213 lines
7.2 KiB
Text
213 lines
7.2 KiB
Text
--- build/config/compiler/BUILD.gn.orig 2023-04-22 17:45:15 UTC
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+++ build/config/compiler/BUILD.gn
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@@ -237,13 +237,16 @@ config("default_include_dirs") {
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# Compiler instrumentation can introduce dependencies in DSOs to symbols in
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# the executable they are loaded into, so they are unresolved at link-time.
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config("no_unresolved_symbols") {
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- if (!using_sanitizer &&
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+ if (!using_sanitizer && !is_bsd &&
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(is_linux || is_chromeos || is_android || is_fuchsia)) {
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ldflags = [
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"-Wl,-z,defs",
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"-Wl,--as-needed",
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]
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}
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+ if (current_cpu == "x86" && is_openbsd) {
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+ ldflags = [ "-Wl,-z,notext" ]
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+ }
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}
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# compiler ---------------------------------------------------------------------
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@@ -289,7 +292,9 @@ config("compiler") {
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configs += [
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# See the definitions below.
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+ ":clang_revision",
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":rustc_revision",
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+ ":compiler_cpu_abi",
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":compiler_codegen",
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":compiler_deterministic",
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]
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@@ -465,6 +470,10 @@ config("compiler") {
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}
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}
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+ if (is_openbsd) {
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+ ldflags += [ "-Wl,-z,wxneeded" ]
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+ }
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+
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# Linux-specific compiler flags setup.
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# ------------------------------------
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if (use_gold) {
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@@ -964,7 +973,7 @@ config("compiler_cpu_abi") {
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]
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}
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} else if (current_cpu == "arm") {
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- if (is_clang && !is_android && !is_nacl &&
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+ if (is_clang && !is_android && !is_nacl && !is_bsd &&
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!(is_chromeos_lacros && is_chromeos_device)) {
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cflags += [ "--target=arm-linux-gnueabihf" ]
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ldflags += [ "--target=arm-linux-gnueabihf" ]
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@@ -979,7 +988,7 @@ config("compiler_cpu_abi") {
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cflags += [ "-mtune=$arm_tune" ]
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}
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} else if (current_cpu == "arm64") {
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- if (is_clang && !is_android && !is_nacl && !is_fuchsia &&
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+ if (is_clang && !is_android && !is_nacl && !is_fuchsia && !is_bsd &&
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!(is_chromeos_lacros && is_chromeos_device)) {
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cflags += [ "--target=aarch64-linux-gnu" ]
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ldflags += [ "--target=aarch64-linux-gnu" ]
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@@ -1325,6 +1334,27 @@ config("compiler_deterministic") {
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}
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}
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+config("clang_revision") {
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+ if (is_clang && !is_bsd && clang_base_path == default_clang_base_path) {
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+ update_args = [
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+ "--print-revision",
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+ "--verify-version=$clang_version",
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+ ]
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+ if (llvm_force_head_revision) {
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+ update_args += [ "--llvm-force-head-revision" ]
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+ }
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+ clang_revision = exec_script("//tools/clang/scripts/update.py",
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+ update_args,
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+ "trim string")
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+
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+ # This is here so that all files get recompiled after a clang roll and
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+ # when turning clang on or off. (defines are passed via the command line,
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+ # and build system rebuild things when their commandline changes). Nothing
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+ # should ever read this define.
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+ defines = [ "CR_CLANG_REVISION=\"$clang_revision\"" ]
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+ }
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+}
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+
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config("rustc_revision") {
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if (rustc_revision != "") {
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# Similar to the above config, this is here so that all files get recompiled
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@@ -1543,7 +1573,7 @@ config("default_warnings") {
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"-Wno-ignored-pragma-optimize",
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]
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- if (!is_nacl) {
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+ if (!is_nacl && !is_bsd) {
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cflags += [
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# TODO(crbug.com/1343975) Evaluate and possibly enable.
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"-Wno-deprecated-builtins",
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@@ -1711,7 +1741,7 @@ config("no_chromium_code") {
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# third-party libraries.
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"-Wno-c++11-narrowing",
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]
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- if (!is_nacl) {
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+ if (!is_nacl && !is_freebsd) {
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cflags += [
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# Disabled for similar reasons as -Wunused-variable.
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"-Wno-unused-but-set-variable",
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@@ -1995,8 +2025,7 @@ config("default_stack_frames") {
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}
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# Default "optimization on" config.
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-config("optimize") { }
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-config("xoptimize") {
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+config("optimize") {
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if (is_win) {
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if (chrome_pgo_phase != 2) {
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# Favor size over speed, /O1 must be before the common flags.
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@@ -2055,8 +2084,7 @@ config("xoptimize") {
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}
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# Turn off optimizations.
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-config("no_optimize") { }
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-config("xno_optimize") {
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+config("no_optimize") {
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if (is_win) {
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cflags = [
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"/Od", # Disable optimization.
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@@ -2096,8 +2124,7 @@ config("xno_optimize") {
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# Turns up the optimization level. On Windows, this implies whole program
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# optimization and link-time code generation which is very expensive and should
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# be used sparingly.
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-config("optimize_max") { }
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-config("xoptimize_max") {
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+config("optimize_max") {
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if (is_nacl && is_nacl_irt) {
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# The NaCl IRT is a special case and always wants its own config.
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# Various components do:
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@@ -2130,8 +2157,7 @@ config("xoptimize_max") {
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#
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# TODO(crbug.com/621335) - rework how all of these configs are related
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# so that we don't need this disclaimer.
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-config("optimize_speed") { }
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-config("xoptimize_speed") {
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+config("optimize_speed") {
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if (is_nacl && is_nacl_irt) {
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# The NaCl IRT is a special case and always wants its own config.
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# Various components do:
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@@ -2157,8 +2183,7 @@ config("xoptimize_speed") {
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}
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}
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-config("optimize_fuzzing") { }
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-config("xoptimize_fuzzing") {
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+config("optimize_fuzzing") {
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cflags = [ "-O1" ] + common_optimize_on_cflags
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rustflags = [ "-Copt-level=1" ]
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ldflags = common_optimize_on_ldflags
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@@ -2224,7 +2249,7 @@ config("afdo_optimize_size") {
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# There are some targeted places that AFDO regresses, so we provide a separate
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# config to allow AFDO to be disabled per-target.
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config("afdo") {
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- if (is_clang) {
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+ if (is_clang && !is_bsd) {
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cflags = []
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if (clang_emit_debug_info_for_profiling) {
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# Add the following flags to generate debug info for profiling.
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@@ -2243,7 +2268,7 @@ config("afdo") {
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}
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inputs = [ _clang_sample_profile ]
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}
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- } else if (auto_profile_path != "" && is_a_target_toolchain) {
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+ } else if (auto_profile_path != "" && is_a_target_toolchain && !is_bsd) {
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cflags = [ "-fauto-profile=${auto_profile_path}" ]
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inputs = [ auto_profile_path ]
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}
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@@ -2281,8 +2306,7 @@ config("win_pdbaltpath") {
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}
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# Full symbols.
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-config("symbols") { }
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-config("xsymbols") {
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+config("symbols") {
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if (is_win) {
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if (is_clang) {
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cflags = [
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@@ -2399,7 +2423,8 @@ config("xsymbols") {
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configs += [ "//build/config:compress_debug_sections" ]
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}
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- if (is_clang && (!is_nacl || is_nacl_saigo) && current_os != "zos") {
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+ if (is_clang && (!is_nacl || is_nacl_saigo) && current_os != "zos" &&
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+ !is_bsd) {
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if (is_apple) {
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# TODO(https://crbug.com/1050118): Investigate missing debug info on mac.
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# Make sure we don't use constructor homing on mac.
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@@ -2422,8 +2447,7 @@ config("xsymbols") {
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# Minimal symbols.
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# This config guarantees to hold symbol for stack trace which are shown to user
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# when crash happens in unittests running on buildbot.
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-config("minimal_symbols") { }
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-config("xminimal_symbols") {
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+config("minimal_symbols") {
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if (is_win) {
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# Functions, files, and line tables only.
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cflags = []
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@@ -2497,8 +2521,7 @@ config("xminimal_symbols") {
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# This configuration contains function names only. That is, the compiler is
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# told to not generate debug information and the linker then just puts function
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# names in the final debug information.
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-config("no_symbols") { }
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-config("xno_symbols") {
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+config("no_symbols") {
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if (is_win) {
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ldflags = [ "/DEBUG" ]
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