1 files changed, 118 insertions, 0 deletions

diff --git a/meta/conf/distro/include/tcmode-external-sourcery.inc b/meta/conf/distro/include/tcmode-external-sourcery.inc
new file mode 100644
index 0000000000..79fef25bd0
--- /dev/null
+++ b/meta/conf/distro/include/tcmode-external-sourcery.inc
@@ -0,0 +1,118 @@
+#
+# 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}compilerlibs = "external-sourcery-toolchain"
+PREFERRED_PROVIDER_libgcc = "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_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=${STAGING_DIR_HOST}"
+
+# Translate to CodeSourcery's names for their optimized files in the toolchain
+def csl_target_core(d):
+    coredata = {
+        'armv7a-vfp-neon': 'armv7-a-neon',
+        'i586': 'sgxx-glibc',
+        'i686': 'sgxx-glibc',
+        'core2': 'sgxx-glibc',
+        'mips': 'mips32',
+        'mipsel': 'el',
+        'powerpc-nf': 'nof',
+        'ppce500': 'te500v1',
+        'ppce500mc': 'te500mc',
+        'ppce500v2': 'te500v2',
+        'ppce600': 'te600'
+    }
+    return coredata.get(d.getVar('TUNE_PKGARCH', True), '')
+
+CSL_TARGET_CORE ?= "${@csl_target_core(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 () {
+    if not isinstance(e, bb.event.ConfigParsed):
+        return
+
+    d = e.data
+
+    l = d.createCopy()
+    l.finalize()
+    if os.path.exists(bb.data.expand('${EXTERNAL_TOOLCHAIN}/bin/gcc', l)):
+        d.setVar('TOOLCHAIN_PATH_ADD', '')
+}
+addhandler toolchain_metadata_setup
+
+python toolchain_setup () {
+    if not isinstance(e, bb.event.BuildStarted):
+        return
+
+    d = e.data
+
+    if not d.getVar('TOOLCHAIN_PATH_ADD', True):
+        populate_toolchain_links(d)
+}
+addhandler toolchain_setup
+
+def populate_toolchain_links(d):
+    import errno
+    import os
+    from glob import glob
+
+    d = d.createCopy()
+    d.finalize()
+
+    pattern = d.expand('${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.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