ENH: Refactor CMake project infrastructure

CMakeLists.txt

@@ -2,13 +2,45 @@ cmake_minimum_required(VERSION 3.5.0)
 
 project(qRestAPI)
 
+# --------------------------------------------------------------------------
+# CMake variables
+# --------------------------------------------------------------------------
 set(CMAKE_INCLUDE_CURRENT_DIR 1)
 set(CMAKE_INCLUDE_CURRENT_DIR_IN_INTERFACE 1)
 set(CMAKE_POSITION_INDEPENDENT_CODE 1)
 
+# --------------------------------------------------------------------------
+# Directories
+# --------------------------------------------------------------------------
+#
+# CMake
+#
+set(${PROJECT_NAME}_CMAKE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/CMake)
+set(CMAKE_MODULE_PATH ${qRestAPI_CMAKE_DIR} ${CMAKE_MODULE_PATH})
+#
+# Include
+#
+set(${PROJECT_NAME}_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}
+  CACHE INTERNAL "${PROJECT_NAME} include dirs" FORCE)
+#
+# Library
+#
+set(${PROJECT_NAME}_LIBRARY_DIRS ${CMAKE_CURRENT_BINARY_DIR}
+  CACHE INTERNAL "${PROJECT_NAME} library dirs" FORCE)
+
+# --------------------------------------------------------------------------
+# Options
+# --------------------------------------------------------------------------
 option(BUILD_SHARED_LIBS "Build shared library" ON)
 option(BUILD_TESTING "Test the project" ON)
 
+# --------------------------------------------------------------------------
+# Dependencies
+# --------------------------------------------------------------------------
+
+#
+# Qt
+#
 set(qRestAPI_QT_VERSION "4" CACHE STRING "Expected Qt version")
 mark_as_advanced(qRestAPI_QT_VERSION)
 set_property(CACHE qRestAPI_QT_VERSION PROPERTY STRINGS 4 5 6)
@@ -36,6 +68,9 @@ else()
   set(qRestAPI_STATIC ON)
 endif()
 
+# --------------------------------------------------------------------------
+# Configure headers
+# --------------------------------------------------------------------------
 configure_file(
   qRestAPI_Export.h.in
   ${CMAKE_CURRENT_BINARY_DIR}/qRestAPI_Export.h
@@ -53,6 +88,34 @@ set(KIT_SRCS
   qRestResult.h
   )
 
+# --------------------------------------------------------------------------
+# Install headers
+# --------------------------------------------------------------------------
+if(NOT DEFINED ${PROJECT_NAME}_INSTALL_NO_DEVELOPMENT)
+  set(${PROJECT_NAME}_INSTALL_NO_DEVELOPMENT ON)
+endif()
+
+if(NOT ${PROJECT_NAME}_INSTALL_NO_DEVELOPMENT)
+
+  if(NOT DEFINED ${PROJECT_NAME}_INSTALL_INCLUDE_DIR)
+    set(${PROJECT_NAME}_INSTALL_INCLUDE_DIR include/${PROJECT_NAME})
+  endif()
+
+  file(GLOB headers "${CMAKE_CURRENT_SOURCE_DIR}/*.h")
+  install(
+    FILES ${headers}
+    DESTINATION ${${PROJECT_NAME}_INSTALL_INCLUDE_DIR} COMPONENT Development)
+
+  file(GLOB headers "${CMAKE_CURRENT_BINARY_DIR}/*.h")
+  install(
+    FILES ${headers}
+    DESTINATION ${${PROJECT_NAME}_INSTALL_INCLUDE_DIR} COMPONENT Development)
+endif()
+
+# --------------------------------------------------------------------------
+# Sources
+# --------------------------------------------------------------------------
+
 set(KIT_MOC_SRCS
   qGirderAPI.h
   qMidasAPI.h
@@ -69,16 +132,67 @@ else()
   QT4_WRAP_CPP(KIT_MOC_OUTPUT ${KIT_MOC_SRCS})
 endif()
 
+# --------------------------------------------------------------------------
+# Build qRestAPI library
+# --------------------------------------------------------------------------
 add_library(${PROJECT_NAME} ${KIT_SRCS} ${KIT_MOC_OUTPUT})
 if(qRestAPI_QT_VERSION VERSION_GREATER "4")
   target_link_libraries(${PROJECT_NAME} Qt${qRestAPI_QT_VERSION}::Gui Qt${qRestAPI_QT_VERSION}::Network Qt${qRestAPI_QT_VERSION}::Qml)
 else()
   target_link_libraries(${PROJECT_NAME} ${QT_LIBRARIES})
 endif()
 
-include(CTest)
+# --------------------------------------------------------------------------
+# Install library
+# --------------------------------------------------------------------------
+if(NOT DEFINED ${PROJECT_NAME}_INSTALL_BIN_DIR)
+  set(${PROJECT_NAME}_INSTALL_BIN_DIR bin)
+endif()
+if(NOT DEFINED ${PROJECT_NAME}_INSTALL_LIB_DIR)
+  set(${PROJECT_NAME}_INSTALL_LIB_DIR lib/${PROJECT_NAME})
+endif()
+
+install(TARGETS ${PROJECT_NAME}
+  RUNTIME DESTINATION ${${PROJECT_NAME}_INSTALL_BIN_DIR} COMPONENT RuntimeLibraries
+  LIBRARY DESTINATION ${${PROJECT_NAME}_INSTALL_LIB_DIR} COMPONENT RuntimeLibraries
+  ARCHIVE DESTINATION ${${PROJECT_NAME}_INSTALL_LIB_DIR} COMPONENT Development
+  )
+
+# --------------------------------------------------------------------------
+# Configure support files
+# --------------------------------------------------------------------------
+# Set qRestAPI_INSTALL_CMAKE_DIR
+if(NOT DEFINED ${PROJECT_NAME}_INSTALL_CMAKE_DIR)
+  set(${PROJECT_NAME}_INSTALL_CMAKE_DIR cmake/${PROJECT_NAME})
+endif()
+
+export(TARGETS qRestAPI FILE ${qRestAPI_BINARY_DIR}/qRestAPIExports.cmake)
+
+# Configure qRestAPIConfig.cmake
+configure_file(
+  ${qRestAPI_SOURCE_DIR}/qRestAPIConfig.cmake.in
+  ${qRestAPI_BINARY_DIR}/qRestAPIConfig.cmake @ONLY)
+
+# Configure qRestAPIConfig.cmake
+configure_file(
+  ${qRestAPI_SOURCE_DIR}/qRestAPIInstallConfig.cmake.in
+  ${qRestAPI_BINARY_DIR}/install/qRestAPIConfig.cmake @ONLY)
+
+# --------------------------------------------------------------------------
+# Install configuration files
+# --------------------------------------------------------------------------
+
+# Install qRestAPIConfig cmake files
+install(
+  FILES
+  ${CMAKE_CURRENT_BINARY_DIR}/install/qRestAPIConfig.cmake
+  DESTINATION ${${PROJECT_NAME}_INSTALL_CMAKE_DIR} COMPONENT Development
+  )
+
+# --------------------------------------------------------------------------
+# Testing
 if(BUILD_TESTING)
+include(CTest)
   add_subdirectory(Testing)
 endif()
 
-include(CMake/GenerateqRestAPIConfig.cmake)

qRestAPIConfig.cmake.in

@@ -0,0 +1,5 @@
+include("${CMAKE_CURRENT_BINARY_DIR}/qRestAPIExports.cmake")
+
+set(qRestAPI_CMAKE_DIR "@qRestAPI_CMAKE_DIR@")
+set(qRestAPI_INCLUDE_DIRS "@qRestAPI_INCLUDE_DIRS@")
+set(qRestAPI_LIBRARY_DIRS "@qRestAPI_LIBRARY_DIRS@")

qRestAPIInstallConfig.cmake.in

@@ -0,0 +1,3 @@
+set(qRestAPI_CMAKE_DIR "@CMAKE_INSTALL_PREFIX@/@qRestAPI_INSTALL_CMAKE_DIR@")
+set(qRestAPI_INCLUDE_DIRS "@CMAKE_INSTALL_PREFIX@/@qRestAPI_INSTALL_INCLUDE_DIR@")
+set(qRestAPI_LIB_DIR "@CMAKE_INSTALL_PREFIX@/@qRestAPI_INSTALL_LIB_DIR@")