[PATCH] D74907: libclang: Make shared object symbol exporting by default

[Cristian Adam via Phabricator via cfe-commits]

cristian.adam created this revision.
cristian.adam added reviewers: yvvan, mstorsjo, thakis.
Herald added subscribers: cfe-commits, mgorny.
Herald added a project: clang.

https://reviews.llvm.org/D74564 enabled static building for libclang, and for 
non CMake consumers they had to set the `CMAKE_EXPORTS` define when consuming 
libclang.

      

This commit makes the non CMake users of the static building have to define 
`CMAKE_NO_EXPORTS`.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D74907

Files:
  clang/include/clang-c/Platform.h
  clang/tools/libclang/CMakeLists.txt


Index: clang/tools/libclang/CMakeLists.txt
===================================================================
--- clang/tools/libclang/CMakeLists.txt
+++ clang/tools/libclang/CMakeLists.txt
@@ -113,8 +113,15 @@
   Support
   )
 
+if(ENABLE_STATIC)
+  foreach(name libclang obj.libclang libclang_static)
+    if (TARGET ${name})
+      target_compile_definitions(${name} PUBLIC CINDEX_NO_EXPORTS)
+    endif()
+  endforeach()
+endif()
+
 if(ENABLE_SHARED)
-  target_compile_definitions(libclang PUBLIC CINDEX_EXPORTS)
   if(WIN32)
     set_target_properties(libclang
       PROPERTIES
Index: clang/include/clang-c/Platform.h
===================================================================
--- clang/include/clang-c/Platform.h
+++ clang/include/clang-c/Platform.h
@@ -19,6 +19,9 @@
 LLVM_CLANG_C_EXTERN_C_BEGIN
 
 /* Windows DLL import/export. */
+#ifndef CINDEX_NO_EXPORTS
+  #define CINDEX_EXPORTS
+#endif
 #ifdef _WIN32
   #ifdef CINDEX_EXPORTS
     #ifdef _CINDEX_LIB_
@@ -27,7 +30,7 @@
       #define CINDEX_LINKAGE __declspec(dllimport)
     #endif
   #endif
-#elif defined(CINDEX_EXPORTS)
+#elif defined(CINDEX_EXPORTS) && defined(__GNUC__)
   #define CINDEX_LINKAGE __attribute__((visibility("default")))
 #endif
 



Index: clang/tools/libclang/CMakeLists.txt
===================================================================
--- clang/tools/libclang/CMakeLists.txt
+++ clang/tools/libclang/CMakeLists.txt
@@ -113,8 +113,15 @@
   Support
   )
 
+if(ENABLE_STATIC)
+  foreach(name libclang obj.libclang libclang_static)
+    if (TARGET ${name})
+      target_compile_definitions(${name} PUBLIC CINDEX_NO_EXPORTS)
+    endif()
+  endforeach()
+endif()
+
 if(ENABLE_SHARED)
-  target_compile_definitions(libclang PUBLIC CINDEX_EXPORTS)
   if(WIN32)
     set_target_properties(libclang
       PROPERTIES
Index: clang/include/clang-c/Platform.h
===================================================================
--- clang/include/clang-c/Platform.h
+++ clang/include/clang-c/Platform.h
@@ -19,6 +19,9 @@
 LLVM_CLANG_C_EXTERN_C_BEGIN
 
 /* Windows DLL import/export. */
+#ifndef CINDEX_NO_EXPORTS
+  #define CINDEX_EXPORTS
+#endif
 #ifdef _WIN32
   #ifdef CINDEX_EXPORTS
     #ifdef _CINDEX_LIB_
@@ -27,7 +30,7 @@
       #define CINDEX_LINKAGE __declspec(dllimport)
     #endif
   #endif
-#elif defined(CINDEX_EXPORTS)
+#elif defined(CINDEX_EXPORTS) && defined(__GNUC__)
   #define CINDEX_LINKAGE __attribute__((visibility("default")))
 #endif
 

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