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125 lines
4.3 KiB
CMake
125 lines
4.3 KiB
CMake
INCLUDE(SanitizeBool)
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# We try to find any packages our backends might use
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FIND_PACKAGE(OpenSSL)
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FIND_PACKAGE(mbedTLS)
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IF (CMAKE_SYSTEM_NAME MATCHES "Darwin")
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FIND_PACKAGE(Security)
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FIND_PACKAGE(CoreFoundation)
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ENDIF()
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IF(USE_HTTPS)
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# Auto-select TLS backend
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SanitizeBool(USE_HTTPS)
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IF (USE_HTTPS STREQUAL ON)
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IF (SECURITY_FOUND)
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IF (SECURITY_HAS_SSLCREATECONTEXT)
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SET(USE_HTTPS "SecureTransport")
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ELSE()
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MESSAGE(STATUS "Security framework is too old, falling back to OpenSSL")
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SET(USE_HTTPS "OpenSSL")
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ENDIF()
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ELSEIF (WINHTTP)
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SET(USE_HTTPS "WinHTTP")
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ELSEIF(OPENSSL_FOUND)
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SET(USE_HTTPS "OpenSSL")
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ELSEIF(MBEDTLS_FOUND)
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SET(USE_HTTPS "mbedTLS")
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ELSE()
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MESSAGE(FATAL_ERROR "Unable to autodetect a usable HTTPS backend."
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"Please pass the backend name explicitly (-DUSE_HTTPS=backend)")
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ENDIF()
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ENDIF()
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# Check that we can find what's required for the selected backend
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IF (USE_HTTPS STREQUAL "SecureTransport")
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IF (NOT COREFOUNDATION_FOUND)
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MESSAGE(FATAL_ERROR "Cannot use SecureTransport backend, CoreFoundation.framework not found")
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ENDIF()
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IF (NOT SECURITY_FOUND)
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MESSAGE(FATAL_ERROR "Cannot use SecureTransport backend, Security.framework not found")
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ENDIF()
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IF (NOT SECURITY_HAS_SSLCREATECONTEXT)
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MESSAGE(FATAL_ERROR "Cannot use SecureTransport backend, SSLCreateContext not supported")
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ENDIF()
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SET(GIT_SECURE_TRANSPORT 1)
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LIST(APPEND LIBGIT2_SYSTEM_INCLUDES ${SECURITY_INCLUDE_DIR})
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LIST(APPEND LIBGIT2_LIBS ${COREFOUNDATION_LDFLAGS} ${SECURITY_LDFLAGS})
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LIST(APPEND LIBGIT2_PC_LIBS ${COREFOUNDATION_LDFLAGS} ${SECURITY_LDFLAGS})
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ELSEIF (USE_HTTPS STREQUAL "OpenSSL")
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IF (NOT OPENSSL_FOUND)
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MESSAGE(FATAL_ERROR "Asked for OpenSSL TLS backend, but it wasn't found")
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ENDIF()
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SET(GIT_OPENSSL 1)
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LIST(APPEND LIBGIT2_SYSTEM_INCLUDES ${OPENSSL_INCLUDE_DIR})
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LIST(APPEND LIBGIT2_LIBS ${OPENSSL_LIBRARIES})
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LIST(APPEND LIBGIT2_PC_LIBS ${OPENSSL_LDFLAGS})
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LIST(APPEND LIBGIT2_PC_REQUIRES "openssl")
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ELSEIF(USE_HTTPS STREQUAL "mbedTLS")
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IF (NOT MBEDTLS_FOUND)
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MESSAGE(FATAL_ERROR "Asked for mbedTLS backend, but it wasn't found")
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ENDIF()
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IF(NOT CERT_LOCATION)
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MESSAGE(STATUS "Auto-detecting default certificates location")
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IF(CMAKE_SYSTEM_NAME MATCHES Darwin)
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# Check for an Homebrew installation
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SET(OPENSSL_CMD "/usr/local/opt/openssl/bin/openssl")
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ELSE()
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SET(OPENSSL_CMD "openssl")
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ENDIF()
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EXECUTE_PROCESS(COMMAND ${OPENSSL_CMD} version -d OUTPUT_VARIABLE OPENSSL_DIR OUTPUT_STRIP_TRAILING_WHITESPACE)
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IF(OPENSSL_DIR)
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STRING(REGEX REPLACE "^OPENSSLDIR: \"(.*)\"$" "\\1/" OPENSSL_DIR ${OPENSSL_DIR})
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SET(OPENSSL_CA_LOCATIONS
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"ca-bundle.pem" # OpenSUSE Leap 42.1
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"cert.pem" # Ubuntu 14.04, FreeBSD
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"certs/ca-certificates.crt" # Ubuntu 16.04
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"certs/ca.pem" # Debian 7
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)
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FOREACH(SUFFIX IN LISTS OPENSSL_CA_LOCATIONS)
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SET(LOC "${OPENSSL_DIR}${SUFFIX}")
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IF(NOT CERT_LOCATION AND EXISTS "${OPENSSL_DIR}${SUFFIX}")
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SET(CERT_LOCATION ${LOC})
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ENDIF()
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ENDFOREACH()
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ELSE()
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MESSAGE(FATAL_ERROR "Unable to find OpenSSL executable. Please provide default certificate location via CERT_LOCATION")
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ENDIF()
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ENDIF()
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IF(CERT_LOCATION)
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IF(NOT EXISTS ${CERT_LOCATION})
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MESSAGE(FATAL_ERROR "Cannot use CERT_LOCATION=${CERT_LOCATION} as it doesn't exist")
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ENDIF()
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ADD_FEATURE_INFO(CERT_LOCATION ON "using certificates from ${CERT_LOCATION}")
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ADD_DEFINITIONS(-DGIT_DEFAULT_CERT_LOCATION="${CERT_LOCATION}")
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ENDIF()
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SET(GIT_MBEDTLS 1)
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LIST(APPEND LIBGIT2_SYSTEM_INCLUDES ${MBEDTLS_INCLUDE_DIR})
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LIST(APPEND LIBGIT2_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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ELSEIF (USE_HTTPS STREQUAL "WinHTTP")
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# WinHTTP setup was handled in the WinHTTP-specific block above
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ELSEIF (USE_HTTPS STREQUAL "OpenSSL-Dynamic")
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SET(GIT_OPENSSL 1)
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SET(GIT_OPENSSL_DYNAMIC 1)
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LIST(APPEND LIBGIT2_LIBS dl)
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ELSE()
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MESSAGE(FATAL_ERROR "Asked for backend ${USE_HTTPS} but it wasn't found")
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ENDIF()
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SET(GIT_HTTPS 1)
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ADD_FEATURE_INFO(HTTPS GIT_HTTPS "using ${USE_HTTPS}")
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ELSE()
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SET(GIT_HTTPS 0)
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ADD_FEATURE_INFO(HTTPS NO "")
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ENDIF()
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