MSYS2-packages/llvm/0120-libclang-Cygwin-Use-__declspec-dllexport-for-libclan.patch
2025-07-09 17:24:53 -07:00

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From 301600758f18178b5cfc65626c8fb498c0ad2bfa Mon Sep 17 00:00:00 2001
From: Tomohiro Kashiwada <kikairoya@gmail.com>
Date: Tue, 8 Jul 2025 04:55:53 +0900
Subject: [PATCH] [libclang][Cygwin] Use __declspec(dllexport) for libclang on
Cygwin (#147122)
This is needed for Cygwin build without `-DLLVM_LINK_LLVM_DYLIB=ON`,
otherwise causes a linker error 'export ordinal too large'.
---
clang/include/clang-c/Platform.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/clang/include/clang-c/Platform.h b/clang/include/clang-c/Platform.h
index 67c1fff8ff..8d341ddd6f 100644
--- a/clang/include/clang-c/Platform.h
+++ b/clang/include/clang-c/Platform.h
@@ -22,7 +22,7 @@ LLVM_CLANG_C_EXTERN_C_BEGIN
#ifndef CINDEX_NO_EXPORTS
#define CINDEX_EXPORTS
#endif
-#ifdef _WIN32
+#if defined(_WIN32) || defined(__CYGWIN__)
#ifdef CINDEX_EXPORTS
#ifdef _CINDEX_LIB_
#define CINDEX_LINKAGE __declspec(dllexport)
--
2.50.1.windows.1