cmake: build tests,examples option (default on)

Author: scivision

CMakeLists.txt

@@ -69,15 +69,10 @@ install(TARGETS neural)
 # Remove leading or trailing whitespace
 string(REGEX REPLACE "^ | $" "" LIBS "${LIBS}")
 
-# tests
-
-foreach(execid input1d_layer input3d_layer dense_layer conv2d_layer maxpool2d_layer flatten_layer dense_network dense_network_from_keras conv2d_network io_hdf5 keras_read_model)
-  add_executable(test_${execid} test/test_${execid}.f90)
-  target_link_libraries(test_${execid} PRIVATE neural h5fortran::h5fortran jsonfortran::jsonfortran ${LIBS})
-  add_test(test_${execid} bin/test_${execid})
-endforeach()
+if(${PROJECT_NAME}_BUILD_TESTING)
+  add_subdirectory(test)
+endif()
 
-foreach(execid cnn mnist mnist_from_keras simple sine)
-  add_executable(${execid} example/${execid}.f90)
-  target_link_libraries(${execid} PRIVATE neural h5fortran::h5fortran jsonfortran::jsonfortran ${LIBS})
-endforeach()
+if(${PROJECT_NAME}_BUILD_EXAMPLES)
+  add_subdirectory(example)
+endif()

cmake/options.cmake

@@ -1,4 +1,6 @@
 option(SERIAL "Serial execution")
+option(${PROJECT_NAME}_BUILD_TESTING "build ${PROJECT_NAME} tests" true)
+option(${PROJECT_NAME}_BUILD_EXAMPLES "build ${PROJECT_NAME} examples" true)
 
 # Set output paths for modules, archives, and executables
 set(CMAKE_Fortran_MODULE_DIRECTORY ${CMAKE_BINARY_DIR}/include)
@@ -11,3 +13,18 @@ if(SERIAL)
 else()
   message(STATUS "Configuring build for parallel execution")
 endif()
+
+# --- Generally useful CMake project options
+
+# Rpath options necessary for shared library install to work correctly in user projects
+set(CMAKE_INSTALL_NAME_DIR ${CMAKE_INSTALL_PREFIX}/lib)
+set(CMAKE_INSTALL_RPATH ${CMAKE_INSTALL_PREFIX}/lib)
+set(CMAKE_INSTALL_RPATH_USE_LINK_PATH true)
+
+# Necessary for shared library with Visual Studio / Windows oneAPI
+set(CMAKE_WINDOWS_EXPORT_ALL_SYMBOLS true)
+
+# --- auto-ignore build directory
+if(NOT EXISTS ${PROJECT_BINARY_DIR}/.gitignore)
+  file(WRITE ${PROJECT_BINARY_DIR}/.gitignore "*")
+endif()

example/CMakeLists.txt

@@ -0,0 +1,4 @@
+foreach(execid cnn mnist mnist_from_keras simple sine)
+  add_executable(${execid} ${execid}.f90)
+  target_link_libraries(${execid} PRIVATE neural h5fortran::h5fortran jsonfortran::jsonfortran ${LIBS})
+endforeach()

test/CMakeLists.txt

@@ -0,0 +1,6 @@
+foreach(execid input1d_layer input3d_layer dense_layer conv2d_layer maxpool2d_layer flatten_layer dense_network dense_network_from_keras conv2d_network io_hdf5 keras_read_model)
+  add_executable(test_${execid} test_${execid}.f90)
+  target_link_libraries(test_${execid} PRIVATE neural h5fortran::h5fortran jsonfortran::jsonfortran ${LIBS})
+
+  add_test(NAME test_${execid} COMMAND test_${execid})
+endforeach()