Change gcclibs behavior to the standard prefix model.

Package-Manager: portage-2.2.14-prefix/cvs/Linux x86_64
Manifest-Sign-Key: 0x10FB016B

4 files changed, 439 insertions, 5 deletions

diff --git a/sys-devel/gcc-apple/ChangeLog b/sys-devel/gcc-apple/ChangeLog
index 3df27625ad70..1e30f21d10d8 100644
--- a/sys-devel/gcc-apple/ChangeLog
+++ b/sys-devel/gcc-apple/ChangeLog
@@ -1,6 +1,13 @@
 # ChangeLog for sys-devel/gcc-apple
 # Copyright 1999-2014 Gentoo Foundation; Distributed under the GPL v2
-# $Header: /var/cvsroot/gentoo-x86/sys-devel/gcc-apple/ChangeLog,v 1.28 2014/10/21 18:55:02 grobian Exp $
+# $Header: /var/cvsroot/gentoo-x86/sys-devel/gcc-apple/ChangeLog,v 1.29 2014/11/22 02:47:29 redlizard Exp $
+
+*gcc-apple-4.2.1_p5666-r2 (22 Nov 2014)
+
+  22 Nov 2014; redlizard <redlizard@gentoo.org>
+  +files/gcc-apple-4.2.1-prefix-search-dirs-r1.patch,
+  +gcc-apple-4.2.1_p5666-r2.ebuild:
+  Change gcclibs behavior to the standard prefix model.
 
   21 Oct 2014; Fabian Groffen <grobian@gentoo.org>
   files/gcc-apple-4.2.1_p5666-darwin14.patch,
diff --git a/sys-devel/gcc-apple/Manifest b/sys-devel/gcc-apple/Manifest
index 1962501928b2..c9ce8c728f7a 100644
--- a/sys-devel/gcc-apple/Manifest
+++ b/sys-devel/gcc-apple/Manifest
@@ -5,6 +5,7 @@ AUX gcc-apple-4.0.1_p5465-default-altivec.patch 1381 SHA256 699dfea402a5a2d80f83
 AUX gcc-apple-4.2.1-arch-option.patch 2151 SHA256 f7f7da2d46ec6dc8ab8cf8754994abf93db7a925f20f92433e2e3f0f49b15e85 SHA512 daa34b0db6b5ce46766628819b7234fd1310060d359bf088d5ab06f2aeef9f4fc33f403b428e105c7cecc6d4d3b823134ddc090cc0c44bd6650d3b6a65c58635 WHIRLPOOL 555e66197abe1b95c60281c6158eb1039883819b510c205de17aedc1b4a4f5b9bb6404e342a5df75520d09b3ca5d009a70abcb2970d8ca0d29fb323dbff7f84e
 AUX gcc-apple-4.2.1-autoconf-m4-precious.patch 339 SHA256 1e95837e5b60036fd8b1aad16c3b1847225320da40a3437736166a2f5bc0032a SHA512 3e10bdca6586cf2253d2d03467f5b14079a381089e29afc6bd14b7138a0f499f817401a11fe280368e0014cf9ed9229e134680b08da345690e1663be50b9b387 WHIRLPOOL 20215ea3b0a4106b836d4382fddb2acdd019ad1cd23c04f49ae0c08d4a735909b05ab72d42667c262188c6bf6700617838c5b4b27bd7c4148d769bc0b61b43c8
 AUX gcc-apple-4.2.1-dsymutil.patch 853 SHA256 bba3d9d406afe12f1fd55f7b91ab65c07d4a1b37401d711a0ea287104aa07040 SHA512 382a49d92f03772e71bbb5b31257187b3fd964583f4a1ab2a19a459f679d9dd48549813cb3ef03e6cbaf728c9e62162364d1dafb75257d85b687b7e356d580d0 WHIRLPOOL 0f2964ebd56dfdb5ad84bc465fb64cc0140c9ecbfc3eefa584ff06b2d1c8bfce8f09d2ab449628730813daf265d0e9dd1ea673d28b62670f9f3f1ad123e90fb4
+AUX gcc-apple-4.2.1-prefix-search-dirs-r1.patch 1587 SHA256 87cc753a3e125a04e2a3019c39b113a269c6801d1d14affd02f0cb0d2adc9901 SHA512 04ebd1b02ce022c4277988fabb7c198286bc9604ade70cf5d64a0296781a377b6c26ad8206da63d37ca1211537b4b8d31d7b06ae1fa3405f77f19ce01636156f WHIRLPOOL 37dee072631014a6ab90c14c1bbab3bf20a662fccf771e135c943a600796e3362c776ab09a745f872666f384f4fe57fbf5cdd203b3a935607eff4ad5c1de3d67
 AUX gcc-apple-4.2.1-prefix-search-dirs.patch 1053 SHA256 8f71661b144df92cd9a924b54cbd11a28de0b7ddc258a489bd1e1913e7d4a208 SHA512 0efdedb7a69b21732f254567f0593319f06ed25c12641d6df0219c5b1c90768494286affd98c02a726c82ffe0e27aa4548c9701981dc6a2eb8a0c3455b78a364 WHIRLPOOL 0df7f9cb80d692f93e88f073562d51658d251956ea53b1eb1a5d364fe961c22521436ea0429f711c9424ef6da47b945fafc64ffa42aa70d89c244c8442a75344
 AUX gcc-apple-4.2.1-texinfo.patch 1110 SHA256 1efd6ac46557feb01b7c28b214209ed3eab4714d91b6cbdf8701801ff53d545d SHA512 1b27fa076dffc80d4ea9cc2e209f4ef2cd31ba4f585b977c20a15432cb7a86f3bc76aa734cb328e5702309585e1c440ed33fd605b863e41c91d96268d1b6bf36 WHIRLPOOL 7b4a80716e02d212893291b69465aeab83dde2ff326497929fce040736f6fd8cd8efe3ce1272e039fc36b9a3780665653b7477ea8ab76595d349d84af26a19f6
 AUX gcc-apple-4.2.1_p5646-gfortran.patch 38284 SHA256 c909a792b4e3ea76cbba6d8aefd712ef98506bd4e3dd275a144e5ed272c2ae22 SHA512 94b1c7d343b780e52bbbbc213987feda7d8f7e083d7c338ab244e89e69ba5c2fc74a9695c5f38f273e4e50683ef67b4de85abd4aa0c5c2fe3a28f7bf275dbf3a WHIRLPOOL 12da437da136b1d581b075b86d7a1ae8687e56fd811e0fc4b650faf2831746466358d63d34309bee9ab4254dff4f861685ecb0f5a20697ad7e77afc7cd0d7ef4
@@ -20,12 +21,23 @@ DIST libstdcxx-39.tar.gz 117081330 SHA256 aad6c0b7aa80b8117af1868d502f7aa4d042e5
 EBUILD gcc-apple-4.0.1_p5493.ebuild 8517 SHA256 9f17bcf4111fe9902d1625ba8193280900bbcb1858a3c278f6291999d83e1fb1 SHA512 a9061fce5774c510eacafbe0b5e455e97739a033028466fca2d5d31e9440b817816dba7df0f77d814169320ebd63127acb8f07575e3d50399758f77251951c9a WHIRLPOOL 08aa902370b077273ad92797a10a8082abf115b0c0ecc332beaeb101349975e6d1eda7aa57b4e252e210218a2c9a294985be4f3ad621bb6af40965d359d98457
 EBUILD gcc-apple-4.2.1_p5664.ebuild 11425 SHA256 68c7ab815bd8a1bbce1868fb62e026e6efd0bf1be4b5c8225e668ca0841af9dd SHA512 a661f92a526bf05883b84e417274536a577a56e7afddc8da91dbcf742479db0ad7ad28b4ce77d74fc6306f49b2ae1cf6acf011434c52c87b07c6e44704bd19a6 WHIRLPOOL 75404be35a5330e733822e58a51b8c5b26e54404b34f320dd1ff48a568ed898d6b33379dc104345288190d9b3c4c2350976488627b2a31cc2340dd71d3623dd5
 EBUILD gcc-apple-4.2.1_p5666-r1.ebuild 11832 SHA256 ded4d20283fd311db89e1b39ce8af5451366a2970225e9f83a751d21d444a999 SHA512 7ec067a697f7884152d798278c5079dfd19b1450895e9e9cf37eac00cc0b629a6ade3a9f0684ffca7f48dff73901b5b3111e4d35007906bc0e999f28dafbc956 WHIRLPOOL ef6b4a04c97adfe4cb2b28ca21ce13d787160376c18e1c0adba0b12ec11b49e972b09e0333d88dedce5d43ba65731d3fe4d158c1c6ad70cd2c4ce382412a28bb
-MISC ChangeLog 14652 SHA256 0fd39c99e88d8eba4c9f36b8038aebaa0cd7495778899a1362b177e84a04efb2 SHA512 3fa4e2dcc692fcb3e48573d4bd414d4529471941e3fc69db898f9bff3ef65f72418e911fe28f5033afa55d8b55665e486cfab864a262a47d55035057687c0aad WHIRLPOOL e8526a6f7dfcefe5861dd859035637aa6d4aa82597d89dc7d679be673b5bad231609cc3db519392fc479b26a8fc540b9760622d162f76ec313b28f68ef2bc685
+EBUILD gcc-apple-4.2.1_p5666-r2.ebuild 13092 SHA256 28705be35387c5419c947f8e3883baa2290011dd90966840b526c640b6060821 SHA512 091eaafac860f73481a6111315d3459bf1c223fd00f7a22b58a8a9713c434343fecad8cd857c05afde67c139bdd1ab419b12a671307e905bbc02a9f9fdaf1899 WHIRLPOOL 480863ba5cb34ac2ea948f9d0d516d7012d823a212c57a10dce22dd03a5dfd6a882469c03e253bb51f898f8663f4a2be44d5baf59ff41c8bc1096e4fc437e21f
+MISC ChangeLog 14890 SHA256 b26b8c43e3ba7bc757ad36a7386916d8aed9236de84cf6622df10d198121bca5 SHA512 8789dd52d8501eec408ab8156f6ca272e9c5c7edf90ec03cee6e4f349ea18b2fa393075ee18357b5f103712f91324ae5eae90af071197926ff8e3be0c2437fd5 WHIRLPOOL 40a4e484ad201b9a1ad6ea693c3b68bbd0baa76935fada025ae6ce459a701216e6702e8fecee962d692d5dfb62d88e70188244ac8d6427f1a9ee24839aa36c57
 MISC metadata.xml 440 SHA256 fe55903cd5820f6651e134125cfc4eeadb1322a6a06e286a246ef0f70c55c517 SHA512 de8914eff3416b04021370098faa2df5d7c204119c6ba848ed89182549b200767b54ae45e9d4155cdcead8a9535a09e9d090f30c64554952f3de99885daab161 WHIRLPOOL e5120c4e39ad83dcaeab7fd820669e9be727cc9c4aafa05a7fc7f2541a7e3485f49ffc04b66092c355300f42a5cc9179187cd72806053be128abe20284dbd3ac
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diff --git a/sys-devel/gcc-apple/files/gcc-apple-4.2.1-prefix-search-dirs-r1.patch b/sys-devel/gcc-apple/files/gcc-apple-4.2.1-prefix-search-dirs-r1.patch
new file mode 100644
index 000000000000..497248527d6d
--- /dev/null
+++ b/sys-devel/gcc-apple/files/gcc-apple-4.2.1-prefix-search-dirs-r1.patch
@@ -0,0 +1,39 @@
+In Prefix we are really self-providing, so don't look back!
+Original patch by Heiko Przybyl
+
+/usr/lib and /lib are not valid locations to search for startfiles,
+especially as they come BEFORE the prefix locations.
+
+--- gcc/gcc.c
++++ gcc/gcc.c
+@@ -1525,8 +1525,8 @@ static const char *gcc_libexec_prefix;
+ #endif
+ 
+ static const char *const standard_exec_prefix = STANDARD_EXEC_PREFIX;
+-static const char *const standard_exec_prefix_1 = "/usr/libexec/gcc/";
+-static const char *const standard_exec_prefix_2 = "/usr/lib/gcc/";
++static const char *const standard_exec_prefix_1 = "@GENTOO_PORTAGE_EPREFIX@/usr/libexec/gcc/";
++static const char *const standard_exec_prefix_2 = "@GENTOO_PORTAGE_EPREFIX@/usr/lib/gcc/";
+ static const char *md_exec_prefix = MD_EXEC_PREFIX;
+ 
+ static const char *md_startfile_prefix = MD_STARTFILE_PREFIX;
+diff --git a/a/gcc/config/darwin.h b/b/gcc/config/darwin.h
+index 482cd4c..b971c64 100644
+--- gcc/config/darwin.h
++++ gcc/config/darwin.h
+@@ -24,6 +24,15 @@ Boston, MA 02110-1301, USA.  */
+ #ifndef CONFIG_DARWIN_H
+ #define CONFIG_DARWIN_H
+ 
++#undef STANDARD_STARTFILE_PREFIX
++#define STANDARD_STARTFILE_PREFIX "@GENTOO_PORTAGE_TPREFIX@/usr/lib"
++
++#undef STANDARD_STARTFILE_PREFIX_1
++#define STANDARD_STARTFILE_PREFIX_1 "@GENTOO_PORTAGE_TPREFIX@/lib"
++
++#undef STANDARD_STARTFILE_PREFIX_2
++#define STANDARD_STARTFILE_PREFIX_2 STANDARD_STARTFILE_PREFIX_1
++
+ /* The definitions in this file are common to all processor types
+    running Darwin, which is the kernel for Mac OS X.  Darwin is
+    basically a BSD user layer laid over a Mach kernel, then evolved
diff --git a/sys-devel/gcc-apple/gcc-apple-4.2.1_p5666-r2.ebuild b/sys-devel/gcc-apple/gcc-apple-4.2.1_p5666-r2.ebuild
new file mode 100644
index 000000000000..fd95884e22d9
--- /dev/null
+++ b/sys-devel/gcc-apple/gcc-apple-4.2.1_p5666-r2.ebuild
@@ -0,0 +1,376 @@
+# Copyright 1999-2014 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+# $Header: /var/cvsroot/gentoo-x86/sys-devel/gcc-apple/gcc-apple-4.2.1_p5666-r2.ebuild,v 1.1 2014/11/22 02:47:29 redlizard Exp $
+
+EAPI="3"
+
+inherit eutils toolchain flag-o-matic autotools prefix
+
+GCC_VERS=${PV/_p*/}
+APPLE_VERS="${PV/*_p/}.3"
+DESCRIPTION="Apple branch of the GNU Compiler Collection, Developer Tools 4.0"
+HOMEPAGE="http://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-1.8-r1
+	sys-libs/csu
+	>=sys-apps/portage-2.2.14
+	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/\.*/}
+
+do_bootstrap() {
+	is_crosscompile && return 1
+	[[ ${CHOST} != ${CBUILD} ]] && return 1
+	[[ ${EPREFIX} != ${TPREFIX} ]] && return 1
+	return 0
+}
+
+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\ \   \"${EPREFIX}/Frameworks\"\, " \
+		gcc/config/darwin-c.c || die "sed  gcc/config/darwin-c.c failed"
+
+	# Workaround deprecated "+Nc" syntax for GNU tail(1)
+	sed -i -e "s:tail +16c:tail -c +16:g" \
+		gcc/Makefile.in || die "sed gcc/Makefile.in failed."
+
+	# default to AltiVec on PPC, like for older releases
+	epatch "${FILESDIR}"/${PN}-4.0.1_p5465-default-altivec.patch
+
+	# support -arch XXX if XXX is actually what the toolchain targets because
+	# some upstreams insist on setting it
+	epatch "${FILESDIR}"/${PN}-4.2.1-arch-option.patch
+
+	# dsymutil stuff breaks on 10.4/x86, revert it
+	[[ ${CHOST} == *86*-apple-darwin8 ]] && \
+		epatch "${FILESDIR}"/${PN}-${GCC_VERS}-dsymutil.patch
+
+	# Pseudo-support OS X 10.10
+	[[ ${CHOST} == *-darwin14 ]] && \
+		epatch "${FILESDIR}"/${P}-darwin14.patch
+
+	# bootstrapping might fail with host provided gcc on 10.4/x86
+	if ! is_crosscompile && ! echo "int main(){return 0;}" | gcc -o "${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}"/${P}-perl-5.18.patch
+
+	epatch "${FILESDIR}"/${PN}-4.2.1-prefix-search-dirs-r1.patch
+	eprefixify "${S}"/gcc/gcc.c
+	sed -i -e "s|@GENTOO_PORTAGE_TPREFIX@|${TPREFIX}|g" "${S}"/gcc/config/darwin.h
+
+	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"
+
+	# fix the install_names of all shared libraries for the target
+	# NOTE: do this after any automake-ing!
+	# Yes, patching generated files is bad. Talk to me once you've found a way to do this inside automake.
+	sed -i -e "s|-install_name \$(slibdir)|-install_name ${TPREFIX}/usr/${CTARGET}/lib/gcc|" "${S}"/gcc/config/t-slibgcc-darwin
+	sed -i -e "s|-rpath \$(toolexeclibdir)|-rpath ${TPREFIX}/usr/${CTARGET}/lib/gcc|" \
+		"${S}"/{libgomp,libstdc++-v3/src,libstdc++-v3/libsupc++}/Makefile.in
+}
+
+src_configure() {
+	local langs="c"
+	use cxx && langs="${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=${TPREFIX}/usr"
+
+	do_bootstrap || myconf="${myconf} --disable-bootstrap"
+
+	# 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}
+
+	# http://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-* || ${CTARGET} == x86_64-* ]] && \
+		export CC="${CC:-$(tc-getCC)} -m64"
+
+	mkdir -p "${WORKDIR}"/build
+	cd "${WORKDIR}"/build
+	einfo "Configuring GCC with: ${myconf//--/\n\t--}"
+	"${S}"/configure ${myconf} || die "conf failed"
+}
+
+src_compile() {
+	cd "${WORKDIR}"/build || die
+	if ! do_bootstrap; then
+		GCC_MAKE_TARGET=${GCC_MAKE_TARGET-all}
+	else
+		GCC_MAKE_TARGET=${GCC_MAKE_TARGET-bootstrap}
+	fi
+	emake ${GCC_MAKE_TARGET} || die "emake failed"
+}
+
+src_install() {
+	cd "${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
+
+	# The gcc runtime libs have an invalid install_name; this is correct,
+	# as they are copied to the right location by gcc-config later.
+	QA_IGNORE_INSTALL_NAME_FILES=()
+	pushd "${ED}/usr/lib/gcc/${CTARGET}/${GCC_VERS}" > /dev/null
+	for file in *.dylib; do
+		QA_IGNORE_INSTALL_NAME_FILES+=( "${file}" )
+	done
+	popd > /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
+}