diff --git bazel/glog.bzl bazel/glog.bzl
index 4c11f12..2510ecc 100644
--- bazel/glog.bzl
+++ bazel/glog.bzl
@@ -17,7 +17,6 @@ def glog_library(namespace = "google", with_gflags = 1, **kwargs):
         "-DGLOG_BAZEL_BUILD",
         "-DHAVE_STDINT_H",
         "-DHAVE_STRING_H",
-        "-DHAVE_UNWIND_H",
     ] + (["-DHAVE_LIB_GFLAGS"] if with_gflags else [])
 
     linux_or_darwin_copts = [
@@ -37,6 +36,8 @@ def glog_library(namespace = "google", with_gflags = 1, **kwargs):
         "-DHAVE_SYS_TIME_H",
         # Enable dumping stacktrace upon sigaction.
         "-DHAVE_SIGACTION",
+        "-DHAVE_EXECINFO_H",
+        "-DHAVE_SYMBOLIZE",
         # For logging.cc.
         "-DHAVE_PREAD",
         "-DHAVE___ATTRIBUTE__",
--