dev-util/include-what-you-use: add 0.20

Closes: https://bugs.gentoo.org/905199
Signed-off-by: Florian Schmaus <flow@gentoo.org>

2 files changed, 93 insertions, 0 deletions

diff --git a/dev-util/include-what-you-use/Manifest b/dev-util/include-what-you-use/Manifest
index 70e10aaf4ba5..75ee176c9b56 100644
--- a/dev-util/include-what-you-use/Manifest
+++ b/dev-util/include-what-you-use/Manifest
@@ -1,2 +1,3 @@
 DIST include-what-you-use-0.19-test-util-support-EXTRA_IWYU_ARGS.patch 2314 BLAKE2B d6c99aa59b52207ece610f8a8fe52ae967f3e027118c97f665b0a5d21782d85d94658ece1e0ae0e2d86cdcb94a345f072fdbda495caf589b045a8be38bf56f99 SHA512 2ecd6afc2de5ff85c8a6609b151d7d1e50a985e5c52db9b298ce21bad94a3bafb7b939fcd3b3cec0b753e83ba9ea256f628fbda16837ee6b3c3f1d2ec664d4d9
 DIST include-what-you-use-0.19.tar.gz 757761 BLAKE2B 09dfe686db78973059039f878029cda8dea9912127cf7ed9ddc123abe14459e670304fd531760afbebedee8c4992d15add18b75f9b62dc2d9c4b0f4edb8e0a1d SHA512 0847ae898696b51540ab9f5715e69bae67db42409d60205227d543ba6597b12cc2ea5bf68a3315c31f22e7186e05c06a86f5ae5b893c23bfe4cd9ef6f06ccddc
+DIST include-what-you-use-0.20.tar.gz 766208 BLAKE2B 54ae7ab18afc592bae201e551377a22d9439cb38418197836aef9d7a74d84ec7cca81ae155358504af9520a07d513e78e61ed7bcf55028f3b56aaa6e949f950b SHA512 77195dc36338a37d3397c78701d81e52fc1c6a3441979fa016f154b0fc860598959e6430e78a51bbf9049f6b2bb62956e50f5531ac5c94c6554e2383ace540f5
diff --git a/dev-util/include-what-you-use/include-what-you-use-0.20.ebuild b/dev-util/include-what-you-use/include-what-you-use-0.20.ebuild
new file mode 100644
index 000000000000..f91d37114fcd
--- /dev/null
+++ b/dev-util/include-what-you-use/include-what-you-use-0.20.ebuild
@@ -0,0 +1,92 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{9..11} )
+
+inherit cmake llvm python-single-r1
+
+DESCRIPTION="Find unused include directives in C/C++ programs"
+HOMEPAGE="https://include-what-you-use.org/"
+SRC_URI="
+	https://github.com/${PN}/${PN}/archive/${PV}.tar.gz -> ${P}.tar.gz
+	https://github.com/include-what-you-use/include-what-you-use/commit/62e5e2e35380e46ccbff2c2ed118f8bb5c01755b.patch
+		-> ${PN}-0.19-test-util-support-EXTRA_IWYU_ARGS.patch
+"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~arm64 ~x86"
+
+LLVM_MAX_SLOT=16
+
+RDEPEND="
+	sys-devel/clang:${LLVM_MAX_SLOT}
+	sys-devel/llvm:${LLVM_MAX_SLOT}
+	${PYTHON_DEPS}
+"
+DEPEND="${RDEPEND}"
+
+REQUIRED_USE="${PYTHON_REQUIRED_USE}"
+
+PATCHES=(
+	# https://github.com/include-what-you-use/include-what-you-use/pull/1252
+	"${DISTDIR}"/${PN}-0.19-test-util-support-EXTRA_IWYU_ARGS.patch
+	"${FILESDIR}"/${PN}-0.19-tests-cxx-badinc.cc-remove-stddef-from-expected.patch
+)
+
+llvm_check_deps() {
+	has_version "sys-devel/clang:${LLVM_SLOT}"
+}
+
+pkg_setup() {
+	llvm_pkg_setup
+	python-single-r1_pkg_setup
+}
+
+src_prepare() {
+	cmake_src_prepare
+	python_fix_shebang .
+}
+
+src_configure() {
+	local mycmakeargs=(
+		# Note [llvm install path]
+		# Unfortunately all binaries using clang driver
+		# have to reside at the same path depth as
+		# 'clang' binary itself. See bug #625972
+		# Thus as a hack we install it to the same directory
+		# as llvm/clang itself.
+		-DCMAKE_INSTALL_PREFIX="$(get_llvm_prefix "${LLVM_MAX_SLOT}")"
+	)
+	cmake_src_configure
+}
+
+src_test() {
+	local clang_version=$(best_version sys-devel/clang:${LLVM_MAX_SLOT})
+	clang_version=${clang_version#*/*-} # reduce it to ${PV}-${PR}
+	clang_version=${clang_version%%[_-]*} # main version without beta/pre/patch/revision
+
+	local clang_include_dir_candidates=(
+		"${ESYSROOT}/usr/lib/clang/${clang_version}/include"
+		"${ESYSROOT}/usr/lib/clang/${LLVM_MAX_SLOT}/include"
+	)
+
+	local candidate_dir
+	for candidate_dir in "${clang_include_dir_candidates[@]}"; do
+		if [[ -d "${candidate_dir}" ]]; then
+			local clang_include_dir="${candidate_dir}"
+			break
+		fi
+	done
+
+	if [[ ! -v clang_include_dir ]]; then
+		die "Could not infer clang include directory. Candidates: ${clang_include_dir_candidates[*]}"
+	fi
+
+	local -x EXTRA_IWYU_ARGS="-I ${clang_include_dir}"
+	"${EPYTHON}" run_iwyu_tests.py \
+				 -- "${BUILD_DIR}"/bin/${PN} \
+		|| die "Tests failed with $? (using ${EPYTHON})"
+}