summaryrefslogtreecommitdiff
blob: db2756789691863879afb7aeba4614293ec73ee6 (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
# Copyright 1999-2016 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$

EAPI="5"

inherit eutils flag-o-matic toolchain-funcs

LD64=ld64-264.3.101
CCTOOLS_VERSION=886
CCTOOLS=cctools-${CCTOOLS_VERSION}
LIBUNWIND=libunwind-35.3
DYLD=dyld-360.18

DESCRIPTION="Darwin assembler as(1) and static linker ld(1), Xcode Tools ${PV}"
HOMEPAGE="http://www.opensource.apple.com/darwinsource/"
SRC_URI="http://www.opensource.apple.com/tarballs/ld64/${LD64}.tar.gz
	http://www.opensource.apple.com/tarballs/cctools/${CCTOOLS}.tar.gz
	http://www.opensource.apple.com/tarballs/dyld/${DYLD}.tar.gz
	http://www.opensource.apple.com/tarballs/libunwind/${LIBUNWIND}.tar.gz
	http://dev.gentoo.org/~grobian/distfiles/${PN}-patches-4.3-r1.tar.bz2
	http://dev.gentoo.org/~grobian/distfiles/${PN}-patches-5.1-r2.tar.bz2
	http://dev.gentoo.org/~grobian/distfiles/${PN}-patches-6.1-r1.tar.bz2
	http://dev.gentoo.org/~grobian/distfiles/${PN}-patches-6.3-r1.tar.bz2
	http://dev.gentoo.org/~grobian/distfiles/${PN}-patches-7.0-r2.tar.bz2
	http://dev.gentoo.org/~grobian/distfiles/${PN}-patches-7.2-r0.tar.bz2
	http://dev.gentoo.org/~grobian/distfiles/${PN}-patches-7.3-r0.tar.bz2"

LICENSE="APSL-2"
KEYWORDS="~ppc-macos ~x64-macos ~x86-macos"
IUSE="lto test multitarget"

# ld64 can now only be compiled using llvm and libc++ since it massivley uses
# C++11 language fatures. *But additionally* the as driver now defaults to
# calling clang as the assembler on many platforms. This can be disabled using
# -Wa,-Q but since it's default we make llvm a static runtime dependency.
RDEPEND="sys-devel/binutils-config
	lto? ( app-arch/xar )
	sys-devel/llvm
	sys-libs/libcxx"
DEPEND="${RDEPEND}
	test? ( >=dev-lang/perl-5.8.8 )"

SLOT="7"

S=${WORKDIR}

is_cross() { [[ ${CHOST} != ${CTARGET} ]] ; }

src_prepare() {
	if use multitarget ; then
		ewarn "You have enabled support for non-standard target architectures"
		ewarn "using USE=multitarget. This includes experimental support for"
		ewarn "ppc and ppc64 which is a community forward-port from the last"
		ewarn "version of ld64 to officially support PPC."

		if [[ ${CHOST} == powerpc*-darwin* ]] ; then
			ewarn "HERE BE DRAGONS! Your system seems to be PPC which means that"
			ewarn "the actual usability of your Gentoo programs will depend on the"
			ewarn "above-mentioned experimental PPC support in the linker. Be"
			ewarn "sure to keep a known-to-work version like ${PN}-3.2.6 around!"
		fi
	fi

	cd "${S}"/${LD64}/src
	cp "${S}"/ld64-136-compile_stubs.h ld/compile_stubs.h
	cp "${S}"/ld64-264.3.101-Makefile Makefile

	epatch "${S}"/ld64-264.3.101-nolto.patch
	epatch "${S}"/ld64-241.9-extraneous-includes.patch
	epatch "${S}"/ld64-241.9-osatomic.patch
	epatch "${S}"/ld64-236.3-crashreporter.patch
	epatch "${S}"/ld64-264.3.101-nosnapshots.patch
	epatch "${S}"/ld64-264.3.101-ppc.patch
	epatch "${S}"/ld64-264.3.101-constant-types.patch
	epatch "${S}"/ld64-241.9-register-names.patch
	epatch "${S}"/ld64-241.9-get-comm-align.patch
	epatch "${S}"/ld64-241.9-cc_md5.patch

	# provide missing headers from libunwind and dyld
	mkdir -p include/{mach,mach-o/arm} || die
	# never present because it's private
	cp ../../${DYLD}/include/mach-o/dyld_priv.h include/mach-o || die
	# missing on <= 10.5
	cp ../../${LIBUNWIND}/include/libunwind.h include/ || die
	cp ../../${LIBUNWIND}/include/mach-o/compact_unwind_encoding.h include/mach-o || die
	# missing on <= 10.4
	cp ../../${DYLD}/include/mach-o/dyld_images.h include/mach-o || die
	cp ../../${CCTOOLS}/include/mach-o/loader.h include/mach-o || die
	# use copies from cctools because they're otherwise hidden in some SDK
	cp ../../${CCTOOLS}/include/mach-o/arm/reloc.h include/mach-o/arm || die
	# provide all required CPU_TYPEs on all platforms
	cp ../../${CCTOOLS}/include/mach/machine.h include/mach/machine.h
	# add alias for newer identifiers, because ld64 uses both but cctools
	# header only defines the older
	epatch "${S}"/ld64-236.3-missing-cputypes.patch

	# mimic OS X Leopard-style Availability.h macros for libunwind.h on
	# older systems
	[[ ${CHOST} == *darwin* && ${CHOST#*-darwin} -le 8 ]] && \
		echo "#define __OSX_AVAILABLE_STARTING(x,y)  " > include/Availability.h

	local VER_STR="\"@(#)PROGRAM:ld  PROJECT:${LD64} (Gentoo ${PN}-${PVR})\\n\""
	echo "char ldVersionString[] = ${VER_STR};" > version.cpp

	epatch "${S}"/ld64-123.2-debug-backtrace.patch
	if [[ ${CHOST} == powerpc*-darwin* ]] ; then
		epatch "${S}"/ld64-123.2-darwin8-no-mlong-branch-warning.patch
		epatch "${S}"/ld64-127.2-thread_state.patch
	fi

	cd "${S}"/${CCTOOLS}
	epatch "${S}"/${PN}-4.5-as.patch
	epatch "${S}"/${PN}-5.1-as-dir.patch
	epatch "${S}"/${PN}-5.1-ranlib.patch
	epatch "${S}"/${PN}-3.1.1-libtool-ranlib.patch
	epatch "${S}"/${PN}-3.1.1-no-headers.patch
	epatch "${S}"/${PN}-4.0-no-oss-dir.patch
	epatch "${S}"/cctools-839-intel-retf.patch
	epatch "${S}"/${PN}-5.1-extraneous-includes.patch
	#epatch "${S}"/${PN}-5.1-otool-stdc.patch
	epatch "${S}"/${PN}-5.1-constant-types.patch
	epatch "${S}"/${PN}-5.1-strnlen.patch
	epatch "${S}"/${PN}-5.1-ppc.patch
	epatch "${S}"/${PN}-5.1-thread-state-redefined.patch
	epatch "${S}"/${PN}-7.3-make-j.patch
	epatch "${S}"/${PN}-7.0-lto-prefix-2.patch
	epatch "${S}"/${PN}-7.0-clang-as.patch
	epatch "${S}"/${PN}-7.3-nolto.patch
	epatch "${S}"/${PN}-7.3-nollvm.patch
	epatch "${S}"/${PN}-7.3-no-developertools-dir.patch
	cp ../${LD64}/src/other/prune_trie.h include/mach-o/ || die

	# do not build profileable libstuff to save compile time
	sed -i -e "/^all:/s, profile , ," libstuff/Makefile

	# cctools version is provided to make via RC_ProjectSourceVersion which
	# generates and compiles it as apple_version[] into libstuff. From
	# there it's picked up by the individual tools. Since
	# RC_ProjectSourceVersion is also used as library version, we can't
	# just append our local version info. So we hack the libstuff Makefile
	# to include our Gentoo version.
	sed -i -e "/cctools-.*(RC_ProjectSourceVersion).*OFILE_DIR/s,Version),Version) (Gentoo ${PN}-${PVR})," \
		libstuff/Makefile

	# clean up test suite
	cd "${S}"/${LD64}/unit-tests/test-cases
	local c

	# we don't have llvm
	((++c)); rm -rf llvm-integration;

	# we don't have dtrace
	((++c)); rm -rf dtrace-static-probes-coalescing;
	((++c)); rm -rf dtrace-static-probes;

	# a file is missing
	((++c)); rm -rf eh-coalescing-r

	# we don't do universal binaries
	((++c)); rm -rf blank-stubs;

	# looks like a problem with apple's result-filter.pl
	((++c)); rm -rf implicit-common3;
	((++c)); rm -rf order_file-ans;

	# TODO no idea what goes wrong here
	((++c)); rm -rf dwarf-debug-notes;

	einfo "Deleted $c tests that were bound to fail"

	cd "${S}"
	ebegin "cleaning Makefiles from unwanted CFLAGS"
	find . -name "Makefile" -print0 | xargs -0 sed \
		-i \
		-e 's/ -g / /g' \
		-e 's/^G =.*$/G =/' \
		-e 's/^OFLAG =.*$/OFLAG =/' \
		-e 's/install -c -s/install/g'
	eend $?
}

src_configure() {
	ENABLE_LTO=0
	use lto && ENABLE_LTO=1

	export CTARGET=${CTARGET:-${CHOST}}
	if [[ ${CTARGET} == ${CHOST} ]] ; then
		if [[ ${CATEGORY} == cross-* ]] ; then
			export CTARGET=${CATEGORY#cross-}
		fi
	fi

	LIBPATH=/usr/$(get_libdir)/binutils/${CTARGET}/${PV}
	INCPATH=${LIBPATH}/include
	DATAPATH=/usr/share/binutils-data/${CTARGET}/${PV}
	if is_cross ; then
		BINPATH=/usr/${CHOST}/${CTARGET}/binutils-bin/${PV}
	else
		BINPATH=/usr/${CTARGET}/binutils-bin/${PV}
	fi

	# CPPFLAGS only affects ld64, cctools don't use 'em (which currently is
	# what we want)
	append-cppflags -DNDEBUG

	# Block API and thus snapshots supported on >= 10.6
	[[ ${CHOST} == *darwin* && ${CHOST#*-darwin} -ge 10 ]] && \
		append-cppflags -DSUPPORT_SNAPSHOTS

	CCTOOLS_OFLAG=
	if [[ ${CHOST} == *darwin* && ${CHOST#*-darwin} -le 8 ]] ; then
		# cctools expect to use UNIX03 struct member names.
		# This is default on > 10.4. Activate it on <= 10.4 by defining
		# __DARWIN_UNIX03 explicitly.
		CCTOOLS_OFLAG="-D__DARWIN_UNIX03=1"
	fi

	# if compiling with USE multitarget, extract all the known arches from
	# create_configure and pass them back to it
	creco=${LD64}/src/create_configure
	ARCHS_TO_SUPPORT=""
	if use multitarget ; then
		ARCHS_TO_SUPPORT="$(grep KNOWN_ARCHS= $creco | \
			cut -d\" -f2 | tr ',' ' ')"
	fi

	# Create configure.h for ld64 with SUPPORT_ARCH_<arch> defines in it.
	DERIVED_FILE_DIR=${LD64}/src \
		RC_SUPPORTED_ARCHS="$ARCHS_TO_SUPPORT" \
		$creco

	# do not depend on MachOFileAbstraction.hpp to define
	# SUPPORT_ARCH_arm_any because that's not included by every file where
	# our ppc/arm-optional patch uses it, ld.hpp in particular
	grep "SUPPORT_ARCH_armv[0-9]" ${LD64}/src/configure.h >/dev/null && \
		echo "#define SUPPORT_ARCH_arm_any 1" >> ${LD64}/src/configure.h
}

compile_ld64() {
	einfo "building ${LD64}"
	cd "${S}"/${LD64}/src
	emake \
		LTO=${ENABLE_LTO} \
		|| die "emake failed for ld64"
	use test && emake build_test
}

compile_cctools() {
	einfo "building ${CCTOOLS}"
	cd "${S}"/${CCTOOLS}
	# Suppress running dsymutil because it will warn about missing debug
	# info which is expected when compiling without -g as we normally do.
	# This might need some more thought if anyone ever wanted to build us
	# for debugging with Apple's tools.
	emake \
		LIB_PRUNETRIE="-L../../${LD64}/src -lprunetrie" \
		EFITOOLS= \
		LTO="${ENABLE_LTO}" \
		LTO_LIBDIR=../../../lib \
		COMMON_SUBDIRS='libstuff ar misc otool' \
		SUBDIRS_32= \
		LEGACY= \
		RC_ProjectSourceVersion=${CCTOOLS_VERSION} \
		RC_CFLAGS="${CFLAGS}" \
		OFLAG="${CCTOOLS_OFLAG}" \
		DSYMUTIL=": disabled: dsymutil" \
		|| die "emake failed for the cctools"
	cd "${S}"/${CCTOOLS}/as
	emake \
		BUILD_OBSOLETE_ARCH= \
		RC_ProjectSourceVersion=${CCTOOLS_VERSION} \
		RC_CFLAGS="-DASLIBEXECDIR=\"\\\"${EPREFIX}${LIBPATH}/\\\"\" -DCLANGDIR=\"\\\"${EPREFIX}/usr/bin/\\\"\" ${CFLAGS}" \
		OFLAG="${CCTOOLS_OFLAG}" \
		DSYMUTIL=": disabled: dsymutil" \
		|| die "emake failed for as"
}

src_compile() {
	compile_ld64
	compile_cctools
}

install_ld64() {
	exeinto ${BINPATH}
	doexe "${S}"/${LD64}/src/{ld64,rebase,dyldinfo,unwinddump,ObjectDump}
	dosym ld64 ${BINPATH}/ld
	insinto ${DATAPATH}/man/man1
	doins "${S}"/${LD64}/doc/man/man1/{ld,ld64,rebase}.1
}

install_cctools() {
	cd "${S}"/${CCTOOLS}
	emake install_all_but_headers \
		EFITOOLS= \
		COMMON_SUBDIRS='ar misc otool' \
		SUBDIRS_32= \
		DSTROOT=\"${D}\" \
		BINDIR=\"${EPREFIX}\"${BINPATH} \
		LOCBINDIR=\"${EPREFIX}\"${BINPATH} \
		USRBINDIR=\"${EPREFIX}\"${BINPATH} \
		LOCLIBDIR=\"${EPREFIX}\"${LIBPATH} \
		MANDIR=\"${EPREFIX}\"${DATAPATH}/man/
	cd "${S}"/${CCTOOLS}/as
	emake install \
		BUILD_OBSOLETE_ARCH= \
		DSTROOT=\"${D}\" \
		USRBINDIR=\"${EPREFIX}\"${BINPATH} \
		LIBDIR=\"${EPREFIX}\"${LIBPATH} \
		LOCLIBDIR=\"${EPREFIX}\"${LIBPATH}

	# upstream is starting to replace classic binutils with llvm-integrated
	# ones. nm and size are now symlinks to llvm-{nm,size} while the classic
	# version is preserved as {nm,size}-classic. (BTW: otool is a symlink to
	# otool-classic for now but a wrapper llvm-otool that is calling
	# llvm-objdump is present already.)
	# Since our binutils do not live in the same directory as the llvm
	# installation, we have to rewrite the symlinks to the llvm tools.
	# This also means, that these tools still appear to be versioned via
	# binutils-config but actually always run the currently installed llvm
	# tool.
	for tool in nm size ; do
		# ${EPREFIX}/usr/x86_64-apple-darwin15/binutils-bin/7.3/$tool
		# -> ${EPREFIX}/bin/llvm-$tool
		ln -sfn ../../../bin/llvm-$tool "${D}/${EPREFIX}/${BINPATH}/$tool"
	done

	cd "${ED}"${BINPATH}
	insinto ${DATAPATH}/man/man1
	local skips manpage
	# ar brings an up-to-date manpage with it
	skips=( ar )
	for bin in *; do
		for skip in ${skips[@]}; do
			if [[ ${bin} == ${skip} ]]; then
				continue 2;
			fi
		done
		manpage=${S}/${CCTOOLS}/man/${bin}.1
		if [[ -f "${manpage}" ]]; then
			doins "${manpage}"
		fi
	done
	insinto ${DATAPATH}/man/man5
	doins "${S}"/${CCTOOLS}/man/*.5
}

src_test() {
	if ! [ "${EPREFIX}"/usr/bin/clang ] ; then
		einfo "Test suite only works properly with clang - please install"
		return
	fi

	einfo "Running unit tests"
	cd "${S}"/${LD64}/unit-tests/test-cases
	# provide the new ld as a symlink to clang so that -ccc-install-dir
	# will pick it up
	ln -sfn ../../src/ld64 ld
	# use our arch command because the System's will report i386 even for an
	# x86_64 prefix
	perl ../bin/make-recursive.pl \
		BUILT_PRODUCTS_DIR="${S}"/${LD64}/src \
		ARCH="$(arch)" \
		LD="${S}"/${LD64}/src/ld64 \
		CC="${CC} -ccc-install-dir $PWD" \
		CXX="${CXX} -ccc-install-dir $PWD" \
		OTOOL="${S}"/${CCTOOLS}/otool/otool.NEW \
		| perl ../bin/result-filter.pl
}

src_install() {
	install_ld64
	install_cctools

	cd "${S}"
	insinto /etc/env.d/binutils
	cat <<-EOF > env.d
		TARGET="${CHOST}"
		VER="${PV}"
		FAKE_TARGETS="${CHOST}"
	EOF
	newins env.d ${CHOST}-${PV}
}

pkg_postinst() {
	binutils-config ${CHOST}-${PV}
}