https://bugs.llvm.org/show_bug.cgi?id=38124
Bug ID: 38124
Summary: Windows-specific entry points are not marked as extern
C
Product: clang
Version: trunk
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: C++
Assignee: unassignedclangb...@nondot.org
Reporter: ja...@codeweavers.com
CC: dgre...@apple.com, llvm-bugs@lists.llvm.org
When building using clang (not clang-cl) with mingw, entry points like wmain or
WinMain implemented in C++ are not found at link time. GCC just implicitly
marks wmain, WinMain, wWinMain and DllMain as extern "C":
https://github.com/gcc-mirror/gcc/commit/f9f68d3567c26e5324e8f365431cf1a0b13c26ef#diff-9fc0a55518658f06bb07fd3c9fd9352f
clang also has logic for that in FunctionDecl::isMSVCRTEntryPoint, which is
used in MicrosoftMangleContextImpl::shouldMangleCXXName, but it's not applied
for mingw targets.
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