Update autoconf test for gcc to require 4.7 and up
ClosedPublic

Authored by trommler on Nov 6 2017, 1:29 PM.

Details

Summary

Fixing Trac #14244 required the newer gcc atomic built-ins that are
provided from 4.7 and up. This updates the test to check for
minimum gcc version 4.7.

The version tests for 3.4 (!), 4.4, and 4.6 are no longer needed
and can be removed. This makes the build system simpler.

Test Plan

validate

Diff Detail

Repository
rGHC Glasgow Haskell Compiler
Lint
Automatic diff as part of commit; lint not applicable.
Unit
Automatic diff as part of commit; unit tests not applicable.
trommler created this revision.Nov 6 2017, 1:29 PM
bgamari accepted this revision.Nov 6 2017, 1:33 PM

Yay! Thanks @trommler.

This revision is now accepted and ready to land.Nov 6 2017, 1:33 PM
This revision was automatically updated to reflect the committed changes.