mirror of
https://github.com/libgit2/libgit2.git
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4802272f68
Compiling libssh2 into libgit2 directly is madness. If users want to create a single library that contains libssh2, then they should link a static library.
145 lines
6.1 KiB
CMake
145 lines
6.1 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 "1.9.0" 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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# Feature enablement and backend selection
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set(USE_THREADS "" CACHE STRING "Use threads for parallel processing when possible. One of ON, OFF, or a specific provider: pthreads or win32. (Defaults to ON.)")
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set(USE_SSH "" CACHE STRING "Enables SSH support and optionally selects provider. One of ON, OFF, or a specific provider: libssh2 or exec. (Defaults to OFF.)")
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set(USE_HTTPS "" CACHE STRING "Enable HTTPS support and optionally selects the provider. One of ON, OFF, or a specific provider: OpenSSL, OpenSSL-FIPS, OpenSSL-Dynamic, mbedTLS, SecureTransport, Schannel, or WinHTTP. (Defaults to ON.)")
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set(USE_SHA1 "" CACHE STRING "Selects SHA1 provider. One of builtin, HTTPS, or a specific provider. (Defaults to builtin.)")
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set(USE_SHA256 "" CACHE STRING "Selects SHA256 provider. One of Builtin, HTTPS, or a specific provider. (Defaults to HTTPS.)")
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set(USE_HTTP_PARSER "" CACHE STRING "Selects HTTP Parser support: http-parser, llhttp, or builtin. (Defaults to builtin.)")
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set(USE_AUTH_NTLM "" CACHE STRING "Enables NTLM authentication support. One of Builtin or win32.")
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set(USE_AUTH_NEGOTIATE "" CACHE STRING "Enable Negotiate (SPNEGO) authentication support. One of GSSAPI or win32.")
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# set(USE_XDIFF "" CACHE STRING "Specifies the xdiff implementation; either system or builtin.")
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set(USE_REGEX "" CACHE STRING "Selects regex provider. One of regcomp_l, pcre2, pcre, regcomp, or builtin.")
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set(USE_COMPRESSION "" CACHE STRING "Selects compression backend. Either builtin or zlib.")
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set(USE_NSEC "" CACHE STRING "Enable nanosecond precision timestamps. One of ON, OFF, or a specific provider: mtimespec, mtim, mtime, or win32. (Defaults to ON).")
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if(APPLE)
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# Currently only available on macOS for `precomposeUnicode` support
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set(USE_I18N "" CACHE STRING "Enables internationalization support.")
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endif()
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# Debugging options
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set(DEBUG_LEAK_CHECKER "" CACHE STRING "Configure for leak checking test runs. One of valgrind, leaks, or win32. Either valgrind or leaks.")
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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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# Default to c99 on Android Studio for compatibility; c90 everywhere else
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if("${CMAKE_SYSTEM_NAME}" STREQUAL "Android")
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set(CMAKE_C_STANDARD "99" CACHE STRING "The C standard to compile against")
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else()
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set(CMAKE_C_STANDARD "90" CACHE STRING "The C standard to compile against")
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endif()
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option(CMAKE_C_EXTENSIONS "Whether compiler extensions are supported" OFF)
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option(ENABLE_WERROR "Enable compilation with -Werror" OFF)
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if(UNIX)
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option(ENABLE_REPRODUCIBLE_BUILDS "Enable reproducible builds" OFF)
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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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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(FeatureSummary)
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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(CheckPrototypeDefinitionSafe)
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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(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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# warn for not using sha1dc
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foreach(WARNING ${WARNINGS})
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message(WARNING ${WARNING})
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endforeach()
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