[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/meta/meta-clang/recipes-devtools/clang/libcxx_git.bb b/meta/meta-clang/recipes-devtools/clang/libcxx_git.bb
new file mode 100644
index 0000000..ad755b9
--- /dev/null
+++ b/meta/meta-clang/recipes-devtools/clang/libcxx_git.bb
@@ -0,0 +1,80 @@
+# Copyright (C) 2015 Khem Raj <raj.khem@gmail.com>
+# Released under the MIT license (see COPYING.MIT for the terms)
+
+DESCRIPTION = "libc++ is a new implementation of the C++ standard library, targeting C++11"
+HOMEPAGE = "http://libcxx.llvm.org/"
+LICENSE = "MIT | NCSA"
+SECTION = "base"
+
+require clang.inc
+require common-source.inc
+
+inherit cmake pythonnative
+
+DEPENDS += "ninja-native"
+BASEDEPENDS_remove_toolchain-clang = "libcxx"
+DEPENDS_append_toolchain-clang = " virtual/${TARGET_PREFIX}compilerlibs"
+TARGET_CXXFLAGS_remove_toolchain-clang = "--stdlib=libc++"
+TUNE_CCARGS_remove_toolchain-clang = "--rtlib=compiler-rt --stdlib=libc++"
+
+PACKAGECONFIG ??= "unwind"
+PACKAGECONFIG_powerpc = ""
+PACKAGECONFIG_mipsarch = ""
+PACKAGECONFIG_riscv64 = ""
+PACKAGECONFIG[unwind] = "-DLIBCXXABI_USE_LLVM_UNWINDER=ON -DLIBUNWIND_ENABLE_SHARED=OFF -DLIBCXXABI_ENABLE_STATIC_UNWINDER=ON -DLIBCXXABI_LIBUNWIND_INCLUDES=${S}/projects/libunwind/include, -DLIBCXXABI_USE_LLVM_UNWINDER=OFF,"
+
+#PROVIDES += "${@bb.utils.contains('PACKAGECONFIG', 'unwind', 'libunwind', '', d)}"
+LIBUNWIND = "${@bb.utils.contains('PACKAGECONFIG', 'unwind', ';libunwind', '', d)}"
+
+LIC_FILES_CHKSUM = "file://libcxx/LICENSE.TXT;md5=3de3deb8323d5cf3360104190e804a75 \
+                    file://libcxxabi/LICENSE.TXT;md5=9dad5a191d1fc03b31525706040c4ed1 \
+                    file://libunwind/LICENSE.TXT;md5=af2bc0b29ead3c8f201c5486f3c9d59b \
+"
+THUMB_TUNE_CCARGS = ""
+#TUNE_CCARGS += "-nostdlib"
+EXTRA_OECMAKE_append_armv5 = " -D_LIBCXXABI_HAS_ATOMIC_BUILTINS=OFF"
+
+EXTRA_OECMAKE += "\
+                  -DLIBCXX_CXX_ABI=libcxxabi \
+                  -DLIBCXX_USE_COMPILER_RT=YES \
+                  -DLIBCXXABI_USE_COMPILER_RT=YES \
+                  -DCXX_SUPPORTS_CXX11=ON \
+                  -DLIBCXXABI_LIBCXX_INCLUDES=${S}/libcxx/include \
+                  -DLIBCXX_CXX_ABI_INCLUDE_PATHS=${S}/libcxxabi/include \
+                  -DLIBCXX_CXX_ABI_LIBRARY_PATH=${B}/lib \
+                  -DCMAKE_AR=${STAGING_BINDIR_TOOLCHAIN}/${TARGET_PREFIX}llvm-ar \
+                  -DCMAKE_NM=${STAGING_BINDIR_TOOLCHAIN}/${TARGET_PREFIX}llvm-nm \
+                  -DCMAKE_RANLIB=${STAGING_BINDIR_TOOLCHAIN}/${TARGET_PREFIX}llvm-ranlib \
+                  -DLLVM_ENABLE_PROJECTS='libcxx;libcxxabi${LIBUNWIND}' \
+                  -G Ninja \
+                  ${S}/llvm \
+"
+
+EXTRA_OECMAKE_append_class-native = " -DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=OFF"
+EXTRA_OECMAKE_append_class-nativesdk = " -DLIBCXX_ENABLE_ABI_LINKER_SCRIPT=OFF"
+EXTRA_OECMAKE_append_libc-musl = " -DLIBCXX_HAS_MUSL_LIBC=ON "
+
+do_compile() {
+    if ${@bb.utils.contains('PACKAGECONFIG', 'unwind', 'true', 'false', d)}; then
+        ninja -v ${PARALLEL_MAKE} unwind
+    fi
+    ninja -v ${PARALLEL_MAKE} cxxabi
+    ninja -v ${PARALLEL_MAKE} cxx
+}
+
+do_install() {
+    if ${@bb.utils.contains('PACKAGECONFIG', 'unwind', 'true', 'false', d)}; then
+        DESTDIR=${D} ninja ${PARALLEL_MAKE} install-unwind
+        rm -rf ${D}${libdir}/libunwind.so
+    fi
+    DESTDIR=${D} ninja ${PARALLEL_MAKE} install-cxx install-cxxabi
+}
+
+ALLOW_EMPTY_${PN} = "1"
+
+#PROVIDES = "virtual/${TARGET_PREFIX}compilerlibs"
+
+RDEPENDS_${PN}-dev += "${PN}-staticdev"
+
+BBCLASSEXTEND = "native nativesdk"
+TOOLCHAIN_forcevariable = "clang"