dev-cpp/ms-gsl: Add live ebuild

Signed-off-by: Jan Henke <Jan.Henke@taujhe.de>
Package-Manager: Portage-2.3.49, Repoman-2.3.11
Closes: https://github.com/gentoo/gentoo/pull/10146
Signed-off-by: Michał Górny <mgorny@gentoo.org>

dev-cpp/ms-gsl/ms-gsl-9999.ebuild

@@ -0,0 +1,35 @@
+# Copyright 1999-2018 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=6
+
+inherit cmake-utils git-r3
+
+DESCRIPTION="Guideline Support Library implementation by Microsoft"
+HOMEPAGE="https://github.com/Microsoft/GSL"
+SRC_URI=""
+EGIT_REPO_URI="https://github.com/Microsoft/GSL.git"
+
+S="${WORKDIR}/GSL-${PV}"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS=""
+IUSE="test"
+
+# header only library
+RDEPEND=""
+DEPEND="test? ( ~dev-cpp/catch-1.11.0 )"
+
+PATCHES=(
+	"${FILESDIR}/${PN}-1.0.0-use_system_catch-636828.patch"
+	"${FILESDIR}/${PN}-1.0.0-disable_Werror-644042.patch"
+)
+
+src_configure() {
+	local mycmakeargs=(
+		-DGSL_TEST=$(usex test)
+	)
+	use test && mycmakeargs+=( -DFORCE_SYSTEM_CATCH=ON )
+	cmake-utils_src_configure
+}