refs #5086 Adding cmake settings for Clang compatibility with c++0x on darwin.

git-svn-id: file:///svn/toku/tokudb@47172 c7de825b-a66e-492c-adef-691d508d4ae1

cmake_modules/TokuSetupCTest.cmake

@@ -120,7 +120,7 @@ set(BUILDNAME "${branchname} ${buildname_build_type} ${CMAKE_SYSTEM} ${machine_t
 
 include(CTest)
 
-if (BUILD_TESTING)
+if (BUILD_TESTING OR BUILD_FT_TESTS)
   ## set up full valgrind suppressions file (concatenate the suppressions files)
   file(READ ft/valgrind.suppressions valgrind_suppressions)
   file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/valgrind.suppressions" "${valgrind_suppressions}")
@@ -178,4 +178,4 @@ if (BUILD_TESTING)
   option(RUN_PERF_TESTS "If set, run the perf tests." OFF)
 
   configure_file(CTestCustom.cmake . @ONLY)
-endif (BUILD_TESTING)
+endif (BUILD_TESTING OR BUILD_FT_TESTS)

cmake_modules/TokuSetupCompiler.cmake

@@ -39,6 +39,11 @@ endif (USE_GCOV)
 include(CheckCCompilerFlag)
 include(CheckCXXCompilerFlag)
 
+#####################################################
+## Xcode needs to have this set manually.
+## Other generators (makefiles) ignore this setting.
+set(CMAKE_XCODE_ATTRIBUTE_CLANG_CXX_LIBRARY "libc++")
+
 ## adds a compiler flag if the compiler supports it
 macro(set_cflags_if_supported_named flag flagname)
   check_c_compiler_flag("${flag}" HAVE_C_${flagname})
@@ -86,10 +91,17 @@ set_cflags_if_supported(
   -Wlogical-op
   -Wmissing-format-attribute
   -Wno-error=missing-format-attribute
-  -Wpacked
   -fno-rtti
   -fno-exceptions
   )
+
+## Clang has stricter POD checks.  So, only enable this warning on our other builds (Linux + GCC)
+if (NOT CMAKE_CXX_COMPILER_ID MATCHES Clang)
+  set_cflags_if_supported(
+    -Wpacked
+    )
+endif ()
+
 ## set_cflags_if_supported_named("-Weffc++" -Weffcpp)
 set_ldflags_if_supported(
   -Wno-error=strict-overflow
@@ -134,6 +146,9 @@ if (NOT USE_VALGRIND)
   set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_RELEASE NVALGRIND=1)
 endif ()
 
+## We need to explicitly set this standard library for Xcode builds.
+add_definitions(-stdlib=libc++)
+
 if (CMAKE_CXX_COMPILER_ID MATCHES Intel)
   set(CMAKE_C_FLAGS "-std=c99 ${CMAKE_C_FLAGS}")
   set(CMAKE_CXX_FLAGS "-std=c++0x ${CMAKE_CXX_FLAGS}")