mirror of
https://github.com/oxen-io/lokinet.git
synced 2024-11-17 15:25:35 +00:00
c5faa86926
Refactors many things in cmake to improve and simplify:
- don't use variable indirection for target names; target names are
*already* a variable of sorts. (e.g. ${UTIL_LIB} is now just
lokinet-util). cmake/basic_definitions.cmake is now gone.
- fix LTO enabling to use the standard cmake (3.9+) LTO mechanism rather
than shoving a bunch of flag hacks through link_libraries and
add_compile_options. This also now enables LTO when building a shared
library (because previously the -flto hacks were only turned on in the
static code for some reason).
- build liblokinet as *either* shared library or static library, but not
both. Building both makes things more complicated because they had
different names (lokinet-shared or lokinet-static) and seems pointless:
you generally want one or the other. Now there is just the liblokinet
target, which will be shared or static depending on the value of
BUILD_SHARED_LIBS.
- Simplify lokinet-cryptography AVX2 code: just build *one* library, and
add in the additional AVX2 files when possible, rather than building two
and needing to merge them.
- Compress STATIC_LINK and STATIC_LINK_RUNTIME into just STATIC_LINK.
It makes no sense to use one of these (_RUNTIME) on Windows and the
other on non-Windows when they appear to try to do the same thing.
- remove a bunch of annotations from `endif(FOO)` -> `endif()`.
- move all the tuntap compilation code (including OS-specific source
file selection) into vendor/CMakeLists.txt and build tuntap as an
intermediate OBJECT library rather than keeping a global variable in 5
different files.
- move release motto define to root cmake; it made no sense being
duplicated in both unix.cmake and win32.cmake
- fix add_log_tag to not stomp on any existing source compile flags with
its definition. Also use proper compile definition property instead of
cramming it into compile flags.
- make optimization/linker flags less hacky. There's no reason for us
to force particular optimization flags because the cmake build type
already does that (e.g. -DCMAKE_BUILD_TYPE=Release does -O3). Not doing
that also silences a bunch of cmake warnings because it thinks "-O0 -g3"
etc. are link libraries (which is reasonable: that's what the code was
telling cmake they are).
- sets the default build type to RelWithDebInfo which gives us `-O2 -g`
if you don't specify a build type.
- Move PIC up (so that the things loaded in unix.cmake, notably libuv,
have it set).
- Add a custom `curl` interface library that carries the correct link
target and include paths for curl (system or bundled).
331 lines
9.9 KiB
CMake
331 lines
9.9 KiB
CMake
cmake_minimum_required(VERSION 3.10) # bionic's cmake version
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set(CMAKE_OSX_DEPLOYMENT_TARGET 10.13) # Has to be set before `project()`, and ignored on non-macos
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find_program(CCACHE_PROGRAM ccache)
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if(CCACHE_PROGRAM)
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set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${CCACHE_PROGRAM}")
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endif()
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set(PROJECT_NAME lokinet)
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project(${PROJECT_NAME}
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VERSION 0.7.0
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DESCRIPTION "lokinet - IP packet onion router"
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LANGUAGES C CXX)
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set(RELEASE_MOTTO "I'll remember that..." CACHE STRING "Release motto")
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add_definitions(-DLLARP_VERSION_MAJOR=${lokinet_VERSION_MAJOR})
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add_definitions(-DLLARP_VERSION_MINOR=${lokinet_VERSION_MINOR})
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add_definitions(-DLLARP_VERSION_PATCH=${lokinet_VERSION_PATCH})
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if(RELEASE_MOTTO)
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add_definitions(-DLLARP_RELEASE_MOTTO="${RELEASE_MOTTO}")
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endif()
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# Core options
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option(USE_AVX2 "enable avx2 code" OFF)
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option(USE_NETNS "enable networking namespace support. Linux only" OFF)
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option(NATIVE_BUILD "optimise for host system and FPU" ON)
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option(EMBEDDED_CFG "optimise for older hardware or embedded systems" OFF)
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option(STATIC_LINK "link statically against dependencies" OFF)
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option(BUILD_SHARED_LIBS "build lokinet libraries as shared libraries instead of static" ON)
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option(SHADOW "use shadow testing framework. linux only" OFF)
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option(XSAN "use sanitiser, if your system has it (requires -DCMAKE_BUILD_TYPE=Debug)" OFF)
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option(JEMALLOC "use jemalloc. Not required on BSD" OFF)
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option(TESTNET "testnet build" OFF)
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option(WITH_COVERAGE "generate coverage data" OFF)
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option(USE_SHELLHOOKS "enable shell hooks on compile time (dangerous)" OFF)
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option(WARNINGS_AS_ERRORS "treat all warnings as errors. turn off for development, on for release" OFF)
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option(TRACY_ROOT "include tracy profiler source" OFF)
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option(WITH_TESTS "build unit tests" ON)
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option(WITH_HIVE "build simulation stubs" OFF)
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option(BUILD_PACKAGE "builds extra components for making an installer (with 'make package')" OFF)
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if($ENV{TRAVIS})
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set(TRAVIS_CI_SUCKS ON)
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endif()
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if(NOT CMAKE_BUILD_TYPE)
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set(CMAKE_BUILD_TYPE RelWithDebInfo)
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endif()
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include(CheckCXXSourceCompiles)
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include(CheckLibraryExists)
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include(cmake/enable_lto.cmake)
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include(cmake/target_link_libraries_system.cmake)
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include(cmake/add_import_library.cmake)
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include(cmake/add_log_tag.cmake)
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include(cmake/libatomic.cmake)
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if (STATIC_LINK)
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set(CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_STATIC_LIBRARY_SUFFIX})
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message(STATUS "setting static library suffix search")
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endif()
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add_definitions(-D${CMAKE_SYSTEM_NAME})
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if(MSVC_VERSION)
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enable_language(ASM_MASM)
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list(APPEND CMAKE_ASM_MASM_SOURCE_FILE_EXTENSIONS s)
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add_definitions(-D_WIN32_WINNT=0x0600 -DNOMINMAX -DSODIUM_STATIC)
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else()
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enable_language(ASM)
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endif()
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include(cmake/solaris.cmake)
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include(cmake/win32.cmake)
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list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake")
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# No in-source building
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include(MacroEnsureOutOfSourceBuild)
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macro_ensure_out_of_source_build("${PROJECT_NAME} requires an out-of-source build. Create a build directory and run 'cmake ${CMAKE_SOURCE_DIR} [options]'.")
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set(CMAKE_CXX_STANDARD 17)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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set(CMAKE_CXX_EXTENSIONS OFF)
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set(CMAKE_C_STANDARD 99)
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set(CMAKE_C_STANDARD_REQUIRED ON)
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set(CMAKE_C_EXTENSIONS OFF)
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# Always build PIC
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set(CMAKE_POSITION_INDEPENDENT_CODE ON)
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include(cmake/unix.cmake)
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include(cmake/check_for_std_optional.cmake)
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include(cmake/check_for_std_filesystem.cmake)
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if(NOT WIN32)
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if(IOS OR ANDROID)
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set(NON_PC_TARGET ON)
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else()
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include(TargetArch)
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target_architecture(COMPILE_ARCH)
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if(COMPILE_ARCH MATCHES i386 OR COMPILE_ARCH MATCHES x86_64)
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set(NON_PC_TARGET OFF)
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else()
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set(NON_PC_TARGET ON)
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endif()
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endif()
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endif()
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# this is messing with release builds
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add_compile_options(-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0)
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if (NOT CMAKE_SYSTEM_NAME MATCHES "Linux" AND SHADOW)
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message( FATAL_ERROR "shadow-framework is Linux only" )
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endif()
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if(XSAN)
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string(APPEND CMAKE_CXX_FLAGS_DEBUG " -fsanitize=${XSAN} -fno-omit-frame-pointer")
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foreach(type EXE MODULE SHARED STATIC)
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string(APPEND CMAKE_${type}_LINKER_FLAGS_DEBUG " -fsanitize=${XSAN} -fno-omit-frame-pointer")
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endforeach()
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message(STATUS "Doing a ${XSAN} sanitizer build")
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endif()
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if(CMAKE_BUILD_TYPE MATCHES "[Dd][Ee][Bb][Uu][Gg]")
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add_definitions(-DLOKINET_DEBUG=1)
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endif()
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if(WITH_SHELLHOOKS)
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add_definitions(-DENABLE_SHELLHOOKS)
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endif()
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if(TRACY_ROOT)
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include_directories(${TRACY_ROOT})
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add_definitions(-DTRACY_ENABLE)
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endif()
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if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
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add_compile_options(-Wno-unknown-warning-option)
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endif()
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if (NOT MSVC_VERSION)
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add_compile_options(-Wall -Wextra -Wno-unknown-pragmas)
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# vla are evil
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add_compile_options(-Wvla)
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add_compile_options($<$<COMPILE_LANGUAGE:CXX>:-fpermissive>)
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add_compile_options(-Wno-unused-function -Wno-deprecated-declarations -Wno-unknown-pragmas)
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endif()
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if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
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# STREQUAL because AppleClang's libc++ doesn't yet support thread safety annotations
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add_compile_options(-Wthread-safety)
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endif()
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include(cmake/coverage.cmake)
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# these vars are set by the cmake toolchain spec
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if (WOW64_CROSS_COMPILE OR WIN64_CROSS_COMPILE)
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include(cmake/cross_compile.cmake)
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endif()
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if(NATIVE_BUILD)
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if(CMAKE_SYSTEM_PROCESSOR STREQUAL ppc64le)
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add_compile_options(-mcpu=native -mtune=native)
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else()
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add_compile_options(-march=native -mtune=native)
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endif()
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elseif(NOT NON_PC_TARGET)
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if (USE_AVX2)
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add_compile_options(-march=haswell -mtune=haswell -mfpmath=sse)
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else()
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# Public binary releases
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add_compile_options(-march=nocona -mtune=haswell -mfpmath=sse)
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endif()
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endif()
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if(EMBEDDED_CFG)
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message(WARNING "This configuration is optimised for older hardware and/or constrained node operation, may result in poor performance on desktop systems")
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message(WARNING "For deployment on such systems, all external code (currently, libuv) must also be compiled for the target!")
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add_compile_options(-march=i486 -mtune=i486)
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endif()
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set(CMAKE_THREAD_PREFER_PTHREAD TRUE)
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set(THREADS_PREFER_PTHREAD_FLAG TRUE)
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find_package(Threads REQUIRED)
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if(USE_NETNS)
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add_definitions(-DNETNS=1)
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else()
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add_definitions(-DNETNS=0)
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endif()
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if(TESTNET)
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add_definitions(-DTESTNET=1)
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# 5 times slower than realtime
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add_definitions(-DTESTNET_SPEED=5)
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endif()
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if(SHADOW)
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include(cmake/shadow.cmake)
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endif()
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unset(GIT_VERSION)
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unset(GIT_VERSION_REAL)
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if(NOT GIT_VERSION)
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exec_program("git" ${CMAKE_CURRENT_SOURCE_DIR} ARGS "rev-parse --short HEAD" OUTPUT_VARIABLE GIT_VERSION_UNSTRIP)
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string(STRIP "${GIT_VERSION_UNSTRIP}" GIT_VERSION)
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endif()
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string(REGEX REPLACE "^fatal.*$" nogit GIT_VERSION_REAL "${GIT_VERSION}")
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# HeapAlloc(2) on Windows was significantly revamped in 2009
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# but the old algorithm isn't too bad either
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# this is _the_ system allocator on BSD UNIX
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# openbsd replaced it with a secure/randomised malloc not too
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# long ago
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if(JEMALLOC)
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set(MALLOC_LIB jemalloc)
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endif()
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find_package(PkgConfig QUIET)
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if(PKG_CONFIG_FOUND)
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pkg_check_modules(SD libsystemd)
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# Default WITH_SYSTEMD to true if we found it
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option(WITH_SYSTEMD "enable systemd integration for sd_notify" ${SD_FOUND})
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if(WITH_SYSTEMD)
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if(NOT SD_FOUND)
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message(FATAL_ERROR "libsystemd not found")
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endif()
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add_definitions(-DWITH_SYSTEMD)
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include_directories(${SD_INCLUDE_DIRS})
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set(SD_LIBS ${SD_LDFLAGS})
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endif()
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endif()
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option(SUBMODULE_CHECK "Enables checking that vendored library submodules are up to date" ON)
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if(SUBMODULE_CHECK)
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find_package(Git)
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if(GIT_FOUND)
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function(check_submodule relative_path)
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execute_process(COMMAND git rev-parse "HEAD" WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/${relative_path} OUTPUT_VARIABLE localHead)
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execute_process(COMMAND git rev-parse "HEAD:${relative_path}" WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} OUTPUT_VARIABLE checkedHead)
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string(COMPARE EQUAL "${localHead}" "${checkedHead}" upToDate)
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if (upToDate)
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message(STATUS "Submodule '${relative_path}' is up-to-date")
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else()
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message(FATAL_ERROR "Submodule '${relative_path}' is not up-to-date. Please update with\ngit submodule update --init --recursive\nor run cmake with -DSUBMODULE_CHECK=OFF")
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endif()
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endfunction ()
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message(STATUS "Checking submodules")
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check_submodule(external/nlohmann)
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check_submodule(external/googletest)
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check_submodule(external/cxxopts)
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check_submodule(external/date)
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check_submodule(external/pybind11)
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check_submodule(external/libuv)
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endif()
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endif()
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# We only actually need pybind11 with WITH_HIVE, but if we don't load it here then something further
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# down loads a broken PythonInterp that loads Python2, but Python2 headers are not C++17 compatible.
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# So load this here universally so that pybind's more intelligent python finder finds python3.x
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# (which the crappier loader invoked below then respects).
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# however! travis is FUBAR right now so disable it in travis builds
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if(TRAVIS_CI_SUCKS)
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message(WARNING "travis-ci python is broken garbage we have disabled pybind11, THANKS!")
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else()
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add_subdirectory(external/pybind11 EXCLUDE_FROM_ALL)
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endif()
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if(WITH_TESTS)
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add_subdirectory(external/googletest EXCLUDE_FROM_ALL)
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endif()
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set(JSON_BuildTests OFF CACHE INTERNAL "")
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add_subdirectory(external/nlohmann EXCLUDE_FROM_ALL)
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add_subdirectory(external/cxxopts EXCLUDE_FROM_ALL)
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add_subdirectory(external/date EXCLUDE_FROM_ALL)
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add_subdirectory(vendor)
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if(ANDROID)
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list(APPEND LIBS log)
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add_definitions(-DANDROID)
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set(ANDROID_PLATFORM_SRC android/ifaddrs.c)
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endif()
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set(LIBS ${MALLOC_LIB} ${LIBUV_LIBRARY} ${SD_LIBS})
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if(TRACY_ROOT)
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list(APPEND LIBS -ldl)
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endif()
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if(WITH_HIVE)
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add_definitions(-DLOKINET_HIVE=1)
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endif()
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add_subdirectory(crypto)
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add_subdirectory(llarp)
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add_subdirectory(libabyss)
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add_subdirectory(daemon)
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if(WITH_HIVE)
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add_subdirectory(pybind)
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endif()
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if (NOT SHADOW)
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if(WITH_TESTS OR WITH_HIVE)
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add_subdirectory(test)
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endif()
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if(ANDROID)
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add_subdirectory(jni)
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endif()
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endif()
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add_subdirectory(docs)
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if(BUILD_PACKAGE)
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include(cmake/installer.cmake)
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endif()
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