Add DRI_LIB_DEPS for the DRI drivers to link against.  Remove expat from the
link list for libGL itself under DRI configurations, since the XML parsing
code is in the drivers themselves.
diff --git a/configs/linux-solo b/configs/linux-solo
index a2c9dc0..bb8cb6a 100644
--- a/configs/linux-solo
+++ b/configs/linux-solo
@@ -18,7 +18,8 @@
 ASM_SOURCES = $(X86_SOURCES)
 
 # Library/program dependencies
-GL_LIB_DEPS = -lm -lpthread -lexpat -ldl
+DRI_LIB_DEPS = -lm -lpthread -lexpat -ldl
+GL_LIB_DEPS = -lm -lpthread -ldl
 GLU_LIB_DEPS = -L$(LIB_DIR) -l$(GL_LIB) -lm
 GLUT_LIB_DEPS = -L$(LIB_DIR) -l$(GLU_LIB) -l$(GL_LIB) -lm
 APP_LIB_DEPS = -L$(LIB_DIR) -l$(GLUT_LIB) -l$(GLU_LIB) -l$(GL_LIB) -lm -lpthread