Python interpreter and libraries/headers detection.

- The user can now pass its own interpreter.
- Development libraries and headers can be requested.
- Travis-CI switched to new container-based workers.

test/python_interpreter/cmake/autocmake.cfg

@@ -0,0 +1,14 @@
+[project]
+name: example
+
+[cxx]
+source: ../../../modules/cxx.cmake
+
+[python_interpreter]
+source: ../../../modules/python_interpreter.cmake
+
+[default_build_paths]
+source: ../../../modules/default_build_paths.cmake
+
+[src]
+source: ../../../modules/src.cmake

test/python_interpreter/src/CMakeLists.txt

@@ -0,0 +1 @@
+add_executable(example example.cpp)

test/python_interpreter/src/example.cpp

@@ -0,0 +1,7 @@
+#include <iostream>
+
+int main()
+{
+    std::cout << "PASSED";
+    return 0;
+}

test/python_interpreter_custom/cmake/autocmake.cfg

@@ -0,0 +1,14 @@
+[project]
+name: example
+
+[cxx]
+source: ../../../modules/cxx.cmake
+
+[python_interpreter]
+source: ../../../modules/python_interpreter.cmake
+
+[default_build_paths]
+source: ../../../modules/default_build_paths.cmake
+
+[src]
+source: ../../../modules/src.cmake

test/python_interpreter_custom/src/CMakeLists.txt

@@ -0,0 +1 @@
+add_executable(example example.cpp)

test/python_interpreter_custom/src/example.cpp

@@ -0,0 +1,7 @@
+#include <iostream>
+
+int main()
+{
+    std::cout << "PASSED";
+    return 0;
+}

test/python_libs/cmake/autocmake.cfg

@@ -0,0 +1,17 @@
+[project]
+name: example
+
+[cxx]
+source: ../../../modules/cxx.cmake
+
+[python_interpreter]
+source: ../../../modules/python_interpreter.cmake
+
+[python_libs]
+source: ../../../modules/python_libs.cmake
+
+[default_build_paths]
+source: ../../../modules/default_build_paths.cmake
+
+[src]
+source: ../../../modules/src.cmake

test/python_libs/src/CMakeLists.txt

@@ -0,0 +1,2 @@
+add_executable(example example.cpp)
+target_link_libraries(example ${PYTHON_LIBRARIES})

test/python_libs/src/example.cpp

@@ -0,0 +1,11 @@
+#include <iostream>
+#include <Python.h>
+
+int main(int argc, char *argv[])
+{
+    Py_SetProgramName(argv[0]);  /* optional but recommended */
+    Py_Initialize();
+    PyRun_SimpleString("print('PASSED')\n");
+    Py_Finalize();
+    return 0;
+}

test/python_libs_custom/cmake/autocmake.cfg

@@ -0,0 +1,17 @@
+[project]
+name: example
+
+[cxx]
+source: ../../../modules/cxx.cmake
+
+[python_interpreter]
+source: ../../../modules/python_interpreter.cmake
+
+[python_libs]
+source: ../../../modules/python_libs.cmake
+
+[default_build_paths]
+source: ../../../modules/default_build_paths.cmake
+
+[src]
+source: ../../../modules/src.cmake

test/python_libs_custom/src/CMakeLists.txt

@@ -0,0 +1,2 @@
+add_executable(example example.cpp)
+target_link_libraries(example ${PYTHON_LIBRARIES})

test/python_libs_custom/src/example.cpp

@@ -0,0 +1,11 @@
+#include <iostream>
+#include <Python.h>
+
+int main(int argc, char *argv[])
+{
+    Py_SetProgramName(argv[0]);  /* optional but recommended */
+    Py_Initialize();
+    PyRun_SimpleString("print('PASSED')\n");
+    Py_Finalize();
+    return 0;
+}

test/test.py

@@ -193,3 +193,21 @@ def test_fc_lapack():
 @skip_on_windows
 def test_fc_lapack_static():
     configure_build_and_exe('fc_lapack', 'python setup.py --fc=gfortran --static --cmake-options="-DMATH_LIB_SEARCH_ORDER=\'ATLAS;MKL\'"')
+
+
+def test_python_interpreter():
+    configure_build_and_exe('python_interpreter', 'python setup.py --cxx=g++')
+
+
+def test_python_interpreter_custom():
+    python_executable = sys.executable
+    configure_build_and_exe('python_interpreter_custom', 'python setup.py --cxx=g++ --python={}'.format(python_executable))
+
+
+def test_python_libs():
+    configure_build_and_exe('python_libs', 'python setup.py --cxx=g++')
+
+
+def test_python_libs_custom():
+    python_executable = sys.executable
+    configure_build_and_exe('python_libs_custom', 'python setup.py --cxx=g++ --python={}'.format(python_executable))