Update CMake to the reference app-template. WIP

Change-Id: Icbab921e8ae3380c09cf5b2f5e7f4ba4a59e4c6e
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>

2 files changed, 39 insertions, 19 deletions

diff --git a/CAN-binder/etc/config.cmake b/CAN-binder/etc/config.cmake
index 7893de0b..804db6a1 100644
--- a/CAN-binder/etc/config.cmake
+++ b/CAN-binder/etc/config.cmake
@@ -34,8 +34,7 @@ set(CMAKE_BUILD_TYPE "DEBUG")
 
 # Compiler selection if needed. Overload the detected compiler.
 # -----------------------------------------------
-#set(CMAKE_C_COMPILER "gcc")
-#set(CMAKE_CXX_COMPILER "g++")
+ set (gcc_minimal_version 4.9) 
 
 # PKG_CONFIG required packages
 # -----------------------------
@@ -57,7 +56,7 @@ set(CMAKE_CXX_FLAGS "-std=c++11")
 # Print a helper message when every thing is finished
 # ----------------------------------------------------
 set(CLOSING_MESSAGE "Test with: afb-daemon --rootdir=\$\$(pwd)/low-can-binding/package --ldpaths=\$\$(pwd)/low-can-binding/package/lib --port=1234 --roothttp=\$\$(pwd)/low-can-binding/package/htdocs --tracereq=common --token=\"\" --verbose")
-
+set(WIDGET_MESSAGE "Install widget file using in the target : afm-util install ${PROJECT_NAME}.wgt")
 
 # (BUG!!!) as PKG_CONFIG_PATH does not work [should be an env variable]
 # ---------------------------------------------------------------------
diff --git a/CAN-binder/etc/macros.cmake b/CAN-binder/etc/macros.cmake
index 184f8ba3..9d34aa7e 100644
--- a/CAN-binder/etc/macros.cmake
+++ b/CAN-binder/etc/macros.cmake
@@ -34,18 +34,27 @@ macro(PROJECT_TARGET_ADD TARGET_NAME)
 	# Cmake does not maintain targets list before 3.7
 	# -------------------------------------------------
 	if(${CMAKE_VERSION} VERSION_LESS 3.7)
-		set(GLOBAL_TARGET_LIST ${PROJECT_TARGETS})
+		set(GLOBAL_TARGET_LIST ${PROJECT_TARGETS} CACHE INTERNAL "Hold project targets")
 	else()
 		get_property(GLOBAL_TARGET_LIST GLOBAL PROPERTY GlobalTargetList)
 	endif()
 endmacro(PROJECT_TARGET_ADD)
 
+# Check GCC minimal version version
+if (gcc_minimal_version)
+   message ("-- Check gcc_minimal_version (found gcc version ${CMAKE_C_COMPILER_VERSION})  (found g++ version ${CMAKE_CXX_COMPILER_VERSION})")
+if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS ${gcc_minimal_version} OR CMAKE_C_COMPILER_VERSION VERSION_LESS ${gcc_minimal_version})
+    message(FATAL_ERROR "**** FATAL: Require at least gcc-${gcc_minimal_version} please set CMAKE_C[XX]_COMPILER")
+endif()
+endif(gcc_minimal_version)
+
 macro(defstr name value)
 	add_definitions(-D${name}=${value})
 endmacro(defstr)
 
 # WGT packaging
 macro(project_targets_populate)
+	add_custom_target(MAIN_POPULATE)
 	foreach(TARGET ${PROJECT_TARGETS})
 		get_target_property(T ${TARGET} LABELS)
 		if(T)
@@ -70,36 +79,42 @@ macro(project_targets_populate)
 					COMMAND mkdir -p ${WIDGET_LIBDIR}
 					COMMAND cp ${BD}/${P}${OUT}.so ${WIDGET_LIBDIR}
 				)
-				add_custom_target(${POPULE_WIDGET_TARGET} ALL DEPENDS ${WIDGET_LIBDIR}/${P}${TARGET}.so)
+				add_custom_target(${POPULE_WIDGET_TARGET} DEPENDS ${WIDGET_LIBDIR}/${P}${TARGET}.so)
+				add_dependencies(MAIN_POPULATE ${POPULE_WIDGET_TARGET}) 
 			elseif(${T} STREQUAL "EXECUTABLE")
 				add_custom_command(OUTPUT ${WIDGET_BINDIR}/${P}${TARGET}
 					DEPENDS ${TARGET}
 					COMMAND mkdir -p ${WIDGET_BINDIR}
 					COMMAND cp ${BD}/${P}${OUT} ${WIDGET_BINDIR}
 				)
-				add_custom_target(${POPULE_WIDGET_TARGET} ALL DEPENDS ${WIDGET_BINDIR}/${P}${TARGET})
+				add_custom_target(${POPULE_WIDGET_TARGET} DEPENDS ${WIDGET_BINDIR}/${P}${TARGET})
+				add_dependencies(MAIN_POPULATE ${POPULE_WIDGET_TARGET}) 
 			elseif(${T} STREQUAL "HTDOCS")
 				add_custom_command(OUTPUT ${WIDGET_HTTPDIR}
 					DEPENDS ${TARGET}
 					COMMAND cp -r ${BD}/${P}${OUT} ${WIDGET_HTTPDIR}
 					)
-					add_custom_target(${POPULE_WIDGET_TARGET} ALL DEPENDS ${WIDGET_HTTPDIR})
+					add_custom_target(${POPULE_WIDGET_TARGET} DEPENDS ${WIDGET_HTTPDIR})
+					add_dependencies(MAIN_POPULATE ${POPULE_WIDGET_TARGET}) 
 			elseif(${T} STREQUAL "DATA")
 				add_custom_command(OUTPUT ${WIDGET_DATADIR}
 					DEPENDS ${TARGET}
 					COMMAND cp -r ${BD}/${P}${OUT} ${WIDGET_DATADIR}
 					)
-					add_custom_target(${POPULE_WIDGET_TARGET} ALL DEPENDS ${WIDGET_HTTPDIR})
+					add_custom_target(${POPULE_WIDGET_TARGET} DEPENDS ${WIDGET_HTTPDIR})
+					add_dependencies(MAIN_POPULATE ${POPULE_WIDGET_TARGET}) 
 			endif(${T} STREQUAL "BINDING")
-			PROJECT_TARGET_ADD(${POPULE_WIDGET_TARGET})
 #		elseif(${CMAKE_BUILD_TYPE} MATCHES "[Dd][Ee][Bb][Uu][Gg]")
-#					MESSAGE(AUTHOR_WARNING "This target, ${TARGET}, will be not be included in the package.")
+#					MESSAGE(WARNING "This target, ${TARGET}, will be not be included in the package.")
 		endif()
 	endforeach()
 endmacro(project_targets_populate)
 
 macro(project_package_build)
-	if("${PROJECT_TARGETS}" MATCHES "project_populate_")
+		if(NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${PROJECT_WGT_DIR}/config.xml.in OR NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${PROJECT_WGT_DIR}/${PROJECT_ICON}.in)
+			MESSAGE(FATAL_ERROR "Missing mandatory files: you need config.xml.in and ${PROJECT_ICON}.in files in ${CMAKE_CURRENT_SOURCE_DIR}/${PROJECT_WGT_DIR} folder.")
+		endif()
+
 		if(NOT EXISTS ${WIDGET_DIR}/config.xml.in OR NOT EXISTS ${WIDGET_DIR}/${PROJECT_ICON}.in)
 			configure_file(${PROJECT_WGT_DIR}/config.xml.in ${WIDGET_DIR}/config.xml)
 			file(COPY ${PROJECT_WGT_DIR}/${PROJECT_ICON}.in DESTINATION ${WIDGET_DIR}/${PROJECT_ICON})
@@ -111,14 +126,19 @@ macro(project_package_build)
 		endif(${PROJECT_CONF_FILES})
 
 		add_custom_command(OUTPUT ${PROJECT_NAME}.wgt
-		DEPENDS ${PROJECT_TARGETS}
-		COMMAND wgtpkg-pack -f -o ${PROJECT_NAME}.wgt ${WIDGET_DIR}
+			DEPENDS ${PROJECT_TARGETS}
+			COMMAND wgtpkg-pack -f -o ${PROJECT_NAME}.wgt ${WIDGET_DIR}
 		)
+		
 		add_custom_target(widget DEPENDS ${PROJECT_NAME}.wgt)
+		add_dependencies(widget MAIN_POPULATE)
 		set(ADDITIONAL_MAKE_CLEAN_FILES, "${PROJECT_NAME}.wgt")
-	else()
-		MESSAGE(FATAL_ERROR "Widget tree empty, please populate it by calling  populate_widget() macro with target you want to include into it.")
-	endif("${PROJECT_TARGETS}" MATCHES "project_populate_")
+
+		if(WIDGET_MESSAGE)
+		add_custom_command(TARGET widget
+			POST_BUILD
+			COMMAND ${CMAKE_COMMAND} -E cmake_echo_color --cyan "++ ${WIDGET_MESSAGE}")
+		endif()
 endmacro(project_package_build)
 
 macro(project_subdirs_add)
@@ -235,13 +255,14 @@ if(EXTRA_DEPENDENCIES_ORDER)
 	)
 endif()
 
-# Print developer helper message when everything is done
+# Print developer helper message when build is done
 # -------------------------------------------------------
 macro(project_closing_msg)
 	if(CLOSING_MESSAGE AND GLOBAL_TARGET_LIST)
-		add_custom_target(${PROJECT_NAME}_done ALL
-			DEPENDS ${DEPENDENCIES_TARGET} ${GLOBAL_TARGET_LIST}
+		add_custom_target(${PROJECT_NAME}_build_done ALL
 			COMMAND ${CMAKE_COMMAND} -E cmake_echo_color --cyan "++ ${CLOSING_MESSAGE}"
 		)
+		 add_dependencies(${PROJECT_NAME}_build_done
+		 	${DEPENDENCIES_TARGET} ${GLOBAL_TARGET_LIST})
 	endif()
 endmacro()