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cmake_minimum_required ( VERSION 3.10 ) # bionic's cmake version
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# Has to be set before `project()`, and ignored on non-macos:
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set ( CMAKE_OSX_DEPLOYMENT_TARGET 10.14 CACHE STRING "macOS deployment target (Apple clang only)" )
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find_program ( CCACHE_PROGRAM ccache )
if ( CCACHE_PROGRAM )
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foreach ( lang C CXX )
if ( NOT DEFINED CMAKE_ ${ lang } _COMPILER_LAUNCHER AND NOT CMAKE_ ${ lang } _COMPILER MATCHES ".*/ccache" )
message ( STATUS "Enabling ccache for ${lang}" )
set ( CMAKE_ ${ lang } _COMPILER_LAUNCHER ${ CCACHE_PROGRAM } CACHE STRING "" )
endif ( )
endforeach ( )
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endif ( )
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set ( PROJECT_NAME lokinet )
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project ( ${ PROJECT_NAME }
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V E R S I O N 0 . 7 . 1
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D E S C R I P T I O N " l o k i n e t - I P p a c k e t o n i o n r o u t e r "
L A N G U A G E S C C X X )
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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 } )
add_definitions ( -DLLARP_VERSION_MINOR= ${ lokinet_VERSION_MINOR } )
add_definitions ( -DLLARP_VERSION_PATCH= ${ lokinet_VERSION_PATCH } )
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if ( RELEASE_MOTTO )
add_definitions ( -DLLARP_RELEASE_MOTTO= "${RELEASE_MOTTO}" )
endif ( )
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list ( APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake" )
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# Core options
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option ( USE_AVX2 "enable avx2 code" OFF )
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 ( 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 ( WITH_JEMALLOC "use jemalloc as allocator" OFF )
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option ( TESTNET "testnet build" OFF )
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 )
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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include ( cmake/enable_lto.cmake )
option ( BUILD_STATIC_DEPS "Download, build, and statically link against core dependencies" OFF )
option ( STATIC_LINK "link statically against dependencies" ${ BUILD_STATIC_DEPS } )
if ( BUILD_STATIC_DEPS AND NOT STATIC_LINK )
message ( FATAL_ERROR "Option BUILD_STATIC_DEPS requires STATIC_LINK to be enabled as well" )
endif ( )
if ( BUILD_STATIC_DEPS )
include ( StaticBuild )
endif ( )
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if ( NOT CMAKE_BUILD_TYPE )
set ( CMAKE_BUILD_TYPE RelWithDebInfo )
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endif ( )
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include ( CheckCXXSourceCompiles )
include ( CheckLibraryExists )
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set ( CMAKE_CXX_STANDARD 17 )
set ( CMAKE_CXX_STANDARD_REQUIRED ON )
set ( CMAKE_CXX_EXTENSIONS OFF )
set ( CMAKE_C_STANDARD 99 )
set ( CMAKE_C_STANDARD_REQUIRED ON )
set ( CMAKE_C_EXTENSIONS OFF )
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include ( cmake/target_link_libraries_system.cmake )
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include ( cmake/add_import_library.cmake )
include ( cmake/add_log_tag.cmake )
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include ( cmake/libatomic.cmake )
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if ( STATIC_LINK )
set ( CMAKE_FIND_LIBRARY_SUFFIXES ${ CMAKE_STATIC_LIBRARY_SUFFIX } )
message ( STATUS "setting static library suffix search" )
endif ( )
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add_definitions ( -D ${ CMAKE_SYSTEM_NAME } )
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if ( MSVC_VERSION )
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enable_language ( ASM_MASM )
list ( APPEND CMAKE_ASM_MASM_SOURCE_FILE_EXTENSIONS s )
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add_definitions ( -D_WIN32_WINNT=0x0600 -DNOMINMAX -DSODIUM_STATIC )
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else ( )
enable_language ( ASM )
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endif ( )
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include ( cmake/solaris.cmake )
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include ( cmake/win32.cmake )
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# No in-source building
include ( MacroEnsureOutOfSourceBuild )
macro_ensure_out_of_source_build ( "${PROJECT_NAME} requires an out-of-source build. Create a build directory and run 'cmake ${CMAKE_SOURCE_DIR} [options]'." )
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# Always build PIC
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 )
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 ( )
include ( TargetArch )
target_architecture ( COMPILE_ARCH )
if ( COMPILE_ARCH MATCHES i386 OR COMPILE_ARCH MATCHES x86_64 )
set ( NON_PC_TARGET OFF )
else ( )
set ( NON_PC_TARGET ON )
endif ( )
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endif ( )
endif ( )
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option ( FORCE_LOKIMQ_SUBMODULE "force using lokimq submodule" OFF )
if ( NOT FORCE_LOKIMQ_SUBMODULE )
find_package ( LokiMQ 1.2 )
endif ( )
if ( LokiMQ_FOUND )
message ( STATUS "using system lokimq" )
else ( )
message ( STATUS "using lokimq submodule" )
add_subdirectory ( ${ CMAKE_SOURCE_DIR } /external/loki-mq EXCLUDE_FROM_ALL )
endif ( )
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# this is messing with release builds
add_compile_options ( -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0 )
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if ( NOT CMAKE_SYSTEM_NAME MATCHES "Linux" AND SHADOW )
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message ( FATAL_ERROR "shadow-framework is Linux only" )
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endif ( )
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if ( XSAN )
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string ( APPEND CMAKE_CXX_FLAGS_DEBUG " -fsanitize=${XSAN} -fno-omit-frame-pointer -fno-sanitize-recover" )
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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 -fno-sanitize-recover" )
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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]" )
add_definitions ( -DLOKINET_DEBUG=1 )
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endif ( )
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if ( WITH_SHELLHOOKS )
add_definitions ( -DENABLE_SHELLHOOKS )
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endif ( )
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if ( TRACY_ROOT )
include_directories ( ${ TRACY_ROOT } )
add_definitions ( -DTRACY_ENABLE )
endif ( )
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if ( CMAKE_CXX_COMPILER_ID MATCHES "Clang" )
add_compile_options ( -Wno-unknown-warning-option )
endif ( )
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if ( NOT MSVC_VERSION )
add_compile_options ( -Wall -Wextra -Wno-unknown-pragmas )
# vla are evil
add_compile_options ( -Wvla )
add_compile_options ( $< $<COMPILE_LANGUAGE:CXX > :-fpermissive> )
add_compile_options ( -Wno-unused-function -Wno-deprecated-declarations -Wno-unknown-pragmas )
endif ( )
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if ( CMAKE_CXX_COMPILER_ID STREQUAL "Clang" )
# 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 ( )
# 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 )
message ( WARNING "This configuration is optimised for older hardware and/or constrained node operation, may result in poor performance on desktop systems" )
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 )
set ( THREADS_PREFER_PTHREAD_FLAG TRUE )
find_package ( Threads REQUIRED )
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if ( USE_NETNS )
add_definitions ( -DNETNS=1 )
else ( )
add_definitions ( -DNETNS=0 )
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endif ( )
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if ( TESTNET )
add_definitions ( -DTESTNET=1 )
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# 5 times slower than realtime
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 )
unset ( GIT_VERSION_REAL )
if ( NOT GIT_VERSION )
exec_program ( "git" ${ CMAKE_CURRENT_SOURCE_DIR } ARGS "rev-parse --short HEAD" OUTPUT_VARIABLE GIT_VERSION_UNSTRIP )
string ( STRIP "${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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find_package ( PkgConfig REQUIRED )
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if ( NOT BUILD_STATIC_DEPS )
pkg_check_modules ( UNBOUND libunbound REQUIRED IMPORTED_TARGET )
add_library ( libunbound INTERFACE )
target_link_libraries ( libunbound INTERFACE PkgConfig::UNBOUND )
endif ( )
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pkg_check_modules ( SD libsystemd )
# Default WITH_SYSTEMD to true if we found it
option ( WITH_SYSTEMD "enable systemd integration for sd_notify" ${ SD_FOUND } )
if ( WITH_SYSTEMD )
if ( NOT SD_FOUND )
message ( FATAL_ERROR "libsystemd not found" )
endif ( )
add_definitions ( -DWITH_SYSTEMD )
include_directories ( ${ SD_INCLUDE_DIRS } )
set ( SD_LIBS ${ SD_LDFLAGS } )
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endif ( )
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option ( SUBMODULE_CHECK "Enables checking that vendored library submodules are up to date" ON )
if ( SUBMODULE_CHECK )
find_package ( Git )
if ( GIT_FOUND )
function ( check_submodule relative_path )
execute_process ( COMMAND git rev-parse "HEAD" WORKING_DIRECTORY ${ CMAKE_CURRENT_SOURCE_DIR } / ${ relative_path } OUTPUT_VARIABLE localHead )
execute_process ( COMMAND git rev-parse "HEAD:${relative_path}" WORKING_DIRECTORY ${ CMAKE_CURRENT_SOURCE_DIR } OUTPUT_VARIABLE checkedHead )
string ( COMPARE EQUAL "${localHead}" "${checkedHead}" upToDate )
if ( upToDate )
message ( STATUS "Submodule '${relative_path}' is up-to-date" )
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 ( )
endfunction ( )
message ( STATUS "Checking submodules" )
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/ghc-filesystem )
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check_submodule ( external/date )
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check_submodule ( external/pybind11 )
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if ( NOT WIN32 ) # we grab libuv for windows separately in win32-setup/libuv. see note in cmake/win32.cmake.
check_submodule ( external/libuv )
endif ( )
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check_submodule ( external/loki-mq )
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endif ( )
endif ( )
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if ( WITH_HIVE )
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add_subdirectory ( external/pybind11 EXCLUDE_FROM_ALL )
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 "" )
add_subdirectory ( external/nlohmann EXCLUDE_FROM_ALL )
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add_subdirectory ( external/cxxopts EXCLUDE_FROM_ALL )
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 )
list ( APPEND LIBS -ldl )
endif ( )
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if ( WITH_HIVE )
add_definitions ( -DLOKINET_HIVE=1 )
endif ( )
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add_subdirectory ( crypto )
add_subdirectory ( llarp )
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add_subdirectory ( daemon )
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if ( WITH_HIVE )
add_subdirectory ( pybind )
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 )
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 )
include ( cmake/installer.cmake )
endif ( )
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if ( BUILD_PACKAGE )
include ( cmake/installer.cmake )
endif ( )