Merge pull request #207 from dean0x7d/cmake

Simplify CMake build using add_subdirectory

example/CMakeLists.txt

@@ -0,0 +1,68 @@
+# Set a default build configuration if none is specified. 'MinSizeRel' produces the smallest binaries
+if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+  message(STATUS "Setting build type to 'MinSizeRel' as none was specified.")
+  set(CMAKE_BUILD_TYPE MinSizeRel CACHE STRING "Choose the type of build." FORCE)
+  set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release"
+    "MinSizeRel" "RelWithDebInfo")
+endif()
+
+set(PYBIND11_EXAMPLES
+  example1.cpp
+  example2.cpp
+  example3.cpp
+  example4.cpp
+  example5.cpp
+  example6.cpp
+  example7.cpp
+  example8.cpp
+  example9.cpp
+  example10.cpp
+  example11.cpp
+  example12.cpp
+  example13.cpp
+  example14.cpp
+  example15.cpp
+  example16.cpp
+  example17.cpp
+  issues.cpp
+)
+
+# Check if Eigen is available
+find_package(Eigen3 QUIET)
+
+if(EIGEN3_FOUND)
+  list(APPEND PYBIND11_EXAMPLES eigen.cpp)
+  message(STATUS "Building Eigen testcase")
+else()
+  message(STATUS "NOT Building Eigen testcase")
+endif()
+
+# Create the binding library
+pybind11_add_module(example example.cpp ${PYBIND11_EXAMPLES})
+pybind11_turn_on_warnings(example)
+
+if(EIGEN3_FOUND)
+  target_include_directories(example PRIVATE ${EIGEN3_INCLUDE_DIR})
+  target_compile_definitions(example PRIVATE -DPYBIND11_TEST_EIGEN)
+endif()
+
+# Always write the output file directly into the 'example' directory (even on MSVC)
+set(CompilerFlags
+  LIBRARY_OUTPUT_DIRECTORY LIBRARY_OUTPUT_DIRECTORY_RELEASE LIBRARY_OUTPUT_DIRECTORY_DEBUG
+  LIBRARY_OUTPUT_DIRECTORY_MINSIZEREL LIBRARY_OUTPUT_DIRECTORY_RELWITHDEBINFO
+  RUNTIME_OUTPUT_DIRECTORY RUNTIME_OUTPUT_DIRECTORY_RELEASE RUNTIME_OUTPUT_DIRECTORY_DEBUG
+  RUNTIME_OUTPUT_DIRECTORY_MINSIZEREL RUNTIME_OUTPUT_DIRECTORY_RELWITHDEBINFO)
+
+foreach(CompilerFlag ${CompilerFlags})
+  set_target_properties(example PROPERTIES ${CompilerFlag} ${PROJECT_SOURCE_DIR}/example)
+endforeach()
+
+set(RUN_TEST ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/run_test.py)
+if(MSVC OR CMAKE_CXX_COMPILER_ID MATCHES "Intel")
+  set(RUN_TEST ${RUN_TEST} --relaxed)
+endif()
+
+foreach(VALUE ${PYBIND11_EXAMPLES})
+  string(REGEX REPLACE "^(.+).cpp$" "\\1" EXAMPLE_NAME "${VALUE}")
+  add_test(NAME ${EXAMPLE_NAME} COMMAND ${RUN_TEST} ${EXAMPLE_NAME})
+endforeach()