[libc-commits] [libc] [libc] Add base for target config within cmake (PR #72318)

[via libc-commits]

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@@ -0,0 +1,16 @@
+# This optional file is used to exclude entrypoints/headers for specific targets.
+
+try_compile(
+  has_sys_random
+  ${CMAKE_CURRENT_BINARY_DIR}
+  SOURCES ${LIBC_SOURCE_DIR}/src/sys/random/linux/getrandom.cpp
+)
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lntue wrote:

We should only do this in overlay mode right?  Since we do know whether the header exists or not in full build mode.

https://github.com/llvm/llvm-project/pull/72318