Don't worry, just use GCC and everything's gonna be alright.

--- mpc123-0.2.4/Makefile	2008-03-21 22:14:38.000000000 +0100
+++ mpc123-0.2.4/Makefile	2010-01-28 23:26:49.000000000 +0100
@@ -17,7 +17,7 @@
 # along with this program; if not, write to the Free Software Foundation,
 # Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
-CC := $(shell which colorgcc || which cc)
+CC := gcc
 
 TAGSPRG := ctags