ggreer/the_silver_searcher — pull request #411 by k-takata (2014-05-22 11:24:23+00:00)
Title: use $(CC) instead of gcc

MinGW has various gcc aliases:
mingw32-gcc, i686-pc-mingw32-gcc, i686-w64-mingw32-gcc, x86_64-w64-mingw32-gcc, etc.
This change enables to use them.