[libc-commits] [libc] [llvm] [libc] Add bare-metal Hexagon port (PR #217528)

[via libc-commits]

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@@ -521,6 +513,25 @@ if(NOT MSVC AND NOT LIBC_CC_SUPPORTS_NOSTDLIBPP)
   string(STRIP ${LIBGCC_S_LOCATION} LIBGCC_S_LOCATION)
 endif()
 
+# Hermetic and integration tests link with -nodefaultlibs, so the compiler
+# runtime builtins have to be linked explicitly. -print-libgcc-file-name
+# reports whichever library the driver would use (libgcc.a or
+# libclang_rt.builtins.a). GPU and UEFI targets do not link a compiler runtime.
+if(LLVM_INCLUDE_TESTS AND LLVM_LIBC_FULL_BUILD AND NOT LIBC_TARGET_OS_IS_GPU AND
+  NOT LIBC_TARGET_OS_IS_UEFI AND
+  NOT LIBC_TEST_BUILTINS_LIBRARY AND NOT LIBC_TEST_BUILTINS_TARGET)
+  execute_process(
+    COMMAND ${CMAKE_CXX_COMPILER} ${LIBC_COMPILE_OPTIONS_DEFAULT}
+      ${LIBC_TEST_LINK_OPTIONS_DEFAULT} -print-libgcc-file-name
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quic-k wrote:

thanks, we now pass CMAKE_CXX_FLAGS so we pick the correct multilib

https://github.com/llvm/llvm-project/pull/217528