2 files changed, 63 insertions, 1 deletions

diff --git a/meta/conf/distro/include/tcmode-external-csl.inc b/meta/conf/distro/include/tcmode-external-csl.inc
index 1d82ca1900..0135590060 100644
--- a/meta/conf/distro/include/tcmode-external-csl.inc
+++ b/meta/conf/distro/include/tcmode-external-csl.inc
@@ -4,7 +4,8 @@
 
 EXTERNAL_TOOLCHAIN ?= "/usr/local/csl/${TARGET_ARCH}"
 
-PATH =. "${EXTERNAL_TOOLCHAIN}/bin:"
+TOOLCHAIN_PATH_ADD = "${EXTERNAL_TOOLCHAIN}/bin:"
+PATH =. "${TOOLCHAIN_PATH_ADD}"
 
 CSL_TARGET_SYS_powerpc = "powerpc-linux-gnu"
 CSL_TARGET_SYS_powerpc64 = "powerpc-linux-gnu"
@@ -12,6 +13,8 @@ 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 = "${CSL_TARGET_SYS}-"
@@ -41,6 +44,8 @@ TOOLCHAIN_OPTIONS = " --sysroot=${STAGING_DIR_HOST}"
 def csl_target_core(d):
     coredata = {
         'armv7a-vfp-neon': 'armv7-a-neon',
+        'i586': 'sgxx-glibc',
+        'i686': 'sgxx-glibc',
         'mips': 'mips32',
         'mipsel': 'el',
         'ppce500': 'te500v1',
@@ -51,3 +56,55 @@ def csl_target_core(d):
     return coredata.get(d.getVar('TUNE_PKGARCH', True), '')
 
 CSL_TARGET_CORE = "${@csl_target_core(d)}"
+
+# Unfortunately, the CSL ia32 toolchain has non-prefixed binaries in its
+# bindir (e.g. gcc, ld). To avoid this messing up our build, we avoid adding
+# this bindir to our PATH, and instead add symlinks to the prefixed binaries
+# to our staging toolchain bindir.
+
+python toolchain_metadata_setup () {
+    if not isinstance(e, bb.event.ConfigParsed):
+        return
+
+    d = e.data
+
+    if d.getVar('TUNE_PKGARCH', True) in ('i586', 'i686'):
+        d.setVar('TOOLCHAIN_PATH_ADD', '')
+}
+addhandler toolchain_metadata_setup
+
+python toolchain_setup () {
+    if not isinstance(e, bb.event.BuildStarted):
+        return
+
+    d = e.data
+
+    if d.getVar('TUNE_PKGARCH', True) in ('i586', 'i686'):
+        populate_toolchain_links(d)
+}
+addhandler toolchain_setup
+
+def populate_toolchain_links(d):
+    import errno
+    import os
+    from glob import glob
+
+    d = d.createCopy()
+    d.finalize()
+
+    pattern = bb.data.expand('${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))
diff --git a/meta/recipes-core/meta/external-csl-toolchain.bb b/meta/recipes-core/meta/external-csl-toolchain.bb
index 37ea271eb1..a866e3e3dd 100644
--- a/meta/recipes-core/meta/external-csl-toolchain.bb
+++ b/meta/recipes-core/meta/external-csl-toolchain.bb
@@ -60,6 +60,11 @@ external_toolchain_sysroot_adjust() {
                rm -f ${SYSROOT_DESTDIR}/${CSL_TARGET_CORE}
                ln -s . ${SYSROOT_DESTDIR}/${CSL_TARGET_CORE}
        fi
+
+       if [ "${TUNE_PKGARCH}" = "i586" ]; then
+               rm -f ${SYSROOT_DESTDIR}/system32
+               ln -s . ${SYSROOT_DESTDIR}/system32
+       fi
 }
 
 GLIBC_INTERNAL_USE_BINARY_LOCALE ?= "compile"