compiler-rt: Map the COMPILER_RT_DEFAULT_TARGET_ARCH

COMPILER_RT_DEFAULT_TARGET_ARCH is not 1 to 1 match with HOST_ARCH
especially for armv5/arm4

(From OE-Core rev: 71f7db2e5d264bc6ed50fae48567ae674af9a700)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 10 insertions, 1 deletions

diff --git a/meta/recipes-devtools/clang/compiler-rt_git.bb b/meta/recipes-devtools/clang/compiler-rt_git.bb
index 0a0ef6be80..5044db6249 100644
--- a/meta/recipes-devtools/clang/compiler-rt_git.bb
+++ b/meta/recipes-devtools/clang/compiler-rt_git.bb
@@ -58,6 +58,15 @@ BUILD_CXX = "${CCACHE}clang++ ${BUILD_CC_ARCH}"
 LDFLAGS += "${COMPILER_RT} ${UNWINDLIB}"
 CXXFLAGS += "${LIBCPLUSPLUS}"
 
+def get_compiler_rt_arch(bb, d):
+    if bb.utils.contains('TUNE_FEATURES', 'armv5 thumb dsp', True, False, d):
+        return 'armv5te'
+    elif bb.utils.contains('TUNE_FEATURES', 'armv4 thumb', True, False, d):
+        return 'armv4t'
+    elif bb.utils.contains('TUNE_FEATURES', 'arm vfp callconvention-hard', True, False, d):
+        return 'armhf'
+    return d.getVar('HOST_ARCH')
+
 OECMAKE_TARGET_COMPILE = "compiler-rt"
 OECMAKE_TARGET_INSTALL = "install-compiler-rt install-compiler-rt-headers"
 OECMAKE_SOURCEPATH = "${S}/llvm"
@@ -70,7 +79,7 @@ EXTRA_OECMAKE += "-DCMAKE_BUILD_TYPE=RelWithDebInfo \
                   -DCOMPILER_RT_BUILD_SANITIZERS=OFF \
                   -DCOMPILER_RT_BUILD_MEMPROF=OFF \
                   -DCOMPILER_RT_BUILD_LIBFUZZER=OFF \
-                  -DCOMPILER_RT_DEFAULT_TARGET_ARCH=${HOST_ARCH} \
+                  -DCOMPILER_RT_DEFAULT_TARGET_ARCH=${@get_compiler_rt_arch(bb, d)} \
                   -DLLVM_ENABLE_RUNTIMES='compiler-rt' \
                   -DLLVM_LIBDIR_SUFFIX=${LLVM_LIBDIR_SUFFIX} \
                   -DLLVM_APPEND_VC_REV=OFF \