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###########################################################################
# Copyright 2015, 2016, 2017 IoT.bzh
#
# author: Fulup Ar Foll <fulup@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} ${TARGET_NAME} CACHE INTERNAL PROJECT_TARGETS)
endmacro(PROJECT_TARGET_ADD)
macro(defstr name value)
add_definitions(-D${name}=${value})
endmacro(defstr)
macro(setc name value)
if(NOT DEFINED ${name})
set(${name} ${value})
endif(NOT DEFINED ${name})
endmacro(setc)
CMAKE_MINIMUM_REQUIRED(VERSION 3.3)
setc(CMAKE_BUILD_TYPE Debug)
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
set(CMP0048 1)
# Compiler selection should append before project definition
# -----------------------------------------------------------
foreach (GCC_VERSION "6" "5")
execute_process(COMMAND gcc-${GCC_VERSION} -dumpversion RESULT_VARIABLE GCCRC OUTPUT_QUIET ERROR_QUIET)
if(GCCRC EQUAL 0)
set(CMAKE_C_COMPILER "gcc-${GCC_VERSION}")
set(CMAKE_CXX_COMPILER "g++-${GCC_VERSION}")
set(CMAKE_C_VERSION ${GCC_VERSION})
break()
endif(GCCRC EQUAL 0)
endforeach(GCC_VERSION)
# Include project configuration
# ------------------------------
include(${CMAKE_CURRENT_SOURCE_DIR}/etc/config.cmake)
project(${NAME} VERSION ${VERSION})
setc (PROJECT_PRETTY_NAME ${PRETTY_NAME})
setc (PROJECT_DESCRIPTION ${DESCRIPTION})
message(STATUS "")
message(STATUS "Project=${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")
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 guest some smart default
if(NOT BINDINGS_INSTALL_DIR)
message (status "*** ${CMAKE_INSTALL_FULL_LIBDIR}/${PROJECT_NAME}")
set(BINDINGS_INSTALL_DIR ${CMAKE_INSTALL_FULL_LIBDIR}/${PROJECT_NAME})
endif()
# Bindings to compile
# --------------------
file(GLOB filelist "[A-z]*")
foreach(filename ${filelist})
if(EXISTS "${filename}/CMakeLists.txt")
add_subdirectory(${filename})
endif(EXISTS "${filename}/CMakeLists.txt")
endforeach()
# 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()
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