[llvm] r203701 - Use -std=gnu++11 on cygwin and mingw.

[Rafael Espindola]

Author: rafael
Date: Wed Mar 12 15:01:15 2014
New Revision: 203701

URL: http://llvm.org/viewvc/llvm-project?rev=203701&view=rev
Log:
Use -std=gnu++11 on cygwin and mingw.

Without this common features like off_t and strdup are missing.
This should bring back those bots.

Configure bits by Meador Inge.

Modified:
    llvm/trunk/Makefile.rules
    llvm/trunk/cmake/modules/HandleLLVMOptions.cmake

Modified: llvm/trunk/Makefile.rules
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/Makefile.rules?rev=203701&r1=203700&r2=203701&view=diff
==============================================================================
--- llvm/trunk/Makefile.rules (original)
+++ llvm/trunk/Makefile.rules Wed Mar 12 15:01:15 2014
@@ -322,7 +322,13 @@ endif
 ifeq ($(ENABLE_CXX1Y),1)
   CXX.Flags += -std=c++1y
 else
-	CXX.Flags += -std=c++11
+  ifeq ($(HOST_OS), $(filter $(HOST_OS), Cygwin MingW))
+    # MinGW and Cygwin are a bit stricter and lack things like
+    # 'strdup', 'stricmp', etc in c++11 mode.
+    CXX.Flags += -std=gnu++11
+ else
+    CXX.Flags += -std=c++11
+ endif
 endif
 
 ifeq ($(ENABLE_WERROR),1)

Modified: llvm/trunk/cmake/modules/HandleLLVMOptions.cmake
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/cmake/modules/HandleLLVMOptions.cmake?rev=203701&r1=203700&r2=203701&view=diff
==============================================================================
--- llvm/trunk/cmake/modules/HandleLLVMOptions.cmake (original)
+++ llvm/trunk/cmake/modules/HandleLLVMOptions.cmake Wed Mar 12 15:01:15 2014
@@ -293,7 +293,13 @@ elseif( LLVM_COMPILER_IS_GCC_COMPATIBLE
   else()
     check_cxx_compiler_flag("-std=c++11" CXX_SUPPORTS_CXX11)
     if (CXX_SUPPORTS_CXX11)
-      append("-std=c++11" CMAKE_CXX_FLAGS)
+      if (CYGWIN OR MINGW)
+        # MinGW and Cygwin are a bit stricter and lack things like
+        # 'strdup', 'stricmp', etc in c++11 mode.
+        append("-std=gnu++11" CMAKE_CXX_FLAGS)
+      else()
+        append("-std=c++11" CMAKE_CXX_FLAGS)
+      endif()
     else()
       message(FATAL_ERROR "LLVM requires C++11 support but the '-std=c++11' flag isn't supported.")
     endif()