Make a macro and helpers library instead of Big CMake.

Add two macros to handle widget one to populate widget with wanted target
and other to add generic widget files

Change-Id: I030f078906f151fee49fa2c2fada3d94745f9dfd
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>

1 files changed, 263 insertions, 0 deletions

diff --git a/CAN-binder/etc/agl.cmake b/CAN-binder/etc/agl.cmake
new file mode 100644
index 0000000..b05a273
--- /dev/null
+++ b/CAN-binder/etc/agl.cmake
@@ -0,0 +1,263 @@
+###########################################################################
+# Copyright 2015, 2016, 2017 IoT.bzh
+#
+# author: Fulup Ar Foll <fulup@iot.bzh>
+# contrib: Romain Forlot <romain.forlot@iot.bzh>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+###########################################################################
+
+
+#--------------------------------------------------------------------------
+#  WARNING: 
+#     Do not change this cmake template
+#     Customise your preferences in "./etc/config.cmake"
+#--------------------------------------------------------------------------
+
+
+# Generic useful macro
+# -----------------------
+macro(PROJECT_TARGET_ADD TARGET_NAME)
+	set(PROJECT_TARGETS ${PROJECT_TARGETS} ${TARGET_NAME} CACHE INTERNAL PROJECT_TARGETS)
+	set(TARGET_NAME ${TARGET_NAME})
+endmacro(PROJECT_TARGET_ADD)
+
+macro(defstr name value)
+	add_definitions(-D${name}=${value})
+endmacro(defstr)
+
+macro(setc name value)
+	if(NOT DEFINED ${name})
+	set(${name} ${value})
+	endif(NOT DEFINED ${name})
+endmacro(setc)
+
+# Dumb macro to add each directory under a path. Make sure we grab all header files!
+macro(fill_include_dir path)
+	file(GLOB_RECURSE dirlist LIST_DIRECTORIES true "${path}/*")
+	foreach(filename ${dirlist})
+		if(IS_DIRECTORY ${filename})
+			include_directories(${filename})
+		endif(IS_DIRECTORY ${filename})
+	endforeach()
+endmacro(fill_include_dir)
+
+# Helper function to retrieve source files from a library repo.
+function(find_source_files path)
+	file(GLOB_RECURSE cfiles "${path}/*.[c]")
+	file(GLOB_RECURSE cppfiles "${path}/*.cpp")
+	foreach(filename ${cfiles})
+		if(NOT ${filename} MATCHES ".*([Tt]est|[Ee]xample|[Ss]ample).*")
+			string(APPEND sources "${filename};")
+		endif(NOT ${filename} MATCHES ".*([Tt]est|[Ee]xample|[Ss]ample).*")
+	endforeach()
+	foreach(filename ${cppfiles})
+		if(NOT ${filename} MATCHES ".*([Tt]est|[Ee]xample|[Ss]ample).*")
+			string(APPEND sources "${filename};")
+		endif(NOT ${filename} MATCHES ".*([Tt]est|[Ee]xample|[Ss]ample).*")
+	endforeach()
+	set(sources_files ${sources} PARENT_SCOPE)
+endfunction(find_source_files)
+
+# WGT packaging
+macro(populate_widget)
+	# Declaration of a custom command that will populate widget tree with the target
+	set(POPULE_WIDGET_TARGET "populate_${TARGET_NAME}")
+	get_target_property(T ${TARGET_NAME} LABELS)
+	if(${T} STREQUAL "BINDING")
+		add_custom_command(OUTPUT ${WIDGET_LIBDIR}/${TARGET_NAME}.so
+			DEPENDS ${TARGET_NAME}
+			COMMAND mkdir -p ${WIDGET_LIBDIR}
+			COMMAND cp ${TARGET_NAME}.so ${WIDGET_LIBDIR}
+		)
+		add_custom_target(${POPULE_WIDGET_TARGET} ALL DEPENDS ${WIDGET_LIBDIR}/${TARGET_NAME}.so)
+	endif(${T} STREQUAL "BINDING")
+
+	if(${T} STREQUAL "EXECUTABLE")
+		add_custom_command(OUTPUT ${WIDGET_BINDIR}/${TARGET_NAME}
+			DEPENDS ${TARGET_NAME}
+			COMMAND mkdir -p ${WIDGET_BINDIR}
+			COMMAND cp ${TARGET_NAME} ${WIDGET_BINDIR}
+		)
+		add_custom_target(${POPULE_WIDGET_TARGET} ALL DEPENDS ${WIDGET_BINDIR}/${TARGET_NAME})
+	endif(${T} STREQUAL "EXECUTABLE")
+
+	if(${T} STREQUAL "HTDOCS")
+		get_target_property(OUT ${TARGET_NAME} OUTPUT_NAME)
+		MESSAGE(STATUS "${OUT}")
+		add_custom_command(OUTPUT ${WIDGET_HTTPDIR}
+			DEPENDS ${TARGET_NAME}
+			COMMAND cp -r ${OUT} ${WIDGET_HTTPDIR}
+			)
+			add_custom_target(${POPULE_WIDGET_TARGET} ALL DEPENDS ${WIDGET_HTTPDIR})
+	endif(${T} STREQUAL "HTDOCS")
+
+	if(${T} STREQUAL "DATA")
+		get_target_property(OUT ${TARGET_NAME} OUTPUT_NAME)
+		MESSAGE(STATUS "${OUT}")
+		add_custom_command(OUTPUT ${WIDGET_DATADIR}
+			DEPENDS ${TARGET_NAME}
+			COMMAND cp -r ${OUT} ${WIDGET_DATADIR}
+			)
+			add_custom_target(${POPULE_WIDGET_TARGET} ALL DEPENDS ${WIDGET_HTTPDIR})
+	endif(${T} STREQUAL "DATA")
+
+endmacro(populate_widget)
+
+macro(build_widget)
+	if(NOT EXISTS ${WIDGET_DIR}/config.xml OR NOT EXISTS ${WIDGET_DIR}/icon.png)
+		configure_file(${PROJECT_WGT_DIR}/config.xml.in ${WIDGET_DIR}/config.xml)
+		#file(COPY ${PROJECT_WGT_DIR}/icon.png.in ${WIDGET_DIR}/icon.png)
+	endif(NOT EXISTS ${WIDGET_DIR}/config.xml OR NOT EXISTS ${WIDGET_DIR}/icon.png)
+endmacro(build_widget)
+
+macro(search_targets)
+	file(GLOB filelist "*")
+	foreach(filename ${filelist})
+	if(EXISTS "${filename}/CMakeLists.txt")
+		add_subdirectory(${filename})
+	endif(EXISTS "${filename}/CMakeLists.txt")
+	endforeach()
+endmacro()
+
+CMAKE_MINIMUM_REQUIRED(VERSION 3.3)
+setc(CMAKE_BUILD_TYPE Debug)
+set(CMAKE_POSITION_INDEPENDENT_CODE ON)
+set(CMP0048 1)
+
+# Include project configuration
+# ------------------------------
+include(${CMAKE_CURRENT_SOURCE_DIR}/etc/config.cmake)
+project(${NAME} VERSION ${VERSION})
+setc(PROJECT_PRETTY_NAME "${PRETTY_NAME}")
+setc(PROJECT_DESCRIPTION "${DESCRIPTION}")
+setc(PROJECT_WGT_DIR "packaging/wgt")
+setc(PROJECT_LIBDIR "libs")
+setc(PROJECT_RESOURCES "data")
+
+message(STATUS "")
+message(STATUS "Project=${PROJECT_NAME}/${VERSION}[${PRETTY_NAME} ${DESCRIPTION}]")
+message(STATUS "")
+message(STATUS "gcc/g++ version-${CMAKE_C_VERSION}.x selected")
+
+INCLUDE(FindPkgConfig)
+INCLUDE(CheckIncludeFiles)
+INCLUDE(CheckLibraryExists)
+INCLUDE(GNUInstallDirs)
+
+# Default compilation options
+############################################################################
+link_libraries(-Wl,--as-needed -Wl,--gc-sections)
+add_compile_options(-Wall -Wextra -Wconversion)
+add_compile_options(-Wno-unused-parameter) # frankly not using a parameter does it care?
+add_compile_options(-Wno-sign-compare -Wno-sign-conversion)
+add_compile_options(-Werror=maybe-uninitialized)
+add_compile_options(-Werror=implicit-function-declaration)
+add_compile_options(-ffunction-sections -fdata-sections)
+add_compile_options(-fPIC)
+add_compile_options(-g)
+
+setc(CMAKE_C_FLAGS_PROFILING   "-g -O2 -pg -Wp,-U_FORTIFY_SOURCE")
+setc(CMAKE_C_FLAGS_DEBUG       "-g -O2 -ggdb -Wp,-U_FORTIFY_SOURCE")
+setc(CMAKE_C_FLAGS_RELEASE     "-O2")
+setc(CMAKE_C_FLAGS_CCOV        "-g -O2 --coverage")
+
+set(CMAKE_CXX_FLAGS_PROFILING    "-g -O0 -pg -Wp,-U_FORTIFY_SOURCE")
+set(CMAKE_CXX_FLAGS_DEBUG        "-g -O0 -ggdb -Wp,-U_FORTIFY_SOURCE")
+set(CMAKE_CXX_FLAGS_RELEASE      "-g -O2")
+set(CMAKE_CXX_FLAGS_CCOV "-g -O2 --coverage")
+
+setc(CMAKE_INSTALL_PREFIX      "${CMAKE_SOURCE_DIR}/Install")
+
+# (BUG!!!) as PKG_CONFIG_PATH does not work [should be en env variable]
+setc(PKG_CONFIG_USE_CMAKE_PREFIX_PATH 1)
+
+# Loop on required package and add options
+foreach (PKG_CONFIG ${PKG_REQUIRED_LIST})
+	PKG_CHECK_MODULES(${PKG_CONFIG} REQUIRED ${PKG_CONFIG})
+
+	INCLUDE_DIRECTORIES(${${PKG_CONFIG}_INCLUDE_DIRS})
+	list (APPEND link_libraries ${${PKG_CONFIG}_LIBRARIES})
+	add_compile_options (${${PKG_CONFIG}_CFLAGS})
+endforeach(PKG_CONFIG)
+
+# Optional LibEfence Malloc debug library
+IF(CMAKE_BUILD_TYPE MATCHES DEBUG)
+CHECK_LIBRARY_EXISTS(efence malloc "" HAVE_LIBEFENCE)
+IF(HAVE_LIBEFENCE)
+	MESSAGE(STATUS "Linking with ElectricFence for debugging purposes...")
+	SET(libefence_LIBRARIES "-lefence")
+	list (APPEND link_libraries libefence_LIBRARIES})
+ENDIF(HAVE_LIBEFENCE)
+ENDIF(CMAKE_BUILD_TYPE MATCHES DEBUG)
+
+# set default include directories
+INCLUDE_DIRECTORIES(${EXTRA_INCLUDE_DIRS})
+
+# If no install dir try to guess some smart default
+if(BINDINGS_INSTALL_PREFIX)
+	set(BINDINGS_INSTALL_DIR ${BINDINGS_INSTALL_PREFIX}/${PROJECT_NAME})
+else()
+	set(BINDINGS_INSTALL_DIR ${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME})
+endif()
+
+# Define a default package directory
+if(WIDGET_PREFIX)
+	set(WIDGET_DIR ${WIDGET_PREFIX}/package)
+else()
+	set(WIDGET_DIR ${CMAKE_CURRENT_BINARY_DIR}/package)
+endif()
+
+# and their subsequent subdir
+set(WIDGET_BINDIR ${WIDGET_DIR}/bin)
+set(WIDGET_ETCDIR ${WIDGET_DIR}/etc)
+set(WIDGET_LIBDIR ${WIDGET_DIR}/lib)
+set(WIDGET_HTTPDIR ${WIDGET_DIR}/htdocs)
+set(WIDGET_DATADIR ${WIDGET_DIR}/data)
+
+# Default Linkflag
+if(NOT BINDINGS_LINK_FLAG)
+	set(BINDINGS_LINK_FLAG "-Wl,--version-script=${CMAKE_SOURCE_DIR}/etc/export.map")
+endif()
+
+# Bindings to compile
+# --------------------
+search_targets()
+
+# Add a dummy target to enable global dependency order
+# -----------------------------------------------------
+if(EXTRA_DEPENDENCIES_ORDER)
+	set(DEPENDENCIES_TARGET ${PROJECT_NAME}_extra_dependencies)
+	add_custom_target(${DEPENDENCIES_TARGET} ALL
+		DEPENDS ${EXTRA_DEPENDENCY_ORDER} 
+	)
+endif()
+
+# Cmake does not maintain targets list before 3.7
+# -------------------------------------------------
+if(${CMAKE_VERSION} VERSION_LESS 3.7)
+	set(GLOBAL_TARGET_LIST ${PROJECT_TARGETS})
+else()
+	get_property(GLOBAL_TARGET_LIST GLOBAL PROPERTY GlobalTargetList)
+endif()
+
+# Print developer helper message when everything is done
+# -------------------------------------------------------
+if(CLOSING_MESSAGE AND GLOBAL_TARGET_LIST)
+	add_custom_target(${PROJECT_NAME}_done ALL
+		DEPENDS ${DEPENDENCIES_TARGET} ${GLOBAL_TARGET_LIST}
+		COMMAND ${CMAKE_COMMAND} -E cmake_echo_color --cyan "++ ${CLOSING_MESSAGE}"
+	)
+endif()
+
+set(ADDITIONAL_MAKE_CLEAN_FILES, "low-can-binding/low-can-binding.wgt")