Improve backtracing-related configuration.

Clean up configuration for backtracing when profiling is enabled, and
document the configuration logic in INSTALL.

Disable libgcc-based backtracing except on x64 (where it is known to
work).

Add the --disable-prof-gcc option.
4 files changed
tree: a26c786f284864d3bf0080a4d3ec16fe8bb18a50
  1. jemalloc/
  2. .gitignore