summaryrefslogtreecommitdiff
blob: b2ed25696c7662a27f034e46918e9d839635d1ce (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
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
# Copyright 1999-2015 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$

EAPI=5

: ${CMAKE_MAKEFILE_GENERATOR:=ninja}
PYTHON_COMPAT=( python2_7 pypy )

inherit check-reqs cmake-utils eutils flag-o-matic multilib \
	multilib-minimal python-r1 toolchain-funcs pax-utils

DESCRIPTION="Low Level Virtual Machine"
HOMEPAGE="http://llvm.org/"
SRC_URI="http://llvm.org/pre-releases/${PV/_rc*}/${PV/3.7.0_}/${P/_}.src.tar.xz
	clang? ( http://llvm.org/pre-releases/${PV/_rc*}/${PV/3.7.0_}/compiler-rt-${PV/_}.src.tar.xz
		http://llvm.org/pre-releases/${PV/_rc*}/${PV/3.7.0_}/cfe-${PV/_}.src.tar.xz
		http://llvm.org/pre-releases/${PV/_rc*}/${PV/3.7.0_}/clang-tools-extra-${PV/_}.src.tar.xz )
	lldb? ( http://llvm.org/pre-releases/${PV/_rc*}/${PV/3.7.0_}/lldb-${PV/_}.src.tar.xz )"
#	!doc? ( http://dev.gentoo.org/~voyageur/distfiles/${P/_rc*}-manpages.tar.bz2 )"

LICENSE="UoI-NCSA"
SLOT="0/${PV}"
KEYWORDS=""
IUSE="clang debug +doc gold libedit +libffi lldb multitarget ncurses ocaml
	python +static-analyzer test xml video_cards_radeon kernel_Darwin"

COMMON_DEPEND="
	sys-libs/zlib:0=
	clang? (
		python? ( ${PYTHON_DEPS} )
		static-analyzer? (
			dev-lang/perl:*
			${PYTHON_DEPS}
		)
		xml? ( dev-libs/libxml2:2= )
	)
	gold? ( >=sys-devel/binutils-2.22:*[cxx] )
	libedit? ( dev-libs/libedit:0=[${MULTILIB_USEDEP}] )
	libffi? ( >=virtual/libffi-3.0.13-r1:0=[${MULTILIB_USEDEP}] )
	ncurses? ( >=sys-libs/ncurses-5.9-r3:5=[${MULTILIB_USEDEP}] )
	ocaml? (
		dev-lang/ocaml:0=
		dev-ml/findlib
		dev-ml/ocaml-ctypes )"
# configparser-3.2 breaks the build (3.3 or none at all are fine)
DEPEND="${COMMON_DEPEND}
	dev-lang/perl
	>=sys-devel/make-3.81
	>=sys-devel/flex-2.5.4
	>=sys-devel/bison-1.875d
	|| ( >=sys-devel/gcc-3.0 >=sys-devel/llvm-3.5
		( >=sys-freebsd/freebsd-lib-9.1-r10 sys-libs/libcxx )
	)
	|| ( >=sys-devel/binutils-2.18 >=sys-devel/binutils-apple-5.1 )
	kernel_Darwin? ( sys-libs/libcxx )
	clang? ( xml? ( virtual/pkgconfig ) )
	doc? ( dev-python/sphinx )
	libffi? ( virtual/pkgconfig )
	lldb? ( dev-lang/swig )
	!!<dev-python/configparser-3.3.0.2
	ocaml? ( test? ( dev-ml/ounit ) )
	${PYTHON_DEPS}"
RDEPEND="${COMMON_DEPEND}
	clang? ( !<=sys-devel/clang-${PV}-r99 )
	abi_x86_32? ( !<=app-emulation/emul-linux-x86-baselibs-20130224-r2
		!app-emulation/emul-linux-x86-baselibs[-abi_x86_32(-)] )"
PDEPEND="clang? ( =sys-devel/clang-${PV}-r100 )"

# pypy gives me around 1700 unresolved tests due to open file limit
# being exceeded. probably GC does not close them fast enough.
REQUIRED_USE="${PYTHON_REQUIRED_USE}
	lldb? ( clang )
	test? ( || ( $(python_gen_useflags 'python*') ) )"

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

pkg_pretend() {
	# 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 use debug; then
		ewarn "USE=debug is known to increase the size of package considerably"
		ewarn "and cause the tests to fail."
		ewarn

		(( build_size *= 14 ))
	elif 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

	# Multiply by number of ABIs :).
	local abis=( $(multilib_get_enabled_abis) )
	(( build_size *= ${#abis[@]} ))

	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_setup() {
	pkg_pretend
}

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"
		mv "${WORKDIR}"/clang-tools-extra-${PV/_}.src "${S}"/tools/clang/tools/extra \
			|| die "clang-tools-extra source directory move failed"
	fi

	if use lldb; then
		mv "${WORKDIR}"/lldb-${PV/_}.src "${S}"/tools/lldb \
			|| die "lldb source directory move failed"
	fi
}

src_prepare() {
	# Make ocaml warnings non-fatal, bug #537308
	sed -e "/RUN/s/-warn-error A//" -i test/Bindings/OCaml/*ml  || die

	# Make it possible to override Sphinx HTML install dirs
	# https://llvm.org/bugs/show_bug.cgi?id=23780
	epatch "${FILESDIR}"/cmake/0002-cmake-Support-overriding-Sphinx-HTML-doc-install-dir.patch

	# Prevent race conditions with parallel Sphinx runs
	# https://llvm.org/bugs/show_bug.cgi?id=23781
	epatch "${FILESDIR}"/cmake/0003-cmake-Add-an-ordering-dep-between-HTML-man-Sphinx-ta.patch

	# Prevent installing libgtest
	# https://llvm.org/bugs/show_bug.cgi?id=18341
	epatch "${FILESDIR}"/cmake/0004-cmake-Do-not-install-libgtest.patch

	if use clang; then
		# Automatically select active system GCC's libraries, bugs #406163 and #417913
		epatch "${FILESDIR}"/clang-3.5-gentoo-runtime-gcc-detection-v3.patch

		epatch "${FILESDIR}"/clang-3.6-gentoo-install.patch

		sed -i -e "s^@EPREFIX@^${EPREFIX}^" \
			tools/clang/tools/scan-build/scan-build || die

		# Install clang runtime into /usr/lib/clang
		# https://llvm.org/bugs/show_bug.cgi?id=23792
		epatch "${FILESDIR}"/cmake/clang-0001-Install-clang-runtime-into-usr-lib-without-suffix.patch
		epatch "${FILESDIR}"/cmake/compiler-rt-0001-cmake-Install-compiler-rt-into-usr-lib-without-suffi.patch

		# Make it possible to override CLANG_LIBDIR_SUFFIX
		# (that is used only to find LLVMgold.so)
		# https://llvm.org/bugs/show_bug.cgi?id=23793
		epatch "${FILESDIR}"/cmake/clang-0002-cmake-Make-CLANG_LIBDIR_SUFFIX-overridable.patch

		# Workaround bug #553416 until upstream fixes it
		epatch "${FILESDIR}"/clang-3.7-strip_doc_refs.patch
	fi

	if use lldb; then
		# Do not install dummy readline.so module from
		# https://llvm.org/bugs/show_bug.cgi?id=18841
		sed -e 's/add_subdirectory(readline)/#&/' \
			-i tools/lldb/scripts/Python/modules/CMakeLists.txt || die
	fi

	# User patches
	epatch_user

	python_setup

	# Native libdir is used to hold LLVMgold.so
	NATIVE_LIBDIR=$(get_libdir)
}

multilib_src_configure() {
	local targets
	if use multitarget; then
		targets=all
	else
		targets='host;CppBackend'
		use video_cards_radeon && targets+=';AMDGPU'
	fi

	local ffi_cflags ffi_ldflags
	if use libffi; then
		ffi_cflags=$(pkg-config --cflags-only-I libffi)
		ffi_ldflags=$(pkg-config --libs-only-L libffi)
	fi

	local libdir=$(get_libdir)
	local mycmakeargs=(
		"${mycmakeargs[@]}"
		-DLLVM_LIBDIR_SUFFIX=${libdir#lib}

		-DBUILD_SHARED_LIBS=ON
		-DLLVM_ENABLE_TIMESTAMPS=OFF
		-DLLVM_TARGETS_TO_BUILD="${targets}"
		-DLLVM_BUILD_TESTS=$(usex test)

		-DLLVM_ENABLE_FFI=$(usex libffi)
		-DLLVM_ENABLE_TERMINFO=$(usex ncurses)
		-DLLVM_ENABLE_ASSERTIONS=$(usex debug)
		-DLLVM_ENABLE_EH=ON
		-DLLVM_ENABLE_RTTI=ON

		-DWITH_POLLY=OFF # TODO

		-DLLVM_HOST_TRIPLE="${CHOST}"

		-DFFI_INCLUDE_DIR="${ffi_cflags#-I}"
		-DFFI_LIBRARY_DIR="${ffi_ldflags#-L}"

		-DHAVE_HISTEDIT_H=$(usex libedit)
	)

	if use lldb; then
		mycmakeargs+=(
			-DLLDB_DISABLE_LIBEDIT=$(usex !libedit)
			-DLLDB_DISABLE_CURSES=$(usex !ncurses)
			-DLLDB_ENABLE_TERMINFO=$(usex ncurses)
		)
	fi

	if ! multilib_is_native_abi || ! use ocaml; then
		mycmakeargs+=(
			-DOCAMLFIND=NO
		)
	fi
#	Note: go bindings have no CMake rules at the moment
#	but let's kill the check in case they are introduced
#	if ! multilib_is_native_abi || ! use go; then
		mycmakeargs+=(
			-DGO_EXECUTABLE=GO_EXECUTABLE-NOTFOUND
		)
#	fi

	if multilib_is_native_abi; then
		mycmakeargs+=(
			-DLLVM_BUILD_DOCS=$(usex doc)
			-DLLVM_ENABLE_SPHINX=$(usex doc)
			-DLLVM_ENABLE_DOXYGEN=OFF
			-DLLVM_INSTALL_HTML="${EPREFIX}/usr/share/doc/${PF}/html"
		)

		if use clang; then
			mycmakeargs+=(
				-DCLANG_INSTALL_HTML="${EPREFIX}/usr/share/doc/${PF}/clang"
			)
		fi

		if use gold; then
			mycmakeargs+=(
				-DLLVM_BINUTILS_INCDIR="${EPREFIX}"/usr/include
			)
		fi

		if use lldb; then
			mycmakeargs+=(
				-DLLDB_DISABLE_PYTHON=$(usex !python)
			)
		fi

	else
		if use clang; then
			mycmakeargs+=(
				# disable compiler-rt on non-native ABI because:
				# 1. it fails to configure because of -m32
				# 2. it is shared between ABIs so no point building
				# it multiple times
				-DLLVM_EXTERNAL_COMPILER_RT_BUILD=OFF
				-DLLVM_EXTERNAL_CLANG_TOOLS_EXTRA_BUILD=OFF
			)
		fi
		if use lldb; then
			mycmakeargs+=(
				# only run swig on native abi
				-DLLDB_DISABLE_PYTHON=ON
			)
		fi
	fi

	if use clang; then
		mycmakeargs+=(
			-DCLANG_ENABLE_ARCMT=$(usex static-analyzer)
			-DCLANG_ENABLE_STATIC_ANALYZER=$(usex static-analyzer)
			-DCLANG_LIBDIR_SUFFIX="${NATIVE_LIBDIR#lib}"
		)

		# -- not needed when compiler-rt is built with host compiler --
		# cmake passes host C*FLAGS to compiler-rt build
		# which is performed using clang, so we need to filter out
		# some flags clang does not support
		# (if you know some more flags that don't work, let us know)
		#filter-flags -msahf -frecord-gcc-switches
	fi

	cmake-utils_src_configure
}

multilib_src_compile() {
	cmake-utils_src_compile

	pax-mark m "${BUILD_DIR}"/bin/llvm-rtdyld
	pax-mark m "${BUILD_DIR}"/bin/lli
	pax-mark m "${BUILD_DIR}"/bin/lli-child-target

	if use test; then
		pax-mark m "${BUILD_DIR}"/unittests/ExecutionEngine/Orc/OrcJITTests
		pax-mark m "${BUILD_DIR}"/unittests/ExecutionEngine/MCJIT/MCJITTests
		pax-mark m "${BUILD_DIR}"/unittests/Support/SupportTests
	fi
}

multilib_src_test() {
	# respect TMPDIR!
	local -x LIT_PRESERVES_TMP=1
	local test_targets=( check )
	# clang tests won't work on non-native ABI because we skip compiler-rt
	multilib_is_native_abi && use clang && test_targets+=( check-clang )
	cmake-utils_src_make "${test_targets[@]}"
}

src_install() {
	local MULTILIB_CHOST_TOOLS=(
		/usr/bin/llvm-config
	)

	local MULTILIB_WRAPPED_HEADERS=(
		/usr/include/llvm/Config/config.h
		/usr/include/llvm/Config/llvm-config.h
	)

	if use clang; then
		# note: magic applied in multilib_src_install()!
		CLANG_VERSION=${PN%.*}

		MULTILIB_CHOST_TOOLS+=(
			/usr/bin/clang
			/usr/bin/clang++
			/usr/bin/clang-cl
			/usr/bin/clang-${CLANG_VERSION}
			/usr/bin/clang++-${CLANG_VERSION}
			/usr/bin/clang-cl-${CLANG_VERSION}
		)

		MULTILIB_WRAPPED_HEADERS+=(
			/usr/include/clang/Config/config.h
		)
	fi

	multilib-minimal_src_install
}

multilib_src_install() {
	cmake-utils_src_install

	if multilib_is_native_abi; then
		# Install docs.
		#use doc && dohtml -r "${S}"/docs/_build/html/

		# Symlink the gold plugin.
		if use gold; then
			dodir "/usr/${CHOST}/binutils-bin/lib/bfd-plugins"
			dosym "../../../../$(get_libdir)/LLVMgold.so" \
				"/usr/${CHOST}/binutils-bin/lib/bfd-plugins/LLVMgold.so"
		fi
	fi

	# apply CHOST and CLANG_VERSION to clang executables
	# they're statically linked so we don't have to worry about the lib
	if use clang; then
		local clang_tools=( clang clang++ clang-cl )
		local i

		# cmake gives us:
		# - clang-X.Y
		# - clang -> clang-X.Y
		# - clang++, clang-cl -> clang
		# we want to have:
		# - clang-X.Y
		# - clang++-X.Y, clang-cl-X.Y -> clang-X.Y
		# - clang, clang++, clang-cl -> clang*-X.Y
		# so we need to fix the two tools
		for i in "${clang_tools[@]:1}"; do
			rm "${ED%/}/usr/bin/${i}" || die
			dosym "clang-${CLANG_VERSION}" "/usr/bin/${i}-${CLANG_VERSION}"
			dosym "${i}-${CLANG_VERSION}" "/usr/bin/${i}"
		done

		# now prepend ${CHOST} and let the multilib-build.eclass symlink it
		if ! multilib_is_native_abi; then
			# non-native? let's replace it with a simple wrapper
			for i in "${clang_tools[@]}"; do
				rm "${ED%/}/usr/bin/${i}-${CLANG_VERSION}" || die
				cat > "${T}"/wrapper.tmp <<-_EOF_
					#!${EPREFIX}/bin/sh
					exec "${i}-${CLANG_VERSION}" $(get_abi_CFLAGS) "\${@}"
				_EOF_
				newbin "${T}"/wrapper.tmp "${i}-${CLANG_VERSION}"
			done
		fi
	fi
}

multilib_src_install_all() {
	insinto /usr/share/vim/vimfiles
	doins -r utils/vim/*/
	# some users may find it useful
	dodoc utils/vim/vimrc

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

		if use static-analyzer ; then
			pushd tools/scan-build >/dev/null || die

			dobin ccc-analyzer scan-build
			dosym ccc-analyzer /usr/bin/c++-analyzer
			doman scan-build.1

			insinto /usr/share/llvm
			doins scanview.css sorttable.js

			popd >/dev/null || die
		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 *.py Resources

				popd >/dev/null || die
			fi

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

				python_moduleinto clang
				python_domodule *.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
		popd >/dev/null || die
	fi
}