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[1/2] clang-native: Add class to use clang as native compiler

Message ID 20250701190633.2324784-1-raj.khem@gmail.com
State New
Headers show
Series [1/2] clang-native: Add class to use clang as native compiler | expand

Commit Message

Khem Raj July 1, 2025, 7:06 p.m. UTC 
Some recipes demand full clang/llvm builds e.g. chromium we need to use
clang as native toolchain. This class collects all needed bits to enable
OE built clang to provide the clang native toolchain

Setting

PREFERRED_TOOLCHAIN_NATIVE = "clang"

in recipe will chose clang for native toolchain

Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
 meta/classes/toolchain/clang-native.bbclass | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 meta/classes/toolchain/clang-native.bbclass
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Patch

diff --git a/meta/classes/toolchain/clang-native.bbclass b/meta/classes/toolchain/clang-native.bbclass
new file mode 100644
index 00000000000..adb22883806
--- /dev/null
+++ b/meta/classes/toolchain/clang-native.bbclass
@@ -0,0 +1,18 @@ 
+BUILD_CC = "${CCACHE}${BUILD_PREFIX}clang ${BUILD_CC_ARCH}"
+BUILD_CXX = "${CCACHE}${BUILD_PREFIX}clang++ ${BUILD_CC_ARCH}"
+BUILD_FC = "${BUILD_PREFIX}gfortran ${BUILD_CC_ARCH}"
+BUILD_CPP = "${BUILD_PREFIX}clang ${BUILD_CC_ARCH} -E"
+BUILD_LD = "${BUILD_PREFIX}ld ${BUILD_LD_ARCH}"
+BUILD_CCLD = "${BUILD_PREFIX}clang ${BUILD_CC_ARCH}"
+BUILD_AR = "${BUILD_PREFIX}llvm-ar"
+BUILD_AS = "${BUILD_PREFIX}as ${BUILD_AS_ARCH}"
+BUILD_RANLIB = "${BUILD_PREFIX}llvm-ranlib -D"
+BUILD_STRIP = "${BUILD_PREFIX}llvm-strip"
+BUILD_OBJCOPY = "${BUILD_PREFIX}llvm-objcopy"
+BUILD_OBJDUMP = "${BUILD_PREFIX}llvm-objdump"
+BUILD_NM = "${BUILD_PREFIX}llvm-nm"
+BUILD_READELF = "${BUILD_PREFIX}llvm-readelf"
+
+DEPENDS += " clang-native compiler-rt-native libcxx-native"
+
+LDFLAGS += " --rtlib=libgcc --unwindlib=libgcc"