[clang] 3b1d018 - [MinGW][clang-shlib] Build only when LLVM_LINK_LLVM_DYLIB is enabled

[Martin Storsjö via cfe-commits]

Author: Mateusz Mikuła
Date: 2020-10-12T23:28:23+03:00
New Revision: 3b1d018c0dba45408164f5e69cb400976efa350f

URL: https://github.com/llvm/llvm-project/commit/3b1d018c0dba45408164f5e69cb400976efa350f
DIFF: https://github.com/llvm/llvm-project/commit/3b1d018c0dba45408164f5e69cb400976efa350f.diff

LOG: [MinGW][clang-shlib] Build only when LLVM_LINK_LLVM_DYLIB is enabled

Otherwise it's easy to hit 2^16 DLL exports limit.

Differential Revision: https://reviews.llvm.org/D89225

Added: 
    

Modified: 
    clang/tools/CMakeLists.txt

Removed: 
    


################################################################################
diff  --git a/clang/tools/CMakeLists.txt b/clang/tools/CMakeLists.txt
index 85a85812a8d4..84e3fb156f1a 100644
--- a/clang/tools/CMakeLists.txt
+++ b/clang/tools/CMakeLists.txt
@@ -15,7 +15,9 @@ add_clang_subdirectory(c-index-test)
 
 add_clang_subdirectory(clang-rename)
 add_clang_subdirectory(clang-refactor)
-if(UNIX OR MINGW)
+# For MinGW we only enable shared library if LLVM_LINK_LLVM_DYLIB=ON.
+# Without that option resulting library is too close to 2^16 DLL exports limit.
+if(UNIX OR (MINGW AND LLVM_LINK_LLVM_DYLIB))
   add_clang_subdirectory(clang-shlib)
 endif()