main/gcc: fixes, support crosscompiler creation

 - implement cross compiler creation
 - fix musl build
 - fix cross-building
 - fix ada to default to shared linking
 - fix gcc-gnat dependencies

9 files changed, 785 insertions, 76 deletions

diff --git a/main/gcc/APKBUILD b/main/gcc/APKBUILD
index 03d48edaed..c70f651e69 100644
--- a/main/gcc/APKBUILD
+++ b/main/gcc/APKBUILD
@@ -4,28 +4,68 @@ pkgver=4.8.1
 _piepatchver=0.5.6
 _specs_ver=0.2.0
 _specs_gcc_ver=4.4.3
-
 _uclibc_abiver=0.9.32
-
-pkgrel=2
+_cross=""
+[ "$BOOTSTRAP" = "noheaders" ] && pkgname="gcc-pass1"
+[ "$BOOTSTRAP" = "nolibc" ] && pkgname="gcc-pass2"
+[ "$CHOST" != "$CTARGET" ] && [ -n "$CHOST" -a -n "$CTARGET" ] \
+	&& _cross="-$CTARGET"
+
+pkgname="$pkgname$_cross"
+pkgrel=3
 pkgdesc="The GNU Compiler Collection"
 url="http://gcc.gnu.org"
 arch="all"
 license="GPL LGPL"
 _gccrel=$pkgver-r$pkgrel
-depends="binutils libgomp=$_gccrel"
-makedepends="bison flex gmp-dev mpfr-dev texinfo mpc1-dev gawk zlib-dev zip
-	cloog-dev !libiconv-dev !gettext-dev"
-subpackages="$pkgname-doc libgcc libgomp libstdc++:libcxx g++:gpp"
+depends="binutils$_cross"
+makedepends_build="bison flex texinfo gawk zip"
+makedepends_host="gmp-dev mpfr-dev mpc1-dev zlib-dev cloog-dev !libiconv-dev !gettext-dev"
+makedepends="$makedepends_build $makedepends_host"
+subpackages=" "
+[ "$CHOST" = "$CTARGET" ] && subpackages="gcc-doc$_cross"
 replaces="libstdc++"
 
+: ${LANG_CXX:=true}
 : ${LANG_OBJC:=true}
 : ${LANG_JAVA:=true}
 : ${LANG_GO:=true}
 : ${LANG_FORTRAN:=true}
 : ${LANG_ADA:=true}
 
-if [ "$CBUILD" != "$CHOST" ]; then
+LIBGOMP=true
+LIBGCC=true
+LIBATOMIC=true
+LIBITM=true
+if [ "$CHOST" != "$CTARGET" ] && [ -n "$CHOST" -a -n "$CTARGET" ]; then
+	if [ "$BOOTSTRAP" ]; then
+		LANG_CXX=false
+		LANG_ADA=false
+		LIBGCC=false
+		_builddir="$srcdir/build-cross-pass2"
+	else
+		_builddir="$srcdir/build-cross-final"
+	fi
+	LANG_OBJC=false
+	LANG_JAVA=false
+	LANG_GO=false
+	LANG_FORTRAN=false
+	LIBGOMP=false
+	LIBATOMIC=false
+	LIBITM=false
+
+	# reset target flags (should be set in crosscreate abuild)
+	# fixup flags. seems gcc treats CPPFLAGS as global without
+	# _FOR_xxx variants. wrap it in CFLAGS and CXXFLAGS.
+	export CFLAGS="$CPPFLAGS $CFLAGS"
+	export CXXFLAGS="$CPPFLAGS $CXXFLAGS"
+	unset CPPFLAGS
+	[ -z "$CFLAGS_FOR_TARGET" ]   && export CFLAGS_FOR_TARGET=" "
+	[ -z "$CXXFLAGS_FOR_TARGET" ] && export CXXFLAGS_FOR_TARGET=" "
+	[ -z "$LDFLAGS_FOR_TARGET" ]  && export LDFLAGS_FOR_TARGET=" "
+
+	STRIP_FOR_TARGET="$CTARGET-strip"
+elif [ "$CBUILD" != "$CHOST" ] && [ -n "$CBUILD" -a -n "$CHOST" ]; then
 	# fixup flags. seems gcc treats CPPFLAGS as global without
 	# _FOR_xxx variants. wrap it in CFLAGS and CXXFLAGS.
 	export CFLAGS="$CPPFLAGS $CFLAGS"
@@ -39,34 +79,51 @@ if [ "$CBUILD" != "$CHOST" ]; then
 	export CXXFLAGS_FOR_BUILD=" "
 	export LDFLAGS_FOR_BUILD=" "
 
+	# Languages that do not need bootstrapping
 	LANG_OBJC=false
 	LANG_JAVA=false
 	LANG_GO=false
 	LANG_FORTRAN=false
-	# ada needs bootstrapping
-	LANG_ADA=true
+
+	STRIP_FOR_TARGET=${CROSS_COMPILE}strip
+	_builddir="$srcdir/build-cross-native"
+else
+	STRIP_FOR_TARGET=${CROSS_COMPILE}strip
+	_builddir="$srcdir/build"
 fi
 
-_languages=c,c++
+if $LIBGCC; then
+	subpackages="$subpackages libgcc"
+fi
+if $LIBGOMP; then
+	depends="$depends libgomp=$_gccrel"
+	subpackages="$subpackages libgomp"
+fi
+
+_languages=c
+if $LANG_CXX; then
+	subpackages="$subpackages libstdc++:libcxx g++$_cross:gpp"
+	_languages="$_languages,c++"
+fi
 if $LANG_OBJC; then
-	subpackages="$subpackages libobjc $pkgname-objc"
+	subpackages="$subpackages libobjc gcc-objc$_cross:objc"
 	_languages="$_languages,objc"
 fi
 if $LANG_JAVA; then
-	subpackages="$subpackages libgcj $pkgname-java"
+	subpackages="$subpackages libgcj gcc-java$_cross:java"
 	makedepends="$makedepends paxctl"
 	_languages="$_languages,java"
 fi
 if $LANG_GO; then
-	subpackages="$subpackages libgo $pkgname-go"
+	subpackages="$subpackages libgo gcc-go$_cross:go"
 	_languages="$_languages,go"
 fi
 if $LANG_FORTRAN; then
-	subpackages="$subpackages libgfortran libquadmath gfortran"
+	subpackages="$subpackages libgfortran libquadmath gfortran$_cross:gfortran"
 	_languages="$_languages,fortran"
 fi
 if $LANG_ADA; then
-	subpackages="$subpackages libgnat $pkgname-gnat"
+	subpackages="$subpackages libgnat gcc-gnat$_cross:gnat"
 	_languages="$_languages,ada"
 	makedepends="$makedepends gcc-gnat"
 fi
@@ -87,6 +144,7 @@ source="ftp://gcc.gnu.org/pub/gcc/releases/gcc-$pkgver/gcc-$pkgver.tar.bz2
 
 	gcc-spec-env.patch
 	gcc-4.8-musl.patch
+	gcc-4.8-musl-fix-arm-interp.patch
 	libgcc-always-build-gcceh.a.patch
 	pt_gnu_eh_frame.patch
 	uclibc-getipinfo.patch
@@ -97,16 +155,20 @@ source="ftp://gcc.gnu.org/pub/gcc/releases/gcc-$pkgver/gcc-$pkgver.tar.bz2
 
 	gcc-4.8-build-args.patch
 	fix-cxxflags-passing.patch
+	fix-cxxflags-for-target.patch
 	ada-no-pie.patch
+	ada-fixes.patch
+	ada-crossbuild.patch
+	ada-shared.patch
+	ada-musl.patch
 	"
 
 #	gcc-go.patch
 
 # we build out-of-tree
 _gccdir="$srcdir"/gcc-$pkgver
-_builddir="$srcdir/build"
-_gcclibdir=/usr/lib/gcc/${CHOST:-$_chost}/$pkgver
-_gcclibexec=/usr/libexec/gcc/${CHOST:-$_chost}/$pkgver
+_gcclibdir=/usr/lib/gcc/${CTARGET}/$pkgver
+_gcclibexec=/usr/libexec/gcc/${CTARGET}/$pkgver
 
 prepare() {
 	cd "$_gccdir"
@@ -161,55 +223,71 @@ prepare() {
 build() {
 	local _dynamic_linker=
 	local _arch_configure=
+	local _libc_configure=
+	local _cross_configure=
+	local _bootstrap_configure=
 	local _symvers=
+
 	cd "$_gccdir"
-	export CFLAGS="-fno-stack-protector $CFLAGS"
-	[ -z "$CBUILD" ] && CBUILD="$CHOST"
-	[ -z "$CTARGET" ] && CTARGET="$CHOST"
+	if [ -z "$CFLAGS_FOR_TARGET" ]; then
+		export CFLAGS="-fno-stack-protector $CFLAGS"
+		export CXXFLAGS="-fno-stack-protector $CXXFLAGS"
+	else
+		export CFLAGS_FOR_TARGET="-fno-stack-protector $CFLAGS_FOR_TARGET"
+		export CXXFLAGS_FOR_TARGET="-fno-stack-protector $CXXFLAGS_FOR_TARGET"
+	fi
 
-	case "$CHOST" in
-		x86_64-*-uclibc)
-			_dynamic_linker="--with-dynamic-linker=ld64-uClibc.so.$_uclibc_abiver"
-			;;
-		*-uclibc)
-			_dynamic_linker="--with-dynamic-linker=ld-uClibc.so.$_uclibc_abiver"
-			;;
-		x86_64-*-gnu)
-			_dynamic_linker="--with-dynamic-linker=ld-linux-x86-64.so.2"
-			;;
-		*-gnu)
-			_dynamic_linker="--with-dynamic-linker=ld-linux.so.2"
-			;;
-		*)	_dynamic_linker=
-			_symvers="--disable-symvers"
-			;;
+	case "$CTARGET" in
+	x86_64-*-uclibc)	_dynamic_linker="--with-dynamic-linker=ld64-uClibc.so.$_uclibc_abiver" ;;
+	*-uclibc)		_dynamic_linker="--with-dynamic-linker=ld-uClibc.so.$_uclibc_abiver" ;;
+	x86_64-*-gnu)		_dynamic_linker="--with-dynamic-linker=ld-linux-x86-64.so.2" ;;
+	*-gnu)			_dynamic_linker="--with-dynamic-linker=ld-linux.so.2" ;;
 	esac
 
-	# disable symvers for non-glibc (uclibc/musl)
-	# ifunc attributes detection is broke in configure script so force
-	# disable it for non-glibc. It is used heavily by Go lang.
-	case "$CHOST" in
-		*-gnu) ;;
-		*)	export libat_cv_have_ifunc=no
-			;;
+	case "$CTARGET_ARCH" in
+	armhf) _arch_configure="--with-float=hard";;
 	esac
 
-	# --enable-target-optspace is broken on powerpc
-	if [ "$CARCH" != "powerpc" ]; then
-		_arch_configure="$_arch_configure --enable-target-optspace"
+	case "$CTARGET_LIBC" in
+	musl)
+		# musl does not support mudflap
+		_libc_configure="--disable-libssp --disable-libmudflap"
+		_symvers="--disable-symvers"
+		export gcc_cv_libc_provides_ssp=yes
+		export libat_cv_have_ifunc=no
+		;;
+	uclibc)
+		_libc_configure="--disable-libssp --without-system-libunwind"
+		export gcc_cv_libc_provides_ssp=yes
+		export libat_cv_have_ifunc=no
+		;;
+	esac
+
+	if [ "$CHOST" != "$CTARGET" ]; then
+		_cross_configure="--disable-bootstrap --enable-clocale=gnu"
+		_cross_configure="$_cross_configure --with-sysroot=$CBUILDROOT"
 	fi
 
-	case "$CARCH" in
-	arm*) _arch_configure="$_arch_configure --with-float=hard";;
+	case "$BOOTSTRAP" in
+	noheaders)
+		_bootstrap_configure="--with-newlib --without-headers --disable-shared --enable-threads=no"
+		;;
+	nolibc)
+		_bootstrap_configure="--with-newlib --disable-shared --enable-threads=no --disable-libquadmath"
+		;;
+	*)
+		_bootstrap_configure="--enable-shared --enable-threads --enable-tls"
+		;;
 	esac
 
-	if [ "${CHOST#*musl}" != "$CHOST" ]; then
-		# musl does not support mudflap
-		_arch_configure="$_arch_configure --disable-mudflap --disable-libmudflap"
-		# gcc does not detect musl's ssp support, force it
-		export gcc_cv_libc_provides_ssp=yes
-	else
-		_arch_configure="$_arch_configure --without-system-libunwind"
+	if ! $LIBGOMP; then
+		_bootstrap_configure="$_bootstrap_configure --disable-libgomp"
+	fi
+	if ! $LIBATOMIC; then
+		_bootstrap_configure="$_bootstrap_configure --disable-libatomic"
+	fi
+	if ! $LIBITM; then
+		_bootstrap_configure="$_bootstrap_configure --disable-libitm"
 	fi
 
 	msg "Building the following:"
@@ -217,9 +295,14 @@ build() {
 	echo "  CBUILD=$CBUILD"
 	echo "  CHOST=$CHOST"
 	echo "  CTARGET=$CTARGET"
+	echo "  CTARGET_ARCH=$CTARGET_ARCH"
+	echo "  CTARGET_LIBC=$CTARGET_LIBC"
 	echo "  languages=$_languages"
 	echo "  dynamic_linker=$_dynamic_linker"
 	echo "  arch_configure=$_arch_configure"
+	echo "  libc_configure=$_libc_configure"
+	echo "  cross_configure=$_cross_configure"
+	echo "  bootstrap_configure=$_bootstrap_configure"
 	echo ""
 
 	mkdir -p "$_builddir"
@@ -235,7 +318,6 @@ build() {
 		--disable-build-with-cxx \
 		--disable-checking \
 		--disable-fixed-point \
-		--disable-libssp \
 		--disable-libstdcxx-pch \
 		--disable-multilib \
 		--disable-nls \
@@ -246,10 +328,10 @@ build() {
 		--enable-esp \
 		--enable-cloog-backend \
 		--enable-languages=$_languages \
-		--enable-shared \
 		$_arch_configure \
-		--enable-tls \
-		--enable-threads \
+		$_libc_configure \
+		$_cross_configure \
+		$_bootstrap_configure \
 		$_dynamic_linker \
 		--with-dynamic-linker-prefix=/lib \
 		--with-system-zlib \
@@ -285,7 +367,7 @@ package() {
 		|| return 1
 
 	# strip debug info from some statib libs
-	${CROSS_COMPILE}strip -g `find "$pkgdir" \( -name libgfortran.a -o -name libobjc.a -o -name libgomp.a \
+	${STRIP_FOR_TARGET} -g `find "$pkgdir" \( -name libgfortran.a -o -name libobjc.a -o -name libgomp.a \
 		-o -name libmudflap.a -o -name libmudflapth.a \
 		-o -name libgcc.a -o -name libgcov.a -o -name libquadmath.a \
 		-o -name libitm.a -o -name libgo.a -o -name libcaf\*.a \
@@ -314,13 +396,23 @@ package() {
 			ln -s ../../../../${i##*/} $i || return 1
 		done
 	fi
+
+	if [ "$CHOST" != "$CTARGET" ]; then
+		# cross-gcc: remove any files that would conflict with the
+		# native gcc package
+		rm -rf "$pkgdir"/usr/bin/cc "$pkgdir"/usr/include "$pkgdir"/usr/share
+	fi
 }
 
 libcxx() {
 	pkgdesc="GNU C++ standard runtime library"
 	depends=
+	CARCH="$CTARGET_ARCH"
+
 	mkdir -p "$subpkgdir"/usr/lib
-	mv "$pkgdir"/usr/lib/libstdc++.so.* "$subpkgdir"/usr/lib/
+	mv "$pkgdir"/usr/lib/libstdc++.so.* "$subpkgdir"/usr/lib/ || \
+		cp "$pkgdir"/usr/$CTARGET/lib/libstdc++.so.* "$subpkgdir"/usr/lib/ || \
+		return 1
 }
 
 gpp() {
@@ -351,6 +443,7 @@ objc() {
 	pkgdesc="GNU Objective-C"
 	replaces="gcc"
 	depends="libc-dev gcc=$_gccrel libobjc=$_gccrel"
+
 	mkdir -p "$subpkgdir"/$_gcclibdir/include \
 		"$subpkgdir"/usr/lib \
 		|| return 1
@@ -363,14 +456,20 @@ objc() {
 libgcc() {
 	pkgdesc="GNU C compiler runtime libraries"
 	depends=
+	CARCH="$CTARGET_ARCH"
+
 	mkdir -p "$subpkgdir"/usr/lib
-	mv "$pkgdir"/usr/lib/libgcc_s.so.* "$subpkgdir"/usr/lib/ || return 1
+	mv "$pkgdir"/usr/lib/libgcc_s.so.* "$subpkgdir"/usr/lib/ || \
+		cp "$pkgdir"/usr/$CTARGET/lib/libgcc_s.so.* "$subpkgdir"/usr/lib/ || \
+		return 1
 }
 
 libgomp() {
 	pkgdesc="GCC shared-memory parallel programming API library"
 	depends=
 	replaces="gcc"
+	CARCH="$CTARGET_ARCH"
+
 	mkdir -p "$subpkgdir"/usr/lib
 	mv "$pkgdir"/usr/lib/libgomp.so.* "$subpkgdir"/usr/lib/
 }
@@ -378,6 +477,7 @@ libgomp() {
 java() {
 	pkgdesc="Java support for GCC"
 	depends="zlib-dev gcc=$_gccrel libgcj=$_gccrel"
+
 	paxctl -c -pm "$pkgdir"/$_gcclibexec/ecj1 || return 1
 	mkdir -p "$subpkgdir"/usr/bin "$subpkgdir"/usr/lib
 	cd "$pkgdir"/usr/bin
@@ -403,6 +503,8 @@ libgcj() {
 	# libgcj_bc.so moved from gcc-java to libgcj
 	replaces="gcc-java"
 	depends=
+	CARCH="$CTARGET_ARCH"
+
 	mkdir -p "$subpkgdir"/usr/bin
 	cd "$pkgdir"/usr/bin
 	paxctl -c -pmse "$pkgdir"/usr/bin/gij || return 1
@@ -433,6 +535,8 @@ libgcj() {
 libgo() {
 	pkgdesc="Go runtime library for GCC"
 	depends=
+	CARCH="$CTARGET_ARCH"
+
 	mkdir -p "$subpkgdir"/usr/lib
 	mv "$pkgdir"/usr/lib/libgo.so.* "$subpkgdir"/usr/lib/
 }
@@ -440,6 +544,7 @@ libgo() {
 go() {
 	pkgdesc="Go support for GCC"
 	depends="gcc=$_gccrel libgo=$_gccrel"
+
 	mkdir -p "$subpkgdir"/$_gcclibexec \
 		"$subpkgdir"/usr/lib \
 		"$subpkgdir"/usr/bin || return 1
@@ -455,6 +560,8 @@ go() {
 libgfortran() {
 	pkgdesc="Fortran runtime library for GCC"
 	depends=
+	CARCH="$CTARGET_ARCH"
+
 	mkdir -p "$subpkgdir"/usr/lib
 	mv "$pkgdir"/usr/lib/libgfortran.so.* "$subpkgdir"/usr/lib/
 }
@@ -463,6 +570,8 @@ libquadmath() {
 	replaces="gcc"
 	pkgdesc="128-bit math library for GCC"
 	depends=
+	CARCH="$CTARGET_ARCH"
+
 	mkdir -p "$subpkgdir"/usr/lib
 	mv "$pkgdir"/usr/lib/libquadmath.so.* "$subpkgdir"/usr/lib/
 }
@@ -489,20 +598,26 @@ gfortran() {
 
 libgnat() {
 	pkgdesc="GNU Ada 95 runtime shared libraries"
+	depends=
+	CARCH="$CTARGET_ARCH"
+
 	mkdir -p "$subpkgdir"/usr/lib
 	mv "$pkgdir"/usr/lib/libgna*.so "$subpkgdir"/usr/lib/
 }
 
 gnat() {
 	pkgdesc="Ada 95 support for GCC"
+	depends="gcc=$_gccrel"
+	[ "$CHOST" = "$CTARGET" ] && depends="$depends libgnat=$_gccrel"
+
 	mkdir -p "$subpkgdir"/$_gcclibexec \
 		"$subpkgdir"/$_gcclibdir \
 		"$subpkgdir"/usr/bin \
 		|| return 1
-	mv "$pkgdir"/$_gcclibexec/gnat* "$subpkgdir"/$_gcclibexec/ \
+	mv "$pkgdir"/$_gcclibexec/*gnat* "$subpkgdir"/$_gcclibexec/ \
 		|| return 1
-	mv "$pkgdir"/$_gcclibdir/ada* "$subpkgdir"/$_gcclibdir/ || return 1
-	mv "$pkgdir"/usr/bin/gnat* "$subpkgdir"/usr/bin/ || return 1
+	mv "$pkgdir"/$_gcclibdir/*ada* "$subpkgdir"/$_gcclibdir/ || return 1
+	mv "$pkgdir"/usr/bin/*gnat* "$subpkgdir"/usr/bin/ || return 1
 }
 
 md5sums="3b2386c114cd74185aa3754b58a79304  gcc-4.8.1.tar.bz2
@@ -518,7 +633,8 @@ d8692c56f04b92667096f59d843e95c5  51_all_libiberty-pic.patch
 ca4f395856bbb80d23398246572c30fa  67_all_gcc-poison-system-directories.patch
 9c443d9d0fba2ce97b12f674b7d14c7e  74_all_gcc48_cloog-dl.patch
 a695d7648509b4f8e18b389a19e6037c  gcc-spec-env.patch
-cd8ef37289815c939adc954ba95e9294  gcc-4.8-musl.patch
+eb425b34df5a1646f27a7285e1a78916  gcc-4.8-musl.patch
+f925101cc9d21435c97a0bbd3542bd81  gcc-4.8-musl-fix-arm-interp.patch
 504c7dd8651c5d98229892c4cd9ea591  libgcc-always-build-gcceh.a.patch
 ab83248e10b2bf4b3d9240de0fefb52b  pt_gnu_eh_frame.patch
 6cc2385c5bbd6d0da6eaedd53c8bf547  uclibc-getipinfo.patch
@@ -528,7 +644,12 @@ ab83248e10b2bf4b3d9240de0fefb52b  pt_gnu_eh_frame.patch
 2e2b787bb988d9007c9f7ce42178dfe6  gcc-pure64.patch
 0a2041bbf83648e6c4f6d3484f7249ca  gcc-4.8-build-args.patch
 4aea37d334ab00bb6bba37cd8c481367  fix-cxxflags-passing.patch
-ac802687c02ca78687c8e612277e566a  ada-no-pie.patch"
+87684048ecaaf0e046983bc2782292dd  fix-cxxflags-for-target.patch
+750e903d5a53ba32618c2142cdd914e1  ada-no-pie.patch
+2e946abc09924d91988a9b7fd5824ef3  ada-fixes.patch
+d77c99bf7c03d082a540aaba1193be40  ada-crossbuild.patch
+20e2731c02ce50739ebdead2795f9c41  ada-shared.patch
+4e47bdae120129462244da0d89a573b3  ada-musl.patch"
 sha256sums="545b44be3ad9f2c4e90e6880f5c9d4f0a8f0e5f67e1ffb0d45da9fa01bb05813  gcc-4.8.1.tar.bz2
 4aa0ab0f114b0ff8af5d0c19c18930e3fcd5e5b0956f56ca24e58e5a243964b1  gcc-4.8.1-piepatches-v0.5.6.tar.bz2
 f6c7cb99beead66dd4d06f7004c5731a9360330cbe878ce79792c618e008eed2  gcc-4.4.3-specs-0.2.0.tar.bz2
@@ -542,7 +663,8 @@ da6bbb5dc654d5e1df8ecae5c9ebb56265426c405931f14f5878248b8c79f78d  51_all_libiber
 8ba9dec0ecc2620c8ab1dfbeb0708dd4c29021e57d2e0ea23720108b1db3462e  67_all_gcc-poison-system-directories.patch
 7d129093a6682418da9313611a90e3052855d8af4505d401f7b8b6a64e8f7b17  74_all_gcc48_cloog-dl.patch
 64b01f29fb853fee5ecda998b66eeaa7ec86ff1fc3b21432bfd69eb543c93e6a  gcc-spec-env.patch
-8b85ebc6603a1b3488e1eb800fdb00168515ae154006398a1a08af57c1d3b5b5  gcc-4.8-musl.patch
+855ba44a4060a70213c39c6739751e8bfa8a8069f6a9712130df9a9b0f1070bc  gcc-4.8-musl.patch
+6693a67eeff123e0261720463c51e8083bba6e93fed1e65f245731d23e8ff166  gcc-4.8-musl-fix-arm-interp.patch
 1975189156d70f5428cb7f1516533965d1c8734f3009fc89a9b8e289b72326f1  libgcc-always-build-gcceh.a.patch
 78e75cb378bdfe870c98ab3cffef37f54be729d3912979191f27ca00651ad6c4  pt_gnu_eh_frame.patch
 53184f842477569973c232dac7c85e71b0018cbe5c4962f95dd9e0273f42083e  uclibc-getipinfo.patch
@@ -552,7 +674,12 @@ f3863b997acf8fdf5ad1d3626b41a8a0670b896505e9b7afb517916c7599fb1c  gcc-4.8-dynami
 f5473c6aea96d5137defd68898ba31042944a3f3ed26c05b964a40bd876c6f47  gcc-pure64.patch
 bd7a6f514fcc457f29e5fda157203f3bcd013aeba5d53b3459196eef3ce752ab  gcc-4.8-build-args.patch
 a395ba4cf047c48cac56985726fddf0948f4425c9f1a0c9ddba1812b2b3d8300  fix-cxxflags-passing.patch
-a20f8ba10f6ee94c6af44752d9c43faf1c1ff3c631f18e3d85e2a7f2ca7f1e0d  ada-no-pie.patch"
+a5678380e887dbf600c59273d382e81c10f89d28e422238a617d0a43ad5c5a69  fix-cxxflags-for-target.patch
+de3c8606015ebda0dc574f904aa4d23c44c5e261b34dce2ef4d08eed21cb99b9  ada-no-pie.patch
+556fcc3937d067e177acee7bbeeff80b0c5d445280c82e5af590db0f68143ebb  ada-fixes.patch
+324524490c60d84ef040f79589e0f93fbaeb253dbe031484afaf963b881047e9  ada-crossbuild.patch
+d6c7fc1820a4fa285297c299c255fe2f19ce1695486f20edd098252a97545e6a  ada-shared.patch
+f20c34f3e0a1bf717f5e22fd66b57c8b69f0411d063203c017ed8209f349e1d4  ada-musl.patch"
 sha512sums="1becc874aad77a469069b6d9da4158aae9e013e24afa9364fe4feff9a5094d0673ee7694b3840e892c860f73a56b3ece6174338a8214438c42b9f86dd6c35ea7  gcc-4.8.1.tar.bz2
 274e16ef5136348415898d4e5a3bc71763078de8ae7c18645e8b07f54d705609b08c0efadbdb55117fdfb5f6490529b446d09def448174c2747372829d029a9d  gcc-4.8.1-piepatches-v0.5.6.tar.bz2
 779ecb0a064d2138b54569c8ae501975b8a6b72e5a3acbf8597619a8db77ee42ef9b0e62608d5192a15e4393e7dfc009bb50b994782236faa744b2c46b5fe517  gcc-4.4.3-specs-0.2.0.tar.bz2
@@ -566,7 +693,8 @@ c6c314a2d24531b4286436dec7189f83e443c4cfa9b88339a4c324c2d40812d766ed44dcfd4a0c3b
 47331f034e44aea16f1cbb67d9176f8ce8832d6cb7c13a8d3b438efaa3269cee177bd1dd8a9f353ac19cc6b3db436a995de9ae66d493d2772188630b09fbff51  67_all_gcc-poison-system-directories.patch
 6e19b2dc43cff03a6b3ca4e18f76dcfd5b0682c15aac493e94f5c679f5b0a585fbaa09345d200182c0f47541ced2d714b78d65da130bc7d2e9f810362e07037d  74_all_gcc48_cloog-dl.patch
 ce9c1f923e2c6d17347ec2d3d8482351a9644194b2753627389294d43bb4f11b9c2ef41eda1b46ad83d09901a0bedebd5b6b8a57a198646030ab61e8d2d8cb48  gcc-spec-env.patch
-86ffdd09993004bc093233fcb1ea77d3a17965ccc0e09c59276b8f9e8ad79ae90eb6c6a3942472c638e9de31d2c83a25a46eee0903877033b46447e9f90258f8  gcc-4.8-musl.patch
+7ef97a8c79e3236ecd275e94ab87e65286744e8779d48f65c96fd456970abae483f414fbf1e201df12ae2e400fbab5376163dc090e6d9c2740873ed49f6ace40  gcc-4.8-musl.patch
+8c24d976b89b64f6c57a82b6c32f120f8bb4b8afef06ef86772df14309e04f5b3a62dbc7a953813666031efbedaae862bb3aa4d5242c7511231ecf61f87a7d77  gcc-4.8-musl-fix-arm-interp.patch
 d08d7ead2de0429e5c9055d5b029ec2be9a8c821d22cecaf9b51f633652c493333f98963d9267fa2fa63850c50ae5eefd5f59e5910ec10d20044dac082182a8b  libgcc-always-build-gcceh.a.patch
 8464197f01d107872dfa6b47e86e95ae8d75c053527bafbdb7a86bcc7aff4bc5b20a8ec40d6e48d1ad455b0187a3cba9db337cff6c0a6245507c4533e4832d99  pt_gnu_eh_frame.patch
 e3edf75df1f27af8771bd263e1bd607f6207c4eb5b2a5e11032577deba43ea201825e3b5008a720105f24e49d2821dd77a61c7ceba7ed91b3621c0dbd9292fc6  uclibc-getipinfo.patch
@@ -576,4 +704,9 @@ e1d6a450dfb40b134ad7f759c4c10174d2490b0093fe47cb33479245f26a3a8c54ebcf6255943c0c
 4a5aeff0399782c752e6e3f2f48d984b2056dfb5d229b23a24eee1562d241339989b2203f139821cfc03c9b25c9bd7da6ccbbdc7a09d242e4de7f0d606c6f63c  gcc-pure64.patch
 abe9aaf9aa956058d0386a4396a511d176a46bb3906b90e952383646cdc158cbeb0a5dc616a1ccb1ca7d49fd0b5e351532aa15a3b13362abbf1ca4266f54a687  gcc-4.8-build-args.patch
 35d6d59f0b7b968f282f56767c9e0823a7bdc5aa0d450aca50fbd802649a7ca608b47671244a3faa208a9b0d6832cabb5a22724157dc817b2c0ad63d09f93282  fix-cxxflags-passing.patch
-f00e0d57154fd7c0e121fa862b85b86943874edab8bc10e27a8b2bf363e55ea8690c091d8a07695493721a0185d52723e9f02279f7e618ece655e29b4e52b930  ada-no-pie.patch"
+c731f4aaaa65c8950e1b2bd9331410f92d378fd8c7e718532dccaa27ee11984d51d74216c3611e89a802325b81d7f184116839dce2dab50cae9b643c20a82fe7  fix-cxxflags-for-target.patch
+4938a38d6ffebebcd8b07a60e7d300935ef57056e5820145c6668dd5141e272d73a67a1bfe84dafda77212058eee768a03aba4356e52867b40a9ba9216a96714  ada-no-pie.patch
+0541b4e31164d3fed653e811c1ededcf0dc578220f11f4ca3d8a293b2cf1ebc62b4259afd103a5d24092cc738a5760efdd5310a6383d0d8152309562d04b0525  ada-fixes.patch
+4d411563f6a3ea06bc3a1f4fa77d10250cc275e2496df6039d93f9b2229bc1f5334e484494dbd08881cf046f98aaca8bdddaa6b4a8f947b936d0bdc9e91f2f2b  ada-crossbuild.patch
+3f5bc334d9f73d06f5f7c876738d02356acdd08958bea0e4d2095ebf15c2c2ec4e411abdae0297505ae9a1699ca01b17338e853184e84663203b192b0d35fc19  ada-shared.patch
+7f6dc922a2c80b1c8c5ed0b6d6e4c1e672984f54bb217f28517929af129892e42c45f7aea4b9c50d8bbc008384b7ae19e1475c79f08b78775709720fe317c8f3  ada-musl.patch"
diff --git a/main/gcc/ada-crossbuild.patch b/main/gcc/ada-crossbuild.patch
new file mode 100644
index 0000000000..d3d2280cb6
--- /dev/null
+++ b/main/gcc/ada-crossbuild.patch
@@ -0,0 +1,49 @@
+Based on http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55946
+
+--- gcc-4.8.1/libada/configure.orig
++++ gcc-4.8.1/libada/configure
+@@ -2951,9 +2951,7 @@
+ 
+ 
+ # Determine what to build for 'gnatlib'
+-if test $build = $target \
+-   && test ${enable_shared} = yes ; then
+-  # Note that build=target is almost certainly the wrong test; FIXME
++if test ${enable_shared} = yes ; then
+   default_gnatlib_target="gnatlib-shared"
+ else
+   default_gnatlib_target="gnatlib-plain"
+--- gcc-4.8.1/gcc/ada/gcc-interface/Make-lang.in.orig
++++ gcc-4.8.1/gcc/ada/gcc-interface/Make-lang.in
+@@ -625,7 +625,7 @@
+ ada/doctools/xgnatugn$(build_exeext): ada/xgnatugn.adb
+ 	-$(MKDIR) ada/doctools
+ 	$(CP) $^ ada/doctools
+-	cd ada/doctools && $(GNATMAKE) -q xgnatugn
++	cd ada/doctools && gnatmake -q xgnatugn
+ 
+ # Note that doc/gnat_ugn.texi and doc/projects.texi do not depend on
+ # xgnatugn being built so we can distribute a pregenerated doc/gnat_ugn.info
+--- gcc-4.8.1/gnattools/Makefile.in.orig
++++ gcc-4.8.1/gnattools/Makefile.in
+@@ -32,6 +32,8 @@
+ # Nonstandard autoconf-set variables.
+ LN_S=@LN_S@
+ target_noncanonical=@target_noncanonical@
++build=@build@
++host=@host@
+ 
+ # Variables for the user (or the top level) to override.
+ exeext = @EXEEXT@
+@@ -183,7 +185,11 @@
+ # put the host RTS dir first in the PATH to hide the default runtime
+ # files that are among the sources
+ # FIXME: This should be done in configure.
++ifeq ($(host), $(build))
+ RTS_DIR:=$(strip $(subst \,/,$(shell gnatls -v | grep adalib )))
++else
++RTS_DIR:=$(strip $(subst \,/,$(shell $(host)-gnatls -v | grep adalib )))
++endif
+ gnattools-cross: $(GCC_DIR)/stamp-tools
+ 	# gnattools1-re
+ 	$(MAKE) -C $(GCC_DIR)/ada/tools -f ../Makefile \
diff --git a/main/gcc/ada-fixes.patch b/main/gcc/ada-fixes.patch
new file mode 100644
index 0000000000..db9a3e3ebe
--- /dev/null
+++ b/main/gcc/ada-fixes.patch
@@ -0,0 +1,47 @@
+--- gcc-4.8.1/gcc/ada/terminals.c.orig
++++ gcc-4.8.1/gcc/ada/terminals.c
+@@ -984,13 +984,6 @@
+ #include <stdio.h>
+ #include <stdlib.h>
+ 
+-/* On some system termio is either absent or including it will disable termios
+-   (HP-UX) */
+-#if ! defined (__hpux__) && ! defined (FREEBSD) && \
+-    ! defined (__APPLE__) && ! defined(__rtems__)
+-#   include <termio.h>
+-#endif
+-
+ #include <sys/ioctl.h>
+ #include <termios.h>
+ #include <fcntl.h>
+@@ -1032,10 +1025,8 @@
+ */
+ 
+ /* Configurable part */
+-#if defined (__APPLE__) || defined (FREEBSD)
++#if defined (__APPLE__) || defined (FREEBSD) || defined(linux)
+ #define USE_OPENPTY
+-#elif defined (linux)
+-#define USE_GETPT
+ #elif defined (sun)
+ #define USE_CLONE_DEVICE "/dev/ptmx"
+ #elif defined (_AIX)
+@@ -1179,7 +1170,7 @@
+   int    status;
+ 
+   /* ensure that s is filled with 0 */
+-  bzero (&s, sizeof (&s));
++  bzero (&s, sizeof (s));
+ 
+   /* Get the current terminal settings */
+   status = tcgetattr (fd, &s);
+--- gcc-4.8.1/gcc/ada/cal.c.orig
++++ gcc-4.8.1/gcc/ada/cal.c
+@@ -65,6 +65,7 @@
+ #include <time.h>
+ #else
+ #include <sys/time.h>
++#include <time.h>
+ #endif
+ 
+ #ifdef __MINGW32__
diff --git a/main/gcc/ada-musl.patch b/main/gcc/ada-musl.patch
new file mode 100644
index 0000000000..8255e3b36e
--- /dev/null
+++ b/main/gcc/ada-musl.patch
@@ -0,0 +1,118 @@
+--- gcc-4.8.1/gcc/ada/adaint.c.orig
++++ gcc-4.8.1/gcc/ada/adaint.c
+@@ -67,6 +67,11 @@
+ #include <sys/pstat.h>
+ #endif
+ 
++#if defined (linux)
++#define _GNU_SOURCE 1
++#include <sched.h>
++#endif
++
+ #ifdef VMS
+ #define _POSIX_EXIT 1
+ #define HOST_EXECUTABLE_SUFFIX ".exe"
+@@ -3782,8 +3787,6 @@
+    return (void *) syscall (__NR_gettid);
+ }
+ 
+-#include <sched.h>
+-
+ /* glibc versions earlier than 2.7 do not define the routines to handle
+    dynamically allocated CPU sets. For these targets, we use the static
+    versions. */
+@@ -3792,7 +3795,7 @@
+ 
+ /* Dynamic cpu sets */
+ 
+-cpu_set_t *__gnat_cpu_alloc (size_t count)
++void *__gnat_cpu_alloc (size_t count)
+ {
+   return CPU_ALLOC (count);
+ }
+@@ -3802,30 +3805,30 @@
+   return CPU_ALLOC_SIZE (count);
+ }
+ 
+-void __gnat_cpu_free (cpu_set_t *set)
++void __gnat_cpu_free (void *set)
+ {
+-  CPU_FREE (set);
++  CPU_FREE ((cpu_set_t *) set);
+ }
+ 
+-void __gnat_cpu_zero (size_t count, cpu_set_t *set)
++void __gnat_cpu_zero (size_t count, void *set)
+ {
+-  CPU_ZERO_S (count, set);
++  CPU_ZERO_S (count, (cpu_set_t *) set);
+ }
+ 
+-void __gnat_cpu_set (int cpu, size_t count, cpu_set_t *set)
++void __gnat_cpu_set (int cpu, size_t count, void *set)
+ {
+   /* Ada handles CPU numbers starting from 1, while C identifies the first
+      CPU by a 0, so we need to adjust. */
+-  CPU_SET_S (cpu - 1, count, set);
++  CPU_SET_S (cpu - 1, count, (cpu_set_t *) set);
+ }
+ 
+ #else
+ 
+ /* Static cpu sets */
+ 
+-cpu_set_t *__gnat_cpu_alloc (size_t count ATTRIBUTE_UNUSED)
++void *__gnat_cpu_alloc (size_t count ATTRIBUTE_UNUSED)
+ {
+-  return (cpu_set_t *) xmalloc (sizeof (cpu_set_t));
++  return xmalloc (sizeof (cpu_set_t));
+ }
+ 
+ size_t __gnat_cpu_alloc_size (size_t count ATTRIBUTE_UNUSED)
+@@ -3833,21 +3836,21 @@
+   return sizeof (cpu_set_t);
+ }
+ 
+-void __gnat_cpu_free (cpu_set_t *set)
++void __gnat_cpu_free (void *set)
+ {
+   free (set);
+ }
+ 
+-void __gnat_cpu_zero (size_t count ATTRIBUTE_UNUSED, cpu_set_t *set)
++void __gnat_cpu_zero (size_t count ATTRIBUTE_UNUSED, void *set)
+ {
+-  CPU_ZERO (set);
++  CPU_ZERO ((cpu_set_t *) set);
+ }
+ 
+-void __gnat_cpu_set (int cpu, size_t count ATTRIBUTE_UNUSED, cpu_set_t *set)
++void __gnat_cpu_set (int cpu, size_t count ATTRIBUTE_UNUSED, void *set)
+ {
+   /* Ada handles CPU numbers starting from 1, while C identifies the first
+      CPU by a 0, so we need to adjust. */
+-  CPU_SET (cpu - 1, set);
++  CPU_SET (cpu - 1, (cpu_set_t *) set);
+ }
+ #endif
+ #endif
+--- gcc-4.8.1/gcc/ada/adaint.h.orig
++++ gcc-4.8.1/gcc/ada/adaint.h
+@@ -259,13 +259,11 @@
+ 
+ /* Routines for interface to required CPU set primitives */
+ 
+-#include <sched.h>
+-
+-extern cpu_set_t *__gnat_cpu_alloc                 (size_t);
++extern void * __gnat_cpu_alloc                 (size_t);
+ extern size_t __gnat_cpu_alloc_size                (size_t);
+-extern void   __gnat_cpu_free                  (cpu_set_t *);
+-extern void   __gnat_cpu_zero                      (size_t, cpu_set_t *);
+-extern void   __gnat_cpu_set                       (int, size_t, cpu_set_t *);
++extern void   __gnat_cpu_free                  (void *);
++extern void   __gnat_cpu_zero                      (size_t, void *);
++extern void   __gnat_cpu_set                       (int, size_t, void *);
+ #endif
+ 
+ #if defined (_WIN32)
diff --git a/main/gcc/ada-no-pie.patch b/main/gcc/ada-no-pie.patch
index e5bdfdea1e..a38db87196 100644
--- a/main/gcc/ada-no-pie.patch
+++ b/main/gcc/ada-no-pie.patch
@@ -1,5 +1,5 @@
---- ./gcc/ada/gcc-interface/Makefile.in.orig	2013-02-06 11:19:08.000000000 +0000
-+++ ./gcc/ada/gcc-interface/Makefile.in	2013-08-30 07:52:29.016804483 +0000
+--- gcc-4.8.1/gcc/ada/gcc-interface/Makefile.in.orig
++++ gcc-4.8.1/gcc/ada/gcc-interface/Makefile.in
 @@ -2462,23 +2462,23 @@
  	  gnatchop gnatcmd gnatkr gnatls gnatprep gnatxref gnatfind gnatname \
  	  gnatclean -bargs $(ADA_INCLUDES) $(GNATBIND_FLAGS)
@@ -33,6 +33,24 @@
  
  ../../gnatsym$(exeext): ../stamp-tools
  	$(GNATMAKE) -c $(ADA_INCLUDES) gnatsym --GCC="$(CC) $(ALL_ADAFLAGS)"
+@@ -2500,7 +2500,7 @@
+ 	$(GNATMAKE) -j0 -c $(ADA_INCLUDES) gnatmake --GCC="$(CC) $(ALL_ADAFLAGS)"
+ 	$(GNATBIND) $(ADA_INCLUDES) $(GNATBIND_FLAGS) gnatmake
+ 	$(GNATLINK) -v gnatmake -o ../../gnatmake$(exeext) \
+-		--GCC="$(GCC_LINK)" $(TOOLS_LIBS)
++		--GCC="$(GCC_LINK)" -fno-PIE $(TOOLS_LIBS)
+ 
+ # Note the use of the "mv" command in order to allow gnatlink to be linked with
+ # with the former version of gnatlink itself which cannot override itself.
+@@ -2510,7 +2510,7 @@
+ 	$(GNATMAKE) -j0 -c $(ADA_INCLUDES) gnatlink --GCC="$(CC) $(ALL_ADAFLAGS)"
+ 	$(GNATBIND) $(ADA_INCLUDES) $(GNATBIND_FLAGS) gnatlink
+ 	$(GNATLINK) -v gnatlink -o ../../gnatlinknew$(exeext) \
+-		    --GCC="$(GCC_LINK)" $(TOOLS_LIBS)
++		    --GCC="$(GCC_LINK)" -fno-PIE $(TOOLS_LIBS)
+ 	$(MV)  ../../gnatlinknew$(exeext)  ../../gnatlink$(exeext)
+ 
+ # Needs to be built with CC=gcc
 @@ -2519,11 +2519,11 @@
  
  # Likewise for the tools
diff --git a/main/gcc/ada-shared.patch b/main/gcc/ada-shared.patch
new file mode 100644
index 0000000000..6f1c16aff9
--- /dev/null
+++ b/main/gcc/ada-shared.patch
@@ -0,0 +1,30 @@
+Index: b/gcc/ada/link.c
+===================================================================
+--- a/gcc/ada/link.c
++++ b/gcc/ada/link.c
+@@ -105,9 +105,9 @@
+ 
+ #elif defined (__FreeBSD__)
+ const char *__gnat_object_file_option = "-Wl,@";
+-const char *__gnat_run_path_option = "-Wl,-rpath,";
+-char __gnat_shared_libgnat_default = STATIC;
+-char __gnat_shared_libgcc_default = STATIC;
++const char *__gnat_run_path_option = "";
++char __gnat_shared_libgnat_default = SHARED;
++char __gnat_shared_libgcc_default = SHARED;
+ int __gnat_link_max = 8192;
+ unsigned char __gnat_objlist_file_supported = 1;
+ const char *__gnat_object_library_extension = ".a";
+@@ -127,9 +127,9 @@
+ 
+ #elif defined (linux) || defined(__GLIBC__)
+ const char *__gnat_object_file_option = "-Wl,@";
+-const char *__gnat_run_path_option = "-Wl,-rpath,";
+-char __gnat_shared_libgnat_default = STATIC;
+-char __gnat_shared_libgcc_default = STATIC;
++const char *__gnat_run_path_option = "";
++char __gnat_shared_libgnat_default = SHARED;
++char __gnat_shared_libgcc_default = SHARED;
+ int __gnat_link_max = 8192;
+ unsigned char __gnat_objlist_file_supported = 1;
+ const char *__gnat_object_library_extension = ".a";
diff --git a/main/gcc/fix-cxxflags-for-target.patch b/main/gcc/fix-cxxflags-for-target.patch
new file mode 100644
index 0000000000..24dafe74be
--- /dev/null
+++ b/main/gcc/fix-cxxflags-for-target.patch
@@ -0,0 +1,5 @@
+--- gcc-4.8.1/config/mt-gnu.orig
++++ gcc-4.8.1/config/mt-gnu
+@@ -1 +1 @@
+-CXXFLAGS_FOR_TARGET = $(CXXFLAGS) -D_GNU_SOURCE
++CXXFLAGS_FOR_TARGET := $(CXXFLAGS_FOR_TARGET) -D_GNU_SOURCE
diff --git a/main/gcc/gcc-4.8-musl-fix-arm-interp.patch b/main/gcc/gcc-4.8-musl-fix-arm-interp.patch
new file mode 100644
index 0000000000..6629d74318
--- /dev/null
+++ b/main/gcc/gcc-4.8-musl-fix-arm-interp.patch
@@ -0,0 +1,14 @@
+--- a/gcc/config/arm/linux-eabi.h
++++ b/gcc/config/arm/linux-eabi.h
+@@ -64,7 +64,10 @@
+ 
+ /* musl has no "classic" (i.e. broken) mode */
+ #undef  MUSL_DYNAMIC_LINKER
+-#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-arm.so.1"
++#define MUSL_DYNAMIC_LINKER \
++	"%{mfloat-abi=hard:/lib/ld-musl-armhf.so.1}" \
++	"%{mfloat-abi=soft*:/lib/ld-musl-arm.so.1}" \
++	"%{!mfloat-abi=*:/lib/ld-musl-armhf.so.1}"
+ 
+ /* At this point, bpabi.h will have clobbered LINK_SPEC.  We want to
+    use the GNU/Linux version, not the generic BPABI version.  */
diff --git a/main/gcc/gcc-4.8-musl.patch b/main/gcc/gcc-4.8-musl.patch
index 4c32a3e589..dcc9ad71ad 100644
--- a/main/gcc/gcc-4.8-musl.patch
+++ b/main/gcc/gcc-4.8-musl.patch
@@ -1,4 +1,3 @@
-11b7c7e47a01 tip
 # HG changeset patch
 # Parent 6b1b8174ce29396d7dbd482296f43eba38948222
 Support for arm-linux-musl.
@@ -32,6 +31,19 @@ diff -r 6b1b8174ce29 libitm/config/arm/hwcap.cc
  #include <elf.h>
  
  static void __attribute__((constructor))
+--- a/gcc/configure
++++ b/gcc/configure
+@@ -26970,6 +26970,9 @@
+       gcc_cv_target_dl_iterate_phdr=no
+     fi
+     ;;
++  *-linux-musl*)
++    gcc_cv_target_dl_iterate_phdr=yes
++    ;;
+ esac
+ 
+ if test x$gcc_cv_target_dl_iterate_phdr = xyes; then
+
 # HG changeset patch
 # Parent 2b29df135cf04fe23c38301f6d0fc5796366aecf
 Adding -mmusl as a musl libc specifier, and the necessary hacks for it to know how to find musl's dynamic linker.
@@ -180,6 +192,246 @@ diff -r 2b94537ce249 libgomp/config/posix/time.c
  #include <unistd.h>
  #if TIME_WITH_SYS_TIME
 # HG changeset patch
+# Parent 94e435662aff38e86c9ca0dff4bbf451e0190b34
+Get rid of ever-broken fixincludes on musl.
+
+
+diff -r 94e435662aff -r e27957848dc8 fixincludes/mkfixinc.sh
+--- a/fixincludes/mkfixinc.sh	Sat Jul 27 23:37:20 2013 -0400
++++ b/fixincludes/mkfixinc.sh	Sat Jul 27 23:43:03 2013 -0400
+@@ -19,7 +19,8 @@
+     powerpc-*-eabi*    | \
+     powerpc-*-rtems*   | \
+     powerpcle-*-eabisim* | \
+-    powerpcle-*-eabi* )
++    powerpcle-*-eabi* | \
++    *-musl* )
+ 	#  IF there is no include fixing,
+ 	#  THEN create a no-op fixer and exit
+ 	(echo "#! /bin/sh" ; echo "exit 0" ) > ${target}
+# HG changeset patch
+# Parent 8eb8b35e72f3987450f5050db45d6e4425084fb5
+libssp is provided in musl libc.
+
+diff -r 8eb8b35e72f3 gcc/configure
+--- a/gcc/configure	Mon Aug 26 15:14:02 2013 -0400
++++ b/gcc/configure	Mon Aug 26 15:46:55 2013 -0400
+@@ -26764,7 +26764,8 @@
+          gcc_cv_libc_provides_ssp=yes
+       fi
+ 	;;
+-       *-*-gnu*)
++       *-*-gnu* | \
++       *-linux-musl*)
+ 	 # Avoid complicated tests (see
+ 	 # <http://gcc.gnu.org/ml/gcc/2008-10/msg00130.html>) and for now
+ 	 # simply assert that glibc does provide this, which is true for all
+diff -r 8eb8b35e72f3 gcc/configure.ac
+--- a/gcc/configure.ac	Mon Aug 26 15:14:02 2013 -0400
++++ b/gcc/configure.ac	Mon Aug 26 15:46:55 2013 -0400
+@@ -4747,7 +4747,8 @@
+          gcc_cv_libc_provides_ssp=yes
+       fi]
+ 	;;
+-       *-*-gnu*)
++       *-*-gnu* | \
++       *-linux-musl*)
+ 	 # Avoid complicated tests (see
+ 	 # <http://gcc.gnu.org/ml/gcc/2008-10/msg00130.html>) and for now
+ 	 # simply assert that glibc does provide this, which is true for all
+@@ -4817,6 +4818,9 @@
+       gcc_cv_target_dl_iterate_phdr=no
+     fi
+     ;;
++  *-linux-musl*)
++    gcc_cv_target_dl_iterate_phdr=yes
++    ;;
+ esac
+ GCC_TARGET_TEMPLATE([TARGET_DL_ITERATE_PHDR])
+ if test x$gcc_cv_target_dl_iterate_phdr = xyes; then
+diff -r 8eb8b35e72f3 libssp/Makefile.am
+--- a/libssp/Makefile.am	Mon Aug 26 15:14:02 2013 -0400
++++ b/libssp/Makefile.am	Mon Aug 26 15:46:55 2013 -0400
+@@ -36,7 +36,11 @@
+ 
+ AM_CFLAGS = -Wall
+ 
++if LIBSSP_IN_LIBC
++toolexeclib_LTLIBRARIES = libssp_nonshared.la
++else
+ toolexeclib_LTLIBRARIES = libssp.la libssp_nonshared.la
++endif
+ 
+ target_noncanonical = @target_noncanonical@
+ libsubincludedir = $(libdir)/gcc/$(target_noncanonical)/$(gcc_version)/include
+diff -r 8eb8b35e72f3 libssp/Makefile.in
+--- a/libssp/Makefile.in	Mon Aug 26 15:14:02 2013 -0400
++++ b/libssp/Makefile.in	Mon Aug 26 15:46:55 2013 -0400
+@@ -93,12 +93,17 @@
+ libssp_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \
+ 	$(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+ 	$(libssp_la_LDFLAGS) $(LDFLAGS) -o $@
++@LIBSSP_IN_LIBC_FALSE@am_libssp_la_rpath = -rpath $(toolexeclibdir)
+ am_libssp_nonshared_la_OBJECTS = libssp_nonshared_la-ssp-local.lo
+ libssp_nonshared_la_OBJECTS = $(am_libssp_nonshared_la_OBJECTS)
+ libssp_nonshared_la_LINK = $(LIBTOOL) --tag=CC $(AM_LIBTOOLFLAGS) \
+ 	$(LIBTOOLFLAGS) --mode=link $(CCLD) \
+ 	$(libssp_nonshared_la_CFLAGS) $(CFLAGS) \
+ 	$(libssp_nonshared_la_LDFLAGS) $(LDFLAGS) -o $@
++@LIBSSP_IN_LIBC_FALSE@am_libssp_nonshared_la_rpath = -rpath \
++@LIBSSP_IN_LIBC_FALSE@	$(toolexeclibdir)
++@LIBSSP_IN_LIBC_TRUE@am_libssp_nonshared_la_rpath = -rpath \
++@LIBSSP_IN_LIBC_TRUE@	$(toolexeclibdir)
+ DEFAULT_INCLUDES = -I.@am__isrc@
+ depcomp = $(SHELL) $(top_srcdir)/../depcomp
+ am__depfiles_maybe = depfiles
+@@ -258,7 +263,8 @@
+ @LIBSSP_USE_SYMVER_GNU_TRUE@@LIBSSP_USE_SYMVER_TRUE@version_dep = $(srcdir)/ssp.map
+ @LIBSSP_USE_SYMVER_SUN_TRUE@@LIBSSP_USE_SYMVER_TRUE@version_dep = ssp.map-sun
+ AM_CFLAGS = -Wall
+-toolexeclib_LTLIBRARIES = libssp.la libssp_nonshared.la
++@LIBSSP_IN_LIBC_FALSE@toolexeclib_LTLIBRARIES = libssp.la libssp_nonshared.la
++@LIBSSP_IN_LIBC_TRUE@toolexeclib_LTLIBRARIES = libssp_nonshared.la
+ libsubincludedir = $(libdir)/gcc/$(target_noncanonical)/$(gcc_version)/include
+ nobase_libsubinclude_HEADERS = ssp/ssp.h ssp/string.h ssp/stdio.h ssp/unistd.h
+ libssp_la_SOURCES = \
+@@ -414,9 +420,9 @@
+ 	  rm -f "$${dir}/so_locations"; \
+ 	done
+ libssp.la: $(libssp_la_OBJECTS) $(libssp_la_DEPENDENCIES) 
+-	$(libssp_la_LINK) -rpath $(toolexeclibdir) $(libssp_la_OBJECTS) $(libssp_la_LIBADD) $(LIBS)
++	$(libssp_la_LINK) $(am_libssp_la_rpath) $(libssp_la_OBJECTS) $(libssp_la_LIBADD) $(LIBS)
+ libssp_nonshared.la: $(libssp_nonshared_la_OBJECTS) $(libssp_nonshared_la_DEPENDENCIES) 
+-	$(libssp_nonshared_la_LINK) -rpath $(toolexeclibdir) $(libssp_nonshared_la_OBJECTS) $(libssp_nonshared_la_LIBADD) $(LIBS)
++	$(libssp_nonshared_la_LINK) $(am_libssp_nonshared_la_rpath) $(libssp_nonshared_la_OBJECTS) $(libssp_nonshared_la_LIBADD) $(LIBS)
+ 
+ mostlyclean-compile:
+ 	-rm -f *.$(OBJEXT)
+diff -r 8eb8b35e72f3 libssp/configure
+--- a/libssp/configure	Mon Aug 26 15:14:02 2013 -0400
++++ b/libssp/configure	Mon Aug 26 15:46:55 2013 -0400
+@@ -626,6 +626,8 @@
+ ssp_have_usable_vsnprintf
+ EGREP
+ GREP
++LIBSSP_IN_LIBC_FALSE
++LIBSSP_IN_LIBC_TRUE
+ LIBSSP_USE_SYMVER_SUN_FALSE
+ LIBSSP_USE_SYMVER_SUN_TRUE
+ LIBSSP_USE_SYMVER_GNU_FALSE
+@@ -735,6 +737,7 @@
+ enable_multilib
+ enable_dependency_tracking
+ enable_symvers
++enable_ssp_in_libc
+ enable_shared
+ enable_static
+ with_pic
+@@ -1374,6 +1377,7 @@
+   --disable-dependency-tracking  speeds up one-time build
+   --enable-dependency-tracking   do not reject slow dependency extractors
+   --disable-symvers       disable symbol versioning for libssp
++  --enable-ssp-in-libc    do not build SSP, as it is in libc
+   --enable-shared[=PKGS]  build shared libraries [default=yes]
+   --enable-static[=PKGS]  build static libraries [default=yes]
+   --enable-fast-install[=PKGS]
+@@ -4206,6 +4210,36 @@
+ fi
+ 
+ 
++# musl provides libssp in libc
++{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether libssp is provided in libc" >&5
++$as_echo_n "checking whether libssp is provided in libc... " >&6; }
++# Check whether --enable-ssp_in_libc was given.
++if test "${enable_ssp_in_libc+set}" = set; then :
++  enableval=$enable_ssp_in_libc; ssp_in_libc=$enableval
++else
++  ssp_in_libc=check
++fi
++
++if test "x$ssp_in_libc" = "xcheck"; then
++  case "$host" in
++    *-musl*)
++      ssp_in_libc=yes
++      ;;
++
++    *)
++      ssp_in_libc=no
++      ;;
++  esac
++fi
++ if test "x$ssp_in_libc" = xyes; then
++  LIBSSP_IN_LIBC_TRUE=
++  LIBSSP_IN_LIBC_FALSE='#'
++else
++  LIBSSP_IN_LIBC_TRUE='#'
++  LIBSSP_IN_LIBC_FALSE=
++fi
++
++
+ 
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5
+ $as_echo_n "checking for grep that handles long lines and -e... " >&6; }
+@@ -10658,7 +10692,7 @@
+   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
+   lt_status=$lt_dlunknown
+   cat > conftest.$ac_ext <<_LT_EOF
+-#line 10661 "configure"
++#line 10695 "configure"
+ #include "confdefs.h"
+ 
+ #if HAVE_DLFCN_H
+@@ -10764,7 +10798,7 @@
+   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
+   lt_status=$lt_dlunknown
+   cat > conftest.$ac_ext <<_LT_EOF
+-#line 10767 "configure"
++#line 10801 "configure"
+ #include "confdefs.h"
+ 
+ #if HAVE_DLFCN_H
+@@ -11193,6 +11227,10 @@
+   as_fn_error "conditional \"LIBSSP_USE_SYMVER_SUN\" was never defined.
+ Usually this means the macro was only invoked conditionally." "$LINENO" 5
+ fi
++if test -z "${LIBSSP_IN_LIBC_TRUE}" && test -z "${LIBSSP_IN_LIBC_FALSE}"; then
++  as_fn_error "conditional \"LIBSSP_IN_LIBC\" was never defined.
++Usually this means the macro was only invoked conditionally." "$LINENO" 5
++fi
+ 
+ : ${CONFIG_STATUS=./config.status}
+ ac_write_fail=0
+diff -r 8eb8b35e72f3 libssp/configure.ac
+--- a/libssp/configure.ac	Mon Aug 26 15:14:02 2013 -0400
++++ b/libssp/configure.ac	Mon Aug 26 15:46:55 2013 -0400
+@@ -114,6 +114,26 @@
+ AM_CONDITIONAL(LIBSSP_USE_SYMVER_GNU, [test "x$ssp_use_symver" = xgnu])
+ AM_CONDITIONAL(LIBSSP_USE_SYMVER_SUN, [test "x$ssp_use_symver" = xsun])
+ 
++# musl provides libssp in libc
++AC_MSG_CHECKING([whether libssp is provided in libc])
++AC_ARG_ENABLE(ssp_in_libc,
++AC_HELP_STRING([--enable-ssp-in-libc],
++  [do not build SSP, as it is in libc]),
++ssp_in_libc=$enableval,
++ssp_in_libc=check)
++if test "x$ssp_in_libc" = "xcheck"; then
++  case "$host" in
++    *-musl*)
++      ssp_in_libc=yes
++      ;;
++
++    *)
++      ssp_in_libc=no
++      ;;
++  esac
++fi
++AM_CONDITIONAL(LIBSSP_IN_LIBC, [test "x$ssp_in_libc" = xyes])
++
+ AC_CHECK_HEADERS(alloca.h malloc.h paths.h syslog.h string.h unistd.h fcntl.h stdio.h limits.h)
+ 
+ if test x$gcc_no_link = xyes; then
+# HG changeset patch
 # Parent f50bb54f331f73405131a30b4f353cfda1c70304
 Use the generic implementation of libstdc++ primitives when we're on musl, not the glibc one.
 
@@ -342,6 +594,49 @@ diff -r 2ffe76b215fd libgcc/config/rs6000/linux-unwind.h
  
  #define MD_FROB_UPDATE_CONTEXT frob_update_context
  
+diff -r 7cba4201a2ae libgcc/unwind-dw2-fde-dip.c
+--- a/libgcc/unwind-dw2-fde-dip.c	Sat Jul 27 22:53:05 2013 -0400
++++ b/libgcc/unwind-dw2-fde-dip.c	Sat Jul 27 22:57:08 2013 -0400
+@@ -46,33 +46,13 @@
+ #include "unwind-compat.h"
+ #include "gthr.h"
+ 
+-#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
+-    && (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2) \
+-	|| (__GLIBC__ == 2 && __GLIBC_MINOR__ == 2 && defined(DT_CONFIG)))
++#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) && defined(TARGET_DL_ITERATE_PHDR)
+ # define USE_PT_GNU_EH_FRAME
+-#endif
+-
+-#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
+-    && defined(__BIONIC__)
+-# define USE_PT_GNU_EH_FRAME
+-#endif
+-
+-#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
+-    && defined(__FreeBSD__) && __FreeBSD__ >= 7
+-# define ElfW __ElfN
+-# define USE_PT_GNU_EH_FRAME
+-#endif
+-
+-#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
+-    && defined(__OpenBSD__)
+-# define ElfW(type) Elf_##type
+-# define USE_PT_GNU_EH_FRAME
+-#endif
+-
+-#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
+-    && defined(TARGET_DL_ITERATE_PHDR) \
+-    && defined(__sun__) && defined(__svr4__)
+-# define USE_PT_GNU_EH_FRAME
++# ifdef __OpenBSD__
++#  define ElfW(type) Elf_##typ
++# elif defined(__FreeBSD__) && __FreeBSD__ >= 7
++#  define ElfW __ElfN
++# endif
+ #endif
+ 
+ #if defined(USE_PT_GNU_EH_FRAME)
 # HG changeset patch
 # Parent 3ea10cd626cb7abdfd56d3fe8d2c9ed58a82797b
 Support for i386-linux-musl and x86_64-linux-musl.