thodg/libgit2/cmake/SelectHashes.cmake

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• Hash : c3fec456
  Author :
  Date : 2021-11-11T22:37:36
  

  cmake: reformat modules Apply the standard project cmake formatting to the modules.

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• cmake/SelectHashes.cmake

• # Select a hash backend
  
  include(SanitizeBool)
  
  # USE_SHA1=CollisionDetection(ON)/HTTPS/Generic/OFF
  sanitizebool(USE_SHA1)
  
  if(USE_SHA1 STREQUAL ON)
  	SET(USE_SHA1 "CollisionDetection")
  elseif(USE_SHA1 STREQUAL "HTTPS")
  	if(USE_HTTPS STREQUAL "SecureTransport")
  		set(USE_SHA1 "CommonCrypto")
  	elseif(USE_HTTPS STREQUAL "WinHTTP")
  		set(USE_SHA1 "Win32")
  	elseif(USE_HTTPS)
  		set(USE_SHA1 ${USE_HTTPS})
  	else()
  		set(USE_SHA1 "CollisionDetection")
  	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)
  	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)
  	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}")
  

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