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105 lines
2.8 KiB
CMake
105 lines
2.8 KiB
CMake
# Select a hash backend
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include(SanitizeBool)
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# USE_SHA1=CollisionDetection(ON)/HTTPS/Generic/OFF
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sanitizebool(USE_SHA1)
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sanitizebool(USE_SHA256)
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# sha1
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if(USE_SHA1 STREQUAL ON)
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SET(USE_SHA1 "CollisionDetection")
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elseif(USE_SHA1 STREQUAL "HTTPS")
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if(USE_HTTPS STREQUAL "SecureTransport")
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set(USE_SHA1 "CommonCrypto")
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elseif(USE_HTTPS STREQUAL "Schannel")
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set(USE_SHA1 "Win32")
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elseif(USE_HTTPS STREQUAL "WinHTTP")
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set(USE_SHA1 "Win32")
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elseif(USE_HTTPS)
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set(USE_SHA1 ${USE_HTTPS})
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else()
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set(USE_SHA1 "CollisionDetection")
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endif()
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endif()
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if(USE_SHA1 STREQUAL "CollisionDetection")
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set(GIT_SHA1_COLLISIONDETECT 1)
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elseif(USE_SHA1 STREQUAL "OpenSSL")
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set(GIT_SHA1_OPENSSL 1)
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elseif(USE_SHA1 STREQUAL "OpenSSL-Dynamic")
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set(GIT_SHA1_OPENSSL 1)
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set(GIT_SHA1_OPENSSL_DYNAMIC 1)
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list(APPEND LIBGIT2_SYSTEM_LIBS dl)
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elseif(USE_SHA1 STREQUAL "CommonCrypto")
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set(GIT_SHA1_COMMON_CRYPTO 1)
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elseif(USE_SHA1 STREQUAL "mbedTLS")
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set(GIT_SHA1_MBEDTLS 1)
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elseif(USE_SHA1 STREQUAL "Win32")
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set(GIT_SHA1_WIN32 1)
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else()
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message(FATAL_ERROR "Asked for unknown SHA1 backend: ${USE_SHA1}")
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endif()
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# sha256
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if(USE_SHA256 STREQUAL ON AND USE_HTTPS)
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SET(USE_SHA256 "HTTPS")
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elseif(USE_SHA256 STREQUAL ON)
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SET(USE_SHA256 "Builtin")
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endif()
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if(USE_SHA256 STREQUAL "HTTPS")
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if(USE_HTTPS STREQUAL "SecureTransport")
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set(USE_SHA256 "CommonCrypto")
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elseif(USE_HTTPS STREQUAL "Schannel")
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set(USE_SHA256 "Win32")
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elseif(USE_HTTPS STREQUAL "WinHTTP")
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set(USE_SHA256 "Win32")
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elseif(USE_HTTPS)
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set(USE_SHA256 ${USE_HTTPS})
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endif()
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endif()
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if(USE_SHA256 STREQUAL "Builtin")
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set(GIT_SHA256_BUILTIN 1)
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elseif(USE_SHA256 STREQUAL "OpenSSL")
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set(GIT_SHA256_OPENSSL 1)
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elseif(USE_SHA256 STREQUAL "OpenSSL-Dynamic")
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set(GIT_SHA256_OPENSSL 1)
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set(GIT_SHA256_OPENSSL_DYNAMIC 1)
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list(APPEND LIBGIT2_SYSTEM_LIBS dl)
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elseif(USE_SHA256 STREQUAL "CommonCrypto")
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set(GIT_SHA256_COMMON_CRYPTO 1)
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elseif(USE_SHA256 STREQUAL "mbedTLS")
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set(GIT_SHA256_MBEDTLS 1)
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elseif(USE_SHA256 STREQUAL "Win32")
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set(GIT_SHA256_WIN32 1)
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else()
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message(FATAL_ERROR "Asked for unknown SHA256 backend: ${USE_SHA256}")
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endif()
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# add library requirements
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if(USE_SHA1 STREQUAL "OpenSSL" OR USE_SHA256 STREQUAL "OpenSSL")
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if(CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
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list(APPEND LIBGIT2_PC_LIBS "-lssl")
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else()
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list(APPEND LIBGIT2_PC_REQUIRES "openssl")
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endif()
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endif()
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if(USE_SHA1 STREQUAL "mbedTLS" OR USE_SHA256 STREQUAL "mbedTLS")
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list(APPEND LIBGIT2_SYSTEM_INCLUDES ${MBEDTLS_INCLUDE_DIR})
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list(APPEND LIBGIT2_SYSTEM_LIBS ${MBEDTLS_LIBRARIES})
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# mbedTLS has no pkgconfig file, hence we can't require it
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# https://github.com/ARMmbed/mbedtls/issues/228
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# For now, pass its link flags as our own
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list(APPEND LIBGIT2_PC_LIBS ${MBEDTLS_LIBRARIES})
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endif()
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# notify feature enablement
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add_feature_info(SHA1 ON "using ${USE_SHA1}")
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add_feature_info(SHA256 ON "using ${USE_SHA256}")
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