From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Fri, 20 Jan 2012 04:07:48 +0000 (+0000)
Subject: cmake: pass -fvisibility-inlines-hidden if it is supported. In a
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b28885057e381068fa109666d54a0e4cd6d68de6;p=oota-llvm.git

cmake: pass -fvisibility-inlines-hidden if it is supported. In a
Release+Asserts build with -DBUILD_SHARED_LIBS=ON, the install
directory goes from 72MB to 70MB.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148530 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/cmake/modules/HandleLLVMOptions.cmake b/cmake/modules/HandleLLVMOptions.cmake
index c316ab63331..33d7d9abadd 100644
--- a/cmake/modules/HandleLLVMOptions.cmake
+++ b/cmake/modules/HandleLLVMOptions.cmake
@@ -88,6 +88,12 @@ if( LLVM_ENABLE_PIC )
     else( SUPPORTS_FPIC_FLAG )
       message(WARNING "-fPIC not supported.")
     endif()
+
+    check_cxx_compiler_flag("-fvisibility-inlines-hidden" SUPPORTS_FVISIBILITY_INLINES_HIDDEN_FLAG)
+    if( SUPPORTS_FVISIBILITY_INLINES_HIDDEN_FLAG )
+      set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility-inlines-hidden")
+      set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fvisibility-inlines-hidden")
+    endif()
   endif()
 endif()