mirror of
https://github.com/libgit2/libgit2.git
synced 2026-06-22 06:26:26 +00:00
6c57bac6b1
libgit2 can be built with optional, experimental sha256 support. This allows consumers to begin testing and providing feedback for our sha256 support while we continue to develop it, and allows us to make API breaking changes while we iterate on a final sha256 implementation. The results will be `git2-experimental.dll` and installed as `git2-experimental.h` to avoid confusion with a production libgit2.
151 lines
5.6 KiB
CMake
151 lines
5.6 KiB
CMake
# libgit2: the cross-platform, linkable library implementation of git.
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# See `README.md` for build instructions.
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#
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# This top-level CMakeLists.txt sets up configuration options and
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# determines which subprojects to build.
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cmake_minimum_required(VERSION 3.5.1)
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project(libgit2 VERSION "1.5.0" LANGUAGES C)
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# Add find modules to the path
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set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${PROJECT_SOURCE_DIR}/cmake")
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#
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# Build options
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#
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# Experimental features
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option(EXPERIMENTAL_SHA256 "Enable experimental SHA256 support (for R&D/testing)" OFF)
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# Optional subsystems
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option(BUILD_SHARED_LIBS "Build Shared Library (OFF for Static)" ON)
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option(BUILD_TESTS "Build Tests using the Clar suite" ON)
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option(BUILD_CLI "Build the command-line interface" ON)
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option(BUILD_EXAMPLES "Build library usage example apps" OFF)
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option(BUILD_FUZZERS "Build the fuzz targets" OFF)
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# Suggested functionality that may not be available on a per-platform basis
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option(USE_THREADS "Use threads for parallel processing when possible" ON)
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option(USE_NSEC "Support nanosecond precision file mtimes and ctimes" ON)
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# Backend selection
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option(USE_SSH "Link with libssh2 to enable SSH support" OFF)
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option(USE_HTTPS "Enable HTTPS support. Can be set to a specific backend" ON)
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option(USE_SHA1 "Enable SHA1. Can be set to CollisionDetection(ON)/HTTPS" ON)
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option(USE_SHA256 "Enable SHA256. Can be set to HTTPS/Builtin" ON)
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option(USE_GSSAPI "Link with libgssapi for SPNEGO auth" OFF)
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set(USE_HTTP_PARSER "" CACHE STRING "Specifies the HTTP Parser implementation; either system or builtin.")
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set(REGEX_BACKEND "" CACHE STRING "Regular expression implementation. One of regcomp_l, pcre2, pcre, regcomp, or builtin.")
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option(USE_BUNDLED_ZLIB "Use the bundled version of zlib. Can be set to one of Bundled(ON)/Chromium. The Chromium option requires a x86_64 processor with SSE4.2 and CLMUL" OFF)
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# Debugging options
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option(USE_LEAK_CHECKER "Run tests with leak checker" OFF)
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option(USE_STANDALONE_FUZZERS "Enable standalone fuzzers (compatible with gcc)" OFF)
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option(DEBUG_POOL "Enable debug pool allocator" OFF)
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option(DEBUG_STRICT_ALLOC "Enable strict allocator behavior" OFF)
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option(DEBUG_STRICT_OPEN "Enable path validation in open" OFF)
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# Output options
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option(SONAME "Set the (SO)VERSION of the target" ON)
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set(LIBGIT2_FILENAME "git2" CACHE STRING "Name of the produced binary")
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option(DEPRECATE_HARD "Do not include deprecated functions in the library" OFF)
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# Compilation options
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option(ENABLE_WERROR "Enable compilation with -Werror" OFF)
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if(UNIX)
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# NTLM client requires crypto libraries from the system HTTPS stack
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if(NOT USE_HTTPS)
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option(USE_NTLMCLIENT "Enable NTLM support on Unix." OFF)
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else()
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option(USE_NTLMCLIENT "Enable NTLM support on Unix." ON)
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endif()
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option(ENABLE_REPRODUCIBLE_BUILDS "Enable reproducible builds" OFF)
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endif()
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if(APPLE)
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option(USE_ICONV "Link with and use iconv library" ON)
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endif()
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if(MSVC)
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# This option must match the settings used in your program, in particular if you
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# are linking statically
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option(STATIC_CRT "Link the static CRT libraries" ON)
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# If you want to embed a copy of libssh2 into libgit2, pass a
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# path to libssh2
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option(EMBED_SSH_PATH "Path to libssh2 to embed (Windows)" OFF)
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# Enable leak checking using the debugging C runtime.
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option(WIN32_LEAKCHECK "Enable leak reporting via crtdbg" OFF)
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endif()
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if(WIN32)
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# By default, libgit2 is built with WinHTTP. To use the built-in
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# HTTP transport, invoke CMake with the "-DUSE_WINHTTP=OFF" argument.
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option(USE_WINHTTP "Use Win32 WinHTTP routines" ON)
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endif()
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if(NOT CMAKE_CONFIGURATION_TYPES AND NOT CMAKE_BUILD_TYPE)
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set(CMAKE_BUILD_TYPE "Debug" CACHE STRING "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel." FORCE)
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endif()
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# Modules
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include(CheckLibraryExists)
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include(CheckFunctionExists)
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include(CheckSymbolExists)
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include(CheckStructHasMember)
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include(CheckPrototypeDefinition)
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include(AddCFlagIfSupported)
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include(FindPkgLibraries)
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include(FindThreads)
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include(FindStatNsec)
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include(Findfutimens)
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include(GNUInstallDirs)
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include(IdeSplitSources)
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include(FeatureSummary)
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include(EnableWarnings)
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include(DefaultCFlags)
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include(ExperimentalFeatures)
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#
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# Subdirectories
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#
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add_subdirectory(src)
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if(BUILD_TESTS)
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enable_testing()
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add_subdirectory(tests)
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endif()
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if(BUILD_EXAMPLES)
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add_subdirectory(examples)
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endif()
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if(BUILD_FUZZERS)
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if((BUILD_TESTS OR BUILD_EXAMPLES) AND NOT USE_STANDALONE_FUZZERS)
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message(FATAL_ERROR "Cannot build the fuzzer and the tests or examples together")
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endif()
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add_subdirectory(fuzzers)
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endif()
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# Export for people who use us as a dependency
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if(NOT "${CMAKE_CURRENT_SOURCE_DIR}" STREQUAL "${CMAKE_SOURCE_DIR}")
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set(LIBGIT2_DEPENDENCY_OBJECTS ${LIBGIT2_DEPENDENCY_OBJECTS} PARENT_SCOPE)
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set(LIBGIT2_SYSTEM_LIBS ${LIBGIT2_SYSTEM_LIBS} PARENT_SCOPE)
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endif()
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# Summary
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feature_summary(WHAT ENABLED_FEATURES DESCRIPTION "Enabled features:")
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feature_summary(WHAT DISABLED_FEATURES DESCRIPTION "Disabled features:")
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