SelectHashes.cmake in rugged-1.5.0

- old
+ new

@@ -2,11 +2,14 @@
 
 include(SanitizeBool)
 
 # USE_SHA1=CollisionDetection(ON)/HTTPS/Generic/OFF
 sanitizebool(USE_SHA1)
+sanitizebool(USE_SHA256)
 
+# sha1
+
 if(USE_SHA1 STREQUAL ON)
 	SET(USE_SHA1 "CollisionDetection")
 elseif(USE_SHA1 STREQUAL "HTTPS")
 	if(USE_HTTPS STREQUAL "SecureTransport")
 		set(USE_SHA1 "CommonCrypto")
@@ -19,34 +22,79 @@
 	endif()
 endif()
 
 if(USE_SHA1 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\")
 elseif(USE_SHA1 STREQUAL "OpenSSL")
-	# OPENSSL_FOUND should already be set, we're checking USE_HTTPS
-
 	set(GIT_SHA1_OPENSSL 1)
+elseif(USE_SHA1 STREQUAL "OpenSSL-Dynamic")
+	set(GIT_SHA1_OPENSSL 1)
+	set(GIT_SHA1_OPENSSL_DYNAMIC 1)
+	list(APPEND LIBGIT2_SYSTEM_LIBS dl)
+elseif(USE_SHA1 STREQUAL "CommonCrypto")
+	set(GIT_SHA1_COMMON_CRYPTO 1)
+elseif(USE_SHA1 STREQUAL "mbedTLS")
+	set(GIT_SHA1_MBEDTLS 1)
+elseif(USE_SHA1 STREQUAL "Win32")
+	set(GIT_SHA1_WIN32 1)
+else()
+	message(FATAL_ERROR "Asked for unknown SHA1 backend: ${USE_SHA1}")
+endif()
+
+# sha256
+
+if(USE_SHA256 STREQUAL ON AND USE_HTTPS)
+	SET(USE_SHA256 "HTTPS")
+elseif(USE_SHA256 STREQUAL ON)
+	SET(USE_SHA256 "Builtin")
+endif()
+
+if(USE_SHA256 STREQUAL "HTTPS")
+	if(USE_HTTPS STREQUAL "SecureTransport")
+		set(USE_SHA256 "CommonCrypto")
+	elseif(USE_HTTPS STREQUAL "WinHTTP")
+		set(USE_SHA256 "Win32")
+	elseif(USE_HTTPS)
+		set(USE_SHA256 ${USE_HTTPS})
+	endif()
+endif()
+
+if(USE_SHA256 STREQUAL "Builtin")
+	set(GIT_SHA256_BUILTIN 1)
+elseif(USE_SHA256 STREQUAL "OpenSSL")
+	set(GIT_SHA256_OPENSSL 1)
+elseif(USE_SHA256 STREQUAL "OpenSSL-Dynamic")
+	set(GIT_SHA256_OPENSSL 1)
+	set(GIT_SHA256_OPENSSL_DYNAMIC 1)
+	list(APPEND LIBGIT2_SYSTEM_LIBS dl)
+elseif(USE_SHA256 STREQUAL "CommonCrypto")
+	set(GIT_SHA256_COMMON_CRYPTO 1)
+elseif(USE_SHA256 STREQUAL "mbedTLS")
+	set(GIT_SHA256_MBEDTLS 1)
+elseif(USE_SHA256 STREQUAL "Win32")
+	set(GIT_SHA256_WIN32 1)
+else()
+	message(FATAL_ERROR "Asked for unknown SHA256 backend: ${USE_SHA256}")
+endif()
+
+# add library requirements
+if(USE_SHA1 STREQUAL "OpenSSL" OR USE_SHA256 STREQUAL "OpenSSL")
 	if(CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
 		list(APPEND LIBGIT2_PC_LIBS "-lssl")
 	else()
 		list(APPEND LIBGIT2_PC_REQUIRES "openssl")
 	endif()
-elseif(USE_SHA1 STREQUAL "CommonCrypto")
-	set(GIT_SHA1_COMMON_CRYPTO 1)
-elseif(USE_SHA1 STREQUAL "mbedTLS")
-	set(GIT_SHA1_MBEDTLS 1)
+endif()
+
+if(USE_SHA1 STREQUAL "mbedTLS" OR USE_SHA256 STREQUAL "mbedTLS")
 	list(APPEND LIBGIT2_SYSTEM_INCLUDES ${MBEDTLS_INCLUDE_DIR})
 	list(APPEND LIBGIT2_SYSTEM_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(USE_SHA1 STREQUAL "Win32")
-	set(GIT_SHA1_WIN32 1)
-elseif(NOT (USE_SHA1 STREQUAL "Generic"))
-	message(FATAL_ERROR "Asked for unknown SHA1 backend: ${USE_SHA1}")
 endif()
 
-add_feature_info(SHA ON "using ${USE_SHA1}")
+# notify feature enablement
+
+add_feature_info(SHA1 ON "using ${USE_SHA1}")
+add_feature_info(SHA256 ON "using ${USE_SHA256}")