summaryrefslogtreecommitdiff
blob: dadffa56bfe42d4bb61de2c7afbf1245bd4386c4 (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
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
# Copyright 1999-2014 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/sys-devel/clang/clang-3.2.ebuild,v 1.9 2014/03/31 21:20:04 mgorny Exp $

EAPI=5

PYTHON_COMPAT=( python{2_6,2_7} pypy pypy2_0 )

inherit eutils multilib python-r1

DESCRIPTION="C language family frontend for LLVM"
HOMEPAGE="http://clang.llvm.org/"
# Fetching LLVM as well: see http://llvm.org/bugs/show_bug.cgi?id=4840
SRC_URI="http://llvm.org/releases/${PV}/llvm-${PV}.src.tar.gz
	http://llvm.org/releases/${PV}/compiler-rt-${PV}.src.tar.gz
	http://llvm.org/releases/${PV}/${P}.src.tar.gz"

LICENSE="UoI-NCSA"
SLOT="0/${PV}"
KEYWORDS="~amd64 ~arm ~x86 ~amd64-fbsd ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos"
IUSE="debug kernel_FreeBSD multitarget python +static-analyzer test"

DEPEND="static-analyzer? ( dev-lang/perl )
	${PYTHON_DEPS}"
RDEPEND="~sys-devel/llvm-${PV}[debug=,multitarget=]
	${PYTHON_DEPS}"

S=${WORKDIR}/llvm-${PV}.src

src_prepare() {
	rm -f "${S}"/tools/clang "${S}"/projects/compiler-rt \
		|| die "symlinks removal failed"
	mv "${WORKDIR}"/${P}.src "${S}"/tools/clang \
		|| die "clang source directory move failed"
	mv "${WORKDIR}"/compiler-rt-${PV}.src "${S}"/projects/compiler-rt \
		|| die "compiler-rt source directory move failed"

	# Same as llvm doc patches
	epatch "${FILESDIR}"/${PN}-2.7-fixdoc.patch

	# multilib-strict
	sed -e "/PROJ_headers/s#lib/clang#$(get_libdir)/clang#" \
		-i tools/clang/lib/Headers/Makefile \
		|| die "clang Makefile failed"
	sed -e "/PROJ_resources/s#lib/clang#$(get_libdir)/clang#" \
		-i tools/clang/runtime/compiler-rt/Makefile \
		|| die "compiler-rt Makefile failed"
	# fix the static analyzer for in-tree install
	sed -e 's/import ScanView/from clang \0/'  \
		-i tools/clang/tools/scan-view/scan-view \
		|| die "scan-view sed failed"
	sed -e "/scanview.css\|sorttable.js/s#\$RealBin#${EPREFIX}/usr/share/${PN}#" \
		-i tools/clang/tools/scan-build/scan-build \
		|| die "scan-build sed failed"
	# Set correct path for gold plugin
	sed -e "/LLVMgold.so/s#lib/#$(get_libdir)/llvm/#" \
		-i  tools/clang/lib/Driver/Tools.cpp \
		|| die "gold plugin path sed failed"

	# From llvm src_prepare
	einfo "Fixing install dirs"
	sed -e 's,^PROJ_docsdir.*,PROJ_docsdir := $(PROJ_prefix)/share/doc/'${PF}, \
		-e 's,^PROJ_etcdir.*,PROJ_etcdir := '"${EPREFIX}"'/etc/llvm,' \
		-e 's,^PROJ_libdir.*,PROJ_libdir := $(PROJ_prefix)/'$(get_libdir)/llvm, \
		-i Makefile.config.in || die "Makefile.config sed failed"

	einfo "Fixing rpath and CFLAGS"
	sed -e 's,\$(RPATH) -Wl\,\$(\(ToolDir\|LibDir\)),$(RPATH) -Wl\,'"${EPREFIX}"/usr/$(get_libdir)/llvm, \
		-e '/OmitFramePointer/s/-fomit-frame-pointer//' \
		-i Makefile.rules || die "rpath sed failed"

	# Use system llc (from llvm ebuild) for tests
	sed -e "/^llc_props =/s/os.path.join(llvm_tools_dir, 'llc')/'llc'/" \
		-i tools/clang/test/lit.cfg  || die "test path sed failed"

	# Automatically select active system GCC's libraries, bugs #406163 and #417913
	epatch "${FILESDIR}"/${PN}-3.1-gentoo-runtime-gcc-detection-v3.patch

	# Fix search paths on FreeBSD, bug #409269
	epatch "${FILESDIR}"/${PN}-3.1-gentoo-freebsd-fix-lib-path.patch

	# Fix regression caused by removal of USE=system-cxx-headers, bug #417541
	# Needs to be updated for 3.2
	#epatch "${FILESDIR}"/${PN}-3.1-gentoo-freebsd-fix-cxx-paths-v2.patch

	# User patches
	epatch_user
}

src_configure() {
	local CONF_FLAGS="--enable-shared
		--with-optimize-option=
		$(use_enable !debug optimized)
		$(use_enable debug assertions)
		$(use_enable debug expensive-checks)"

	# Setup the search path to include the Prefix includes
	if use prefix ; then
		CONF_FLAGS="${CONF_FLAGS} \
			--with-c-include-dirs=${EPREFIX}/usr/include:/usr/include"
	fi

	if use multitarget; then
		CONF_FLAGS="${CONF_FLAGS} --enable-targets=all"
	else
		CONF_FLAGS="${CONF_FLAGS} --enable-targets=host,cpp"
	fi

	if use amd64; then
		CONF_FLAGS="${CONF_FLAGS} --enable-pic"
	fi

	# build with a suitable Python version
	python_export_best

	# clang prefers clang over gcc, so we may need to force that
	tc-export CC CXX
	econf ${CONF_FLAGS}
}

src_compile() {
	emake VERBOSE=1 KEEP_SYMBOLS=1 REQUIRES_RTTI=1 clang-only
}

src_test() {
	cd "${S}"/tools/clang || die "cd clang failed"

	echo ">>> Test phase [test]: ${CATEGORY}/${PF}"

	if ! emake -j1 VERBOSE=1 test; then
		has test $FEATURES && die "Make test failed. See above for details."
		has test $FEATURES || eerror "Make test failed. See above for details."
	fi
}

src_install() {
	cd "${S}"/tools/clang || die "cd clang failed"
	emake KEEP_SYMBOLS=1 DESTDIR="${D}" install

	if use static-analyzer ; then
		dobin tools/scan-build/ccc-analyzer
		dosym ccc-analyzer /usr/bin/c++-analyzer
		dobin tools/scan-build/scan-build

		insinto /usr/share/${PN}
		doins tools/scan-build/scanview.css
		doins tools/scan-build/sorttable.js
	fi

	python_inst() {
		if use static-analyzer ; then
			pushd tools/scan-view >/dev/null || die

			python_doscript scan-view

			touch __init__.py || die
			python_moduleinto clang
			python_domodule __init__.py Reporter.py Resources ScanView.py startfile.py

			popd >/dev/null || die
		fi

		if use python ; then
			pushd bindings/python/clang >/dev/null || die

			python_moduleinto clang
			python_domodule __init__.py cindex.py enumerations.py

			popd >/dev/null || die
		fi

		# AddressSanitizer symbolizer (currently separate)
		python_doscript "${S}"/projects/compiler-rt/lib/asan/scripts/asan_symbolize.py
	}
	python_foreach_impl python_inst

	# Fix install_names on Darwin.  The build system is too complicated
	# to just fix this, so we correct it post-install
	if [[ ${CHOST} == *-darwin* ]] ; then
		for lib in libclang.dylib ; do
			ebegin "fixing install_name of $lib"
			install_name_tool -id "${EPREFIX}"/usr/lib/llvm/${lib} \
				"${ED}"/usr/lib/llvm/${lib}
			eend $?
		done
		for f in usr/bin/{c-index-test,clang} usr/lib/llvm/libclang.dylib ; do
			ebegin "fixing references in ${f##*/}"
			install_name_tool \
				-change "@rpath/libclang.dylib" \
					"${EPREFIX}"/usr/lib/llvm/libclang.dylib \
				-change "@executable_path/../lib/libLLVM-${PV}.dylib" \
					"${EPREFIX}"/usr/lib/llvm/libLLVM-${PV}.dylib \
				-change "${S}"/Release/lib/libclang.dylib \
					"${EPREFIX}"/usr/lib/llvm/libclang.dylib \
				"${ED}"/$f
			eend $?
		done
	fi

	# Remove unnecessary headers on FreeBSD, bug #417171
	use kernel_FreeBSD && rm "${ED}"usr/$(get_libdir)/clang/${PV}/include/{arm_neon,std,float,iso,limits,tgmath,varargs}*.h
}