blob: a48b4738680e0e9ff4b353615e7e057f961c4dac (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
# Copyright 1999-2016 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$
EAPI=6
: ${CMAKE_MAKEFILE_GENERATOR:=ninja}
CMAKE_MIN_VERSION=3.4.3
PYTHON_COMPAT=( python2_7 )
# TODO: fix unnecessary dep on Python upstream
inherit cmake-utils flag-o-matic git-r3 python-any-r1 toolchain-funcs
DESCRIPTION="Compiler runtime library for clang (built-in part)"
HOMEPAGE="http://llvm.org/"
SRC_URI=""
EGIT_REPO_URI="http://llvm.org/git/compiler-rt.git
https://github.com/llvm-mirror/compiler-rt.git"
LICENSE="|| ( UoI-NCSA MIT )"
SLOT="0/${PV%.*}"
KEYWORDS=""
IUSE="test"
RDEPEND="
!<sys-devel/llvm-4.0"
DEPEND="${RDEPEND}
~sys-devel/llvm-${PV}
test? ( ~sys-devel/clang-${PV} )
${PYTHON_DEPS}"
test_compiler() {
$(tc-getCC) ${CFLAGS} ${LDFLAGS} "${@}" -o /dev/null -x c - \
<<<'int main() { return 0; }' &>/dev/null
}
src_configure() {
# pre-set since we need to pass it to cmake
BUILD_DIR=${WORKDIR}/${P}_build
if ! test_compiler; then
local extra_flags=( -nodefaultlibs -lc )
if test_compiler "${extra_flags[@]}"; then
local -x LDFLAGS="${LDFLAGS} ${extra_flags[*]}"
ewarn "${CC} seems to lack runtime, trying with ${extra_flags[*]}"
fi
fi
local clang_version=4.0.0
local libdir=$(get_libdir)
local mycmakeargs=(
# used to find cmake modules
-DLLVM_LIBDIR_SUFFIX="${libdir#lib}"
-DCOMPILER_RT_INSTALL_PATH="${EPREFIX}/usr/lib/clang/${clang_version}"
# use a build dir structure consistent with install
# this makes it possible to easily deploy test-friendly clang
-DCOMPILER_RT_OUTPUT_DIR="${BUILD_DIR}/lib/clang/${clang_version}"
# currently lit covers only sanitizer tests
-DCOMPILER_RT_INCLUDE_TESTS=OFF
-DCOMPILER_RT_BUILD_SANITIZERS=OFF
-DCOMPILER_RT_BUILD_XRAY=OFF
)
cmake-utils_src_configure
}
src_test() {
# prepare a test compiler
local clang_version=4.0.0
local sys_dir=( "${EPREFIX}/usr/lib/clang/${clang_version}/lib"/* )
[[ -e ${sys_dir} ]] || die "Unable to find ${sys_dir}"
[[ ${#sys_dir[@]} -eq 1 ]] || die "Non-deterministic compiler-rt install: ${sys_dir[@]}"
# copy clang over since resource_dir is located relatively to binary
# therefore, we can put our new libraries in it
mkdir -p "${BUILD_DIR}"/{bin,$(get_libdir),lib/clang/"${clang_version}"/include} || die
cp "${EPREFIX}/usr/bin/clang" "${EPREFIX}/usr/bin/clang++" \
"${BUILD_DIR}"/bin/ || die
cp "${EPREFIX}/usr/lib/clang/${clang_version}/include"/*.h \
"${BUILD_DIR}/lib/clang/${clang_version}/include/" || die
# builtins are not converted to lit yet, so run them manually
local tests=() f
cd "${S}"/test/builtins/Unit || die
while read -r -d '' f; do
# ppc subdir is unmaintained and lacks proper guards
# (and ppc builtins do not seem to be used anyway)
[[ ${f} == ./ppc/* ]] && continue
# these are special
[[ ${f} == ./cpu_model_test.c ]] && continue
[[ ${f} == ./gcc_personality_test.c ]] && continue
# unsupported
[[ ${f} == ./trampoline_setup_test.c ]] && continue
tests+=( "${f%.c}" )
done < <(find -name '*.c' -print0)
{
echo "check: ${tests[*]/#/check-}" &&
echo ".PHONY: check ${tests[*]/#/check-}" &&
for f in "${tests[@]}"; do
echo "check-${f}: ${f}" &&
echo " ${f}"
done
} > Makefile || die
# use -k to run all tests even if some fail
emake -k \
CC="${BUILD_DIR}/bin/clang" \
CFLAGS='' \
CPPFLAGS='-I../../../lib/builtins' \
LDFLAGS='-rtlib=compiler-rt' \
LDLIBS='-lm'
}
src_install() {
cmake-utils_src_install
# includes are mistakenly installed for all sanitizers and xray
rm -rf "${ED}"usr/lib/clang/*/include || die
}
|
