diff options
Diffstat (limited to 'toolchains/cc/windows_clang/features.bzl')
| -rw-r--r-- | toolchains/cc/windows_clang/features.bzl | 55 |
1 files changed, 54 insertions, 1 deletions
diff --git a/toolchains/cc/windows_clang/features.bzl b/toolchains/cc/windows_clang/features.bzl index 62fa262f..df851494 100644 --- a/toolchains/cc/windows_clang/features.bzl +++ b/toolchains/cc/windows_clang/features.bzl @@ -119,6 +119,25 @@ copy_dynamic_libraries_to_binary_feature = feature( enabled = True, ) +dbg_feature = feature( + name = "dbg", + flag_sets = [ + flag_set( + actions = C_COMPILE_ACTIONS + CPP_COMPILE_ACTIONS, + flag_groups = [ + flag_group(flags = ["/Od", "/Z7"]), + ], + ), + flag_set( + actions = LINK_ACTIONS, + flag_groups = [ + flag_group(flags = ["/INCREMENTAL:NO"]), + ], + ), + ], + implies = ["generate_pdb_file"], +) + def_file_feature = feature( name = "def_file", enabled = True, @@ -452,6 +471,35 @@ libraries_to_link_feature = feature( no_windows_export_all_symbols_feature = feature(name = "no_windows_export_all_symbols") +opt_feature = feature( + name = "opt", + flag_sets = [ + flag_set( + actions = C_COMPILE_ACTIONS + CPP_COMPILE_ACTIONS, + flag_groups = [ + flag_group(flags = [ + "/O2", + # Allow removal of unused sections and code folding at link + # time. + "/Gy", + "/Gw", + ]), + ], + ), + flag_set( + actions = LINK_ACTIONS, + flag_groups = [ + flag_group(flags = [ + # Control flow guards + "/GUARD:CF", + "/OPT:REF", + "/OPT:ICF", + ]), + ], + ), + ], +) + output_execpath_feature = feature( name = "output_execpath_flags", enabled = True, @@ -589,13 +637,18 @@ def _cc_features_impl(ctx): generate_pdb_file_feature, get_toolchain_lib_search_paths_feature(import_config), get_archiver_flags_feature(ctx.attr.archive_flags), + # Start flag ordering: the order of following features impacts how + # flags override each other. + opt_feature, + dbg_feature, libraries_to_link_feature, - get_toolchain_libraries_to_link_feature(import_config), get_toolchain_link_flags_feature(ctx.attr.link_flags), user_link_flags_feature, + get_toolchain_libraries_to_link_feature(import_config), get_toolchain_compile_flags_feature(ctx.attr.compile_flags), get_toolchain_cxx_flags_feature(ctx.attr.cxx_flags), user_compile_flags_feature, + ### End flag ordering ## linker_param_file_feature, compiler_input_feature, compiler_output_feature, |