clang-native.bbclass: Move to classes folder

classes-recipe domain is new and will break kirkstone and need very
recent bitbake, let it settle some dust before adopting it for
meta-clang

Fixes https://github.com/kraj/meta-clang/issues/651

Signed-off-by: Khem Raj <raj.khem@gmail.com>

1 files changed, 23 insertions, 0 deletions

diff --git a/classes/clang-native.bbclass b/classes/clang-native.bbclass
new file mode 100644
index 0000000..51fafcd
--- /dev/null
+++ b/classes/clang-native.bbclass
@@ -0,0 +1,23 @@
+# inherit this class if you would like to use clang to compile the native
+# version of your recipes instead of system compiler ( which is normally gcc )
+# on build machines
+# to use it add
+#
+# inherit clang-native
+#
+# to the concerned recipe via a bbappend or directly to recipe file
+#
+DEPENDS:append:runtime-llvm = " clang-native compiler-rt-native libcxx-native"
+# Use libcxx headers for native parts
+CXXFLAGS:append:runtime-llvm = " -stdlib=libc++"
+BUILD_CXXFLAGS:append:runtime-llvm = " -isysroot=${STAGING_DIR_NATIVE} -stdlib=libc++"
+# Use libgcc for native parts
+LDFLAGS:append:runtime-llvm = " -stdlib=libc++ -rtlib=libgcc -unwindlib=libgcc"
+BUILD_LDFLAGS:append:runtime-llvm = " -stdlib=libc++ -rtlib=libgcc -unwindlib=libgcc"
+BUILD_CC:runtime-llvm  = "${CCACHE}clang -isysroot=${STAGING_DIR_NATIVE}"
+BUILD_CXX:runtime-llvm = "${CCACHE}clang++ -isysroot=${STAGING_DIR_NATIVE}"
+BUILD_CPP:runtime-llvm = "${CCACHE}clang -isysroot=${STAGING_DIR_NATIVE} -E"
+BUILD_CCLD:runtime-llvm = "${CCACHE}clang"
+BUILD_RANLIB:runtime-llvm = "llvm-ranlib"
+BUILD_AR:runtime-llvm = "llvm-ar"
+BUILD_NM:runtime-llvm = "llvm-nm"