protobuf/build_defs/cpp_opts.bzl
2022-05-28 00:06:34 +00:00

48 lines
2.0 KiB
Python

"""C++ compile/link options for Protobuf libraries."""
COPTS = select({
"//build_defs:config_msvc": [
"/wd4065", # switch statement contains 'default' but no 'case' labels
"/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.
],
"//conditions:default": [
"-DHAVE_ZLIB",
"-Woverloaded-virtual",
"-Wno-sign-compare",
],
})
# 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",
],
"//conditions:default": [
"-lpthread",
"-lm",
],
})
# When cross-compiling for Windows we need to statically link pthread and the C++ library.
PROTOC_LINK_OPTS = select({
"//build_defs:config_win32": ["-static"],
"//build_defs:config_win64": ["-static"],
"//conditions:default": [],
})