Add recipe for arm_none_eabi_gcc

* Do NOT use for Haiku development. This is a GCC without standard
libraries for bare-metal programming on embedded platforms.

sys-devel/arm_none_eabi_gcc/arm_none_eabi_gcc-4.8.2_2014_03_20.recipe

@@ -0,0 +1,126 @@
+SUMMARY="C/C++ cross-compiler for ARM"
+DESCRIPTION="
+Compiler for ARM processors.
+"
+HOMEPAGE="http://gcc.gnu.org"
+
+srcGitRev="c20a732df8f8b6d0f32c872817f3a0498a5c4761"
+SRC_URI="https://github.com/haiku/buildtools/archive/$srcGitRev.tar.gz"
+CHECKSUM_SHA256="6d3b677cd8ef777bf6fb3186a15b5122e46345595a996370325c758b3d8a4ab6"
+SRC_FILENAME="$portVersionedName.tar.gz"
+REVISION="1"
+LICENSE="
+	GNU GPL v2
+	GNU LGPL v2
+	"
+COPYRIGHT="1988-2013 Free Software Foundation, Inc."
+
+
+ARCHITECTURES="x86 x86_64 arm"
+if [ $effectiveTargetArchitecture != x86_gcc2 ]; then
+	# x86_gcc2 is fine as primary target architecture as long as we're building
+	# for a different secondary architecture.
+	ARCHITECTURES="$ARCHITECTURES x86_gcc2"
+fi
+SECONDARY_ARCHITECTURES="x86"
+
+targetArch="arm-none-eabi"
+targetU="arm_none_eabi"
+
+PROVIDES="
+	${targetU}_gcc$secondaryArchSuffix = $portVersion compat >= 4
+	cmd:${targetU}_c++$secondaryArchSuffix = $portVersion compat >= 4
+	cmd:${targetU}_cc$secondaryArchSuffix = $portVersion compat >= 4
+	cmd:${targetU}_cpp$secondaryArchSuffix = $portVersion compat >= 4
+	cmd:${targetU}_g++$secondaryArchSuffix = $portVersion compat >= 4
+	cmd:${targetU}_gcc$secondaryArchSuffix = $portVersion compat >= 4
+	cmd:${targetU}_gcc_4.8.2$secondaryArchSuffix = $portVersion compat >= 4
+	cmd:${targetU}_gcov$secondaryArchSuffix = $portVersion compat >= 4
+	lib:${targetU}_libstdc++$secondaryArchSuffix = $portVersion compat >= 4
+	"
+
+REQUIRES="
+	haiku$secondaryArchSuffix >= $haikuVersion
+	cmd:${targetU}_as$secondaryArchSuffix
+	lib:libstdc++$secondaryArchSuffix
+	"
+BUILD_REQUIRES="
+	cmd:${targetU}_as$secondaryArchSuffix
+	"
+BUILD_PREREQUIRES="
+	haiku${secondaryArchSuffix}_devel >= $haikuVersion
+	cmd:autoconf
+	cmd:awk
+	cmd:bison
+	cmd:find
+	cmd:flex
+	cmd:gcc$secondaryArchSuffix
+	cmd:ld$secondaryArchSuffix
+	cmd:make
+	cmd:makeinfo
+	cmd:sed
+	cmd:strip
+	cmd:tar
+	cmd:xargs
+	"
+
+SOURCE_DIR="buildtools-$srcGitRev/gcc"
+
+sourceDir=$(pwd)
+relativeInstallDir="develop/tools/${targetArch}"
+installDir="$prefix/$relativeInstallDir"
+objectsDir=$(pwd)/../${portVersionedName}-obj
+
+BUILD()
+{
+	rm -rf $objectsDir
+
+	# Touch some files generated by bison, so that bison won't run to update
+	# them. Fixes issues with newer bison versions.
+	# And while at it, touch gperf target, too (as gperf may not be installed).
+	(cd $sourceDir/gcc; touch c-parse.c c-parse.h cexp.c cp/parse.c \
+		cp/parse.h c-gperf.h)
+
+	mkdir -p $objectsDir
+	cd $objectsDir
+
+	# Setting a quoted string in an environment variable is ugly (the quotes
+	# are removed at various stages and need an absurd amount of escaping), so
+	# let's use a file and --include instead.
+	echo '#define LIBRARY_PATH_ENV "ARM_LIBRARY_PATH"' > haiku_host.h
+
+	CXXFLAGS="-O2 -include $objectsDir/haiku_host.h" \
+	CFLAGS="-O2 -U_FORTIFY_SOURCE" "$sourceDir/configure" \
+		--build=$effectiveTargetMachineTriple \
+		--prefix=$installDir --libexecdir=$installDir/lib --mandir=$manDir \
+		--docdir=$docDir --disable-nls --disable-libssp --with-gnu-ld \
+		--enable-languages=c,c++ --enable-lto --enable-frame-pointer \
+		--enable-multilib --disable-shared \
+		--without-headers --with-newlib \
+		--with-pkgversion=$(echo $portVersion | cut -c 7-) --target=$targetArch
+
+	make $jobArgs all-gcc all-target-libgcc
+}
+
+INSTALL()
+{
+	cd $objectsDir
+
+	make install-gcc install-target-libgcc
+
+	### Symlinks ##############################################
+
+	echo "Creating required symlinks"
+
+	# make all tools available via default paths
+	mkdir -p $binDir
+	for f in c++ cc cpp g++ gcc gcov; do
+		symlinkRelative -sfn $installDir/bin/$targetArch-$f $binDir
+	done
+
+	### Cleanup ###############################################
+
+	echo "Cleanup"
+	rm -rf $installDir/info
+	rm -rf $installDir/share
+}