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Diffstat (limited to 'cmake/cmake.d/04-build_options.cmake')
| -rw-r--r-- | cmake/cmake.d/04-build_options.cmake | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/cmake/cmake.d/04-build_options.cmake b/cmake/cmake.d/04-build_options.cmake new file mode 100644 index 0000000..3a1fc81 --- /dev/null +++ b/cmake/cmake.d/04-build_options.cmake @@ -0,0 +1,121 @@ +########################################################################### +# 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" +#-------------------------------------------------------------------------- + +# Check GCC minimal version +if (gcc_minimal_version) + message (STATUS "${Cyan}-- Check gcc_minimal_version (found gcc version ${CMAKE_C_COMPILER_VERSION}) \ + (found g++ version ${CMAKE_CXX_COMPILER_VERSION})${ColourReset}") + if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS ${gcc_minimal_version} OR CMAKE_C_COMPILER_VERSION VERSION_LESS ${gcc_minimal_version}) + message(FATAL_ERROR "${Red}**** FATAL: Require at least gcc-${gcc_minimal_version} please set CMAKE_C[XX]_COMPILER") + endif() +endif(gcc_minimal_version) + +# Check Kernel minimal version +if (kernel_minimal_version) + if(DEFINED ENV{SDKTARGETSYSROOT}) + file(STRINGS $ENV{SDKTARGETSYSROOT}/usr/include/linux/version.h LINUX_VERSION_CODE_LINE REGEX "LINUX_VERSION_CODE") + else() + file(STRINGS /usr/include/linux/version.h LINUX_VERSION_CODE_LINE REGEX "LINUX_VERSION_CODE") + endif() + + string(REGEX MATCH "[0-9]+" LINUX_VERSION_CODE ${LINUX_VERSION_CODE_LINE}) + math(EXPR a "${LINUX_VERSION_CODE} >> 16") + math(EXPR b "(${LINUX_VERSION_CODE} >> 8) & 255") + math(EXPR c "(${LINUX_VERSION_CODE} & 255)") + + set(KERNEL_VERSION "${a}.${b}.${c}") + message (STATUS "${Cyan}-- Check kernel_minimal_version (found kernel version ${KERNEL_VERSION})${ColourReset}") + + if (KERNEL_VERSION VERSION_LESS ${kernel_minimal_version}) + message(FATAL_ERROR "${Red}**** FATAL: Require at least ${kernel_minimal_version} please use a recent kernel or source your SDK environment then clean and reconfigure your CMake project.") + endif (KERNEL_VERSION VERSION_LESS ${kernel_minimal_version}) +endif(kernel_minimal_version) + +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) + +set(CMAKE_C_FLAGS_PROFILING "-g -O2 -pg -Wp,-U_FORTIFY_SOURCE" CACHE STRING "Flags for profiling") +set(CMAKE_C_FLAGS_DEBUG "-g -O2 -ggdb -Wp,-U_FORTIFY_SOURCE" CACHE STRING "Flags for debugging") +set(CMAKE_C_FLAGS_RELEASE "-O2" CACHE STRING "Flags for releasing") +set(CMAKE_C_FLAGS_CCOV "-g -O2 --coverage" CACHE STRING "Flags for coverage test") + +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") + +# Env variable overload default +if(DEFINED ENV{INSTALL_PREFIX}) + set (INSTALL_PREFIX $ENV{INSTALL_PREFIX}) +else() + set(INSTALL_PREFIX "${CMAKE_SOURCE_DIR}/Install" CACHE PATH "The path where to install") +endif() +set(CMAKE_INSTALL_PREFIX ${INSTALL_PREFIX} CACHE STRING "Installation Prefix") + +# (BUG!!!) as PKG_CONFIG_PATH does not work [should be en env variable] +set(PKG_CONFIG_USE_CMAKE_PREFIX_PATH ON CACHE BOOLEAN "Flag for using prefix path") + +# Loop on required package and add options +foreach (PKG_CONFIG ${PKG_REQUIRED_LIST}) + string(REGEX REPLACE "[<>]?=.*$" "" XPREFIX ${PKG_CONFIG}) + PKG_CHECK_MODULES(${XPREFIX} REQUIRED ${PKG_CONFIG}) + + INCLUDE_DIRECTORIES(${${XPREFIX}_INCLUDE_DIRS}) + list (APPEND link_libraries ${${XPREFIX}_LDFLAGS}) + add_compile_options (${${XPREFIX}_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}) + +# Default Linkflag +if(NOT BINDINGS_LINK_FLAG) + set(BINDINGS_LINK_FLAG "-Wl,--version-script=${PKG_TEMPLATE_PREFIX}/cmake/export.map") +endif() |