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[build] Don't include sanitizer AOT runtimes for musl-libc #62151

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ntkme wants to merge 3 commits into from
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[build] Don't include sanitizer AOT runtimes for musl-libc #62151

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cdd2c25
[build] Don't include sanitizer AOT runtimes for musl-libc
ntkme Dec 2, 2025
6cce5a0
[build] Don't import sysroot.gni for Flutter
ntkme Dec 3, 2025
e378e31
[build] Don't include sysroot for flutter
ntkme Dec 3, 2025
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13 changes: 10 additions & 3 deletions sdk/BUILD.gn
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,12 @@ import("../build/executable_suffix.gni")
import("../sdk_args.gni")
import("../utils/application_snapshot.gni")

# If we're are embedded in another GN buildroot, such as Flutter, the sysroot
# might already be imported from elsewhere.
if (get_path_info(".", "abspath") == "//sdk/") {
import("../build/config/sysroot.gni")
}

declare_args() {
# Build a SDK with less stuff. It excludes dart2js, ddc, and web libraries.
dart_platform_sdk = true
Expand Down Expand Up @@ -379,10 +385,11 @@ copy_sanitizer_deps = []
# If the default toolchain is already using a sanitizer, the sanitizer variant
# toolchains will try to use multiple sanitizers at the same time, which
# doesn't work. If we're not on Linux, the sanitizers are not statically linked
# and not useable outside our tree. If we're are embedded in another GN
# buildroot, such as Flutter, the sanitizer variant toolchains might not be
# defined.
# and not useable outside our tree. If we're on Linux with musl-libc, the
# sanitizers don't work. If we're are embedded in another GN buildroot, such as
# Flutter, the sanitizer variant toolchains might not be defined.
if (!using_sanitizer && current_os == "linux" &&
!(defined(dart_sysroot) && dart_sysroot == "alpine") &&
get_path_info(".", "abspath") == "//sdk/") {
sanitizers = []
if (current_cpu == "x64" || current_cpu == "arm64") {
Expand Down