1diff --git a/build/toolchain/linux/unbundle/BUILD.gn b/build/toolchain/linux/unbundle/BUILD.gn
2index a091491236bb1..d36fd4e652fbf 100644
3--- a/build/toolchain/linux/unbundle/BUILD.gn
4+++ b/build/toolchain/linux/unbundle/BUILD.gn
5@@ -9,6 +9,7 @@ gcc_toolchain("default") {
6 cxx = getenv("CXX")
7 ar = getenv("AR")
8 nm = getenv("NM")
9+ readelf = getenv("READELF")
10 ld = cxx
11
12 extra_cflags = getenv("CFLAGS")
13@@ -27,6 +28,7 @@ gcc_toolchain("host") {
14 cxx = getenv("BUILD_CXX")
15 ar = getenv("BUILD_AR")
16 nm = getenv("BUILD_NM")
17+ readelf = getenv("BUILD_READELF")
18 ld = cxx
19
20 extra_cflags = getenv("BUILD_CFLAGS")
21@@ -35,7 +37,8 @@ gcc_toolchain("host") {
22 extra_ldflags = getenv("BUILD_LDFLAGS")
23
24 toolchain_args = {
25- current_cpu = current_cpu
26- current_os = current_os
27+ current_cpu = host_cpu
28+ current_os = host_os
29+ v8_current_cpu = target_cpu
30 }
31 }