don't use glibc-specific execinfo.h on uclibc builds

The execinfo.h header is glibc-specific, as is the backtrace function.
Let's skip them for uclibc builds.

BUG=361130

Review URL: https://codereview.chromium.org/228753003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@262841 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: 816e5045cb62f85fda59ab7b154d89b0635bad12
3 files changed
tree: 4168220fd5f4a84f5d3abc1fd6c22cdf6a095214
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/