dev-ada/langkit: add -lgnarl & -lgnat for incoming gprbuild

Package-Manager: Portage-2.3.99, Repoman-2.3.22
Signed-off-by: Alfredo Tupone <[email protected]>

dev-ada/langkit/files/langkit-2019-gnarl.patch

@@ -0,0 +1,10 @@
+--- a/langkit/templates/mains_project_file.mako	2020-06-09 09:34:36.677265457 +0200
++++ b/langkit/templates/mains_project_file.mako	2020-06-09 09:35:30.569451995 +0200
+@@ -40,4 +40,7 @@
+       for Switches ("ada") use ("-E");
+    end Binder;
+
++   package Linker is
++      for Switches ("ada") use ("-lgnat", "-lgnarl");
++   end Linker;
+ end Mains;

dev-ada/langkit/langkit-2019-r1.ebuild

@@ -0,0 +1,52 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+PYTHON_COMPAT=( python2_7 )
+
+inherit python-single-r1 multiprocessing
+
+MYP=${P}-20190510-19B8C
+
+DESCRIPTION="A Python framework to generate language parsers"
+HOMEPAGE="https://www.adacore.com/community"
+SRC_URI="http://mirrors.cdn.adacore.com/art/5cdf8f8a31e87a8f1c967d31
+	-> ${MYP}-src.tar.gz"
+
+LICENSE="GPL-3"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+IUSE="test"
+RESTRICT="!test? ( test )"
+REQUIRED_USE="${PYTHON_REQUIRED_USE}"
+
+RDEPEND="${PYTHON_DEPS}
+	dev-ada/gnatcoll-bindings[iconv,shared]
+	dev-python/mako
+	dev-python/pyyaml
+	dev-python/enum34
+	dev-python/funcy
+	dev-python/docutils"
+
+DEPEND="${RDEPEND}
+	test? ( dev-ada/gnatcoll-bindings[gmp] )"
+
+S="${WORKDIR}"/${MYP}-src
+
+PATCHES=(
+	"${FILESDIR}"/${P}-gentoo.patch
+	"${FILESDIR}"/${P}-pyyaml.patch
+	"${FILESDIR}"/${P}-gnarl.patch
+)
+
+src_test() {
+	testsuite/testsuite.py -j $(makeopts_jobs) --show-error-output | tee testsuite.log
+	grep -q FAILED testsuite.log && die "Test failed"
+}
+
+src_install() {
+	default
+	python_domodule langkit
+	python_doscript scripts/create-project.py
+}