[libc-commits] [libc] [libc] fortify jmp buffer for x86-64 (PR #112769)

[Schrodinger ZHU Yifan via libc-commits]

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@@ -2,6 +2,24 @@ if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${LIBC_TARGET_ARCHITECTURE})
   add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/${LIBC_TARGET_ARCHITECTURE})
 endif()
 
+if (LIBC_CONF_SETJMP_ENABLE_FORTIFICATION)
+  set(checksum_flags "-DLIBC_COPT_SETJMP_ENABLE_FORTIFICATION=1")
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SchrodingerZhu wrote:

The way we provide these options make it hard to differentiate default values on different arches. I emit a warning in latest patch.

https://github.com/llvm/llvm-project/pull/112769