summaryrefslogtreecommitdiff
blob: bb02942c5af499f0510eaf6d835cc7bf50e5edc7 (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
# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Id$

EAPI="3"

inherit eutils toolchain flag-o-matic autotools prefix

GCC_VERS=${PV/_p*/}
APPLE_VERS="${PV/*_p/}"
DESCRIPTION="Apple branch of the GNU Compiler Collection, Developer Tools 3.2.3"
HOMEPAGE="https://gcc.gnu.org"
SRC_URI="http://www.opensource.apple.com/darwinsource/tarballs/other/gcc-${APPLE_VERS}.tar.gz
		http://www.opensource.apple.com/darwinsource/tarballs/other/libstdcxx-16.tar.gz
		http://www.opensource.apple.com/darwinsource/tarballs/other/libstdcxx-39.tar.gz
		fortran? ( mirror://gnu/gcc/gcc-4.2.4/gcc-fortran-4.2.4.tar.bz2 )"
LICENSE="GPL-2 GPL-3"

case ${CHOST} in
	*-darwin1*|i?86-*-darwin9|powerpc-*-darwin9)
		LIBSTDCXX_APPLE_VERSION=39
	;;
	*)
		# pre Leopard has no dtrace, which is required by 37.11 and above
		# Leopard only has 32-bits version of dtrace
		LIBSTDCXX_APPLE_VERSION=16
	;;
esac

if is_crosscompile; then
	SLOT="${CTARGET}-42"
else
	SLOT="42"
fi

KEYWORDS="~ppc-macos ~x64-macos ~x86-macos"

IUSE="fortran nls +openmp objc objc++ +cxx"

RDEPEND=">=sys-libs/zlib-1.1.4
	>=sys-libs/ncurses-5.2-r2
	nls? ( sys-devel/gettext )
	>=sys-devel/gcc-config-1.3.12-r4
	fortran? (
		>=dev-libs/gmp-4.2.1
		>=dev-libs/mpfr-2.2.0_p10
	)"
DEPEND="${RDEPEND}
	>=sys-apps/texinfo-4.2-r4
	>=sys-devel/bison-1.875
	${CATEGORY}/binutils-apple
	>=dev-libs/mpfr-2.2.0_p10"

S=${WORKDIR}/gcc-${APPLE_VERS}

# TPREFIX is the prefix of the CTARGET installation
export TPREFIX=${TPREFIX:-${EPREFIX}}

LIBPATH=${EPREFIX}/usr/lib/gcc/${CTARGET}/${GCC_VERS}
if is_crosscompile ; then
	BINPATH=${EPREFIX}/usr/${CHOST}/${CTARGET}/gcc-bin/${GCC_VERS}
else
	BINPATH=${EPREFIX}/usr/${CTARGET}/gcc-bin/${GCC_VERS}
fi
STDCXX_INCDIR=${LIBPATH}/include/g++-v${GCC_VERS/\.*/}

src_unpack() {
	# override toolchain.eclass func
	unpack ${A}
}

src_prepare() {
	# Support for fortran
	if use fortran ; then
		mv "${WORKDIR}"/gcc-4.2.4/gcc/fortran gcc/ || die
		mv "${WORKDIR}"/gcc-4.2.4/libgfortran . || die
		# from: substracted from http://r.research.att.com/tools/
		epatch "${FILESDIR}"/${PN}-4.2.1_p5646-gfortran.patch
	fi

	# move in libstdc++
	mv "${WORKDIR}"/libstdcxx-${LIBSTDCXX_APPLE_VERSION}/libstdcxx/libstdc++-v3 .
	if [[ ${LIBSTDCXX_APPLE_VERSION} == 16 ]] ; then
		epatch "${FILESDIR}"/libstdc++-${LIBSTDCXX_APPLE_VERSION}.patch # does it apply on 37?
		sed -i -e 's/__block\([^_]\)/__blk\1/g' \
			libstdc++-v3/include/ext/mt_allocator.h \
			libstdc++-v3/src/mt_allocator.cc || die "conflict fix failed"
	fi

	# we use our libtool
	sed -i -e "s:/usr/bin/libtool:${EPREFIX}/usr/bin/${CTARGET}-libtool:" \
		gcc/config/darwin.h || die "sed gcc/config/darwin.h failed"
	# add prefixed Frameworks to default search paths (may want to change this
	# in a cross-compile)
	sed -i -e "/\"\/System\/Library\/Frameworks\"\,/i\ \   \"${EPREFIX}/Frameworks\"\, " \
		gcc/config/darwin-c.c || die "sed  gcc/config/darwin-c.c failed"

	# Workaround deprecated "+Nc" syntax for GNU tail(1)
	sed -i -e "s:tail +16c:tail -c +16:g" \
		gcc/Makefile.in || die "sed gcc/Makefile.in failed."

	epatch "${FILESDIR}"/${PN}-4.0.1_p5465-default-altivec.patch

	# dsymutil stuff breaks on 10.4/x86, revert it
	[[ ${CHOST} == *86*-apple-darwin8 ]] && \
		epatch "${FILESDIR}"/${PN}-${GCC_VERS}-dsymutil.patch

	# bootstrapping might fail with host provided gcc on 10.4/x86
	if ! is_crosscompile && ! echo "int main(){return 0;}" | gcc -o "${T}"/foo \
		-mdynamic-no-pic -x c - >/dev/null 2>&1;
	then
		einfo "-mdynamic-no-pic doesn't work - disabling..."
		echo "BOOT_CFLAGS=-g -O2" > config/mh-x86-darwin
		XD=gcc/config/i386/x-darwin
		awk 'BEGIN{x=1}{if ($0 ~ "use -mdynamic-no-pic to build x86")
		{x=1-x} else if (x) print}' $XD > t && mv t $XD \
			|| die "Failed to rewrite $XD"
	fi

	epatch "${FILESDIR}"/${PN}-4.2.1-prefix-search-dirs.patch
	eprefixify "${S}"/gcc/gcc.c

	if use !bootstrap ; then
		# this only occurs with up-to-date tools from the Prefix, and actually
		# breaks the bootstrap since the autoconf needs a very recent automake
		epatch "${FILESDIR}"/${PN}-${GCC_VERS}-texinfo.patch
		epatch "${FILESDIR}"/${PN}-${GCC_VERS}-autoconf-m4-precious.patch
		cd "${S}"/gcc && eautoconf
		cd "${S}"/libgomp && eautoconf
	fi

	local BRANDING_GCC_PKGVERSION="$(sed -n -e '/^#define VERSUFFIX/s/^[^"]*"\([^"]\+\)".*$/\1/p' "${S}"/gcc/version.c)"
	BRANDING_GCC_PKGVERSION=${BRANDING_GCC_PKGVERSION/(/(Gentoo ${PVR}, }
	einfo "patching gcc version: ${GCC_VERS}${BRANDING_GCC_PKGVERSION}"

	sed -i -e "s~VERSUFFIX \"[^\"]*~VERSUFFIX \"${BRANDING_GCC_PKGVERSION}~" \
		"${S}"/gcc/version.c || die "failed to update VERSUFFIX with Gentoo branding"
	sed -i -e 's~developer\.apple\.com\/bugreporter~bugs\.gentoo\.org\/~' \
		"${S}"/gcc/version.c || die "Failed to change the bug URL"
}

src_configure() {
	local langs="c"
	use cxx && langs="${langs},c++"
	use objc && langs="${langs},objc"
	use objc++ && langs="${langs/,objc/},objc,obj-c++" # need objc with objc++
	use fortran && langs="${langs},fortran"

	local myconf="${myconf} \
		--prefix=${EPREFIX}/usr \
		--bindir=${BINPATH} \
		--includedir=${LIBPATH}/include \
		--datadir=${EPREFIX}/usr/share/gcc-data/${CTARGET}/${GCC_VERS} \
		--mandir=${EPREFIX}/usr/share/gcc-data/${CTARGET}/${GCC_VERS}/man \
		--infodir=${EPREFIX}/usr/share/gcc-data/${CTARGET}/${GCC_VERS}/info \
		--with-gxx-include-dir=${STDCXX_INCDIR} \
		--host=${CHOST}
		--enable-version-specific-runtime-libs"

	if is_crosscompile ; then
		# Straight from the GCC install doc:
		# "GCC has code to correctly determine the correct value for target
		# for nearly all native systems. Therefore, we highly recommend you
		# not provide a configure target when configuring a native compiler."
		myconf="${myconf} --target=${CTARGET}"

		# Tell compiler where to find what it needs
		myconf="${myconf} --with-sysroot=${EPREFIX}/usr/${CTARGET}"

		# Set this to something sane for both native and target
		CFLAGS="-O2 -pipe"

		local VAR="CFLAGS_"${CTARGET//-/_}
		CXXFLAGS=${!VAR}
	fi
	[[ -n ${CBUILD} ]] && myconf="${myconf} --build=${CBUILD}"

	# Native Language Support
	if use nls ; then
		myconf="${myconf} --enable-nls --without-included-gettext"
	else
		myconf="${myconf} --disable-nls"
	fi

	# reasonably sane globals (hopefully)
	myconf="${myconf} \
		--with-system-zlib \
		--disable-checking \
		--disable-werror"

	# ???
	myconf="${myconf} --enable-shared --enable-threads=posix"

	# make clear we're in an offset
	use prefix && myconf="${myconf} --with-local-prefix=${TPREFIX}/usr"

	# we don't use a GNU linker, so tell GCC where to find the linker stuff we
	# want it to use
	myconf="${myconf} \
		--with-as=${EPREFIX}/usr/bin/${CTARGET}-as \
		--with-ld=${EPREFIX}/usr/bin/${CTARGET}-ld"

	# make sure we never do multilib stuff, for that we need a different Prefix
	[[ -z ${I_KNOW_WHAT_IM_DOING_I_WANT_APPLE_MULTILIB} ]] \
		&& myconf="${myconf} --disable-multilib"

	myconf="${myconf} --enable-languages=${langs} $(use_enable openmp libgomp)"

	# The produced libgcc_s.dylib is faulty if using a bit too much
	# optimisation.  Nail it down to something sane
	CFLAGS="-O2 -pipe"
	CXXFLAGS=${CFLAGS}

	# https://gcc.gnu.org/ml/gcc-patches/2006-11/msg00765.html
	# (won't hurt if already 64-bits, but is essential when coming from a
	# multilib compiler -- the default)
	[[ ${CTARGET} == powerpc64-* || ${CTARGET} == x86_64-* ]] && \
		export CC="gcc -m64"

	mkdir -p "${WORKDIR}"/build
	cd "${WORKDIR}"/build
	einfo "Configuring GCC with: ${myconf//--/\n\t--}"
	"${S}"/configure ${myconf} || die "conf failed"
}

src_compile() {
	cd "${WORKDIR}"/build || die
	emake bootstrap || die "emake failed"
}

src_install() {
	cd "${WORKDIR}"/build
	# -jX doesn't work
	emake -j1 DESTDIR="${D}" install || die

	# Punt some tools which are really only useful while building gcc
	find "${ED}" -name install-tools -prune -type d -exec rm -rf "{}" \;
	# This one comes with binutils
	find "${ED}" -name libiberty.a -exec rm -f "{}" \;

	# Basic sanity check
	if ! is_crosscompile ; then
		local EXEEXT
		eval $(grep ^EXEEXT= "${WORKDIR}"/build/gcc/config.log)
		[[ -r ${D}${BINPATH}/gcc${EXEEXT} ]] || die "gcc not found in ${ED}"
	fi

	# create gcc-config entry
	dodir /etc/env.d/gcc
	local gcc_envd_base="/etc/env.d/gcc/${CHOST}-${GCC_VERS}"

	gcc_envd_file="${ED}${gcc_envd_base}"

	# phase PATH/ROOTPATH out ...
	echo "PATH=\"${BINPATH}\"" > ${gcc_envd_file}
	echo "ROOTPATH=\"${BINPATH}\"" >> ${gcc_envd_file}
	echo "GCC_PATH=\"${BINPATH}\"" >> ${gcc_envd_file}

	# we don't do multilib
	LDPATH="${LIBPATH}"
	echo "LDPATH=\"${LDPATH}\"" >> ${gcc_envd_file}
	echo "MANPATH=\"${EPREFIX}/usr/share/gcc-data/${CHOST}/${GCC_VERS}/man\"" >> ${gcc_envd_file}
	echo "INFOPATH=\"${EPREFIX}/usr/share/gcc-data/${CHOST}/${GCC_VERS}/info\"" >> ${gcc_envd_file}
	echo "STDCXX_INCDIR=\"g++-v${GCC_VERS/\.*/}\"" >> ${gcc_envd_file}
	is_crosscompile && echo "CTARGET=${CTARGET}" >> ${gcc_envd_file}

	# Move <cxxabi.h> to compiler-specific directories
	[[ -f ${D}${STDCXX_INCDIR}/cxxabi.h ]] && \
		mv -f "${D}"${STDCXX_INCDIR}/cxxabi.h "${D}"${LIBPATH}/include/

	# These should be symlinks
	dodir /usr/bin
	cd "${D}"${BINPATH}
	for x in cpp gcc g++ c++ g77 gcj gcjh gfortran ; do
		# For some reason, g77 gets made instead of ${CTARGET}-g77...
		# this should take care of that
		[[ -f ${x} ]] && mv ${x} ${CTARGET}-${x}

		if [[ -f ${CTARGET}-${x} ]] && ! is_crosscompile ; then
			ln -sf ${CTARGET}-${x} ${x}

			# Create version-ed symlinks
			dosym ${BINPATH#${EPREFIX}}/${CTARGET}-${x} \
				/usr/bin/${CTARGET}-${x}-${GCC_VERS}
			dosym ${BINPATH#${EPREFIX}}/${CTARGET}-${x} \
				/usr/bin/${x}-${GCC_VERS}
		fi

		if [[ -f ${CTARGET}-${x}-${GCC_VERS} ]] ; then
			rm -f ${CTARGET}-${x}-${GCC_VERS}
			ln -sf ${CTARGET}-${x} ${CTARGET}-${x}-${GCC_VERS}
		fi
	done

	# I do not know if this will break gcj stuff, so I'll only do it for
	#	objc for now; basically "ffi.h" is the correct file to include,
	#	but it gets installed in .../GCCVER/include and yet it does
	#	"#include <ffitarget.h>" which (correctly, as it's an "extra" file)
	#	is installed in .../GCCVER/include/libffi; the following fixes
	#	ffi.'s include of ffitarget.h - Armando Di Cianno <fafhrd@gentoo.org>
	if [[ -d ${D}${LIBPATH}/include/libffi ]] ; then
		mv -i "${D}"${LIBPATH}/include/libffi/* "${D}"${LIBPATH}/include || die
		rm -r "${D}"${LIBPATH}/include/libffi || die
	fi

	# Now do the fun stripping stuff
	env RESTRICT="" CHOST=${CHOST} prepstrip "${D}${BINPATH}"
	env RESTRICT="" CHOST=${CTARGET} prepstrip "${D}${LIBPATH}"
	# gcc used to install helper binaries in lib/ but then moved to libexec/
	[[ -d ${ED}/usr/libexec/gcc ]] && \
		env RESTRICT="" CHOST=${CHOST} prepstrip "${ED}/usr/libexec/gcc/${CTARGET}/${GCC_VERS}"

	# prune empty dirs left behind
	find "${ED}" -type d | xargs rmdir >& /dev/null
}

pkg_postinst() {
	# beware this also switches when it's on another branch version of GCC
	gcc-config ${CTARGET}-${GCC_VERS}
}

pkg_postrm() {
	# clean up the cruft left behind by cross-compilers
	if is_crosscompile ; then
		if [[ -z $(ls "${EROOT}"/etc/env.d/gcc/${CTARGET}* 2>/dev/null) ]] ; then
			rm -f "${EROOT}"/etc/env.d/gcc/config-${CTARGET}
			rm -f "${EROOT}"/etc/env.d/??gcc-${CTARGET}
			rm -f "${EROOT}"/usr/bin/${CTARGET}-{gcc,{g,c}++}{,32,64}
		fi
		return 0
	fi
}