external-sourcery-toolchain: remove

As per discussion on the mailing list [1], remove this largely
unmaintained external toolchain support in favour of the maintained
version in meta-sourcery [2].

Also correct the example and documentation.conf entries for TCMODE to
match up with this change.

[1] http://lists.openembedded.org/pipermail/openembedded-core/2013-December/087133.html
[2] https://github.com/MentorEmbedded/meta-sourcery/

(From OE-Core rev: 7603b15415301679bccbcb89af688c211704a43a)

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

4 files changed, 1 insertions, 238 deletions

diff --git a/meta/conf/distro/include/csl-versions.inc b/meta/conf/distro/include/csl-versions.inc
deleted file mode 100644
index 3938bf7..0000000
--- a/meta/conf/distro/include/csl-versions.inc
+++ /dev/null
@@ -1,107 +0,0 @@
-def csl_run(d, cmd, *args):
-	import bb.process
-	import subprocess
-
-	topdir = d.getVar('TOPDIR', True)
-	toolchain_path = d.getVar('EXTERNAL_TOOLCHAIN', True)
-	if not toolchain_path:
-		return 'UNKNOWN', 'UNKNOWN'
-
-	target_prefix = d.getVar('TARGET_PREFIX', True)
-	path = os.path.join(toolchain_path, 'bin', target_prefix + cmd)
-	args = [path] + list(args)
-
-	return bb.process.run(args, cwd=topdir, stderr=subprocess.PIPE)
-
-def csl_get_version(d):
-        try:
-		stdout, stderr = csl_run(d, 'gcc', '-v')
-	except bb.process.CmdError as exc:
-		bb.error('Failed to obtain CodeSourcery toolchain version: %s' % exc)
-		bb.error('Make sure that MACHINE is set correctly in your local.conf and the toolchain supports %s.' % d.getVar("TARGET_ARCH", True))
-		return 'UNKNOWN'
-	else:
-		last_line = stderr.splitlines()[-1]
-		return last_line
-
-def csl_get_main_version(d):
-	version = csl_get_version(d)
-	if version != 'UNKNOWN':
-		return version.split()[-1].rstrip(')')
-	else:
-		return version
-
-def csl_get_gcc_version(d):
-	version = csl_get_version(d)
-	if version != 'UNKNOWN':
-		return version.split()[2]
-	else:
-		return version
-
-def csl_get_libc_version(d):
-	syspath = d.expand('${EXTERNAL_TOOLCHAIN}/${CSL_TARGET_SYS}')
-	if not syspath:
-	        return 'UNKNOWN'
-
-	libpath = syspath + '/libc/lib/'
-	if not os.path.exists(libpath):
-		libpath = syspath + '/libc/sgxx-glibc/lib/'
-
-	if os.path.exists(libpath):
-		for file in os.listdir(libpath):
-			if file.find('libc-') == 0:
-				return file[5:-3]
-	return 'UNKNOWN'
-
-def csl_get_kernel_version(d):
-	syspath = d.expand('${EXTERNAL_TOOLCHAIN}/${CSL_TARGET_SYS}')
-	if not syspath:
-	        return 'UNKNOWN'
-
-	vf = syspath + '/libc/usr/include/linux/version.h'
-	if not os.path.exists(vf):
-		vf = syspath + '/libc/sgxx-glibc/usr/include/linux/version.h'
-
-	try:
-		f = open(vf, 'r')
-	except (OSError, IOError):
-		return 'UNKNOWN'
-
-	l = f.readlines();
-	f.close();
-	for s in l:
-		if s.find('LINUX_VERSION_CODE') > 0:
-			ver = int(s.split()[2])
-			maj = ver / 65536
-			ver = ver % 65536
-			min = ver / 256
-			ver = ver % 256
-			return str(maj)+'.'+str(min)+'.'+str(ver)
-	return 'UNKNOWN'
-
-def csl_get_gdb_version(d):
-	try:
-		stdout, stderr = csl_run(d, 'gdb', '-v')
-	except bb.process.CmdError:
-		return 'UNKNOWN'
-	else:
-		first_line = stdout.splitlines()[0]
-		return first_line.split()[-1]
-
-python csl_version_handler () {
-    d = e.data
-    ld = d.createCopy()
-    ld.finalize()
-
-    d.setVar('CSL_VER_MAIN', csl_get_main_version(ld))
-    d.setVar('CSL_VER_GCC', csl_get_gcc_version(ld))
-    d.setVar('CSL_VER_LIBC', csl_get_libc_version(ld))
-    d.setVar('CSL_VER_KERNEL', csl_get_kernel_version(ld))
-    d.setVar('CSL_VER_GDB', csl_get_gdb_version(ld))
-}
-addhandler csl_version_handler
-csl_version_handler[eventmask] = "bb.event.ConfigParsed"
-
-# Ensure that any variable which includes the --sysroot (CC, CXX, etc) also
-# depends on the toolchain version
-TOOLCHAIN_OPTIONS[vardeps] += "CSL_VER_MAIN CSL_VER_GCC"
diff --git a/meta/conf/distro/include/tcmode-external-csl.inc b/meta/conf/distro/include/tcmode-external-csl.inc
deleted file mode 100644
index 9e530ab..0000000
--- a/meta/conf/distro/include/tcmode-external-csl.inc
+++ /dev/null
@@ -1,2 +0,0 @@
-TCMODE = "external-sourcery"
-require conf/distro/include/tcmode-${TCMODE}.inc
diff --git a/meta/conf/distro/include/tcmode-external-sourcery.inc b/meta/conf/distro/include/tcmode-external-sourcery.inc
deleted file mode 100644
index 5590f7a..0000000
--- a/meta/conf/distro/include/tcmode-external-sourcery.inc
+++ /dev/null
@@ -1,128 +0,0 @@
-#
-# Configuration to use external Sourcery G++ toolchain
-#
-
-EXTERNAL_TOOLCHAIN ?= "/usr/local/csl/${TARGET_ARCH}"
-
-TOOLCHAIN_PATH_ADD = "${EXTERNAL_TOOLCHAIN}/bin:"
-PATH =. "${TOOLCHAIN_PATH_ADD}"
-
-CSL_TARGET_SYS_powerpc ?= "powerpc-linux-gnu"
-CSL_TARGET_SYS_powerpc64 ?= "powerpc-linux-gnu"
-CSL_TARGET_SYS_arm ?= "arm-none-linux-gnueabi"
-CSL_TARGET_SYS_mips ?= "mips-linux-gnu"
-CSL_TARGET_SYS_mipsel ?= "mips-linux-gnu"
-CSL_TARGET_SYS_mips64 ?= "mips-linux-gnu"
-CSL_TARGET_SYS_i686 ?= "i686-pc-linux-gnu"
-CSL_TARGET_SYS_i586 ?= "i686-pc-linux-gnu"
-CSL_TARGET_SYS = "${TARGET_SYS}"
-
-TARGET_PREFIX = "${CSL_TARGET_SYS}-"
-
-PREFERRED_PROVIDER_linux-libc-headers = "external-sourcery-toolchain"
-PREFERRED_PROVIDER_linux-libc-headers-dev = "external-sourcery-toolchain"
-PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}gcc = "external-sourcery-toolchain"
-PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}gcc-initial = "external-sourcery-toolchain"
-PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}gcc-intermediate = "external-sourcery-toolchain"
-PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}g++ = "external-sourcery-toolchain"
-PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}binutils = "external-sourcery-toolchain"
-PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}libc-for-gcc = "external-sourcery-toolchain"
-PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}libc-initial = "external-sourcery-toolchain"
-PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}compilerlibs = "external-sourcery-toolchain"
-PREFERRED_PROVIDER_libgcc = "external-sourcery-toolchain"
-PREFERRED_PROVIDER_eglibc = "external-sourcery-toolchain"
-PREFERRED_PROVIDER_virtual/libc = "external-sourcery-toolchain"
-PREFERRED_PROVIDER_virtual/libintl = "external-sourcery-toolchain"
-PREFERRED_PROVIDER_virtual/libiconv = "external-sourcery-toolchain"
-PREFERRED_PROVIDER_glibc-thread-db = "external-sourcery-toolchain"
-PREFERRED_PROVIDER_virtual/linux-libc-headers = "external-sourcery-toolchain"
-PREFERRED_PROVIDER_virtual/linux-libc-headers-dev = "external-sourcery-toolchain"
-PREFERRED_PROVIDER_gdbserver ??= "external-sourcery-toolchain"
-
-# No need to re-compile the locale files
-GLIBC_INTERNAL_USE_BINARY_LOCALE = "precompiled"
-ENABLE_BINARY_LOCALE_GENERATION = ""
-
-TOOLCHAIN_OPTIONS = " --sysroot=${STAGING_DIR_HOST}"
-
-# Point to the appropriate multilib sysroot from the external toolchain, whose
-# files will be extracted into the OE sysroot
-def exttc_run(d, cmd):
-    try:
-        return bb.process.run(cmd, shell=True, env={'PATH': d.getVar('PATH', True)})[0].rstrip()
-    except (OSError, bb.process.CmdError):
-        return ''
-
-EXTERNAL_TOOLCHAIN_SYSROOT_CMD = "${TARGET_PREFIX}gcc ${TARGET_CC_ARCH} -print-sysroot"
-EXTERNAL_TOOLCHAIN_SYSROOT ??= "${@exttc_run(d, EXTERNAL_TOOLCHAIN_SYSROOT_CMD)}"
-
-# These bits are here temporarily to sidestep the need to use a separate set
-# of tune files to pass the appropriate multilib selection arguments to the
-# sourcery toolchain, as is needed to extract the sysroot content.
-TUNE_CCARGS_append_x86 = " -msgxx-glibc"
-
-CSL_MULTILIB_ARGS[ppce500] ?= "-te500v1"
-CSL_MULTILIB_ARGS[ppce500mc] ?= "-te500mc"
-CSL_MULTILIB_ARGS[ppce500v2] ?= "-te500v2"
-CSL_MULTILIB_ARGS[ppce600] ?= "-te600"
-
-def csl_multilib_arg(d):
-    argument = d.getVarFlag('CSL_MULTILIB_ARGS', d.getVar('DEFAULTTUNE', True) or '')
-    if argument:
-        return argument
-    else:
-        return ''
-
-EXTERNAL_TOOLCHAIN_SYSROOT_CMD += "${@csl_multilib_arg(d)}"
-
-
-# Unfortunately, the CSL ia32 toolchain has non-prefixed binaries in its
-# bindir (e.g. gcc, ld). To avoid this messing up our build, we avoid adding
-# this bindir to our PATH, and instead add symlinks to the prefixed binaries
-# to our staging toolchain bindir.
-
-python toolchain_metadata_setup () {
-    d = e.data
-
-    l = d.createCopy()
-    l.finalize()
-    if os.path.exists(bb.data.expand('${EXTERNAL_TOOLCHAIN}/bin/gcc', l)):
-        d.setVar('TOOLCHAIN_PATH_ADD', '')
-}
-addhandler toolchain_metadata_setup
-toolchain_metadata_setup[eventmask] = "bb.event.ConfigParsed"
-
-python toolchain_setup () {
-    d = e.data
-
-    if not d.getVar('TOOLCHAIN_PATH_ADD', True):
-        populate_toolchain_links(d)
-}
-addhandler toolchain_setup
-toolchain_setup[eventmask] = "bb.event.BuildStarted"
-
-def populate_toolchain_links(d):
-    import errno
-    from glob import glob
-
-    d = d.createCopy()
-    d.finalize()
-
-    pattern = d.expand('${EXTERNAL_TOOLCHAIN}/bin/${TARGET_PREFIX}*')
-    files = glob(pattern)
-    if not files:
-        bb.fatal("Unable to populate toolchain binary symlinks in %s" % pattern)
-
-    bindir = d.getVar('STAGING_BINDIR_TOOLCHAIN', True)
-    bb.utils.mkdirhier(bindir)
-    for f in files:
-        base = os.path.basename(f)
-        newpath = os.path.join(bindir, base)
-        try:
-            os.symlink(f, newpath)
-        except OSError as exc:
-            if exc.errno == errno.EEXIST:
-                break
-            bb.fatal("Unable to populate toolchain binary symlink for %s: %s" % (newpath, exc))
-
-require conf/distro/include/csl-versions.inc
diff --git a/meta/conf/documentation.conf b/meta/conf/documentation.conf
index a40b0b8..c96ddd3 100644
--- a/meta/conf/documentation.conf
+++ b/meta/conf/documentation.conf
@@ -260,7 +260,7 @@ TARGET_OS[doc] = "Specifies the target's operating system."
 TARGET_PREFIX[doc] = "The prefix for the cross compile toolchain. E.g arm-linux- ."
 TARGET_SYS[doc] = "The target system is composed out of TARGET_ARCH,TARGET_VENDOR and TARGET_OS."
 TCLIBC[doc] = "Specifies which variant of the GNU standard C library (libc) to use during the build process. You can select eglibc or uclibc."
-TCMODE[doc] = "The toolchain selector. It selects the external toolchain built using the OpenEmbedded build system or a few supported combinations of the upstream GCC or CodeSourcery Labs toolchain."
+TCMODE[doc] = "Enables an external toolchain (where provided by an additional layer) if set to a value other than 'default'."
 TEST_IMAGE[doc] = "Enable test booting of virtual machine images under the qemu emulator after any root filesystems are created and run tests against those images."
 TIME[doc] = "The time the build was started HMS"
 TMPDIR[doc] = "This variable is the temporary directory the OpenEmbedded build system uses when it does its work building images. By default, the TMPDIR variable is named tmp within the Build Directory."