Fix -Wno-c++11-narrowing flag and disable c++11 on Darwin with

PythonModular
Travis: install jinja2 on osx job

.travis.yml

@@ -53,6 +53,7 @@ virtualenv:
 before_install:
  - if [ -z $OSX ] ; then sudo apt-get update -qq ; else brew update ; fi
  - if [ -z $OSX ] ; then sudo apt-get install -qq libbz2-dev cdbs libarpack2-dev libatlas-base-dev libblas-dev libglpk-dev libhdf5-serial-dev zlib1g-dev libxml2-dev libreadline6-dev libreadline-dev libsnappy-dev liblzo2-dev liblzma-dev liblapack-dev gdb cmake python-jinja2 $EXTRA_PACKAGES ; else brew install cmake ; fi
+ - if [ $OSX ] ; then curl -O https://raw.github.com/rudix-mac/package-manager/master/rudix.py && sudo python rudix.py install rudix && sudo rudix install jinja2 ; fi
  - $CUSTOM_PKG
 before_script: 
   - mkdir build

CMakeLists.txt

@@ -65,22 +65,28 @@ IF(CMAKE_COMPILER_IS_GNUCXX)
 ENDIF()
 
 # check for supported c++11 features
-INCLUDE(CheckCXX11Features)
-
-IF(_HAS_CXX11_FLAG)
-	LIST(APPEND DEFINES HAVE_CXX11)
-	SET(HAVE_CXX11 1)
-	SET(CMAKE_CXX_FLAGS "${CXX11_COMPILER_FLAGS} ${CMAKE_CXX_FLAGS}")
-ENDIF()
+#
+# clang with -std=c++11 and -stdlib=libc++ does not work
+# well with swig generated cxx for python
+# hence disable c++11 for this case.
+IF (NOT (DARWIN AND PythonModular))
+	INCLUDE(CheckCXX11Features)
+
+	IF(_HAS_CXX11_FLAG)
+		LIST(APPEND DEFINES HAVE_CXX11)
+		SET(HAVE_CXX11 1)
+		SET(CMAKE_CXX_FLAGS "${CXX11_COMPILER_FLAGS} ${CMAKE_CXX_FLAGS}")
+	ENDIF()
 
-IF(_HAS_CXX0X_FLAG)
-	LIST(APPEND DEFINES HAVE_CXX0X)
-	SET(HAVE_CXX0X 1)
-	SET(CMAKE_CXX_FLAGS "${CXX11_COMPILER_FLAGS} ${CMAKE_CXX_FLAGS}")
-ENDIF()
+	IF(_HAS_CXX0X_FLAG)
+		LIST(APPEND DEFINES HAVE_CXX0X)
+		SET(HAVE_CXX0X 1)
+		SET(CMAKE_CXX_FLAGS "${CXX11_COMPILER_FLAGS} ${CMAKE_CXX_FLAGS}")
+	ENDIF()
 
-IF (HAVE_CXX11_ATOMIC)
-	LIST(APPEND DEFINES HAVE_CXX11_ATOMIC)
+	IF (HAVE_CXX11_ATOMIC)
+		LIST(APPEND DEFINES HAVE_CXX11_ATOMIC)
+	ENDIF()
 ENDIF()
 
 # cpu tuning params
@@ -457,7 +463,6 @@ ENDIF()
 
 # python modular
 IF (PythonModular)
-	set(PythonLibs_FIND_VERSION ${PYTHON_VERSION_STRING})
 	FIND_PACKAGE(PythonLibs REQUIRED)
 	FIND_PACKAGE(NumPy REQUIRED)
 

src/interfaces/python_modular/CMakeLists.txt

@@ -4,7 +4,7 @@ include_directories(${PYTHON_INCLUDE_PATH} ${NUMPY_INCLUDE_DIRS})
 #TODO: check for SWIG version where this bug has been applied already:
 # https://github.com/swig/swig/pull/70
 
-SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wnoc++11-narrowing")
+SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-c++11-narrowing")
 
 GENERATE_MODULAR_TARGET(python ${CMAKE_CURRENT_SOURCE_DIR} ${PYTHON_LIBRARIES})