Merge pull request #1937 from cython/travis-ci

Travis-CI: Setup macOS builds

.travis.yml

-language: python
+os: linux
 dist: trusty
 sudo: false
 
+addons:
+  apt:
+    packages:
+      - gdb
+      - python-dbg
+      - python3-dbg
+
 cache:
   pip: true
   directories:
     - $HOME/.ccache
 
+language: python
 python:
   - 2.7
   - 3.6
@@ -30,17 +38,67 @@ env:
     - BACKEND=c
     - BACKEND=cpp
 
+matrix:
+  include:
+    - os: osx
+      osx_image: xcode6.4
+      env: BACKEND=c PY=2
+      python: 2
+      language: c
+      compiler: clang
+      cache: false
+    - os: osx
+      osx_image: xcode6.4
+      env: BACKEND=cpp PY=2
+      python: 2
+      language: cpp
+      compiler: clang
+      cache: false
+    - os: osx
+      osx_image: xcode6.4
+      env: BACKEND=c PY=3
+      python: 3
+      language: c
+      compiler: clang
+      cache: false
+    - os: osx
+      osx_image: xcode6.4
+      env: BACKEND=cpp PY=3
+      python: 3
+      language: cpp
+      compiler: clang
+      cache: false
+  allow_failures:
+    - python: pypy
+    - python: pypy3
+    - python: 3.6-dev
+    - python: 3.7-dev
+  exclude:
+    - python: pypy
+      env: BACKEND=cpp
+    - python: pypy3
+      env: BACKEND=cpp
+
 branches:
   only:
     - master
     - release
 
+before_install:
+  - |
+    if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then # Install Miniconda
+      curl -s -o miniconda.sh https://repo.continuum.io/miniconda/Miniconda$PY-latest-MacOSX-x86_64.sh;
+      bash miniconda.sh -b -p $HOME/miniconda && rm miniconda.sh;
+      export PATH="$HOME/miniconda/bin:$PATH"; hash -r;
+      #conda install --quiet --yes nomkl --file=test-requirements.txt --file=test-requirements-cpython.txt;
+    fi
+
 install:
   - python -c 'import sys; print("Python %s" % (sys.version,))'
   - if [ -n "${TRAVIS_PYTHON_VERSION##*-dev}" -a -n "${TRAVIS_PYTHON_VERSION##2.6*}" ]; then pip install -r test-requirements.txt $( [ -z "${TRAVIS_PYTHON_VERSION##pypy*}" ] || echo " -r test-requirements-cpython.txt" ) ; fi
   - CFLAGS="-O2 -ggdb -Wall -Wextra $(python -c 'import sys; print("-fno-strict-aliasing" if sys.version_info[0] == 2 else "")')" python setup.py build
 
-before_script: ccache -s
+before_script: ccache -s || true
 
 script:
   - PYTHON_DBG="python$( python -c 'import sys; print("%d.%d" % sys.version_info[:2])' )-dbg"
@@ -48,22 +106,3 @@ script:
   - if [ false && "$BACKEND" = "cpp" ]; then pip install pythran; fi  # disabled: needs Pythran > 0.8.1
   - CFLAGS="-O2 -ggdb -Wall -Wextra $(python -c 'import sys; print("-fno-strict-aliasing" if sys.version_info[0] == 2 else "")')" python setup.py build_ext -i
   - CFLAGS="-O0 -ggdb -Wall -Wextra" python runtests.py -vv -x Debugger --backends=$BACKEND -j7
-
-matrix:
-  allow_failures:
-    - python: pypy
-    - python: pypy3
-    - python: 3.6-dev
-    - python: 3.7-dev
-  exclude:
-    - python: pypy
-      env: BACKEND=cpp
-    - python: pypy3
-      env: BACKEND=cpp
-
-addons:
-  apt:
-    packages:
-      - gdb
-      - python-dbg
-      - python3-dbg

Cython/Utility/ModuleSetupCode.c

@@ -512,16 +512,25 @@
       #define CYTHON_FALLTHROUGH [[fallthrough]]
     #elif __has_cpp_attribute(clang::fallthrough)
       #define CYTHON_FALLTHROUGH [[clang::fallthrough]]
+    #elif __has_cpp_attribute(gnu::fallthrough)
+      #define CYTHON_FALLTHROUGH [[gnu::fallthrough]]
     #endif
   #endif
 
   #ifndef CYTHON_FALLTHROUGH
-    #if (defined(__GNUC__) || defined(__clang__)) && __has_attribute(fallthrough)
+    #if __has_attribute(fallthrough)
       #define CYTHON_FALLTHROUGH __attribute__((fallthrough))
     #else
       #define CYTHON_FALLTHROUGH
     #endif
   #endif
+
+  #if defined(__clang__ ) && defined(__apple_build_version__)
+    #if __apple_build_version__ < 7000000 /* Xcode < 7.0 */
+      #undef  CYTHON_FALLTHROUGH
+      #define CYTHON_FALLTHROUGH
+    #endif
+  #endif
 #endif
 
 /////////////// CInitCode ///////////////

Demos/embed/Makefile

 # Makefile for creating our standalone Cython program
 PYTHON := python
 PYVERSION := $(shell $(PYTHON) -c "import sys; print(sys.version[:3])")
+PYPREFIX := $(shell $(PYTHON) -c "import sys; print(sys.prefix)")
 
 INCDIR := $(shell $(PYTHON) -c "from distutils import sysconfig; print(sysconfig.get_python_inc())")
 PLATINCDIR := $(shell $(PYTHON) -c "from distutils import sysconfig; print(sysconfig.get_python_inc(plat_specific=True))")
@@ -31,5 +32,5 @@ clean:
 	@rm -f *~ *.o *.so core core.* *.c embedded test.output
 
 test: clean all
-	LD_LIBRARY_PATH=$(LIBDIR1):$$LD_LIBRARY_PATH ./embedded > test.output
+	PYTHONHOME=$(PYPREFIX) LD_LIBRARY_PATH=$(LIBDIR1):$$LD_LIBRARY_PATH ./embedded > test.output
 	$(PYTHON) assert_equal.py embedded.output test.output

runtests.py

@@ -253,7 +253,6 @@ def update_cpp11_extension(ext):
         update cpp11 extensions that will run on versions of gcc >4.8
     """
     gcc_version = get_gcc_version(ext.language)
-    compiler_version = gcc_version.group(1)
     if gcc_version is not None:
         compiler_version = gcc_version.group(1)
         if float(compiler_version) > 4.8:
@@ -2089,6 +2088,13 @@ def runtests(options, cmd_args, coverage=None):
         sys.stderr.write("Backends: %s\n" % ','.join(backends))
     languages = backends
 
+    if 'TRAVIS' in os.environ and sys.platform == 'darwin' and 'cpp' in languages:
+        bugs_file_name = 'travis_macos_cpp_bugs.txt'
+        exclude_selectors += [
+            FileListExcluder(os.path.join(ROOTDIR, bugs_file_name),
+                             verbose=verbose_excludes)
+        ]
+
     if options.use_common_utility_dir:
         common_utility_dir = os.path.join(WORKDIR, 'utility_code')
         if not os.path.exists(common_utility_dir):

tests/travis_macos_cpp_bugs.txt

+complex_numbers_T305
+complex_numbers_c99_T398
+complex_numbers_cpp
+complex_numbers_cxx_T398
+cpdef_extern_func
+cpp_classes_def
+cpp_smart_ptr
+cpp_stl_conversion
+cpp_stl_function