+
+inherit flag-o-matic toolchain-funcs
+
+DESCRIPTION="C++ class library of cryptographic schemes"
+HOMEPAGE="http://cryptopp.com"
+SRC_URI="mirror://sourceforge/cryptopp/cryptopp${PV//.}.zip"
+
+LICENSE="Boost-1.0"
+SLOT="0/5.6" # subslot is so version
+KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ppc ~ppc64 ~sparc ~x86 ~x64-macos"
+IUSE="static-libs"
+
+DEPEND="app-arch/unzip"
+
+S="${WORKDIR}"
+PATCHES=(
+	# Building with -march=native breaks when one wants to build for older CPUs.
+	"${FILESDIR}/${P}-nonative.patch"
+)
+
+src_configure() {
+	cp config.recommend config.h || die
+}
+
+src_compile() {
+	# higher optimizations cause problems
+	replace-flags -O3 -O2
+	# ASM isn't Darwin/Mach-O ready, #479554, buildsys doesn't grok CPPFLAGS
+	[[ ${CHOST} == *-darwin* ]] && append-flags -DCRYPTOPP_DISABLE_X86ASM
+
+	CXX="$(tc-getCXX)" \
+	emake -f GNUmakefile \
+		LIBDIR="${EPREFIX}/usr/$(get_libdir)" \
+		PREFIX="${EPREFIX}/usr" \
+		all shared
+}
+
+src_test() {
+	# ensure that all test vectors have Unix line endings
+	local file
+	for file in TestVectors/* ; do
+		edos2unix "${file}"
+	done
+
+	if ! CXX="$(tc-getCXX)" emake test ; then
+		eerror "Crypto++ self-tests failed."
+		eerror "Try to remove some optimization flags and reemerge Crypto++."
+		die "emake test failed"
+	fi
+}
+
+src_install() {
+	emake \
+		DESTDIR="${ED}" \
+		PREFIX="${EPREFIX}/usr" \
+		LIBDIR="${EPREFIX}/usr/$(get_libdir)" \
+		install
+
+	# remove leftovers as build system sucks
+	rm -fr "${ED}"/usr/bin "${ED}"/usr/share/cryptopp
+	use static-libs || rm -f "${ED}${EPREFIX}"/usr/$(get_libdir)/*.a
+
+	# compatibility
+	dosym cryptopp "${EPREFIX}"/usr/include/crypto++
+	for f in "${ED}${EPREFIX}"/usr/$(get_libdir)/*; do
+		ln -s "$(basename "${f}")" "$(echo "${f}" | sed 's/cryptopp/crypto++/')" || die
+	done
+}