[GRASS-git] [OSGeo/grass] ac07d4: Use ${CC} instead of "cc" for linking on macOS (#611)

[nilason]

  Branch: refs/heads/master
  Home:   https://github.com/OSGeo/grass
  Commit: ac07d4df228f52bb11264b92082ee1bdf444a86e
      https://github.com/OSGeo/grass/commit/ac07d4df228f52bb11264b92082ee1bdf444a86e
  Author: nilason <n_larsson at yahoo.com>
  Date:   2020-05-12 (Tue, 12 May 2020)

  Changed paths:
    M aclocal.m4
    M configure

  Log Message:
  -----------
  Use ${CC} instead of "cc" for linking on macOS (#611)

Replaces a hardcoded cc by a configured ${CC} in SHLIB_LD. Fixes #609.