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libretroshare/CMakeLists.txt
Gioacchino Mazzurco 9a33138dff
Merge pull request #375 from jolavillette/fix/android-use-prebuilt-rnp 
Android: enforce using the librnp built for the sysroot instead of rebuilding it inline
2026-08-30 09:17:25 +02:00

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CMake
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# RetroShare decentralized communication platform
#
# Copyright (C) 2021-2026 Gioacchino Mazzurco <gio@retroshare.cc>
#
# SPDX-License-Identifier: CC0-1.0
cmake_minimum_required (VERSION 3.18.0)
project(retroshare)
include(CMakeDependentOption)
include(GNUInstallDirs)
set(FETCHCONTENT_QUIET OFF)
include(FetchContent)
if(WIN32)
# Force Unicode mappings for Windows API (fixes MoveFileEx and similar errors)
add_definitions(-DUNICODE -D_UNICODE)
endif()
option(
RS_SQLCIPHER
"SQLCipher encryption for GXS database"
ON )
option(
RS_GXS_SEND_ALL
"GXS distribute all available messages on request, indipendently from \
local sync timer"
ON )
option(
RS_USE_CALENDAR
"Build RetroShare with GXS Calendar service support"
ON )
option(
RS_BITDHT
"Use bitdht (BitTorrent DHT own implementation) to look for online peers"
ON )
cmake_dependent_option(
RS_BITDHT_STUNNER
"Use bitdht (BitTorrent DHT own implementation) for NAT type discovery and \
attempt the STUN (Session Traversal Utilities for NAT)"
ON
"RS_BITDHT"
OFF )
cmake_dependent_option(
RS_BITDHT_STUNNER_EXT_IP
"Use bitdht (BitTorrent DHT own implementation) stunner to figure out our \
external IP. As this purely relying on random DHT peers that answer our \
request, it can easily be abused. Therefore, it is turned off by default."
OFF
"RS_BITDHT_STUNNER"
OFF )
option(
RS_RNPLIB
"Enable use RNP lib for PGP"
ON )
option(
RS_JSON_API
"Use restbed to expose libretroshare as JSON API via HTTP"
OFF )
option(
RS_FORUM_DEEP_INDEX
"Xapian based full text index and search of GXS forums"
OFF )
option(
RS_BRODCAST_DISCOVERY
"Local area network peer discovery via udp-discovery-cpp"
ON )
option(
RS_DH_PRIME_INIT_CHECK
"Check Diffie Hellman prime at each startup. This is not necessary and on \
all Android mobile phones tested this take at least one minute at startup \
which is untolerable for most phone users."
ON )
option(
RS_MINIUPNPC
"Forward ports in NAT router via miniupnpc"
ON )
cmake_dependent_option(
RS_LIBUPNP
"Forward ports in NAT router via libupnp (unstable)"
OFF
"NOT RS_MINIUPNPC"
OFF )
option(
RS_LIBRETROSHARE_STATIC
"Build RetroShare static library"
ON )
cmake_dependent_option(
RS_LIBRETROSHARE_SHARED
"Build RetroShare shared library"
OFF
"NOT RS_LIBRETROSHARE_STATIC"
OFF )
option(
RS_WARN_DEPRECATED
"Print warning about RetroShare deprecated components usage during build"
ON )
option(
RS_WARN_LESS
"Silence a few at the moment very common warnings about RetroShare \
components during build"
OFF )
option(
RS_V07_BREAKING_CHANGES
"Enable retro-compatibility breaking changes planned for RetroShare 0.7.0"
OFF )
option(
RS_GXSWIKIPOS
"Build the experimental, off-by-default GXS Wiki (WikiPoos) service"
OFF )
option(
RS_GXSTHEWIRE
"Build the experimental, off-by-default GXS 'The Wire' service"
OFF )
option(
RS_LIBRETROSHARE_STANDALONE_INSTALL
"Install libretroshare as a stand-alone library"
OFF )
set(
RS_DATA_DIR
"${CMAKE_INSTALL_FULL_DATADIR}/${PROJECT_NAME}"
CACHE PATH
"Path where to install RetroShare system wide data" )
set(
RS_INCLUDE_INSTALL_DIR
"${CMAKE_INSTALL_FULL_INCLUDEDIR}/${PROJECT_NAME}"
CACHE PATH
"Path where to install libretroshare headers" )
set(
RS_LIB_INSTALL_DIR
"${CMAKE_INSTALL_FULL_LIBDIR}"
CACHE PATH
"Path where to install libretroshare compiled library" )
option(
RS_EXPORT_JNI_ONLOAD
"Export libretroshare JNI_OnLoad. See src/rs_android/rsjni.cpp for details"
ON )
option(
RS_DEVELOPMENT_BUILD
"Disable optimization to speed up build, enable verbose build log. \
just for development purposes, not suitable for library usage"
OFF )
option(
RS_ANDROID
"Enable when compiling libretroshare for Android"
OFF )
cmake_dependent_option(
RS_WEBUI
"Enable RetroShare Web UI support"
OFF
"RS_JSON_API"
OFF )
# Enable DWARF split debugging symbols generation also in Release mode this
# doesn't make the library fat as the debugging symbols are stored
# separately, enable us to symbolicate crash reports produced by release builds
# @see https://www.productive-cpp.com/improving-cpp-builds-with-split-dwarf/
# https://web.archive.org/web/20231127210015/https://www.productive-cpp.com/improving-cpp-builds-with-split-dwarf/
option(
RS_SPLIT_DEBUG
"Generate split debug symbols, useful for debugabble release builds"
OFF )
option(
RS_CPPTRACE_STACKTRACE
"Use Jeremy Rifkin Cpptrace library to print stacktrace instead of \
our implementation"
OFF )
set(
RS_MAJOR_VERSION
""
CACHE STRING
"Specify RetroShare major version" )
set(
RS_MINOR_VERSION
""
CACHE STRING
"Specify RetroShare minor version" )
set(
RS_MINI_VERSION
""
CACHE STRING
"Specify RetroShare mini version" )
set(
RS_EXTRA_VERSION
""
CACHE STRING
"Specify an extra string to append to RetroShare version to make it more descriptive" )
################################################################################
find_package(Git REQUIRED)
################################################################################
if(RS_DEVELOPMENT_BUILD)
set(CMAKE_VERBOSE_MAKEFILE ON)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
endif(RS_DEVELOPMENT_BUILD)
################################################################################
include(src/CMakeLists.txt)
list(TRANSFORM RS_SOURCES PREPEND src/)
list(TRANSFORM RS_PUBLIC_HEADERS PREPEND src/)
if(RS_LIBRETROSHARE_STATIC)
add_library(${PROJECT_NAME} STATIC ${RS_SOURCES})
endif(RS_LIBRETROSHARE_STATIC)
if(RS_LIBRETROSHARE_SHARED)
add_library(${PROJECT_NAME} SHARED ${RS_SOURCES})
## Ensure statically linked libraries such as openpgpsdk are compiled with
## PIC Which is needed for shared library
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
## Make the linker fail at build time if libretroshare.so contains any
## undefined symbol, instead of silently producing a .so that crashes at
## runtime with
## java.lang.UnsatisfiedLinkError: dlopen failed: cannot locate symbol $symbol
## This is especially important on Android where every dependency (bzip2,
## OpenSSL, SQLite, librnp, ...) is statically linked: an undefined
## reference in libretroshare.so has no provider at runtime, unlike on
## Linux where those deps are shared system libraries resolved via
## DT_NEEDED.
## The same hardening would be valuable on other platforms too
## (-Wl,-z,defs on Linux, -Wl,-undefined,error on macOS) but there the
## shared-deps model makes the trade-off less clear, so it is
## Android-only for now.
if(RS_ANDROID)
target_link_options(${PROJECT_NAME} PRIVATE LINKER:--no-undefined)
endif()
if(WIN32)
set_target_properties(${PROJECT_NAME} PROPERTIES WINDOWS_EXPORT_ALL_SYMBOLS ON)
if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
# We must use an explicit list of heavy 3rd-party archives instead of "ALL" for --exclude-libs.
# Using "ALL" also hides symbols from CMake's internal objects.a archive (created by WINDOWS_EXPORT_ALL_SYMBOLS),
# which prevents libretroshare from exporting its own core C++ symbols, causing massive linkage errors downstream.
target_link_options(${PROJECT_NAME} PRIVATE "-Wl,--export-all-symbols,--exclude-libs,libbitdht.a:librnp.a:libsexpp.a:libudp-discovery.a:librestbed.a:libsqlcipher.a:libbotan-2.a:libbotan-3.a:libz.a:libbz2.a")
endif()
endif()
endif(RS_LIBRETROSHARE_SHARED)
set_property(TARGET ${PROJECT_NAME} PROPERTY CXX_STANDARD 17)
if(WIN32)
target_compile_definitions(
${PROJECT_NAME} PUBLIC
WINDOWS_SYS
# Forces the Windows API to use wide-char variants (e.g. MoveFileExW)
UNICODE
_UNICODE
# Prevents <windows.h> from pulling in <wingdi.h> which #defines ERROR
NOGDI
# Prevents <windows.h> from defining min/max macros that break std::min/max
NOMINMAX
# Prevents <windows.h> from pulling in <wincrypt.h> which shadows OpenSSL X509 types
NOCRYPT
# Prevents <windows.h> from including extra headers and polluting the namespace
WIN32_LEAN_AND_MEAN
WIN_DLL_EXPORT )
target_link_libraries(${PROJECT_NAME} PUBLIC ws2_32 winmm iphlpapi)
endif()
## As of today libretroshare doesn't hide implementation details properly so it
## is necessary to flag all implementation headers as public
target_include_directories(
${PROJECT_NAME}
PUBLIC "${CMAKE_CURRENT_SOURCE_DIR}/src" )
set_target_properties(
${PROJECT_NAME}
PROPERTIES PUBLIC_HEADER "${RS_PUBLIC_HEADERS}" )
if(RS_LIBRETROSHARE_STANDALONE_INSTALL)
install(
TARGETS ${PROJECT_NAME}
LIBRARY DESTINATION "${RS_LIB_INSTALL_DIR}"
PUBLIC_HEADER DESTINATION "${RS_INCLUDE_INSTALL_DIR}" )
## As of today libretroshare doesn't hide implementation details properly so it
## is necessary to install private headers too
foreach(P_HEADER ${RS_IMPLEMENTATION_HEADERS})
get_filename_component(P_DIR "${P_HEADER}" DIRECTORY)
install(
FILES "${CMAKE_CURRENT_SOURCE_DIR}/src/${P_HEADER}"
DESTINATION "${RS_INCLUDE_INSTALL_DIR}/${P_DIR}" )
endforeach()
endif(RS_LIBRETROSHARE_STANDALONE_INSTALL)
if(RS_SPLIT_DEBUG)
target_compile_options(${PROJECT_NAME} PRIVATE "-g")
target_compile_options(${PROJECT_NAME} PRIVATE "-gsplit-dwarf")
endif(RS_SPLIT_DEBUG)
if(RS_DEVELOPMENT_BUILD)
target_compile_options(${PROJECT_NAME} PRIVATE "-O0")
endif(RS_DEVELOPMENT_BUILD)
if(RS_ANDROID)
target_link_libraries(${PROJECT_NAME} PRIVATE log)
endif(RS_ANDROID)
target_link_libraries(${PROJECT_NAME} PRIVATE ${CMAKE_DL_LIBS})
find_package(Threads REQUIRED)
target_link_libraries(${PROJECT_NAME} PRIVATE Threads::Threads)
find_package(OpenSSL REQUIRED)
target_include_directories(${PROJECT_NAME} PRIVATE ${OPENSSL_INCLUDE_DIR})
target_link_libraries(${PROJECT_NAME} PRIVATE OpenSSL::SSL OpenSSL::Crypto)
## bzip2 is referenced directly by libretroshare (e.g. BZ2_bzlibVersion in
## rsserver/p3face-info.cc) and transitively by several statically-linked
## dependencies (librnp, openpgpsdk, sqlcipher). It must be linked
## explicitly.
find_package(BZip2 REQUIRED)
target_include_directories(${PROJECT_NAME} PRIVATE ${BZIP2_INCLUDE_DIRS})
target_link_libraries(${PROJECT_NAME} PRIVATE BZip2::BZip2)
## Link explicitly for the same reason as bzip2
find_package(ZLIB REQUIRED)
target_link_libraries(${PROJECT_NAME} PRIVATE ZLIB::ZLIB)
################################################################################
if(RS_RNPLIB)
## json-c is referenced transitively by librnp (json-utils.cpp,
## rnp.cpp, stream-dump.cpp) but not exported by librnp's CMake target.
find_package(json-c REQUIRED)
target_link_libraries(${PROJECT_NAME} PRIVATE json-c::json-c)
macro(rnplib_set_inline_build_options)
set(RNPLIB_BUILD_SHARED ${RS_LIBRETROSHARE_SHARED})
set(SAVED_BUILD_SHARED_LIBS ${BUILD_SHARED_LIBS})
set(BUILD_TESTING OFF)
set(BUILD_SHARED_LIBS ${RNPLIB_BUILD_SHARED})
set(DOWNLOAD_GTEST OFF)
set(ENABLE_DOC OFF CACHE BOOL "Disable librnp docs" FORCE)
endmacro()
macro(rnplib_restore_build_options)
set(BUILD_SHARED_LIBS ${SAVED_BUILD_SHARED_LIBS})
endmacro()
set(RNPLIB_DEVEL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../supportlibs/librnp/")
## On Android prefer an already built and installed librnp, which
## prepare-toolchain-clang.sh puts in the sysroot before configuring us.
## Building it inline instead cannot work: librnp's CMake runs a freshly
## compiled findopensslfeatures to enumerate the OpenSSL features, and that
## binary is an Android executable the build host cannot run -- either not
## at all, or through binfmt/qemu which then fails on the missing Android
## dynamic linker:
## qemu-aarch64: Could not open '/system/bin/linker64': No such file or
## directory
## The inline build is only reached when libretroshare is checked out
## inside the RetroShare super-project, which is why building from a
## standalone clone has always worked.
if(RS_ANDROID)
find_library(RS_PREBUILT_RNP_LIBRARY NAMES rnp)
endif(RS_ANDROID)
if(NOT RS_PREBUILT_RNP_LIBRARY AND EXISTS "${RNPLIB_DEVEL_DIR}/CMakeLists.txt")
message(STATUS "librnp source found at ${RNPLIB_DEVEL_DIR} using it")
rnplib_set_inline_build_options()
add_subdirectory("${RNPLIB_DEVEL_DIR}" "${CMAKE_CURRENT_BINARY_DIR}/librnp")
rnplib_restore_build_options()
set(RNPLIB_SRC_DIR "${RNPLIB_DEVEL_DIR}")
set(RNPLIB_BIN_DIR "${CMAKE_CURRENT_BINARY_DIR}/librnp")
set(RNPLIB_INLINE_BUILD ON)
else()
find_library(LIBRNP_LIBRARY NAMES rnp)
if(LIBRNP_LIBRARY)
message(STATUS "Found pre-built librnp at ${LIBRNP_LIBRARY}")
find_library(LIBSEXPP_LIBRARY NAMES sexpp)
target_link_libraries(${PROJECT_NAME} PRIVATE ${LIBRNP_LIBRARY})
if(LIBSEXPP_LIBRARY)
message(STATUS "and sexpp at ${LIBSEXPP_LIBRARY}")
target_link_libraries(${PROJECT_NAME} PRIVATE ${LIBSEXPP_LIBRARY})
endif()
set(RNPLIB_INLINE_BUILD OFF)
else()
message(STATUS "librnp not found locally, using FetchContent")
rnplib_set_inline_build_options()
FetchContent_Declare(
librnp
GIT_REPOSITORY "https://github.com/rnpgp/rnp.git"
GIT_TAG "origin/main"
GIT_SHALLOW TRUE
GIT_PROGRESS TRUE
TIMEOUT 10
)
FetchContent_MakeAvailable(librnp)
rnplib_restore_build_options()
set(RNPLIB_SRC_DIR "${librnp_SOURCE_DIR}")
set(RNPLIB_BIN_DIR "${librnp_BINARY_DIR}")
set(RNPLIB_INLINE_BUILD ON)
endif()
endif()
if(RNPLIB_INLINE_BUILD)
target_include_directories(${PROJECT_NAME} PUBLIC
"${RNPLIB_SRC_DIR}/include"
"${RNPLIB_BIN_DIR}/src/lib"
)
if(RNPLIB_BUILD_SHARED)
target_link_libraries(${PROJECT_NAME} PRIVATE librnp)
else()
target_link_libraries(${PROJECT_NAME} PRIVATE librnp sexpp)
endif()
endif()
else()
set(OPENPGPSDK_DEVEL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../openpgpsdk/")
if(EXISTS "${OPENPGPSDK_DEVEL_DIR}/CMakeLists.txt" )
message(
STATUS
"openpgpsdk source found at ${OPENPGPSDK_DEVEL_DIR} using it" )
add_subdirectory("${OPENPGPSDK_DEVEL_DIR}" "${CMAKE_BINARY_DIR}/openpgpsdk")
else()
FetchContent_Declare(
openpgpsdk
GIT_REPOSITORY "https://github.com/RetroShare/OpenPGP-SDK.git"
GIT_TAG "origin/master"
GIT_SHALLOW TRUE
GIT_PROGRESS TRUE
TIMEOUT 10
)
FetchContent_MakeAvailable(openpgpsdk)
endif()
target_link_libraries(${PROJECT_NAME} PRIVATE openpgpsdk)
target_compile_definitions(${PROJECT_NAME} PUBLIC USE_OPENPGPSDK)
endif(RS_RNPLIB)
################################################################################
if(RS_BITDHT)
set(BITDHT_DEVEL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../libbitdht/")
if(EXISTS "${BITDHT_DEVEL_DIR}/CMakeLists.txt" )
message(
STATUS
"BitDHT submodule found at ${BITDHT_DEVEL_DIR} using it" )
add_subdirectory(${BITDHT_DEVEL_DIR} ${CMAKE_BINARY_DIR}/bitdht)
set(RS_BITDHT_DIR "${BITDHT_DEVEL_DIR}")
else()
FetchContent_Declare(
bitdht
GIT_REPOSITORY "https://github.com/RetroShare/BitDHT.git"
GIT_TAG "origin/master"
GIT_SHALLOW TRUE
GIT_PROGRESS TRUE
TIMEOUT 10
)
FetchContent_MakeAvailable(bitdht)
set(RS_BITDHT_DIR "${bitdht_SOURCE_DIR}")
endif()
target_compile_definitions(${PROJECT_NAME} PUBLIC RS_USE_BITDHT)
target_link_libraries(${PROJECT_NAME} PRIVATE bitdht)
if(RS_BITDHT_STUNNER)
target_compile_definitions(${PROJECT_NAME} PUBLIC RS_USE_DHT_STUNNER)
if(RS_BITDHT_STUNNER_EXT_IP)
# TODO: Refactor this define to use proper prefix and then flag as
# public
target_compile_definitions(
${PROJECT_NAME} PRIVATE ALLOW_DHT_STUNNER )
endif(RS_BITDHT_STUNNER_EXT_IP)
endif(RS_BITDHT_STUNNER)
endif(RS_BITDHT)
################################################################################
set(RAPIDJSON_DEVEL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../supportlibs/rapidjson/")
find_path(
RS_RAPIDJSON_INCLUDE "rapidjson/document.h"
PATH_SUFFIXES "include" "includes" )
if(EXISTS "${RS_RAPIDJSON_INCLUDE}")
message( STATUS
"RapidJSON found in system at ${RS_RAPIDJSON_INCLUDE}" )
target_include_directories(
${PROJECT_NAME}
PUBLIC "${RS_RAPIDJSON_INCLUDE}" )
elseif(EXISTS "${RAPIDJSON_DEVEL_DIR}/CMakeLists.txt")
message( STATUS
"RapidJSON found in development dir at ${RAPIDJSON_DEVEL_DIR}" )
target_include_directories(
${PROJECT_NAME}
PUBLIC "${RAPIDJSON_DEVEL_DIR}/include" )
else()
FetchContent_Declare(
rapidjson
GIT_REPOSITORY "https://github.com/Tencent/rapidjson.git"
GIT_SHALLOW TRUE
GIT_PROGRESS TRUE
TIMEOUT 10
)
FetchContent_MakeAvailable(rapidjson)
endif()
################################################################################
if(RS_JSON_API)
find_package(Doxygen REQUIRED)
find_package(Python3 REQUIRED)
set(
JSON_API_GENERATOR_WORK_DIR
"${CMAKE_BINARY_DIR}/jsonapi-generator.workdir/" )
set(
JSON_API_GENERATOR_DOXYFILE
"${JSON_API_GENERATOR_WORK_DIR}/jsonapi-generator-doxygen.conf" )
set(
JSONAPI_GENERATOR_OUTPUT_DIR
"${JSON_API_GENERATOR_WORK_DIR}/src/" )
set(
JSONAPI_GENERATOR_SOURCE_DIR
"${CMAKE_CURRENT_SOURCE_DIR}/src/jsonapi/" )
set(
JSONAPI_GENERATOR_EXECUTABLE
"${JSONAPI_GENERATOR_SOURCE_DIR}/jsonapi-generator.py" )
file(READ "src/jsonapi/jsonapi-generator-doxygen.conf" DOXYFILE_CONTENT)
string(APPEND DOXYFILE_CONTENT
"\nOUTPUT_DIRECTORY=${JSONAPI_GENERATOR_OUTPUT_DIR}\n"
"INPUT=${CMAKE_CURRENT_SOURCE_DIR}/src/\n"
"EXCLUDE="
" ${CMAKE_CURRENT_SOURCE_DIR}/src/tests"
" ${CMAKE_CURRENT_SOURCE_DIR}/src/unused"
" ${CMAKE_CURRENT_SOURCE_DIR}/src/unfinished\n"
)
file(WRITE "${JSON_API_GENERATOR_DOXYFILE}" "${DOXYFILE_CONTENT}")
# Doxygen never purges its output directory, and the generator emits one
# #include per *_8h.xml file it finds there. Without removing them first, the
# XML of a public header that has been removed or renamed survives forever and
# keeps being turned into an #include of a file that no longer exists.
# cmake -E rm does not expand wildcards, so the glob is done by a generated
# script run at build time.
set(
JSON_API_PURGE_XML_SCRIPT
"${JSON_API_GENERATOR_WORK_DIR}/purge-stale-header-xml.cmake" )
file(WRITE "${JSON_API_PURGE_XML_SCRIPT}"
"file(GLOB stale_header_xml \"${JSONAPI_GENERATOR_OUTPUT_DIR}/xml/*_8h.xml\")\n"
"if(stale_header_xml)\n"
"\tfile(REMOVE \${stale_header_xml})\n"
"endif()\n"
)
add_custom_command(
OUTPUT
"${JSONAPI_GENERATOR_OUTPUT_DIR}/jsonapi-includes.inl"
"${JSONAPI_GENERATOR_OUTPUT_DIR}/jsonapi-wrappers.inl"
COMMAND ${CMAKE_COMMAND} -P "${JSON_API_PURGE_XML_SCRIPT}"
COMMAND ${DOXYGEN_EXECUTABLE} ${JSON_API_GENERATOR_DOXYFILE}
COMMAND
${Python3_EXECUTABLE} ${JSONAPI_GENERATOR_EXECUTABLE}
${JSONAPI_GENERATOR_SOURCE_DIR} ${JSONAPI_GENERATOR_OUTPUT_DIR}
MAIN_DEPENDENCY "${JSONAPI_GENERATOR_EXECUTABLE}"
DEPENDS ${JSON_API_GENERATOR_DOXYFILE} ${RS_PUBLIC_HEADERS} )
target_sources(
${PROJECT_NAME} PRIVATE
"${JSONAPI_GENERATOR_OUTPUT_DIR}/jsonapi-includes.inl"
"${JSONAPI_GENERATOR_OUTPUT_DIR}/jsonapi-wrappers.inl" )
target_include_directories(
${PROJECT_NAME} PRIVATE "${JSONAPI_GENERATOR_OUTPUT_DIR}" )
set(BUILD_TESTS OFF CACHE BOOL "Do not build restbed tests")
set(BUILD_SSL OFF CACHE BOOL "Do not build restbed SSL support")
set(BUILD_SHARED_LIBRARY ${RS_LIBRETROSHARE_SHARED})
set(BUILD_SHARED_LIBS ${RS_LIBRETROSHARE_SHARED})
set(RESTBED_DEVEL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../supportlibs/restbed/")
if(RS_ANDROID)
## At moment depending on restbed the CMake way doesn't seems to work at
## least on Android due to upstream CMake file limitation, patches
## should be sent upstream.
## Restbed is therefore compiled by Android toolchain preparation script
target_link_libraries(${PROJECT_NAME} PRIVATE restbed)
elseif(NOT WIN32 AND EXISTS "${RESTBED_DEVEL_DIR}/CMakeLists.txt")
## On Windows, skip the local submodule: recent restbed HEAD requires
## system ASIO (not available by default on MSYS2/MinGW). Fall through
## to FetchContent which downloads restbed 4.8 with bundled ASIO.
message( STATUS
"Restbed submodule found at ${RESTBED_DEVEL_DIR} using it" )
add_subdirectory(
${RESTBED_DEVEL_DIR}
${CMAKE_BINARY_DIR}/restbed
EXCLUDE_FROM_ALL )
# EXCLUDE_FROM_ALL prevent executing install directives from included
# dependencies see https://stackoverflow.com/a/64900982
set(RESTBED_TARGET restbed-static)
if(TARGET restbed-shared AND BUILD_SHARED_LIBS)
set(RESTBED_TARGET restbed-shared)
endif()
target_include_directories(
${PROJECT_NAME} PUBLIC "${RESTBED_DEVEL_DIR}/source/" )
target_link_libraries(${PROJECT_NAME} PRIVATE ${RESTBED_TARGET})
else()
message( WARNING
"FetchContent restbed, will be installed if you run make install")
FetchContent_Declare(
restbed
GIT_REPOSITORY "https://github.com/Corvusoft/restbed.git"
GIT_TAG "4.8"
GIT_SUBMODULES dependency/asio dependency/catch
GIT_SHALLOW TRUE
GIT_PROGRESS TRUE
TIMEOUT 10
# PATCH_COMMAND applies hotfixes to restbed before building:
# 1. Removes /wd4251 (MSVC-specific flag) that breaks GCC/Clang builds.
# 2. Bumps CMake minimum version to 3.5.0 to suppress deprecation warnings in CMake >= 3.27.
PATCH_COMMAND sed -i -e "s|/wd4251||g" -e "s|VERSION 3.1.0|VERSION 3.5.0|g" CMakeLists.txt
)
FetchContent_MakeAvailable(restbed)
set(RESTBED_TARGET restbed-static)
if(TARGET restbed-shared AND BUILD_SHARED_LIBS)
set(RESTBED_TARGET restbed-shared)
endif()
target_include_directories(
${PROJECT_NAME} PUBLIC ${restbed_SOURCE_DIR}/source/ )
target_link_libraries(${PROJECT_NAME} PRIVATE ${RESTBED_TARGET})
if(WIN32)
if(TARGET restbed-static)
target_link_libraries(restbed-static PUBLIC ws2_32 winmm iphlpapi mswsock)
endif()
if(TARGET restbed-shared)
target_link_libraries(restbed-shared PUBLIC ws2_32 winmm iphlpapi mswsock)
endif()
endif()
endif()
target_compile_definitions(${PROJECT_NAME} PUBLIC RS_JSONAPI)
endif(RS_JSON_API)
################################################################################
if(RS_FORUM_DEEP_INDEX)
find_package(Xapian REQUIRED)
target_link_libraries(${PROJECT_NAME} PRIVATE ${XAPIAN_LIBRARIES})
target_compile_definitions(${PROJECT_NAME} PUBLIC RS_DEEP_FORUMS_INDEX)
endif(RS_FORUM_DEEP_INDEX)
################################################################################
## TODO: Check if https://github.com/rbock/sqlpp11 or
## https://github.com/rbock/sqlpp17 may improve GXS code
if(RS_SQLCIPHER)
find_library(RS_SQL_LIB "sqlcipher" REQUIRED)
find_path(
RS_SQL_LIB_INCLUDE "sqlcipher/sqlite3.h"
PATH_SUFFIXES "include" "includes"
REQUIRED )
target_include_directories(
${PROJECT_NAME}
PRIVATE "${RS_SQL_LIB_INCLUDE}/sqlcipher" )
target_link_libraries(${PROJECT_NAME} PRIVATE ${RS_SQL_LIB})
else()
# TODO: Refactor this define to use proper prefix and then flag as
# public
target_compile_definitions(${PROJECT_NAME} PRIVATE NO_SQLCIPHER)
find_package(SQLite3 REQUIRED)
target_link_libraries(${PROJECT_NAME} PRIVATE SQLite::SQLite3)
endif()
target_compile_definitions(
${PROJECT_NAME} PRIVATE
SQLITE_HAS_CODEC
RS_ENABLE_GXS
GXS_ENABLE_SYNC_MSGS
RS_USE_GXS_DISTANT_SYNC
RS_GXS_TRANS
V07_NON_BACKWARD_COMPATIBLE_CHANGE_001
V07_NON_BACKWARD_COMPATIBLE_CHANGE_002
V07_NON_BACKWARD_COMPATIBLE_CHANGE_003 )
if(RS_V07_BREAKING_CHANGES)
target_compile_definitions(
${PROJECT_NAME} PRIVATE
V07_NON_BACKWARD_COMPATIBLE_CHANGE_004
V07_NON_BACKWARD_COMPATIBLE_CHANGE_UNNAMED )
endif()
if(NOT RS_DH_PRIME_INIT_CHECK)
target_compile_definitions(
${PROJECT_NAME} PRIVATE RS_DISABLE_DIFFIE_HELLMAN_INIT_CHECK )
endif(NOT RS_DH_PRIME_INIT_CHECK)
if(RS_MINIUPNPC)
target_compile_definitions(
${PROJECT_NAME} PUBLIC RS_USE_LIBMINIUPNPC )
target_link_libraries(${PROJECT_NAME} PRIVATE miniupnpc)
endif(RS_MINIUPNPC)
if(RS_LIBUPNP)
message(FATAL_ERROR "UPnP support via libupnp is currently not supported")
#target_compile_definitions(${PROJECT_NAME} PUBLIC RS_USE_LIBUPNP)
endif(RS_LIBUPNP)
if(RS_GXS_SEND_ALL)
target_compile_definitions(
${PROJECT_NAME} PUBLIC RS_GXS_SEND_ALL )
endif(RS_GXS_SEND_ALL)
if(RS_USE_CALENDAR)
target_compile_definitions(
${PROJECT_NAME} PUBLIC RS_USE_CALENDAR )
endif(RS_USE_CALENDAR)
# Enable the experimental GXS Wiki (WikiPoos) service. The define is PUBLIC so
# that consumers (retroshare-gui, retroshare-service) that link libretroshare
# see the same RS_USE_WIKI guard used in rsserver/rsinit.cc and the GUI.
if(RS_GXSWIKIPOS)
target_compile_definitions(
${PROJECT_NAME} PUBLIC RS_USE_WIKI )
endif(RS_GXSWIKIPOS)
# Enable the experimental GXS 'The Wire' service (see note above).
if(RS_GXSTHEWIRE)
target_compile_definitions(
${PROJECT_NAME} PUBLIC RS_USE_WIRE )
endif(RS_GXSTHEWIRE)
if(RS_BRODCAST_DISCOVERY)
## TODO: upstream option to disable tests building
set(BUILD_EXAMPLE OFF CACHE BOOL "Do not build udp-discovery-cpp examples")
set(BUILD_TOOL OFF CACHE BOOL "Do not build udp-discovery-tool application")
set(CMAKE_POLICY_VERSION_MINIMUM 3.5)
set(UDP_DISCOVERY_DEVEL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../supportlibs/udp-discovery-cpp/")
if(EXISTS "${UDP_DISCOVERY_DEVEL_DIR}/CMakeLists.txt")
message( STATUS
"UDP discovery source found at ${UDP_DISCOVERY_DEVEL_DIR} using it" )
add_subdirectory(${UDP_DISCOVERY_DEVEL_DIR} ${CMAKE_BINARY_DIR}/udp-discovery-cpp/)
## TODO: Temporary work around target_include_directories PUBLIC should
## be added upstream
target_include_directories(
${PROJECT_NAME} PRIVATE "${UDP_DISCOVERY_DEVEL_DIR}" )
else()
FetchContent_Declare(
udp-discovery-cpp
GIT_REPOSITORY "https://github.com/truvorskameikin/udp-discovery-cpp.git"
GIT_TAG "origin/master"
GIT_SHALLOW TRUE
GIT_PROGRESS TRUE
TIMEOUT 10
)
FetchContent_MakeAvailable(udp-discovery-cpp)
## TODO: Temporary work around target_include_directories PUBLIC should
## be added upstream
target_include_directories(
${PROJECT_NAME} PRIVATE "${udp-discovery-cpp_SOURCE_DIR}" )
endif()
target_link_libraries(${PROJECT_NAME} PRIVATE udp-discovery)
target_compile_definitions(${PROJECT_NAME} PUBLIC RS_BROADCAST_DISCOVERY)
endif(RS_BRODCAST_DISCOVERY)
if(NOT RS_WARN_DEPRECATED)
target_compile_definitions(${PROJECT_NAME} PRIVATE RS_NO_WARN_DEPRECATED)
target_compile_options(
${PROJECT_NAME} PRIVATE
-Wno-deprecated -Wno-deprecated-declarations )
endif(NOT RS_WARN_DEPRECATED)
if(RS_WARN_LESS)
target_compile_definitions(${PROJECT_NAME} PRIVATE RS_NO_WARN_CPP)
target_compile_options(
${PROJECT_NAME} PRIVATE
-Wno-cpp -Wno-inconsistent-missing-override )
endif(RS_WARN_LESS)
if(RS_WEBUI)
target_compile_definitions(${PROJECT_NAME} PUBLIC RS_WEBUI)
endif(RS_WEBUI)
################################################################################
if(CMAKE_SYSTEM_NAME STREQUAL "Linux")
target_compile_definitions(
${PROJECT_NAME} PUBLIC RS_DATA_DIR="${RS_DATA_DIR}" )
endif(CMAKE_SYSTEM_NAME STREQUAL "Linux")
################################################################################
if(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
target_link_libraries(${PROJECT_NAME} PRIVATE "-framework Cocoa")
endif()
################################################################################
if(RS_EXPORT_JNI_ONLOAD)
target_compile_definitions(
${PROJECT_NAME} PUBLIC RS_LIBRETROSHARE_EXPORT_JNI_ONLOAD )
endif(RS_EXPORT_JNI_ONLOAD)
################################################################################
if(RS_ANDROID)
FetchContent_Declare(
jni-hpp
GIT_REPOSITORY "https://github.com/RetroShare/jni.hpp.git"
GIT_TAG "origin/master"
GIT_SHALLOW TRUE
GIT_PROGRESS TRUE
TIMEOUT 10
)
FetchContent_MakeAvailable(jni-hpp)
target_include_directories(
${PROJECT_NAME} PRIVATE "${jni-hpp_SOURCE_DIR}/include" )
endif(RS_ANDROID)
################################################################################
set(V_VERSION_SET OFF)
if( NOT RS_MAJOR_VERSION STREQUAL "" AND
NOT RS_MINOR_VERSION STREQUAL "" AND
NOT RS_MINI_VERSION STREQUAL "" )
message(STATUS "libRetroShare version ${RS_MAJOR_VERSION}.${RS_MINOR_VERSION}.${RS_MINI_VERSION}${RS_EXTRA_VERSION} defined in command line")
set(V_VERSION_SET ON)
else()
set(V_GIT_DESCRIBE_OUTPUT "")
set(V_GIT_DESCRIBE_REGEXP "^v([0-9]+).([0-9]+).([0-9]+)(.*)\n$")
execute_process(
COMMAND ${GIT_EXECUTABLE} describe --tags --long --match v*.*.*
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
OUTPUT_VARIABLE V_GIT_DESCRIBE_OUTPUT
RESULT_VARIABLE V_GIT_RESULT ) # Avoid CMake failure if git fails
if( V_GIT_RESULT EQUAL 0 AND
V_GIT_DESCRIBE_OUTPUT MATCHES "${V_GIT_DESCRIBE_REGEXP}" )
string(
REGEX REPLACE
"${V_GIT_DESCRIBE_REGEXP}" "\\1;\\2;\\3;\\4"
V_GIT_DESCRIBE_LIST ${V_GIT_DESCRIBE_OUTPUT} )
list(GET V_GIT_DESCRIBE_LIST 0 RS_MAJOR_VERSION)
list(GET V_GIT_DESCRIBE_LIST 1 RS_MINOR_VERSION)
list(GET V_GIT_DESCRIBE_LIST 2 RS_MINI_VERSION)
list(GET V_GIT_DESCRIBE_LIST 3 RS_EXTRA_VERSION)
message("libRetroShare version ${RS_MAJOR_VERSION}.${RS_MINOR_VERSION}.${RS_MINI_VERSION}${RS_EXTRA_VERSION} determined via git")
set(V_VERSION_SET ON)
else()
message(WARNING "Determining libRetroShare version via git failed please specify it through CMake command line arguments!")
endif()
endif()
if(V_VERSION_SET)
target_compile_definitions(
${PROJECT_NAME}
PUBLIC RS_MAJOR_VERSION=${RS_MAJOR_VERSION}
PUBLIC RS_MINOR_VERSION=${RS_MINOR_VERSION}
PUBLIC RS_MINI_VERSION=${RS_MINI_VERSION}
PUBLIC RS_EXTRA_VERSION="${RS_EXTRA_VERSION}" )
endif(V_VERSION_SET)
################################################################################
# Engine build hash exposed through RsInit::libRetroShareVersion().
# Ported from the qmake build (libretroshare.pro RS_LIB_VERSION_HASH block):
# describe the libretroshare submodule itself and drop the leading 'v' to
# match the GUI version style. Used only inside libretroshare, hence PRIVATE.
execute_process(
COMMAND ${GIT_EXECUTABLE} describe --tags --always --dirty
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
OUTPUT_VARIABLE RS_LIB_VERSION_HASH
OUTPUT_STRIP_TRAILING_WHITESPACE
RESULT_VARIABLE V_GIT_HASH_RESULT ) # Avoid CMake failure if git fails
if(V_GIT_HASH_RESULT EQUAL 0 AND NOT RS_LIB_VERSION_HASH STREQUAL "")
string(REGEX REPLACE "^v" "" RS_LIB_VERSION_HASH "${RS_LIB_VERSION_HASH}")
message(STATUS "libRetroShare engine hash ${RS_LIB_VERSION_HASH}")
target_compile_definitions(
${PROJECT_NAME}
PRIVATE RS_LIB_VERSION_HASH="${RS_LIB_VERSION_HASH}" )
else()
message(WARNING "Determining libRetroShare engine hash via git failed")
endif()
################################################################################
# TODO: Use generator expressions instead of CMAKE_BUILD_TYPE see
# https://cmake.org/cmake/help/latest/manual/cmake-buildsystem.7.html#build-configurations
# https://cmake.org/cmake/help/latest/manual/cmake-generator-expressions.7.html#manual:cmake-generator-expressions(7)
## On Android all symbols except for the few ones used called via JNI can be
## kept hidden allowing for more optimization, and reduced binary size
if(RS_ANDROID AND CMAKE_BUILD_TYPE STREQUAL "Release")
set_property(TARGET ${PROJECT_NAME} PROPERTY C_VISIBILITY_PRESET hidden)
set_property(TARGET ${PROJECT_NAME} PROPERTY CXX_VISIBILITY_PRESET hidden)
set_property(TARGET ${PROJECT_NAME} PROPERTY VISIBILITY_INLINES_HIDDEN ON)
endif()
# Note: Disabling LTO (Interprocedural Optimization) on Windows is necessary for RetroShare
# because enabling it causes the MinGW linker (ld) to run out of memory or exhaust the maximum
# number of exported symbols, or emit "multiple definition" errors during LTO code generation.
# While this makes the binary fatter and slower, it prevents fatal build failures.
# The same escape hatch (-DRS_NO_LTO=ON) also works around lto1 internal compiler
# errors (segfault in the IPA icf pass) with the older GCC 10 LTO plugin, e.g. when
# building on Debian 11 to produce a portable (old-glibc) AppImage.
if(CMAKE_BUILD_TYPE STREQUAL "Release" AND NOT WIN32 AND NOT RS_NO_LTO)
set_property(TARGET ${PROJECT_NAME} PROPERTY INTERPROCEDURAL_OPTIMIZATION ON)
endif()
################################################################################
if(RS_CPPTRACE_STACKTRACE)
FetchContent_Declare(
cpptrace
GIT_REPOSITORY https://github.com/jeremy-rifkin/cpptrace.git
GIT_TAG v0.3.1
GIT_SHALLOW TRUE
GIT_PROGRESS TRUE
TIMEOUT 10
)
FetchContent_MakeAvailable(cpptrace)
target_link_libraries(${PROJECT_NAME} PRIVATE cpptrace::cpptrace)
target_compile_definitions(
${LIBRARY_NAME} PRIVATE RS_JEREMY_RIFKIN_CPPTRACE )
endif(RS_CPPTRACE_STACKTRACE)
if(RS_USE_I2P_SAM3)
target_link_libraries(${PROJECT_NAME} PRIVATE sam3)
endif()
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