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|
--- build/config/compiler/BUILD.gn.orig 2023-08-28 20:17:35 UTC
+++ build/config/compiler/BUILD.gn
@@ -249,13 +249,16 @@ config("default_include_dirs") {
# Compiler instrumentation can introduce dependencies in DSOs to symbols in
# the executable they are loaded into, so they are unresolved at link-time.
config("no_unresolved_symbols") {
- if (!using_sanitizer &&
+ if (!using_sanitizer && !is_bsd &&
(is_linux || is_chromeos || is_android || is_fuchsia)) {
ldflags = [
"-Wl,-z,defs",
"-Wl,--as-needed",
]
}
+ if (current_cpu == "x86" && is_openbsd) {
+ ldflags = [ "-Wl,-z,notext" ]
+ }
}
# compiler ---------------------------------------------------------------------
@@ -303,7 +306,9 @@ config("compiler") {
configs += [
# See the definitions below.
+ ":clang_revision",
":rustc_revision",
+ ":compiler_cpu_abi",
":compiler_codegen",
":compiler_deterministic",
]
@@ -498,6 +503,10 @@ config("compiler") {
}
}
+ if (is_openbsd) {
+ ldflags += [ "-Wl,-z,wxneeded" ]
+ }
+
# Linux-specific compiler flags setup.
# ------------------------------------
if (use_gold) {
@@ -825,7 +834,7 @@ config("compiler") {
# * Apple platforms (e.g. MacOS, iPhone, iPad) aren't supported because xcode
# lldb doesn't have the needed changes yet.
# TODO(crbug.com/1379070): Remove if the upstream default ever changes.
- if (is_clang && !is_nacl && !is_win && !is_apple) {
+ if (is_clang && !is_nacl && !is_win && !is_apple && !is_bsd) {
cflags_cc += [ "-gsimple-template-names" ]
}
@@ -1067,7 +1076,7 @@ config("compiler_cpu_abi") {
]
}
} else if (current_cpu == "arm") {
- if (is_clang && !is_android && !is_nacl &&
+ if (is_clang && !is_android && !is_nacl && !is_bsd &&
!(is_chromeos_lacros && is_chromeos_device)) {
cflags += [ "--target=arm-linux-gnueabihf" ]
ldflags += [ "--target=arm-linux-gnueabihf" ]
@@ -1082,7 +1091,7 @@ config("compiler_cpu_abi") {
cflags += [ "-mtune=$arm_tune" ]
}
} else if (current_cpu == "arm64") {
- if (is_clang && !is_android && !is_nacl && !is_fuchsia &&
+ if (is_clang && !is_android && !is_nacl && !is_fuchsia && !is_bsd &&
!(is_chromeos_lacros && is_chromeos_device)) {
cflags += [ "--target=aarch64-linux-gnu" ]
ldflags += [ "--target=aarch64-linux-gnu" ]
@@ -1428,6 +1437,27 @@ config("compiler_deterministic") {
}
}
+config("clang_revision") {
+ if (is_clang && !is_bsd && clang_base_path == default_clang_base_path) {
+ update_args = [
+ "--print-revision",
+ "--verify-version=$clang_version",
+ ]
+ if (llvm_force_head_revision) {
+ update_args += [ "--llvm-force-head-revision" ]
+ }
+ clang_revision = exec_script("//tools/clang/scripts/update.py",
+ update_args,
+ "trim string")
+
+ # This is here so that all files get recompiled after a clang roll and
+ # when turning clang on or off. (defines are passed via the command line,
+ # and build system rebuild things when their commandline changes). Nothing
+ # should ever read this define.
+ defines = [ "CR_CLANG_REVISION=\"$clang_revision\"" ]
+ }
+}
+
config("rustc_revision") {
if (rustc_revision != "") {
# Similar to the above config, this is here so that all files get recompiled
@@ -1656,7 +1686,7 @@ config("default_warnings") {
"-Wno-ignored-pragma-optimize",
]
- if (!is_nacl) {
+ if (!is_nacl && !is_bsd) {
cflags += [
# TODO(crbug.com/1343975) Evaluate and possibly enable.
"-Wno-deprecated-builtins",
@@ -1845,7 +1875,7 @@ config("no_chromium_code") {
# third-party libraries.
"-Wno-c++11-narrowing",
]
- if (!is_nacl) {
+ if (!is_nacl && !is_freebsd) {
cflags += [
# Disabled for similar reasons as -Wunused-variable.
"-Wno-unused-but-set-variable",
@@ -2129,8 +2159,7 @@ config("default_stack_frames") {
}
# Default "optimization on" config.
-config("optimize") { }
-config("xoptimize") {
+config("optimize") {
if (is_win) {
if (chrome_pgo_phase != 2) {
# Favor size over speed, /O1 must be before the common flags.
@@ -2189,8 +2218,7 @@ config("xoptimize") {
}
# Turn off optimizations.
-config("no_optimize") { }
-config("xno_optimize") {
+config("no_optimize") {
if (is_win) {
cflags = [
"/Od", # Disable optimization.
@@ -2230,8 +2258,7 @@ config("xno_optimize") {
# Turns up the optimization level. On Windows, this implies whole program
# optimization and link-time code generation which is very expensive and should
# be used sparingly.
-config("optimize_max") { }
-config("xoptimize_max") {
+config("optimize_max") {
if (is_nacl && is_nacl_irt) {
# The NaCl IRT is a special case and always wants its own config.
# Various components do:
@@ -2264,8 +2291,7 @@ config("xoptimize_max") {
#
# TODO(crbug.com/621335) - rework how all of these configs are related
# so that we don't need this disclaimer.
-config("optimize_speed") { }
-config("xoptimize_speed") {
+config("optimize_speed") {
if (is_nacl && is_nacl_irt) {
# The NaCl IRT is a special case and always wants its own config.
# Various components do:
@@ -2291,8 +2317,7 @@ config("xoptimize_speed") {
}
}
-config("optimize_fuzzing") { }
-config("xoptimize_fuzzing") {
+config("optimize_fuzzing") {
cflags = [ "-O1" ] + common_optimize_on_cflags
rustflags = [ "-Copt-level=1" ]
ldflags = common_optimize_on_ldflags
@@ -2360,7 +2385,7 @@ config("afdo_optimize_size") {
# There are some targeted places that AFDO regresses, so we provide a separate
# config to allow AFDO to be disabled per-target.
config("afdo") {
- if (is_clang) {
+ if (is_clang && !is_bsd) {
cflags = []
if (clang_emit_debug_info_for_profiling) {
# Add the following flags to generate debug info for profiling.
@@ -2379,7 +2404,7 @@ config("afdo") {
}
inputs = [ _clang_sample_profile ]
}
- } else if (auto_profile_path != "" && is_a_target_toolchain) {
+ } else if (auto_profile_path != "" && is_a_target_toolchain && !is_bsd) {
cflags = [ "-fauto-profile=${auto_profile_path}" ]
inputs = [ auto_profile_path ]
}
@@ -2417,8 +2442,7 @@ config("win_pdbaltpath") {
}
# Full symbols.
-config("symbols") { }
-config("xsymbols") {
+config("symbols") {
rustflags = []
if (is_win) {
if (is_clang) {
@@ -2538,7 +2562,8 @@ config("xsymbols") {
configs += [ "//build/config:compress_debug_sections" ]
}
- if (is_clang && (!is_nacl || is_nacl_saigo) && current_os != "zos") {
+ if (is_clang && (!is_nacl || is_nacl_saigo) && current_os != "zos" &&
+ !is_bsd) {
if (is_apple) {
# TODO(https://crbug.com/1050118): Investigate missing debug info on mac.
# Make sure we don't use constructor homing on mac.
@@ -2561,8 +2586,7 @@ config("xsymbols") {
# Minimal symbols.
# This config guarantees to hold symbol for stack trace which are shown to user
# when crash happens in unittests running on buildbot.
-config("minimal_symbols") { }
-config("xminimal_symbols") {
+config("minimal_symbols") {
rustflags = []
if (is_win) {
# Functions, files, and line tables only.
@@ -2647,8 +2671,7 @@ config("xminimal_symbols") {
# This configuration contains function names only. That is, the compiler is
# told to not generate debug information and the linker then just puts function
# names in the final debug information.
-config("no_symbols") { }
-config("xno_symbols") {
+config("no_symbols") {
if (is_win) {
ldflags = [ "/DEBUG" ]
|
