summaryrefslogtreecommitdiff
blob: 6e2e7051b81adcadde92b6b4f7d450e7e8bb83a2 (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
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
# Copyright 1999-2017 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

EAPI=5

PYTHON_COMPAT=( python2_7 )
inherit eutils check-reqs flag-o-matic multilib pax-utils prefix \
	python-any-r1 toolchain-funcs

DESCRIPTION="Low Level Virtual Machine"
HOMEPAGE="http://llvm.org/"
SRC_URI="http://llvm.org/releases/${PV}/${P}.src.tar.xz
	clang? ( http://llvm.org/releases/${PV}/compiler-rt-${PV}.src.tar.xz
		http://llvm.org/releases/${PV}/cfe-${PV}.src.tar.xz )
	https://dev.gentoo.org/~voyageur/distfiles/${PN}-3.6.1-manpages.tar.bz2"

# Additional licenses:
# 1. OpenBSD regex: Henry Spencer's license ('rc' in Gentoo) + BSD.
# 2. ARM backend: LLVM Software Grant by ARM.
# 3. MD5 code: public-domain.
# 4. autoconf (not installed): some undefined M.I.T. license.
# 5. Tests (not installed):
#  a. gtest: BSD.
#  b. YAML tests: MIT.

LICENSE="UoI-NCSA rc BSD public-domain"
SLOT="0/3.6"
KEYWORDS="~ppc-macos ~x64-macos ~x86-macos"
IUSE="clang +libffi"

COMMON_DEPEND="
	sys-libs/zlib:0=
	libffi? ( >=virtual/libffi-3.0.13-r1:0= )"
# configparser-3.2 breaks the build (3.3 or none at all are fine)
DEPEND="${COMMON_DEPEND}
	app-arch/xz-utils
	dev-lang/perl
	>=sys-devel/make-3.81
	>=sys-devel/flex-2.5.4
	>=sys-devel/bison-1.875d
	|| ( >=sys-devel/gcc-apple-4.2.1 >=sys-devel/llvm-3.3 )
	>=sys-devel/binutils-apple-5.1
	libffi? ( virtual/pkgconfig )
	!!<dev-python/configparser-3.3.0.2
	${PYTHON_DEPS}"
RDEPEND="${COMMON_DEPEND}
	clang? ( !<=sys-devel/clang-${PV}-r99
		!>=sys-devel/clang-9999 )"
PDEPEND="clang? ( =sys-devel/clang-${PV}-r100 )"

S=${WORKDIR}/${P}.src

check_space() {
	# in megs
	# !clang !debug !multitarget -O2       400
	# !clang !debug  multitarget -O2       550
	#  clang !debug !multitarget -O2       950
	#  clang !debug  multitarget -O2      1200
	# !clang  debug  multitarget -O2      5G
	#  clang !debug  multitarget -O0 -g  12G
	#  clang  debug  multitarget -O2     16G
	#  clang  debug  multitarget -O0 -g  14G

	local build_size=550
	use clang && build_size=1200

	if is-flagq '-g?(gdb)?([1-9])'; then
		ewarn "The C++ compiler -g option is known to increase the size of the package"
		ewarn "considerably. If you run out of space, please consider removing it."
		ewarn

		(( build_size *= 10 ))
	fi

	local CHECKREQS_DISK_BUILD=${build_size}M
	check-reqs_pkg_pretend

	if [[ ${MERGE_TYPE} != binary ]]; then
		echo 'int main() {return 0;}' > "${T}"/test.cxx || die
		ebegin "Trying to build a C++11 test program"
		if ! $(tc-getCXX) -std=c++11 -o /dev/null "${T}"/test.cxx; then
			eerror "LLVM-${PV} requires C++11-capable C++ compiler. Your current compiler"
			eerror "does not seem to support -std=c++11 option. Please upgrade your compiler"
			eerror "to gcc-4.7 or an equivalent version supporting C++11."
			die "Currently active compiler does not support -std=c++11"
		fi
		eend ${?}
	fi
}

pkg_pretend() {
	check_space
}

pkg_setup() {
	check_space
}

src_unpack() {
	default

	rm -f "${S}"/tools/clang "${S}"/projects/compiler-rt \
		|| die "symlinks removal failed"

	if use clang; then
		mv "${WORKDIR}"/cfe-${PV/_}.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"
	fi
}

src_prepare() {
	epatch "${FILESDIR}"/3.6.2/nodoctargz.patch
	epatch "${FILESDIR}"/3.6.2/gcc-4.9.patch
	epatch "${FILESDIR}"/3.6.2/gentoo-install.patch

	if use clang; then
		# Automatically select active system GCC's libraries, bugs #406163 and #417913
		epatch "${FILESDIR}"/3.8.1/clang/gentoo-runtime-gcc-detection-v3.patch

		epatch "${FILESDIR}"/3.7.1/clang/gentoo-install.patch
		epatch "${FILESDIR}"/3.9.1/clang/darwin_prefix-include-paths.patch
		eprefixify tools/clang/lib/Frontend/InitHeaderSearch.cpp

		# Fix build fails with using gcc-4.9 on Gentoo/FreeBSD, bug #548444
		epatch "${FILESDIR}"/3.6.2/clang/fbsd-gcc49.patch
	fi

	if use prefix && use clang; then
		sed -i -e "/^CFLAGS /s@-Werror@-I${EPREFIX}/usr/include@" \
			projects/compiler-rt/make/platform/clang_*.mk || die
	fi

	# disable use of SDK on OSX, bug #568758
	sed -i -e 's/xcrun/false/' utils/lit/lit/util.py || die

	local sub_files=(
		Makefile.config.in
		Makefile.rules
		tools/llvm-config/llvm-config.cpp
	)
	use clang && sub_files+=(
		tools/clang/lib/Driver/Tools.cpp
		tools/clang/tools/scan-build/scan-build
	)

	# unfortunately ./configure won't listen to --mandir and the-like, so take
	# care of this.
	# note: we're setting the main libdir intentionally.
	# where per-ABI is appropriate, we use $(GENTOO_LIBDIR) make.
	einfo "Fixing install dirs"
	sed -e "s,@libdir@,$(get_libdir),g" \
		-e "s,@PF@,${PF},g" \
		-e "s,@EPREFIX@,${EPREFIX},g" \
		-i "${sub_files[@]}" \
		|| die "install paths sed failed"

	if use clang; then
		# constantly fails for a long time, likely due to our patches
		rm tools/clang/test/Driver/cross-linux.c || die
	fi

	# User patches
	epatch_user

	python_setup
}

src_configure() {
	# disable timestamps since they confuse ccache
	local conf_flags=(
		--disable-timestamps
		--enable-keep-symbols
		--enable-shared
		--with-optimize-option=
		--enable-optimized
		--disable-assertions
		--disable-expensive-checks
		--disable-libedit
		--disable-terminfo
		$(use_enable libffi)

		--enable-bindings=none
		--enable-targets=host

		ac_cv_prog_XML2CONFIG=""
	)

	if use libffi; then
		local CPPFLAGS=${CPPFLAGS}
		append-cppflags "$($(tc-getPKG_CONFIG) --cflags libffi)"
	fi

	# Enable large file support, bug #550708
	append-lfs-flags
	# llvm prefers clang over gcc, so we may need to force that
	tc-export CC CXX

	ECONF_SOURCE=${S} \
	econf "${conf_flags[@]}"
}

src_compile() {
	LLVM_MAKEARGS=(
		VERBOSE=1
		REQUIRES_RTTI=1
		GENTOO_LIBDIR=$(get_libdir)
	)

	emake "${LLVM_MAKEARGS[@]}"

	pax-mark m Release/bin/llvm-rtdyld
	pax-mark m Release/bin/lli
	pax-mark m Release/bin/lli-child-target
}

src_install() {
	emake "${LLVM_MAKEARGS[@]}" DESTDIR="${D}" install

	if ! use clang; then
		rm "${WORKDIR}"/${PN}-3.6.1-manpages/clang.1 || die
	else
		for tool in clang{,++} ; do
			dosym ${tool} /usr/bin/${CHOST}-${tool}
		done
	fi
	doman "${WORKDIR}"/${PN}-3.6.1-manpages/*.1

	# Fix install_names on Darwin.  The build system is too complicated
	# to just fix this, so we correct it post-install
	local lib= f= odylib= ndylib= libpv=${PV}
	if [[ ${CHOST} == *-darwin* ]] ; then
		eval $(grep PACKAGE_VERSION= configure)
		[[ -n ${PACKAGE_VERSION} ]] && libpv=${PACKAGE_VERSION}
		libpvminor=${libpv%.[0-9]*}
		for lib in lib{EnhancedDisassembly,LLVM-${libpv},LTO,profile_rt,clang}.dylib LLVMHello.dylib clang/${libpv}/lib/darwin/libclang_rt.asan_{osx,iossim}_dynamic.dylib; do
			# libEnhancedDisassembly is Darwin10 only, so non-fatal
			# + omit clang libs if not enabled
			[[ -f ${ED}/usr/lib/${lib} ]] || continue

			ebegin "fixing install_name of $lib"
			install_name_tool \
				-id "${EPREFIX}"/usr/lib/${lib} \
				"${ED}"/usr/lib/${lib}
			eend $?
		done
		for f in "${ED}"/usr/bin/* "${ED}"/usr/lib/lib*.dylib "${ED}"/usr/lib/clang/${libpv}/lib/darwin/*.dylib ; do
			# omit clang libs if not enabled
			[[ -f "${f}" ]] || continue

			scanmacho -BF'%n#f' "${f}" | tr ',' '\n' | \
			while read odylib ; do
				ndylib=
				case ${odylib} in
					*/libclang.dylib)
						ndylib="${EPREFIX}"/usr/lib/libclang.dylib
						;;
					*/libLLVM-${libpv}.dylib)
						ndylib="${EPREFIX}"/usr/lib/libLLVM-${libpv}.dylib
						;;
					*/libLLVM-${libpvminor}.dylib)
						ndylib="${EPREFIX}"/usr/lib/libLLVM-${libpvminor}.dylib
						;;
					*/libLTO.dylib)
						ndylib="${EPREFIX}"/usr/lib/libLTO.dylib
						;;
				esac
				if [[ -n ${ndylib} ]] ; then
					ebegin "fixing install_name reference to ${odylib} of ${f##*/}"
					install_name_tool \
						-change "${odylib}" "${ndylib}" \
						"${f}"
					eend $?
				fi
			done
		done
	fi
}