--- patch98/build/config/compiler/BUILD.gn 2022-01-20 02:33:20.000000000 +0100 +++ patch98/build/config/compiler/BUILD.gn.clang 2022-01-27 22:21:44.954117389 +0100 @@ -528,37 +528,6 @@ config("compiler") { } } - # Enable text section splitting only on linux when using lld for now. Other - # platforms can be added later if needed. - if ((is_linux || is_chromeos) && use_lld && use_text_section_splitting) { - ldflags += [ "-Wl,-z,keep-text-section-prefix" ] - } - - if (is_clang && !is_nacl && current_os != "zos") { - cflags += [ "-fcrash-diagnostics-dir=" + clang_diagnostic_dir ] - - # TODO(hans): Remove this once Clang generates better optimized debug info - # by default. https://crbug.com/765793 - cflags += [ - "-mllvm", - "-instcombine-lower-dbg-declare=0", - ] - if (!is_debug && use_thin_lto && is_a_target_toolchain) { - if (is_win) { - ldflags += [ "-mllvm:-instcombine-lower-dbg-declare=0" ] - } else { - ldflags += [ "-Wl,-mllvm,-instcombine-lower-dbg-declare=0" ] - } - } - - # TODO(crbug.com/1235145): Investigate why/if this should be needed. - if (is_win) { - cflags += [ "/clang:-ffp-contract=off" ] - } else { - cflags += [ "-ffp-contract=off" ] - } - } - # C11/C++11 compiler flags setup. # --------------------------- if (is_linux || is_chromeos || is_android || (is_nacl && is_clang) || @@ -1231,45 +1200,6 @@ config("compiler_deterministic") { } } - # Makes builds independent of absolute file path. - if (is_clang && strip_absolute_paths_from_debug_symbols) { - # If debug option is given, clang includes $cwd in debug info by default. - # For such build, this flag generates reproducible obj files even we use - # different build directory like "out/feature_a" and "out/feature_b" if - # we build same files with same compile flag. - # Other paths are already given in relative, no need to normalize them. - if (is_nacl) { - # TODO(https://crbug.com/1231236): Use -ffile-compilation-dir= here. - cflags += [ - "-Xclang", - "-fdebug-compilation-dir", - "-Xclang", - ".", - ] - } else { - # -ffile-compilation-dir is an alias for both -fdebug-compilation-dir= - # and -fcoverage-compilation-dir=. - cflags += [ "-ffile-compilation-dir=." ] - } - if (!is_win) { - # We don't use clang -cc1as on Windows (yet? https://crbug.com/762167) - asmflags = [ "-Wa,-fdebug-compilation-dir,." ] - } - - if (is_win && use_lld) { - if (symbol_level == 2 || (is_clang && using_sanitizer)) { - # Absolutize source file paths for PDB. Pass the real build directory - # if the pdb contains source-level debug information and if linker - # reproducibility is not critical. - ldflags += [ "/PDBSourcePath:" + rebase_path(root_build_dir) ] - } else { - # Use a fake fixed base directory for paths in the pdb to make the pdb - # output fully deterministic and independent of the build directory. - ldflags += [ "/PDBSourcePath:o:\fake\prefix" ] - } - } - } - # Tells the compiler not to use absolute paths when passing the default # paths to the tools it invokes. We don't want this because we don't # really need it and it can mess up the goma cache entries. @@ -1556,7 +1486,7 @@ config("chromium_code") { defines = [ "_HAS_NODISCARD" ] } } else { - cflags = [ "-Wall" ] + cflags = [] if (treat_warnings_as_errors) { cflags += [ "-Werror" ] @@ -1565,10 +1495,6 @@ config("chromium_code") { # well. ldflags = [ "-Werror" ] } - if (is_clang) { - # Enable extra warnings for chromium_code when we control the compiler. - cflags += [ "-Wextra" ] - } # In Chromium code, we define __STDC_foo_MACROS in order to get the # C99 macros on Mac and Linux.