1 files changed, 101 insertions, 0 deletions

diff --git a/meta-linaro-toolchain/conf/distro/include/tcmode-external-linaro.inc b/meta-linaro-toolchain/conf/distro/include/tcmode-external-linaro.inc
new file mode 100644
index 0000000..19be8af
--- /dev/null
+++ b/meta-linaro-toolchain/conf/distro/include/tcmode-external-linaro.inc
@@ -0,0 +1,101 @@
+#
+# Configuration to use an external Linaro binary toolchain
+#
+
+EXTERNAL_TOOLCHAIN ?= "/usr/local/linaro-binary-toolchain/${TARGET_ARCH}"
+
+TOOLCHAIN_PATH_ADD = "${EXTERNAL_TOOLCHAIN}/bin:"
+PATH =. "${TOOLCHAIN_PATH_ADD}"
+
+ELT_TARGET_SYS_arm ?= "arm-linux-gnueabihf"
+ELT_TARGET_SYS_aarch64 ?= "aarch64-linux-gnu"
+ELT_TARGET_SYS = "${TARGET_SYS}"
+TARGET_PREFIX = "${ELT_TARGET_SYS}-"
+
+GCCMULTILIB_forcevariable = "--disable-multilib"
+IMAGE_LINGUAS_forcevariable = ""
+
+PREFERRED_PROVIDER_linux-libc-headers = "external-linaro-toolchain"
+PREFERRED_PROVIDER_linux-libc-headers-dev = "external-linaro-toolchain"
+PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}gcc = "external-linaro-toolchain"
+PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}gcc-initial = "external-linaro-toolchain"
+PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}g++ = "external-linaro-toolchain"
+PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}binutils = "external-linaro-toolchain"
+PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}libc-for-gcc = "external-linaro-toolchain"
+PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}compilerlibs = "external-linaro-toolchain"
+PREFERRED_PROVIDER_glibc = "external-linaro-toolchain"
+PREFERRED_PROVIDER_libgcc = "external-linaro-toolchain"
+PREFERRED_PROVIDER_virtual/libc = "external-linaro-toolchain"
+PREFERRED_PROVIDER_virtual/libintl = "external-linaro-toolchain"
+PREFERRED_PROVIDER_virtual/libiconv = "external-linaro-toolchain"
+PREFERRED_PROVIDER_glibc-thread-db = "external-linaro-toolchain"
+PREFERRED_PROVIDER_virtual/linux-libc-headers = "external-linaro-toolchain"
+
+TARGET_CPPFLAGS_prepend = " -isystem${EXTERNAL_TOOLCHAIN}/${ELT_TARGET_SYS}/include "
+TARGET_LDFLAGS_prepend = " -L${EXTERNAL_TOOLCHAIN}/${ELT_TARGET_SYS}/lib -Wl,-rpath-link,${EXTERNAL_TOOLCHAIN}/${ELT_TARGET_SYS}/lib "
+
+TOOLCHAIN_OPTIONS = " --sysroot=${STAGING_DIR_HOST}"
+
+DISTRO_FEATURES_LIBC = "ipv4 ipv6 libc-backtrace libc-big-macros libc-bsd libc-cxx-tests libc-catgets libc-crypt \
+                        libc-crypt-ufc libc-db-aliases libc-envz libc-fcvt libc-fmtmsg libc-fstab libc-ftraverse \
+                        libc-getlogin libc-idn libc-inet-anl libc-libm libc-libm-big \
+                        libc-memusage libc-nis libc-nsswitch libc-rcmd libc-rtld-debug libc-spawn libc-streams libc-sunrpc \
+                        libc-utmp libc-utmpx libc-wordexp libc-posix-clang-wchar libc-posix-regexp libc-posix-regexp-glibc \
+                        libc-posix-wchar-io"
+
+ENABLE_BINARY_LOCALE_GENERATION = "0"
+GLIBC_INTERNAL_USE_BINARY_LOCALE = "precompiled"
+
+ERROR_QA[type] ?= "list"
+python toolchain_metadata_setup () {
+    import subprocess
+    if not isinstance(e, bb.event.ConfigParsed):
+        return
+
+    d = e.data
+    l = d.createCopy()
+    l.finalize()
+    oe_import(l)
+
+    external_toolchain = l.getVar('EXTERNAL_TOOLCHAIN', True)
+    if not external_toolchain or external_toolchain == 'UNDEFINED':
+        bb.fatal("Error: EXTERNAL_TOOLCHAIN must be set to the path to your linaro toolchain")
+
+    if not os.path.exists(external_toolchain):
+        bb.fatal("Error: EXTERNAL_TOOLCHAIN path '%s' does not exist" % external_toolchain)
+
+    # The external toolchain may not have been built with the oe-core preferred
+    # gnu hash setting, so ensure that the corresponding sanity check is not an error.
+    error_qa = oe.data.typed_value('ERROR_QA', l)
+    if 'ldflags' in error_qa:
+        error_qa.remove('ldflags')
+        d.setVar('ERROR_QA', ' '.join(error_qa))
+}
+addhandler toolchain_metadata_setup
+
+def populate_toolchain_links(d):
+    import errno
+    import os
+    from glob import glob
+
+    d = d.createCopy()
+    d.finalize()
+
+    pattern = bb.data.expand('${EXTERNAL_TOOLCHAIN}/bin/${TARGET_PREFIX}*', d)
+    files = glob(pattern)
+    if not files:
+        bb.fatal("Unable to populate toolchain binary symlinks")
+
+    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/external-linaro-toolchain-versions.inc