CMakeLists.txt 5.13 KB
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############################################################################
# CMakeLists.txt
# Copyright (C) 2015  Belledonne Communications, Grenoble France
#
############################################################################
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
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#
############################################################################
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cmake_minimum_required(VERSION 3.1)
project(BELR VERSION 1.0.0 LANGUAGES C CXX)

set(BELR_SO_VERSION "1")

option(ENABLE_SHARED "Build shared library." ON)
option(ENABLE_STATIC "Build static library." ON)
option(ENABLE_STRICT "Build with strict compile options." YES)
option(ENABLE_TOOLS "Turn on or off compilation of tools." YES)
option(ENABLE_TESTS "Enable compilation of unit tests." YES)

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list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake")
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if(NOT CPACK_GENERATOR AND NOT CMAKE_INSTALL_RPATH AND CMAKE_INSTALL_PREFIX)
	set(CMAKE_INSTALL_RPATH ${CMAKE_INSTALL_FULL_LIBDIR})
	message(STATUS "Setting install rpath to ${CMAKE_INSTALL_RPATH}")
endif()
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include(GNUInstallDirs)
include(CheckSymbolExists)
include(CMakePushCheckState)
include(CheckCXXCompilerFlag)

if(MSVC)
    add_definitions(-D_CRT_SECURE_NO_WARNINGS)
endif()

# find_package should be invoked here to check for libraries - however do NOT
# call include_directories here (see below)
find_package(bctoolbox 0.0.5 REQUIRED OPTIONAL_COMPONENTS tester)

set(LINK_FLAGS )

if(UNIX AND NOT APPLE)
	include(CheckIncludeFiles)
	check_include_files(libudev.h HAVE_LIBUDEV_H)
endif()

include_directories(
	include
	src
	${CMAKE_CURRENT_BINARY_DIR}
)
if(MSVC)
	include_directories(${MSVC_INCLUDE_DIR})
endif()

set(STRICT_OPTIONS_CPP )
set(STRICT_OPTIONS_C )
set(STRICT_OPTIONS_CXX )
set(STRICT_OPTIONS_OBJC )
if(MSVC)
	if(ENABLE_STRICT)
		list(APPEND STRICT_OPTIONS_CPP "/WX")
	endif()
else()
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	list(APPEND STRICT_OPTIONS_CPP "-Wall" "-Wuninitialized" "-Wno-error=deprecated-declarations")
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	list(APPEND STRICT_OPTIONS_C "-Wdeclaration-after-statement" "-Wstrict-prototypes" "-Wno-error=strict-prototypes")
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	list(APPEND STRICT_OPTIONS_CXX "-std=c++11")
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	if(CMAKE_C_COMPILER_ID MATCHES "Clang")
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		list(APPEND STRICT_OPTIONS_CPP "-Qunused-arguments" "-Wno-array-bounds")
	endif()
	if(APPLE)
		list(APPEND STRICT_OPTIONS_CPP "-Wno-error=unknown-warning-option" "-Qunused-arguments" "-Wno-tautological-compare" "-Wno-unused-function" "-Wno-array-bounds")
	endif()
	if(ENABLE_STRICT)
		list(APPEND STRICT_OPTIONS_CPP "-Werror" "-Wextra" "-Wno-unused-parameter" "-fno-strict-aliasing")
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		CHECK_CXX_COMPILER_FLAG("-Wsuggest-override" SUGGEST_OVERRIDE)
		if(SUGGEST_OVERRIDE)
			list(APPEND STRICT_OPTIONS_CPP "-Wsuggest-override -Werror=suggest-override")
		endif()
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	endif()
endif()
if(STRICT_OPTIONS_CPP)
	list(REMOVE_DUPLICATES STRICT_OPTIONS_CPP)
endif()
if(STRICT_OPTIONS_C)
	list(REMOVE_DUPLICATES STRICT_OPTIONS_C)
endif()

set(BELR_CPPFLAGS ${BCTOOLBOX_CPPFLAGS})
if(ENABLE_STATIC)
	list(APPEND BELR_CPPFLAGS "-DBELR_STATIC")
endif()
if(BELR_CPPFLAGS)
	list(REMOVE_DUPLICATES BELR_CPPFLAGS)
	add_definitions(${BELR_CPPFLAGS})
endif()
add_definitions("-DBELR_EXPORTS")

set(EXPORT_TARGET_NAME "belr")

set(BELR_GRAMMARS_DIR "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_DATADIR}/${EXPORT_TARGET_NAME}/grammars")
set(BELR_GRAMMARS_RELATIVE_DIR "${CMAKE_INSTALL_DATADIR}/${EXPORT_TARGET_NAME}/grammars")

configure_file(${CMAKE_CURRENT_SOURCE_DIR}/config.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/config.h)

add_subdirectory(include)
add_subdirectory(src)
if(ENABLE_TESTS)
  add_subdirectory(tester)
endif()
if(ENABLE_TOOLS)
	add_subdirectory(tools)
endif()

include(CMakePackageConfigHelpers)
set(EXPORT_TARGET_NAME belr)
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set(ConfigPackageLocation "${CMAKE_INSTALL_LIBDIR}/cmake/${EXPORT_TARGET_NAME}")
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export(EXPORT ${EXPORT_TARGET_NAME}Targets
	FILE "${CMAKE_CURRENT_BINARY_DIR}/${EXPORT_TARGET_NAME}Targets.cmake"
)

configure_package_config_file(cmake/BelrConfig.cmake.in
	"${CMAKE_CURRENT_BINARY_DIR}/${EXPORT_TARGET_NAME}Config.cmake"
	INSTALL_DESTINATION ${ConfigPackageLocation}
	NO_SET_AND_CHECK_MACRO
)

install(EXPORT ${EXPORT_TARGET_NAME}Targets
	FILE ${EXPORT_TARGET_NAME}Targets.cmake
	DESTINATION ${ConfigPackageLocation}
)
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#Yes, an install directive is necessary. The INSTALL_DESTINATION parameter of configure_package_config_file() above does NOTHING.
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install(FILES
	"${CMAKE_CURRENT_BINARY_DIR}/${EXPORT_TARGET_NAME}Config.cmake"
	DESTINATION ${ConfigPackageLocation}
)

add_subdirectory(build)