"""C++ compile/link options for Protobuf libraries.""" COPTS = select({ "//build_defs:config_msvc": [ "/wd4065", # switch statement contains 'default' but no 'case' labels "/wd4146", # unary minus operator applied to unsigned type "/wd4244", # 'conversion' conversion from 'type1' to 'type2', possible loss of data "/wd4251", # 'identifier' : class 'type' needs to have dll-interface to be used by clients of class 'type2' "/wd4267", # 'var' : conversion from 'size_t' to 'type', possible loss of data "/wd4305", # 'identifier' : truncation from 'type1' to 'type2' "/wd4307", # 'operator' : integral constant overflow "/wd4309", # 'conversion' : truncation of constant value "/wd4334", # 'operator' : result of 32-bit shift implicitly converted to 64 bits (was 64-bit shift intended?) "/wd4355", # 'this' : used in base member initializer list "/wd4506", # no definition for inline function 'function' "/wd4800", # 'type' : forcing value to bool 'true' or 'false' (performance warning) "/wd4996", # The compiler encountered a deprecated declaration. "/utf-8", # Set source and execution character sets to UTF-8 ], "//conditions:default": [ "-DHAVE_ZLIB", "-Woverloaded-virtual", "-Wno-sign-compare", "-Wno-nonnull", "-Werror", ], }) # Android and MSVC builds do not need to link in a separate pthread library. LINK_OPTS = select({ "//build_defs:config_android": [], "//build_defs:config_android-stlport": [], "//build_defs:config_android-libcpp": [], "//build_defs:config_android-gnu-libstdcpp": [], "//build_defs:config_android-default": [], "//build_defs:config_msvc": [ # Suppress linker warnings about files with no symbols defined. "-ignore:4221", ], "@platforms//os:macos": [ "-lpthread", "-lm", "-framework CoreFoundation", ], "//conditions:default": [ "-lpthread", "-lm", ], })