owlps/CMakeLists.txt

239 lines
6.6 KiB
CMake

# This file is part of the Owl Positioning System (OwlPS) project.
# It is subject to the copyright notice and license terms in the
# COPYRIGHT.t2t file found in the top-level directory of this
# distribution and at
# https://code.lm7.fr/mcy/owlps/src/master/COPYRIGHT.t2t
# No part of the OwlPS Project, including this file, may be copied,
# modified, propagated, or distributed except according to the terms
# contained in the COPYRIGHT.t2t file; the COPYRIGHT.t2t file must be
# distributed along with this file, either separately or by replacing
# this notice by the COPYRIGHT.t2t file's contents.
cmake_minimum_required(VERSION 2.8)
project(OwlPS)
### Build paths ###
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin")
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib")
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/lib")
# Path for the generated header files
set(GENERATED_INCLUDE "${PROJECT_BINARY_DIR}/include")
include_directories("${GENERATED_INCLUDE}")
### Dependencies ###
# Note: we test here the dependencies relevant for more than one module;
# other tests are done in each module's directory.
# Add cmake/Modules to the molude path so that CMake can find the
# additional FindXXX modules we (unfortunately have to) ship
set(CMAKE_MODULE_PATH
${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/Modules")
# Check if we've got POSIX threads
set(CMAKE_THREAD_PREFER_PTHREAD on)
find_package(Threads)
if (CMAKE_THREAD_LIBS_INIT AND CMAKE_USE_PTHREADS_INIT)
set(HAVE_PTHREADS true)
endif()
# Check if we've got the Confuse library
find_package(Confuse)
# Check if Doxygen is available
find_package(Doxygen)
### OwlPS' version ###
# First, try to get it from the environment variable OWLPS_VERSION
if (NOT "$ENV{OWLPS_VERSION}" STREQUAL "")
add_definitions(-DOWLPS_VERSION="$ENV{OWLPS_VERSION}")
# Environment variable OWLPS_VERSION not set: try to get the version
# number from git describe
else()
execute_process(
COMMAND git describe
WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
RESULT_VARIABLE RET
OUTPUT_VARIABLE OWLPS_VERSION
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE)
if (${RET} EQUAL 0)
add_definitions(-DOWLPS_VERSION="${OWLPS_VERSION}")
else()
add_definitions(-DOWLPS_VERSION="unknown version")
endif()
endif()
### Options ###
# Configurations
set(CMAKE_CONFIGURATION_TYPES
Debug Release RelWithDebInfo MinSizeRel
CACHE STRING "Set the configurations" FORCE)
# Default configuration
if (NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE RelWithDebInfo
CACHE STRING "Set the default configuration" FORCE)
endif()
### Flags ###
# Specific compiler flags
# These variables are to be used (manually) when compiling a shared
# library or an executable (or static library).
set(SHARED_FLAGS "-fPIC")
set(EXE_FLAGS "-fPIE")
# Common compiler flags
set(C_CXX_COMMON_FLAGS "-Wall -Wextra")
set(C_FLAGS "${C_CXX_COMMON_FLAGS} -Wstrict-prototypes")
set(CXX_FLAGS "${C_CXX_COMMON_FLAGS}")
if (NOT CMAKE_C_FLAGS)
set(CMAKE_C_FLAGS ${C_FLAGS}
CACHE STRING "Set default C flags" FORCE)
endif()
if (NOT CMAKE_CXX_FLAGS)
set(CMAKE_CXX_FLAGS ${CXX_FLAGS}
CACHE STRING "Set default C++ flags" FORCE)
endif()
# Linker flags
# Question: why the hell does CMAKE_SHARED_LINKER_FLAGS contain " "
# by default?!
if ("${CMAKE_SHARED_LINKER_FLAGS}" STREQUAL " ")
set(CMAKE_SHARED_LINKER_FLAGS "-Wl,--no-undefined"
CACHE STRING "Set default shared linker flags" FORCE)
endif()
# Linker flags when linking an executable
# Note: -fpie prevents from building static executables, therefore it
# has been deactivated, but it would be nice to find a work-around
# to allow building dynamic (and semistatic) targets with -pie and
# static ones without.
#if ("${CMAKE_EXE_LINKER_FLAGS}" STREQUAL " ")
# set(CMAKE_EXE_LINKER_FLAGS "-pie -fPIE"
# CACHE STRING "Set default shared linker flags" FORCE)
#endif()
### Libraries targets ###
add_subdirectory(libowlps)
include_directories(libowlps)
add_subdirectory(libowlps-client)
include_directories(libowlps-client)
add_subdirectory(libowlps-resultreader)
include_directories(libowlps-resultreader)
### Programs targets ###
## Aggregator ##
if (HAVE_PTHREADS AND CONFUSE_FOUND)
add_subdirectory(owlps-aggregator)
else() # Warn the user about missing dependencies
if (NOT HAVE_PTHREADS)
message(WARNING
"OwlPS Aggregator dependency missing: POSIX threads")
endif()
if (NOT CONFUSE_FOUND)
message(WARNING
"OwlPS Aggregator dependency missing: libConfuse")
endif()
endif()
## Client ##
add_subdirectory(owlps-client)
## Listener ##
add_subdirectory(owlps-listener)
## Positioner ##
# OwlPS Positioner can be built only with a minimal version of GCC, or
# Clang++. CMAKE_CXX_COMPILER_VERSION is not guaranteed to be set, so we
# will test the version number only if possible.
set(POSITIONER_MIN_GCC_VERSION 4.7)
set(POSITIONER_MIN_CLANG_VERSION 3.2)
if (CMAKE_CXX_COMPILER_ID STREQUAL GNU) # Are we using GCC?
# Test the compiler version if we can
if (${CMAKE_CXX_COMPILER_VERSION} AND
${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS ${POSITIONER_MIN_GCC_VERSION})
# GCC's version is too low
message(WARNING
"OwlPS Positioner requires GCC (g++) >= ${POSITIONER_MIN_GCC_VERSION}")
else()
# GCC's version is OK or we couldn'd get it
add_subdirectory(owlps-positioner)
endif()
elseif (CMAKE_CXX_COMPILER_ID STREQUAL Clang) # Are we using Clang?
if (${CMAKE_CXX_COMPILER_VERSION} AND
${CMAKE_CXX_COMPILER_VERSION} VERSION_LESS ${POSITIONER_MIN_CLANG_VERSION})
# Clang's version is too low
message(WARNING
"OwlPS Positioner requires GCC >= ${POSITIONER_MIN_GCC_VERSION}")
else()
# Clang's version is OK or we couldn'd get it
add_subdirectory(owlps-positioner)
endif()
else() # we're not using GCC
message(WARNING
"OwlPS Positioner requires GCC (>= ${POSITIONER_MIN_GCC_VERSION}) or Clang (>= ${POSITIONER_MIN_CLANG_VERSION})")
endif()
## UDP-to-HTTP ##
if (HAVE_PTHREADS)
add_subdirectory(owlps-udp-to-http)
else() # Warn the user about missing dependencies
message(WARNING
"OwlPS UDP-to-HTTP dependency missing: POSIX threads")
endif()
## Scripts ##
add_subdirectory(scripts)
### Documentation ###
add_subdirectory(doc)
### Meta-targets ###
# The OWLPS_SEMISTATIC_TARGET is defined in subdirectories
add_custom_target(semistatic DEPENDS ${OWLPS_SEMISTATIC_TARGETS})
# The OWLPS_STATIC_TARGET is defined in subdirectories
add_custom_target(static DEPENDS ${OWLPS_STATIC_TARGETS})
### Tests ###
add_custom_target(tests
COMMAND ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/test_positioner
DEPENDS test_positioner)