[clang] [cmake] Reenable libclang.dll when LLVM_ENABLE_PIC (PR #138343)

[via cfe-commits]

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@@ -106,7 +106,7 @@ if (LLVM_EXPORTED_SYMBOL_FILE)
                      DEPENDS ${LIBCLANG_VERSION_SCRIPT_FILE})
 endif()
 
-if((NOT (WIN32 OR CYGWIN) AND LLVM_ENABLE_PIC) OR
+if((NOT CYGWIN AND LLVM_ENABLE_PIC) OR
   ((WIN32 OR CYGWIN) AND NOT LIBCLANG_BUILD_STATIC))
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jeremyd2019 wrote:

I did confirm that `-DLLVM_ENABLE_PIC=OFF -DLIBCLANG_BUILD_STATIC=ON` works to build on Cygwin with GCC, so we do still have a workaround with these changes.

https://github.com/llvm/llvm-project/pull/138343