Define LLVM_GLOBAL_VISIBILITY to be __declspec(dllexport) on

windows systems.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112700 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/Support/Compiler.h b/include/llvm/Support/Compiler.h
index b2ce76d285ef76489f88247fe5bd1c6b68894a93..14b36f80522d88961183d446e798611414edf833 100644 (file)
--- a/include/llvm/Support/Compiler.h
+++ b/include/llvm/Support/Compiler.h
@@ -24,7 +24,10 @@
 /// into a shared library, then the class will be accessible from outside the
 /// the library.  Can also be used to mark variables and functions, making them
 /// accessible from outside any shared library they are linked into.
 /// into a shared library, then the class will be accessible from outside the
 /// the library.  Can also be used to mark variables and functions, making them
 /// accessible from outside any shared library they are linked into.

-#if (__GNUC__ >= 4) && !defined(__MINGW32__) && !defined(__CYGWIN__)
+#if defined(__MINGW32__) || defined(__CYGWIN__)
+#define LLVM_LIBRARY_VISIBILITY
+#define LLVM_GLOBAL_VISIBILITY __declspec(dllexport)
+#elif (__GNUC__ >= 4)

 #define LLVM_LIBRARY_VISIBILITY __attribute__ ((visibility("hidden")))
 #define LLVM_GLOBAL_VISIBILITY __attribute__ ((visibility("default")))
 #else
 #define LLVM_LIBRARY_VISIBILITY __attribute__ ((visibility("hidden")))
 #define LLVM_GLOBAL_VISIBILITY __attribute__ ((visibility("default")))
 #else