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Update BUILD.gn
This commit is contained in:
Alexander David Frick
GitHub
parent
b893b01e23
commit
2df672cf2a
1 changed files with 79 additions and 39 deletions
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@ -552,8 +552,8 @@ config("compiler") {
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}
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# TODO(crbug.com/1235145): Investigate why/if this should be needed.
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if (is_android) {
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cflags += [ "-ffp-contract=off" ]
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if (is_win) {
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cflags += [ "/clang:-ffp-contract=off" ]
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}
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# TODO(crbug.com/1290191): Some ios tests fail without this.
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@ -564,6 +564,12 @@ config("compiler") {
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]
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}
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}
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# Rust compiler setup (for either clang or rustc).
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if (enable_rust) {
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defines += [ "RUST_ENABLED" ]
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}
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# C11/C++11 compiler flags setup.
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# ---------------------------
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@ -790,9 +796,7 @@ config("compiler") {
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# This flag enforces that member pointer base types are complete. It helps
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# prevent us from running into problems in the Microsoft C++ ABI (see
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# https://crbug.com/847724).
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# TODO(crbug/1052397): Remove is_chromeos_lacros once lacros-chrome switches
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# to target_os="chromeos".
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if (is_clang && !is_nacl && target_os != "chromeos" && !is_chromeos_lacros &&
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if (is_clang && !is_nacl && target_os != "chromeos" &&
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(is_win || use_custom_libcxx)) {
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cflags += [ "-fcomplete-member-pointers" ]
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}
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@ -1922,25 +1926,11 @@ config("no_incompatible_pointer_warnings") {
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# Shared settings for both "optimize" and "optimize_max" configs.
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# IMPORTANT: On Windows "/O1" and "/O2" must go before the common flags.
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if (is_win) {
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common_optimize_on_cflags += [
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"/Ob2", # Both explicit and auto inlining.
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"/Oy-", # Disable omitting frame pointers, must be after /O2.
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"/Zc:inline", # Remove unreferenced COMDAT (faster links).
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]
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common_optimize_on_ldflags += [ "-mavx", "-maes", ]
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if (!is_asan) {
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common_optimize_on_cflags += [
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# Put data in separate COMDATs. This allows the linker
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# to put bit-identical constants at the same address even if
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# they're unrelated constants, which saves binary size.
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# This optimization can't be used when ASan is enabled because
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# it is not compatible with the ASan ODR checker.
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"/Gw",
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]
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}
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common_optimize_on_cflags = [
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common_optimize_on_cflags = []
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common_optimize_on_ldflags = []
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common_optimize_on_cflags += [
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"-mllvm", "-extra-vectorizer-passes",
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"-mllvm", "-enable-cond-stores-vec",
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"-mllvm", "-slp-vectorize-hor-store",
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@ -1953,7 +1943,7 @@ if (is_win) {
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"-mllvm", "-aggressive-ext-opt",
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]
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common_optimize_on_ldflags = [
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common_optimize_on_ldflags += [
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"-mllvm:-extra-vectorizer-passes",
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"-mllvm:-enable-cond-stores-vec",
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"-mllvm:-slp-vectorize-hor-store",
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@ -1966,20 +1956,27 @@ if (is_win) {
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"-mllvm:-aggressive-ext-opt",
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]
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# /OPT:ICF is not desirable in Debug builds, since code-folding can result in
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# misleading symbols in stack traces.
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if (!is_debug && !is_component_build) {
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common_optimize_on_ldflags += [ "/OPT:ICF" ] # Redundant COMDAT folding.
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if (is_win) {
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common_optimize_on_cflags += [
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"/Ob2", # Both explicit and auto inlining.
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"/Oy-", # Disable omitting frame pointers, must be after /O2.
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"/Zc:inline", # Remove unreferenced COMDAT (faster links).
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]
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common_optimize_on_ldflags += []
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if (!is_asan) {
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common_optimize_on_cflags += [
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# Put data in separate COMDATs. This allows the linker
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# to put bit-identical constants at the same address even if
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# they're unrelated constants, which saves binary size.
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# This optimization can't be used when ASan is enabled because
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# it is not compatible with the ASan ODR checker.
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"/Gw",
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]
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}
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common_optimize_on_cflags = []
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common_optimize_on_ldflags = []
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if (is_official_build) {
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common_optimize_on_ldflags += [ "/OPT:REF" ] # Remove unreferenced data.
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# TODO(thakis): Add LTO/PGO clang flags eventually, https://crbug.com/598772
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common_optimize_on_cflags += []
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}
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} else {
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common_optimize_on_cflags = [
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common_optimize_on_cflags += [
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"-mllvm", "-extra-vectorizer-passes",
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"-mllvm", "-enable-cond-stores-vec",
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"-mllvm", "-slp-vectorize-hor-store",
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@ -1992,7 +1989,50 @@ if (is_win) {
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"-mllvm", "-aggressive-ext-opt",
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]
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common_optimize_on_ldflags = [
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common_optimize_on_ldflags += [
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"-mllvm:-extra-vectorizer-passes",
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"-mllvm:-enable-cond-stores-vec",
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"-mllvm:-slp-vectorize-hor-store",
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"-mllvm:-enable-loopinterchange",
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"-mllvm:-enable-loop-distribute",
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"-mllvm:-enable-unroll-and-jam",
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"-mllvm:-enable-loop-flatten",
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"-mllvm:-interleave-small-loop-scalar-reduction",
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"-mllvm:-unroll-runtime-multi-exit",
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"-mllvm:-aggressive-ext-opt",
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]
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# /OPT:ICF is not desirable in Debug builds, since code-folding can result in
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# misleading symbols in stack traces.
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if (!is_debug && !is_component_build) {
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common_optimize_on_ldflags += [ "/OPT:ICF" ] # Redundant COMDAT folding.
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}
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if (is_official_build) {
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common_optimize_on_ldflags += [ "/OPT:REF" ] # Remove unreferenced data.
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# TODO(thakis): Add LTO/PGO clang flags eventually, https://crbug.com/598772
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common_optimize_on_cflags += []
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}
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} else {
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common_optimize_on_cflags = []
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common_optimize_on_ldflags = []
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common_optimize_on_cflags += [
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"-mllvm", "-extra-vectorizer-passes",
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"-mllvm", "-enable-cond-stores-vec",
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"-mllvm", "-slp-vectorize-hor-store",
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"-mllvm", "-enable-loopinterchange",
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"-mllvm", "-enable-loop-distribute",
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"-mllvm", "-enable-unroll-and-jam",
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"-mllvm", "-enable-loop-flatten",
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"-mllvm", "-interleave-small-loop-scalar-reduction",
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"-mllvm", "-unroll-runtime-multi-exit",
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"-mllvm", "-aggressive-ext-opt",
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]
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common_optimize_on_ldflags += [
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"-Wl,-mllvm,-extra-vectorizer-passes",
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"-Wl,-mllvm,-enable-cond-stores-vec",
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"-Wl,-mllvm,-slp-vectorize-hor-store",
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@ -2172,7 +2212,7 @@ config("optimize_max") {
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if (is_win) {
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# Favor speed over size, /O2 must be before the common flags.
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# /O2 implies /Ot, /Oi, and /GF.
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cflags = [ "-Xclang", "-O3" ] + common_optimize_on_cflags
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cflags = [ "-Xclang", "-O3", ] + common_optimize_on_cflags
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} else if (optimize_for_fuzzing) {
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cflags = [ "-O1" ] + common_optimize_on_cflags
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} else {
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@ -2205,7 +2245,7 @@ config("optimize_speed") {
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if (is_win) {
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# Favor speed over size, /O2 must be before the common flags.
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# /O2 implies /Ot, /Oi, and /GF.
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cflags = [ "-Xclang", "-O3" ] + common_optimize_on_cflags
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cflags = [ "-Xclang", "-O3", ] + common_optimize_on_cflags
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} else if (optimize_for_fuzzing) {
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cflags = [ "-O1" ] + common_optimize_on_cflags
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} else {
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