3 files changed, 25 insertions, 0 deletions

diff --git a/classes/clang.bbclass b/classes/clang.bbclass
new file mode 100644
index 0000000..f6cb648
--- /dev/null
+++ b/classes/clang.bbclass
@@ -0,0 +1,10 @@
+
+# Add the necessary override
+TOOLCHAINOVERRIDES = ":toolchain-${TOOLCHAIN}"
+TOOLCHAINOVERRIDES[vardepsexclude] = "TOOLCHAIN"
+
+OVERRIDES .= "${TOOLCHAINOVERRIDES}"
+OVERRIDES[vardepsexclude] += "TOOLCHAINOVERRIDES"
+
+require conf/clang.conf
+
diff --git a/conf/clang.conf b/conf/clang.conf
new file mode 100644
index 0000000..8565721
--- /dev/null
+++ b/conf/clang.conf
@@ -0,0 +1,9 @@
+TOOLCHAIN ?= ""
+
+CC_toolchain-clang  = "${TARGET_PREFIX}clang ${TOOLCHAIN_OPTIONS}"
+CXX_toolchain-clang = "${TARGET_PREFIX}clang++ ${TOOLCHAIN_OPTIONS}"
+CPP_toolchain-clang = "${TARGET_PREFIX}clang ${TOOLCHAIN_OPTIONS} -E"
+CCLD_toolchain-clang = "${TARGET_PREFIX}clang ${TOOLCHAIN_OPTIONS}"
+
+TOOLCHAIN_pn-lzo = "clang"
+DEPENDS_append_pn-lzo = " clang-cross "
diff --git a/conf/layer.conf b/conf/layer.conf
index 91c6ff0..ec86d64 100644
--- a/conf/layer.conf
+++ b/conf/layer.conf
@@ -7,3 +7,9 @@ BBFILES += "${LAYERDIR}/recipes*/*/*.bb ${LAYERDIR}/recipes*/*/*.bbappend"
 BBFILE_COLLECTIONS += "clang-layer"
 BBFILE_PATTERN_clang-layer := "^${LAYERDIR}/"
 BBFILE_PRIORITY_clang-layer = "7"
+
+#PREFERRED_PROVIDER_gcc-cross-initial-${TARGET_ARCH}_forcevariable = "clang-cross"
+#PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}gcc-initial_forcevariable = "clang-cross"
+PREFERRED_PROVIDER_libgcc-initial = "libgcc-initial"
+
+INHERIT += "clang"