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# Copyright 1999-2019 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
EAPI=6
PYTHON_COMPAT=( python2_7 python3_{5,6} )
inherit cmake-utils flag-o-matic 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/clang_${PV}.tar.gz -> ${P}.src.tar.gz"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~amd64 ~x86"
LLVM_MAX_SLOT=5
RDEPEND="sys-devel/llvm:${LLVM_MAX_SLOT}
sys-devel/clang:${LLVM_MAX_SLOT}
${PYTHON_DEPS}
"
DEPEND="${RDEPEND}"
REQUIRED_USE=${PYTHON_REQUIRED_USE}
S=${WORKDIR}/${PN}-clang_${PV}
pkg_setup() {
llvm_pkg_setup
python-single-r1_pkg_setup
}
src_prepare() {
cmake-utils_src_prepare
python_fix_shebang .
}
src_configure() {
local mycmakeargs=(
-DIWYU_LLVM_INCLUDE_PATH=$(llvm-config --includedir)
-DIWYU_LLVM_LIB_PATH=$(llvm-config --libdir)
# 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-utils_src_configure
}
src_test() {
"${EPYTHON}" run_iwyu_tests.py
}
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