diff --git a/config/Makefile.linux b/config/Makefile.linux
index 4bc9a53..234adc6 100644
--- a/config/Makefile.linux
+++ b/config/Makefile.linux
@@ -2,12 +2,19 @@ NAME = $(GLEW_NAME)
 CC = cc
 LD = cc
 M_ARCH ?= $(shell uname -m)
+ARCH64 = false
 ifeq (x86_64,${M_ARCH})
-LDFLAGS.EXTRA = -L/usr/X11R6/lib64 -L/usr/lib64
-LIBDIR = $(GLEW_DEST)/lib64
+  ARCH64 = true
+endif
+ifeq (ppc64,${M_ARCH})
+  ARCH64 = true
+endif
+ifeq (${ARCH64},true)
+  LDFLAGS.EXTRA = -L/usr/X11R6/lib64 -L/usr/lib64
+  LIBDIR = $(GLEW_DEST)/lib64
 else
-LDFLAGS.EXTRA = -L/usr/X11R6/lib -L/usr/lib
-LIBDIR = $(GLEW_DEST)/lib
+  LDFLAGS.EXTRA = -L/usr/X11R6/lib -L/usr/lib
+  LIBDIR = $(GLEW_DEST)/lib
 endif
 LDFLAGS.GL = -lXmu -lXi -lGL -lXext -lX11
 LDFLAGS.STATIC = -Wl,-Bstatic