monero/CMakeLists.txt
Riccardo Spagni 53a0997a26
Merge pull request #997
1c7d3b0 cmake: define ARM var for all ARM arch variants (redfish)
6fe543d cmake: ARM: exclude libunwind in static build (redfish)
397b720 make: remove NO_AES from arm targets (redfish)
57ca3f3 make: make the ARM release targets statically linked (redfish)
43c07a1 readme: editted install/build instructions for clarity (redfish)
a0d4058 Revert "makefile: remove unnecessary ARM-specific targets" (redfish)
c2bc34b Revert "Interpret x86_64 as x86-64 for architecture" (redfish)
c54b9a1 cmake: don't set ARCH from CMAKE_SYSTEM_PROCESSOR (redfish)
2016-08-28 22:49:09 +02:00

521 lines
19 KiB
CMake

# Copyright (c) 2014-2016, The Monero Project
#
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification, are
# permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of
# conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list
# of conditions and the following disclaimer in the documentation and/or other
# materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be
# used to endorse or promote products derived from this software without specific
# prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
# THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
# THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
cmake_minimum_required(VERSION 2.8.7)
project(bitmonero)
function (die msg)
if (NOT WIN32)
string(ASCII 27 Esc)
set(ColourReset "${Esc}[m")
set(BoldRed "${Esc}[1;31m")
else ()
set(ColourReset "")
set(BoldRed "")
endif ()
message(FATAL_ERROR "${BoldRed}${msg}${ColourReset}")
endfunction ()
# ARCH defines the target architecture, either by an explicit identifier or
# one of the following two keywords. By default, ARCH a value of 'native':
# target arch = host arch, binary is not portable. When ARCH is set to the
# string 'default', no -march arg is passed, which creates a binary that is
# portable across processors in the same family as host processor. In cases
# when ARCH is not set to an explicit identifier, cmake's builtin is used
# to identify the target architecture, to direct logic in this cmake script.
# Since ARCH is a cached variable, it will not be set on first cmake invocation.
if (NOT ARCH OR ARCH STREQUAL "" OR ARCH STREQUAL "native" OR ARCH STREQUAL "default")
set(ARCH_ID "${CMAKE_SYSTEM_PROCESSOR}")
else()
set(ARCH_ID "${ARCH}")
endif()
string(TOLOWER ${ARCH_ID} ARM_ID)
string(SUBSTRING ${ARCH_ID} 0 3 ARM_TEST)
if (ARM_TEST STREQUAL "arm")
set(ARM 1)
string(SUBSTRING ${ARCH_ID} 0 5 ARM_TEST)
if (ARM_TEST STREQUAL "armv6")
set(ARM6 1)
endif()
if (ARM_TEST STREQUAL "armv7")
set(ARM7 1)
endif()
endif()
if(WIN32 OR ARM)
set(OPT_FLAGS_RELEASE "-O2")
else()
set(OPT_FLAGS_RELEASE "-Ofast")
endif()
set(CMAKE_C_FLAGS_RELEASE "-DNDEBUG ${OPT_FLAGS_RELEASE}")
set(CMAKE_CXX_FLAGS_RELEASE "-DNDEBUG ${OPT_FLAGS_RELEASE}")
# set this to 0 if per-block checkpoint needs to be disabled
set(PER_BLOCK_CHECKPOINT 1)
if(PER_BLOCK_CHECKPOINT)
add_definitions("-DPER_BLOCK_CHECKPOINT")
endif()
list(INSERT CMAKE_MODULE_PATH 0
"${CMAKE_SOURCE_DIR}/cmake")
if (NOT DEFINED ENV{DEVELOPER_LOCAL_TOOLS})
message(STATUS "Could not find DEVELOPER_LOCAL_TOOLS in env (not required)")
set(BOOST_IGNORE_SYSTEM_PATHS_DEFAULT OFF)
elseif ("$ENV{DEVELOPER_LOCAL_TOOLS}" EQUAL 1)
message(STATUS "Found: env DEVELOPER_LOCAL_TOOLS = 1")
set(BOOST_IGNORE_SYSTEM_PATHS_DEFAULT ON)
else()
message(STATUS "Found: env DEVELOPER_LOCAL_TOOLS = 0")
set(BOOST_IGNORE_SYSTEM_PATHS_DEFAULT OFF)
endif()
message(STATUS "BOOST_IGNORE_SYSTEM_PATHS defaults to ${BOOST_IGNORE_SYSTEM_PATHS_DEFAULT}")
option(BOOST_IGNORE_SYSTEM_PATHS "Ignore boost system paths for local boost installation" ${BOOST_IGNORE_SYSTEM_PATHS_DEFAULT})
if (NOT DEFINED ENV{DEVELOPER_LIBUNBOUND_OLD})
message(STATUS "Could not find DEVELOPER_LIBUNBOUND_OLD in env (not required)")
elseif ("$ENV{DEVELOPER_LIBUNBOUND_OLD}" EQUAL 1)
message(STATUS "Found: env DEVELOPER_LIBUNBOUND_OLD = 1, will use the work around")
add_definitions(-DDEVELOPER_LIBUNBOUND_OLD)
elseif ("$ENV{DEVELOPER_LIBUNBOUND_OLD}" EQUAL 0)
message(STATUS "Found: env DEVELOPER_LIBUNBOUND_OLD = 0")
else()
message(STATUS "Found: env DEVELOPER_LIBUNBOUND_OLD with bad value. Will NOT use the work around")
endif()
set_property(GLOBAL PROPERTY USE_FOLDERS ON)
enable_testing()
option(BUILD_DOCUMENTATION "Build the Doxygen documentation." ON)
# Check whether we're on a 32-bit or 64-bit system
if(CMAKE_SIZEOF_VOID_P EQUAL "8")
set(DEFAULT_BUILD_64 ON)
else()
set(DEFAULT_BUILD_64 OFF)
endif()
option(BUILD_64 "Build for 64-bit? 'OFF' builds for 32-bit." ${DEFAULT_BUILD_64})
if(BUILD_64)
set(ARCH_WIDTH "64")
else()
set(ARCH_WIDTH "32")
endif()
message(STATUS "Building for a ${ARCH_WIDTH}-bit system")
# Check if we're on FreeBSD so we can exclude the local miniupnpc (it should be installed from ports instead)
# CMAKE_SYSTEM_NAME checks are commonly known, but specifically taken from libsdl's CMakeLists
if(CMAKE_SYSTEM_NAME MATCHES "kFreeBSD.*")
set(FREEBSD TRUE)
elseif(CMAKE_SYSTEM_NAME MATCHES "DragonFly.*|FreeBSD")
set(FREEBSD TRUE)
endif()
# Check if we're on OpenBSD. See the README.md for build instructions.
if(CMAKE_SYSTEM_NAME MATCHES "kOpenBSD.*|OpenBSD.*")
set(OPENBSD TRUE)
endif()
# TODO: check bsdi, NetBSD, to see if they need the same FreeBSD changes
#
# elseif(CMAKE_SYSTEM_NAME MATCHES "kNetBSD.*|NetBSD.*")
# set(NETBSD TRUE)
# elseif(CMAKE_SYSTEM_NAME MATCHES ".*BSDI.*")
# set(BSDI TRUE)
include_directories(src contrib/epee/include external "${CMAKE_BINARY_DIR}/version")
if(APPLE)
include_directories(SYSTEM /usr/include/malloc)
endif()
if(MSVC OR MINGW)
set(DEFAULT_STATIC true)
else()
set(DEFAULT_STATIC false)
endif()
option(STATIC "Link libraries statically" ${DEFAULT_STATIC})
if(MINGW)
string(REGEX MATCH "^[^/]:/[^/]*" msys2_install_path "${CMAKE_C_COMPILER}")
message(STATUS "MSYS location: ${msys2_install_path}")
set(CMAKE_INCLUDE_PATH "${msys2_install_path}/mingw${ARCH_WIDTH}/include")
# This is necessary because otherwise CMake will make Boost libraries -lfoo
# rather than a full path. Unfortunately, this makes the shared libraries get
# linked due to a bug in CMake which misses putting -static flags around the
# -lfoo arguments.
set(DEFLIB ${msys2_install_path}/mingw${ARCH_WIDTH}/lib)
list(REMOVE_ITEM CMAKE_C_IMPLICIT_LINK_DIRECTORIES ${DEFLIB})
list(REMOVE_ITEM CMAKE_CXX_IMPLICIT_LINK_DIRECTORIES ${DEFLIB})
endif()
if(STATIC)
if(MSVC)
set(CMAKE_FIND_LIBRARY_SUFFIXES .lib .dll.a .a ${CMAKE_FIND_LIBRARY_SUFFIXES})
else()
set(CMAKE_FIND_LIBRARY_SUFFIXES .a ${CMAKE_FIND_LIBRARY_SUFFIXES})
endif()
endif()
# default database:
# should be lmdb for testing, memory for production still
# set(DATABASE memory)
set(DATABASE lmdb)
if (DEFINED ENV{DATABASE})
set(DATABASE $ENV{DATABASE})
message(STATUS "DATABASE set: ${DATABASE}")
else()
message(STATUS "Could not find DATABASE in env (not required unless you want to change database type from default: ${DATABASE})")
endif()
set(BERKELEY_DB_OVERRIDE 0)
if (DEFINED ENV{BERKELEY_DB})
set(BERKELEY_DB_OVERRIDE 1)
set(BERKELEY_DB $ENV{BERKELEY_DB})
elseif()
set(BERKELEY_DB 0)
endif()
if (DATABASE STREQUAL "lmdb")
message(STATUS "Using LMDB as default DB type")
set(BLOCKCHAIN_DB DB_LMDB)
add_definitions("-DDEFAULT_DB_TYPE=\"lmdb\"")
elseif (DATABASE STREQUAL "berkeleydb")
find_package(BerkeleyDB)
if(NOT BERKELEY_DB)
die("Found BerkeleyDB includes, but could not find BerkeleyDB library. Please make sure you have installed libdb and libdb-dev / libdb++-dev or the equivalent.")
else()
message(STATUS "Found BerkeleyDB include (db.h) in ${BERKELEY_DB_INCLUDE_DIR}")
if(BERKELEY_DB_LIBRARIES)
message(STATUS "Found BerkeleyDB shared library")
set(BDB_STATIC false CACHE BOOL "BDB Static flag")
set(BDB_INCLUDE ${BERKELEY_DB_INCLUDE_DIR} CACHE STRING "BDB include path")
set(BDB_LIBRARY ${BERKELEY_DB_LIBRARIES} CACHE STRING "BDB library name")
set(BDB_LIBRARY_DIRS "" CACHE STRING "BDB Library dirs")
set(BERKELEY_DB 1)
else()
die("Found BerkeleyDB includes, but could not find BerkeleyDB library. Please make sure you have installed libdb and libdb-dev / libdb++-dev or the equivalent.")
endif()
endif()
message(STATUS "Using Berkeley DB as default DB type")
add_definitions("-DDEFAULT_DB_TYPE=\"berkeley\"")
else()
die("Invalid database type: ${DATABASE}")
endif()
if(BERKELEY_DB)
add_definitions("-DBERKELEY_DB")
endif()
add_definitions("-DBLOCKCHAIN_DB=${BLOCKCHAIN_DB}")
find_package(Libunwind)
# Can't install hook in static build on OSX, because OSX linker does not support --wrap
# On ARM, having libunwind package (with .so's only) installed breaks static link.
if(LIBUNWIND_FOUND AND NOT (STATIC AND (APPLE OR ARM)))
set(DEFAULT_STACK_TRACE ON)
else()
set(DEFAULT_STACK_TRACE OFF)
set(LIBUNWIND_LIBRARIES "")
endif()
option(STACK_TRACE "Install a hook that dumps stack on exception" ${DEFAULT_STACK_TRACE})
if(STACK_TRACE)
message(STATUS "Stack trace on exception enabled")
else()
message(STATUS "Stack trace on exception disabled")
endif()
if (UNIX AND NOT APPLE)
# Note that at the time of this writing the -Wstrict-prototypes flag added below will make this fail
set(THREADS_PREFER_PTHREAD_FLAG ON)
find_package(Threads)
endif()
add_subdirectory(external)
# Final setup for miniupnpc
if(UPNP_STATIC)
add_definitions("-DUPNP_STATIC")
else()
add_definitions("-DUPNP_DYNAMIC")
include_directories(${UPNP_INCLUDE})
endif()
# Final setup for libunbound
include_directories(${UNBOUND_INCLUDE})
link_directories(${UNBOUND_LIBRARY_DIRS})
# Final setup for rapidjson
include_directories(external/rapidjson)
# Final setup for liblmdb
include_directories(${LMDB_INCLUDE})
# Final setup for Berkeley DB
if (BERKELEY_DB)
include_directories(${BDB_INCLUDE})
endif()
# Final setup for libunwind
include_directories(${LIBUNWIND_INCLUDE})
link_directories(${LIBUNWIND_LIBRARY_DIRS})
if(MSVC)
add_definitions("/bigobj /MP /W3 /GS- /D_CRT_SECURE_NO_WARNINGS /wd4996 /wd4345 /D_WIN32_WINNT=0x0600 /DWIN32_LEAN_AND_MEAN /DGTEST_HAS_TR1_TUPLE=0 /FIinline_c.h /D__SSE4_1__")
# set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /Dinline=__inline")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /STACK:10485760")
if(STATIC)
foreach(VAR CMAKE_C_FLAGS_DEBUG CMAKE_CXX_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE CMAKE_CXX_FLAGS_RELEASE)
string(REPLACE "/MD" "/MT" ${VAR} "${${VAR}}")
endforeach()
endif()
include_directories(SYSTEM src/platform/msc)
else()
set(ARCH native CACHE STRING "CPU to build for: -march value or 'default' to not pass -march at all")
message(STATUS "Building on ${CMAKE_SYSTEM_PROCESSOR} for ${ARCH}")
if(ARCH STREQUAL "default")
set(ARCH_FLAG "")
else()
set(ARCH_FLAG "-march=${ARCH}")
endif()
set(WARNINGS "-Wall -Wextra -Wpointer-arith -Wundef -Wvla -Wwrite-strings -Wno-error=extra -Wno-error=deprecated-declarations -Wno-unused-parameter -Wno-unused-variable -Wno-error=unused-variable -Wno-error=undef -Wno-error=uninitialized")
if(NOT MINGW)
set(WARNINGS_AS_ERRORS_FLAG "-Werror")
endif()
if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
set(WARNINGS "${WARNINGS} -Wno-deprecated-register -Wno-error=mismatched-tags -Wno-error=null-conversion -Wno-overloaded-shift-op-parentheses -Wno-error=shift-count-overflow -Wno-error=tautological-constant-out-of-range-compare -Wno-error=unused-private-field -Wno-error=unneeded-internal-declaration")
if(ARM)
set(WARNINGS "${WARNINGS} -Wno-error=inline-asm")
endif()
else()
set(WARNINGS "${WARNINGS} -Wlogical-op -Wno-error=maybe-uninitialized")
endif()
if(MINGW)
set(WARNINGS "${WARNINGS} -Wno-error=unused-value -Wno-error=unused-but-set-variable")
set(MINGW_FLAG "${MINGW_FLAG} -DWIN32_LEAN_AND_MEAN")
set(Boost_THREADAPI win32)
include_directories(SYSTEM src/platform/mingw)
# mingw doesn't support LTO (multiple definition errors at link time)
set(USE_LTO_DEFAULT false)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--stack,10485760")
if(NOT BUILD_64)
add_definitions(-DWINVER=0x0501 -D_WIN32_WINNT=0x0501)
endif()
endif()
set(C_WARNINGS "-Waggregate-return -Wnested-externs -Wold-style-definition -Wstrict-prototypes")
set(CXX_WARNINGS "-Wno-reorder -Wno-missing-field-initializers")
try_compile(STATIC_ASSERT_RES "${CMAKE_CURRENT_BINARY_DIR}/static-assert" "${CMAKE_CURRENT_SOURCE_DIR}/cmake/test-static-assert.c" COMPILE_DEFINITIONS "-std=c11")
if(STATIC_ASSERT_RES)
set(STATIC_ASSERT_FLAG "")
else()
set(STATIC_ASSERT_FLAG "-Dstatic_assert=_Static_assert")
endif()
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c11 -D_GNU_SOURCE ${MINGW_FLAG} ${STATIC_ASSERT_FLAG} ${WARNINGS} ${C_WARNINGS} ${ARCH_FLAG}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -D_GNU_SOURCE ${MINGW_FLAG} ${WARNINGS} ${CXX_WARNINGS} ${ARCH_FLAG}")
# With GCC 6.1.1 the compiled binary malfunctions due to aliasing. Until that
# is fixed in the code (Issue #847), force compiler to be conservative.
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fno-strict-aliasing")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-strict-aliasing")
option(NO_AES "Explicitly disable AES support" ${NO_AES})
if(NOT NO_AES AND NOT ARM)
message(STATUS "AES support enabled")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -maes")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -maes")
elseif(ARM)
message(STATUS "AES support disabled (not available on ARM)")
else()
message(STATUS "AES support disabled")
endif()
if(ARM6)
message(STATUS "Setting ARM6 C and C++ flags")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfpu=vfp -mfloat-abi=hard")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfpu=vfp -mfloat-abi=hard")
endif()
if(ARM7)
message(STATUS "Setting ARM7 C and C++ flags")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mfloat-abi=hard")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mfloat-abi=hard")
endif()
if(APPLE)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DGTEST_HAS_TR1_TUPLE=0")
endif()
if(CMAKE_C_COMPILER_ID STREQUAL "GNU" AND NOT (CMAKE_C_COMPILER_VERSION VERSION_LESS 4.8))
set(DEBUG_FLAGS "-g3 -Og -fprofile-arcs -ftest-coverage --coverage")
else()
set(DEBUG_FLAGS "-g3 -O0 -fprofile-arcs -ftest-coverage --coverage")
endif()
if(NOT DEFINED USE_LTO_DEFAULT)
set(USE_LTO_DEFAULT true)
endif()
set(USE_LTO ${USE_LTO_DEFAULT} CACHE BOOL "Use Link-Time Optimization (Release mode only)")
if(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
# There is a clang bug that does not allow to compile code that uses AES-NI intrinsics if -flto is enabled, so explicitly disable
set(USE_LTO false)
# explicitly define stdlib for older versions of clang
if(CMAKE_C_COMPILER_VERSION VERSION_LESS 3.7)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libstdc++")
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -stdlib=libstdc++")
endif()
endif()
if(USE_LTO)
set(RELEASE_FLAGS "${RELEASE_FLAGS} -flto")
if(STATIC)
set(RELEASE_FLAGS "${RELEASE_FLAGS} -ffat-lto-objects")
endif()
# Since gcc 4.9 the LTO format is non-standard (slim), so we need the gcc-specific ar and ranlib binaries
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" AND NOT (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9.0) AND NOT OPENBSD)
set(CMAKE_AR "gcc-ar")
set(CMAKE_RANLIB "gcc-ranlib")
endif()
endif()
set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} ${DEBUG_FLAGS}")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} ${DEBUG_FLAGS}")
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} ${RELEASE_FLAGS}")
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${RELEASE_FLAGS}")
if(STATIC)
# STATIC already configures most deps to be linked in statically,
# here we make more deps static if the platform permits it
if (MINGW)
# On Windows, this is as close to fully-static as we get:
# this leaves only deps on /c/Windows/system32/*.dll
set(STATIC_FLAGS "-static")
elseif (NOT (APPLE OR FREEBSD OR OPENBSD))
# On Linux, we don't support fully static build, but these can be static
set(STATIC_FLAGS "-static-libgcc -static-libstdc++")
endif()
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${STATIC_FLAGS} ")
endif()
endif()
if (${BOOST_IGNORE_SYSTEM_PATHS} STREQUAL "ON")
set(Boost_NO_SYSTEM_PATHS TRUE)
endif()
set(OLD_LIB_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
if(STATIC)
if(MINGW)
set(CMAKE_FIND_LIBRARY_SUFFIXES .a)
endif()
set(Boost_USE_STATIC_LIBS ON)
set(Boost_USE_STATIC_RUNTIME ON)
endif()
find_package(Boost 1.58 QUIET REQUIRED COMPONENTS system filesystem thread date_time chrono regex serialization program_options)
set(CMAKE_FIND_LIBRARY_SUFFIXES ${OLD_LIB_SUFFIXES})
if(NOT Boost_FOUND)
die("Could not find Boost libraries, please make sure you have installed Boost or libboost-all-dev (1.58) or the equivalent")
endif()
include_directories(SYSTEM ${Boost_INCLUDE_DIRS})
if(MINGW)
set(EXTRA_LIBRARIES mswsock;ws2_32;iphlpapi)
elseif(APPLE OR FREEBSD OR OPENBSD)
set(EXTRA_LIBRARIES "")
elseif(NOT MSVC)
find_library(RT rt)
set(EXTRA_LIBRARIES ${RT})
endif()
list(APPEND EXTRA_LIBRARIES ${CMAKE_DL_LIBS})
if(CMAKE_C_COMPILER_ID STREQUAL "Clang" AND ARCH_WIDTH EQUAL "32")
find_library(ATOMIC atomic)
list(APPEND EXTRA_LIBRARIES ${ATOMIC})
endif()
include(version.cmake)
function (treat_warnings_as_errors dirs)
foreach(dir ${ARGV})
set_property(DIRECTORY ${dir}
APPEND PROPERTY COMPILE_FLAGS "-Werror")
endforeach()
endfunction()
add_subdirectory(contrib)
add_subdirectory(src)
treat_warnings_as_errors(contrib src)
option(BUILD_TESTS "Build tests." OFF)
if(BUILD_TESTS)
add_subdirectory(tests)
endif()
if(BUILD_DOCUMENTATION)
set(DOC_GRAPHS "YES" CACHE STRING "Create dependency graphs (needs graphviz)")
set(DOC_FULLGRAPHS "NO" CACHE STRING "Create call/callee graphs (large)")
find_program(DOT_PATH dot)
if (DOT_PATH STREQUAL "DOT_PATH-NOTFOUND")
message("Doxygen: graphviz not found - graphs disabled")
set(DOC_GRAPHS "NO")
endif()
find_package(Doxygen)
if(DOXYGEN_FOUND)
configure_file("cmake/Doxyfile.in" "Doxyfile" @ONLY)
configure_file("cmake/Doxygen.extra.css.in" "Doxygen.extra.css" @ONLY)
add_custom_target(doc
${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/Doxyfile
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
COMMENT "Generating API documentation with Doxygen.." VERBATIM)
endif()
endif()