[libc-commits] [libc] [libc] Fix warning on 'extern "C" int main' in test suite (PR #102973)

[Joseph Huber via libc-commits]

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@@ -43,7 +43,15 @@ TestOptions parseOptions(int argc, char **argv) {
 
 } // anonymous namespace
 
-extern "C" int main(int argc, char **argv, char **envp) {
+// The C++ standard forbids declaring the main function with a linkage specifier
+// outisde of 'freestanding' mode, only define the linkage for hermetic tests.
+#ifdef LIBC_HERMETIC_TEST
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jhuber6 wrote:

That's fair, good point.

https://github.com/llvm/llvm-project/pull/102973