Linux: Properly detect __GLIBCXX__ in atomicops.h

BUG=449754

Review URL: https://codereview.chromium.org/847003004

Cr-Commit-Position: refs/heads/master@{#312309}


CrOS-Libchrome-Original-Commit: 2935666ed30c24a22c409351923d40c3586d2d3b
1 file changed
tree: 1eab7226a8ab34a0d0eb535e2690dfff9efb4daa
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/