[libc-commits] [libc] [libc] [startup] add cmake function to merge separated crt1 objects (PR #75413)

[Joseph Huber via libc-commits]

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@@ -27,18 +70,24 @@ function(add_startup_object name)
   )
 endfunction()
 
+check_cxx_compiler_flag("-r" LIBC_LINKER_SUPPORTS_RELOCATABLE)
+
+if(NOT LIBC_LINKER_SUPPORTS_RELOCATABLE)
+  message(STATUS "Skipping startup for target architecture ${LIBC_TARGET_ARCHITECTURE}: linker does not support -r")
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jhuber6 wrote:

Do we no longer export any startup files depending on this flag?

https://github.com/llvm/llvm-project/pull/75413