diff options
| -rw-r--r-- | CMakeLists.txt | 4 | ||||
| -rw-r--r-- | azure-pipelines.yml | 4 | ||||
| -rw-r--r-- | azure-pipelines/nightly.yml | 4 | ||||
| -rw-r--r-- | cmake/Modules/SelectHTTPSBackend.cmake | 126 | ||||
| -rw-r--r-- | cmake/Modules/SelectHashes.cmake | 64 | ||||
| -rw-r--r-- | docs/changelog.md | 7 | ||||
| -rw-r--r-- | src/CMakeLists.txt | 168 |
7 files changed, 204 insertions, 173 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index b7f2bc746..127449ce3 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -52,11 +52,9 @@ OPTION(TAGS "Generate tags" OFF) OPTION(PROFILE "Generate profiling information" OFF) OPTION(ENABLE_TRACE "Enables tracing support" OFF) OPTION(LIBGIT2_FILENAME "Name of the produced binary" OFF) - - SET(SHA1_BACKEND "CollisionDetection" CACHE STRING - "Backend to use for SHA1. One of Generic, OpenSSL, Win32, CommonCrypto, mbedTLS, CollisionDetection.") OPTION(USE_SSH "Link with libssh2 to enable SSH support" ON) OPTION(USE_HTTPS "Enable HTTPS support. Can be set to a specific backend" ON) +OPTION(USE_SHA1 "Enable SHA1. Can be set to CollisionDetection(ON)/HTTPS/Generic" ON) OPTION(USE_GSSAPI "Link with libgssapi for SPNEGO auth" OFF) OPTION(USE_STANDALONE_FUZZERS "Enable standalone fuzzers (compatible with gcc)" OFF) OPTION(VALGRIND "Configure build for valgrind" OFF) diff --git a/azure-pipelines.yml b/azure-pipelines.yml index 2ea2ffb94..7c63b2bd8 100644 --- a/azure-pipelines.yml +++ b/azure-pipelines.yml @@ -29,7 +29,7 @@ jobs: imageName: 'libgit2/trusty-amd64:latest' environmentVariables: | CC=gcc - CMAKE_OPTIONS=-DUSE_HTTPS=mbedTLS -DSHA1_BACKEND=mbedTLS -DDEPRECATE_HARD=ON + CMAKE_OPTIONS=-DUSE_HTTPS=mbedTLS -DUSE_SHA1=HTTPS -DDEPRECATE_HARD=ON LEAK_CHECK=valgrind - job: linux_amd64_trusty_clang_openssl @@ -55,7 +55,7 @@ jobs: imageName: 'libgit2/trusty-amd64:latest' environmentVariables: | CC=clang - CMAKE_OPTIONS=-DUSE_HTTPS=mbedTLS -DSHA1_BACKEND=mbedTLS -DREGEX_BACKEND=pcre -DDEPRECATE_HARD=ON + CMAKE_OPTIONS=-DUSE_HTTPS=mbedTLS -DUSE_SHA1=HTTPS -DREGEX_BACKEND=pcre -DDEPRECATE_HARD=ON LEAK_CHECK=valgrind - job: macos diff --git a/azure-pipelines/nightly.yml b/azure-pipelines/nightly.yml index 696dbf19b..57b5a6fff 100644 --- a/azure-pipelines/nightly.yml +++ b/azure-pipelines/nightly.yml @@ -26,7 +26,7 @@ jobs: imageName: 'libgit2/trusty-amd64:latest' environmentVariables: | CC=gcc - CMAKE_OPTIONS=-DUSE_HTTPS=mbedTLS -DSHA1_BACKEND=mbedTLS -DDEPRECATE_HARD=ON + CMAKE_OPTIONS=-DUSE_HTTPS=mbedTLS -DUSE_SHA1=HTTPS -DDEPRECATE_HARD=ON LEAK_CHECK=valgrind RUN_INVASIVE_TESTS=true @@ -54,7 +54,7 @@ jobs: imageName: 'libgit2/trusty-amd64:latest' environmentVariables: | CC=clang - CMAKE_OPTIONS=-DUSE_HTTPS=mbedTLS -DSHA1_BACKEND=mbedTLS -DREGEX_BACKEND=pcre -DDEPRECATE_HARD=ON + CMAKE_OPTIONS=-DUSE_HTTPS=mbedTLS -DUSE_SHA1=HTTPS -DREGEX_BACKEND=pcre -DDEPRECATE_HARD=ON LEAK_CHECK=valgrind RUN_INVASIVE_TESTS=true diff --git a/cmake/Modules/SelectHTTPSBackend.cmake b/cmake/Modules/SelectHTTPSBackend.cmake new file mode 100644 index 000000000..a97ebe320 --- /dev/null +++ b/cmake/Modules/SelectHTTPSBackend.cmake @@ -0,0 +1,126 @@ +# Select the backend to use + +# We try to find any packages our backends might use +FIND_PACKAGE(OpenSSL) +FIND_PACKAGE(mbedTLS) +IF (CMAKE_SYSTEM_NAME MATCHES "Darwin") + FIND_PACKAGE(Security) + FIND_PACKAGE(CoreFoundation) +ENDIF() + +# Auto-select TLS backend +IF (USE_HTTPS STREQUAL ON) + message(ON) + IF (SECURITY_FOUND) + IF (SECURITY_HAS_SSLCREATECONTEXT) + SET(HTTPS_BACKEND "SecureTransport") + ELSE() + MESSAGE("-- Security framework is too old, falling back to OpenSSL") + SET(HTTPS_BACKEND "OpenSSL") + ENDIF() + ELSEIF (WINHTTP) + SET(HTTPS_BACKEND "WinHTTP") + ELSEIF(OPENSSL_FOUND) + SET(HTTPS_BACKEND "OpenSSL") + ELSEIF(MBEDTLS_FOUND) + SET(HTTPS_BACKEND "mbedTLS") + ELSE() + MESSAGE(FATAL_ERROR "Unable to autodetect a usable HTTPS backend." + "Please pass the backend name explicitly (-DUSE_HTTPS=backend)") + ENDIF() +ELSEIF(USE_HTTPS) + message(expl) + # HTTPS backend was explicitly set + SET(HTTPS_BACKEND ${USE_HTTPS}) +ELSE() + SET(HTTPS_BACKEND NO) +ENDIF() + +IF(HTTPS_BACKEND) + # Check that we can find what's required for the selected backend + IF (HTTPS_BACKEND STREQUAL "SecureTransport") + IF (NOT COREFOUNDATION_FOUND) + MESSAGE(FATAL_ERROR "Cannot use SecureTransport backend, CoreFoundation.framework not found") + ENDIF() + IF (NOT SECURITY_FOUND) + MESSAGE(FATAL_ERROR "Cannot use SecureTransport backend, Security.framework not found") + ENDIF() + IF (NOT SECURITY_HAS_SSLCREATECONTEXT) + MESSAGE(FATAL_ERROR "Cannot use SecureTransport backend, SSLCreateContext not supported") + ENDIF() + + SET(GIT_SECURE_TRANSPORT 1) + LIST(APPEND LIBGIT2_SYSTEM_INCLUDES ${SECURITY_INCLUDE_DIR}) + LIST(APPEND LIBGIT2_LIBS ${COREFOUNDATION_LIBRARIES} ${SECURITY_LIBRARIES}) + LIST(APPEND LIBGIT2_PC_LIBS ${COREFOUNDATION_LDFLAGS} ${SECURITY_LDFLAGS}) + ELSEIF (HTTPS_BACKEND STREQUAL "OpenSSL") + IF (NOT OPENSSL_FOUND) + MESSAGE(FATAL_ERROR "Asked for OpenSSL TLS backend, but it wasn't found") + ENDIF() + + SET(GIT_OPENSSL 1) + LIST(APPEND LIBGIT2_SYSTEM_INCLUDES ${OPENSSL_INCLUDE_DIR}) + LIST(APPEND LIBGIT2_LIBS ${OPENSSL_LIBRARIES}) + LIST(APPEND LIBGIT2_PC_LIBS ${OPENSSL_LDFLAGS}) + LIST(APPEND LIBGIT2_PC_REQUIRES "openssl") + ELSEIF(HTTPS_BACKEND STREQUAL "mbedTLS") + IF (NOT MBEDTLS_FOUND) + MESSAGE(FATAL_ERROR "Asked for mbedTLS backend, but it wasn't found") + ENDIF() + + IF(NOT CERT_LOCATION) + MESSAGE("Auto-detecting default certificates location") + IF(CMAKE_SYSTEM_NAME MATCHES Darwin) + # Check for an Homebrew installation + SET(OPENSSL_CMD "/usr/local/opt/openssl/bin/openssl") + ELSE() + SET(OPENSSL_CMD "openssl") + ENDIF() + EXECUTE_PROCESS(COMMAND ${OPENSSL_CMD} version -d OUTPUT_VARIABLE OPENSSL_DIR OUTPUT_STRIP_TRAILING_WHITESPACE) + IF(OPENSSL_DIR) + STRING(REGEX REPLACE "^OPENSSLDIR: \"(.*)\"$" "\\1/" OPENSSL_DIR ${OPENSSL_DIR}) + + SET(OPENSSL_CA_LOCATIONS + "ca-bundle.pem" # OpenSUSE Leap 42.1 + "cert.pem" # Ubuntu 14.04, FreeBSD + "certs/ca-certificates.crt" # Ubuntu 16.04 + "certs/ca.pem" # Debian 7 + ) + FOREACH(SUFFIX IN LISTS OPENSSL_CA_LOCATIONS) + SET(LOC "${OPENSSL_DIR}${SUFFIX}") + IF(NOT CERT_LOCATION AND EXISTS "${OPENSSL_DIR}${SUFFIX}") + SET(CERT_LOCATION ${LOC}) + ENDIF() + ENDFOREACH() + ELSE() + MESSAGE("Unable to find OpenSSL executable. Please provide default certificate location via CERT_LOCATION") + ENDIF() + ENDIF() + + IF(CERT_LOCATION) + IF(NOT EXISTS ${CERT_LOCATION}) + MESSAGE(FATAL_ERROR "Cannot use CERT_LOCATION=${CERT_LOCATION} as it doesn't exist") + ENDIF() + ADD_FEATURE_INFO(CERT_LOCATION ON "using certificates from ${CERT_LOCATION}") + ADD_DEFINITIONS(-DGIT_DEFAULT_CERT_LOCATION="${CERT_LOCATION}") + ENDIF() + + SET(GIT_MBEDTLS 1) + LIST(APPEND LIBGIT2_SYSTEM_INCLUDES ${MBEDTLS_INCLUDE_DIR}) + LIST(APPEND LIBGIT2_LIBS ${MBEDTLS_LIBRARIES}) + # mbedTLS has no pkgconfig file, hence we can't require it + # https://github.com/ARMmbed/mbedtls/issues/228 + # For now, pass its link flags as our own + LIST(APPEND LIBGIT2_PC_LIBS ${MBEDTLS_LIBRARIES}) + ELSEIF (HTTPS_BACKEND STREQUAL "WinHTTP") + # WinHTTP setup was handled in the WinHTTP-specific block above + ELSE() + MESSAGE(FATAL_ERROR "Asked for backend ${HTTPS_BACKEND} but it wasn't found") + ENDIF() + + SET(GIT_HTTPS 1) + ADD_FEATURE_INFO(HTTPS GIT_HTTPS "using ${HTTPS_BACKEND}") +ELSE() + SET(GIT_HTTPS 0) + ADD_FEATURE_INFO(HTTPS NO "") +ENDIF() diff --git a/cmake/Modules/SelectHashes.cmake b/cmake/Modules/SelectHashes.cmake new file mode 100644 index 000000000..450e2bddb --- /dev/null +++ b/cmake/Modules/SelectHashes.cmake @@ -0,0 +1,64 @@ +# Select a hash backend + +# USE_SHA1=CollisionDetection(ON)/HTTPS/Generic/OFF + +IF(USE_SHA1 STREQUAL ON OR USE_SHA1 STREQUAL "CollisionDetection") + SET(SHA1_BACKEND "CollisionDetection") +ELSEIF(USE_SHA1 STREQUAL "HTTPS") + message("Checking HTTPS backend… ${HTTPS_BACKEND}") + IF(HTTPS_BACKEND STREQUAL "SecureTransport") + SET(SHA1_BACKEND "CommonCrypto") + ELSEIF(HTTPS_BACKEND STREQUAL "WinHTTP") + SET(SHA1_BACKEND "Win32") + ELSEIF(HTTPS_BACKEND) + SET(SHA1_BACKEND ${HTTPS_BACKEND}) + ELSE() + ENDIF() + IF(NOT HTTPS_BACKEND) + SET(SHA1_BACKEND "CollisionDetection") + ENDIF() + message(STATUS "Using SHA1 backend ${SHA1_BACKEND}") +ELSEIF(USE_SHA1 STREQUAL "Generic") + SET(SHA1_BACKEND "Generic") +# ELSEIF(NOT USE_SHA1) +ELSE() + MESSAGE(FATAL_ERROR "Invalid value for USE_SHA1: ${USE_SHA1}") +ENDIF() + +IF(SHA1_BACKEND STREQUAL "CollisionDetection") + SET(GIT_SHA1_COLLISIONDETECT 1) + ADD_DEFINITIONS(-DSHA1DC_NO_STANDARD_INCLUDES=1) + ADD_DEFINITIONS(-DSHA1DC_CUSTOM_INCLUDE_SHA1_C=\"common.h\") + ADD_DEFINITIONS(-DSHA1DC_CUSTOM_INCLUDE_UBC_CHECK_C=\"common.h\") + FILE(GLOB SRC_SHA1 hash/hash_collisiondetect.c hash/sha1dc/*) +ELSEIF(SHA1_BACKEND STREQUAL "OpenSSL") + # OPENSSL_FOUND should already be set, we're checking HTTPS_BACKEND + + SET(GIT_SHA1_OPENSSL 1) + IF(CMAKE_SYSTEM_NAME MATCHES "FreeBSD") + LIST(APPEND LIBGIT2_PC_LIBS "-lssl") + ELSE() + LIST(APPEND LIBGIT2_PC_REQUIRES "openssl") + ENDIF() +ELSEIF(SHA1_BACKEND STREQUAL "CommonCrypto") + SET(GIT_SHA1_COMMON_CRYPTO 1) +ELSEIF(SHA1_BACKEND STREQUAL "mbedTLS") + SET(GIT_SHA1_MBEDTLS 1) + FILE(GLOB SRC_SHA1 hash/hash_mbedtls.c) + LIST(APPEND LIBGIT2_SYSTEM_INCLUDES ${MBEDTLS_INCLUDE_DIR}) + LIST(APPEND LIBGIT2_LIBS ${MBEDTLS_LIBRARIES}) + # mbedTLS has no pkgconfig file, hence we can't require it + # https://github.com/ARMmbed/mbedtls/issues/228 + # For now, pass its link flags as our own + LIST(APPEND LIBGIT2_PC_LIBS ${MBEDTLS_LIBRARIES}) +ELSEIF(SHA1_BACKEND STREQUAL "Win32") + SET(GIT_SHA1_WIN32 1) + FILE(GLOB SRC_SHA1 hash/hash_win32.c) +ELSEIF(SHA1_BACKEND STREQUAL "Generic") + FILE(GLOB SRC_SHA1 hash/hash_generic.c) +# ELSEIF(NOT USE_SHA1) +ELSE() + MESSAGE(FATAL_ERROR "Asked for unknown SHA1 backend: ${SHA1_BACKEND}") +ENDIF() + +ADD_FEATURE_INFO(SHA ON "using ${SHA1_BACKEND}") diff --git a/docs/changelog.md b/docs/changelog.md index 75f839212..e5eaf0794 100644 --- a/docs/changelog.md +++ b/docs/changelog.md @@ -10,6 +10,13 @@ v0.28 + 1 system http-parser implementation despite incompatibilities, you can specify `-DUSE_HTTP_PARSER=system` to CMake. +* The interactions between `USE_HTTPS` and `SHA1_BACKEND` have been + streamlined. The detection was moved to a new `USE_SHA1`, modeled after + `USE_HTTPS`, which takes the values "CollisionDetection/Backend/Generic", to + better match how the "hashing backend" is selected, the default (ON) being + "CollisionDetection". If you were using `SHA1_BACKEND` previously, you'll + need to check the value you've used, or switch to the autodetection. + ### Changes or improvements * libgit2 can now correctly cope with URLs where the host contains a colon diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt index 5a0cf347c..7ab183210 100644 --- a/src/CMakeLists.txt +++ b/src/CMakeLists.txt @@ -122,172 +122,8 @@ IF (WIN32 AND WINHTTP) LIST(APPEND LIBGIT2_PC_LIBS "-lrpcrt4" "-lcrypt32" "-lole32") ENDIF() -IF (USE_HTTPS) - # We try to find any packages our backends might use - FIND_PACKAGE(OpenSSL) - FIND_PACKAGE(mbedTLS) - IF (CMAKE_SYSTEM_NAME MATCHES "Darwin") - FIND_PACKAGE(Security) - FIND_PACKAGE(CoreFoundation) - ENDIF() - - # Auto-select TLS backend - IF (USE_HTTPS STREQUAL ON) - IF (SECURITY_FOUND) - IF (SECURITY_HAS_SSLCREATECONTEXT) - SET(HTTPS_BACKEND "SecureTransport") - ELSE() - MESSAGE("-- Security framework is too old, falling back to OpenSSL") - SET(HTTPS_BACKEND "OpenSSL") - ENDIF() - ELSEIF (WINHTTP) - SET(HTTPS_BACKEND "WinHTTP") - ELSEIF(OPENSSL_FOUND) - SET(HTTPS_BACKEND "OpenSSL") - ELSEIF(MBEDTLS_FOUND) - SET(HTTPS_BACKEND "mbedTLS") - ELSE() - MESSAGE(FATAL_ERROR "Unable to autodetect a usable HTTPS backend." - "Please pass the backend name explicitly (-DUSE_HTTPS=backend)") - ENDIF() - ELSE() - # Backend was explicitly set - SET(HTTPS_BACKEND ${USE_HTTPS}) - ENDIF() - - # Check that we can find what's required for the selected backend - IF (HTTPS_BACKEND STREQUAL "SecureTransport") - IF (NOT COREFOUNDATION_FOUND) - MESSAGE(FATAL_ERROR "Cannot use SecureTransport backend, CoreFoundation.framework not found") - ENDIF() - IF (NOT SECURITY_FOUND) - MESSAGE(FATAL_ERROR "Cannot use SecureTransport backend, Security.framework not found") - ENDIF() - IF (NOT SECURITY_HAS_SSLCREATECONTEXT) - MESSAGE(FATAL_ERROR "Cannot use SecureTransport backend, SSLCreateContext not supported") - ENDIF() - - SET(GIT_SECURE_TRANSPORT 1) - LIST(APPEND LIBGIT2_SYSTEM_INCLUDES ${SECURITY_INCLUDE_DIR}) - LIST(APPEND LIBGIT2_LIBS ${COREFOUNDATION_LIBRARIES} ${SECURITY_LIBRARIES}) - LIST(APPEND LIBGIT2_PC_LIBS ${COREFOUNDATION_LDFLAGS} ${SECURITY_LDFLAGS}) - ELSEIF (HTTPS_BACKEND STREQUAL "OpenSSL") - IF (NOT OPENSSL_FOUND) - MESSAGE(FATAL_ERROR "Asked for OpenSSL TLS backend, but it wasn't found") - ENDIF() - - SET(GIT_OPENSSL 1) - LIST(APPEND LIBGIT2_SYSTEM_INCLUDES ${OPENSSL_INCLUDE_DIR}) - LIST(APPEND LIBGIT2_LIBS ${OPENSSL_LIBRARIES}) - LIST(APPEND LIBGIT2_PC_LIBS ${OPENSSL_LDFLAGS}) - LIST(APPEND LIBGIT2_PC_REQUIRES "openssl") - ELSEIF(HTTPS_BACKEND STREQUAL "mbedTLS") - IF (NOT MBEDTLS_FOUND) - MESSAGE(FATAL_ERROR "Asked for mbedTLS backend, but it wasn't found") - ENDIF() - - IF(NOT CERT_LOCATION) - MESSAGE("Auto-detecting default certificates location") - IF(CMAKE_SYSTEM_NAME MATCHES Darwin) - # Check for an Homebrew installation - SET(OPENSSL_CMD "/usr/local/opt/openssl/bin/openssl") - ELSE() - SET(OPENSSL_CMD "openssl") - ENDIF() - EXECUTE_PROCESS(COMMAND ${OPENSSL_CMD} version -d OUTPUT_VARIABLE OPENSSL_DIR OUTPUT_STRIP_TRAILING_WHITESPACE) - IF(OPENSSL_DIR) - STRING(REGEX REPLACE "^OPENSSLDIR: \"(.*)\"$" "\\1/" OPENSSL_DIR ${OPENSSL_DIR}) - - SET(OPENSSL_CA_LOCATIONS - "ca-bundle.pem" # OpenSUSE Leap 42.1 - "cert.pem" # Ubuntu 14.04, FreeBSD - "certs/ca-certificates.crt" # Ubuntu 16.04 - "certs/ca.pem" # Debian 7 - ) - FOREACH(SUFFIX IN LISTS OPENSSL_CA_LOCATIONS) - SET(LOC "${OPENSSL_DIR}${SUFFIX}") - IF(NOT CERT_LOCATION AND EXISTS "${OPENSSL_DIR}${SUFFIX}") - SET(CERT_LOCATION ${LOC}) - ENDIF() - ENDFOREACH() - ELSE() - MESSAGE("Unable to find OpenSSL executable. Please provide default certificate location via CERT_LOCATION") - ENDIF() - ENDIF() - - IF(CERT_LOCATION) - IF(NOT EXISTS ${CERT_LOCATION}) - MESSAGE(FATAL_ERROR "Cannot use CERT_LOCATION=${CERT_LOCATION} as it doesn't exist") - ENDIF() - ADD_FEATURE_INFO(CERT_LOCATION ON "using certificates from ${CERT_LOCATION}") - ADD_DEFINITIONS(-DGIT_DEFAULT_CERT_LOCATION="${CERT_LOCATION}") - ENDIF() - - SET(GIT_MBEDTLS 1) - LIST(APPEND LIBGIT2_SYSTEM_INCLUDES ${MBEDTLS_INCLUDE_DIR}) - LIST(APPEND LIBGIT2_LIBS ${MBEDTLS_LIBRARIES}) - # mbedTLS has no pkgconfig file, hence we can't require it - # https://github.com/ARMmbed/mbedtls/issues/228 - # For now, pass its link flags as our own - LIST(APPEND LIBGIT2_PC_LIBS ${MBEDTLS_LIBRARIES}) - ELSEIF (HTTPS_BACKEND STREQUAL "WinHTTP") - # WinHTTP setup was handled in the WinHTTP-specific block above - ELSE() - MESSAGE(FATAL_ERROR "Asked for backend ${HTTPS_BACKEND} but it wasn't found") - ENDIF() - - ADD_FEATURE_INFO(HTTPS ON "using ${HTTPS_BACKEND}") - SET(GIT_HTTPS 1) -ELSE() - ADD_FEATURE_INFO(HTTPS OFF "no support") -ENDIF() - -# Specify sha1 implementation -IF(SHA1_BACKEND STREQUAL "OpenSSL") - IF(NOT OPENSSL_FOUND) - FIND_PACKAGE(OpenSSL) - IF(NOT OPENSSL_FOUND) - MESSAGE(FATAL_ERROR "Requested OpenSSL SHA1 backend, but OpenSSL could not be found") - ENDIF() - ENDIF() - - ADD_FEATURE_INFO(SHA ON "using OpenSSL") - SET(GIT_SHA1_OPENSSL 1) - IF(CMAKE_SYSTEM_NAME MATCHES "FreeBSD") - LIST(APPEND LIBGIT2_PC_LIBS "-lssl") - ELSE() - LIST(APPEND LIBGIT2_PC_REQUIRES "openssl") - ENDIF() -ELSEIF(SHA1_BACKEND STREQUAL "CollisionDetection") - ADD_FEATURE_INFO(SHA ON "using CollisionDetection") - SET(GIT_SHA1_COLLISIONDETECT 1) - ADD_DEFINITIONS(-DSHA1DC_NO_STANDARD_INCLUDES=1) - ADD_DEFINITIONS(-DSHA1DC_CUSTOM_INCLUDE_SHA1_C=\"common.h\") - ADD_DEFINITIONS(-DSHA1DC_CUSTOM_INCLUDE_UBC_CHECK_C=\"common.h\") - FILE(GLOB SRC_SHA1 hash/hash_collisiondetect.c hash/sha1dc/*) -ELSEIF(SHA1_BACKEND STREQUAL "Generic") - ADD_FEATURE_INFO(SHA ON "using Generic") - FILE(GLOB SRC_SHA1 hash/hash_generic.c) -ELSEIF(SHA1_BACKEND STREQUAL "Win32") - ADD_FEATURE_INFO(SHA ON "using Win32") - SET(GIT_SHA1_WIN32 1) - FILE(GLOB SRC_SHA1 hash/hash_win32.c) -ELSEIF(SHA1_BACKEND STREQUAL "CommonCrypto") - ADD_FEATURE_INFO(SHA ON "using CommonCrypto") - SET(GIT_SHA1_COMMON_CRYPTO 1) -ELSEIF (SHA1_BACKEND STREQUAL "mbedTLS") - ADD_FEATURE_INFO(SHA ON "using mbedTLS") - SET(GIT_SHA1_MBEDTLS 1) - FILE(GLOB SRC_SHA1 hash/hash_mbedtls.c) - LIST(APPEND LIBGIT2_SYSTEM_INCLUDES ${MBEDTLS_INCLUDE_DIR}) - LIST(APPEND LIBGIT2_LIBS ${MBEDTLS_LIBRARIES}) - # mbedTLS has no pkgconfig file, hence we can't require it - # https://github.com/ARMmbed/mbedtls/issues/228 - # For now, pass its link flags as our own - LIST(APPEND LIBGIT2_PC_LIBS ${MBEDTLS_LIBRARIES}) -ELSE() - MESSAGE(FATAL_ERROR "Asked for unknown SHA1 backend ${SHA1_BACKEND}") -ENDIF() +Include(SelectHTTPSBackend) +Include(SelectHashes) # Specify regular expression implementation FIND_PACKAGE(PCRE) |