Massive refactor of (most of) the Linux config files. This reduces

the length of each config and brings a lot of much needed uniformity
to them.

configs/linux-x86

@@ -1,42 +1,8 @@
 # Configuration for Linux with x86 optimizations
 
-include $(TOP)/configs/default
+include $(TOP)/configs/linux
 
 CONFIG_NAME = linux-x86
 
-# Compiler and flags
-CC = gcc
-CXX = g++
-
-WARN_FLAGS = -Wall
-OPT_FLAGS  = -O3 -g
-PIC_FLAGS  = -fPIC
-
-# Add '-DGLX_USE_TLS' to ARCH_FLAGS to enable TLS support.  Add -m32
-# to build properly on 64-bit platforms.
-
-ARCH_FLAGS ?=
-
-DEFINES = -D_POSIX_SOURCE -D_POSIX_C_SOURCE=199309L -D_SVID_SOURCE \
-	-D_BSD_SOURCE -D_GNU_SOURCE -DPTHREADS -DUSE_XSHM
-
-X11_INCLUDES = -I/usr/X11R6/include
-
-CFLAGS   = $(WARN_FLAGS) $(OPT_FLAGS) $(PIC_FLAGS) $(ARCH_FLAGS) $(DEFINES) \
-	$(ASM_FLAGS) $(X11_INCLUDES) -std=c99 -ffast-math 
-
-CXXFLAGS = $(WARN_FLAGS) $(OPT_FLAGS) $(PIC_FLAGS) $(ARCH_FLAGS) $(DEFINES) \
-	$(X11_INCLUDES) 
-
-GLUT_CFLAGS = -fexceptions
-
 ASM_FLAGS = -DUSE_X86_ASM -DUSE_MMX_ASM -DUSE_3DNOW_ASM -DUSE_SSE_ASM
 ASM_SOURCES = $(X86_SOURCES) $(X86_API)
-
-# Library/program dependencies
-EXTRA_LIB_PATH=-L/usr/X11R6/lib
-
-GL_LIB_DEPS = $(EXTRA_LIB_PATH) -lX11 -lXext -lm -lpthread
-GLUT_LIB_DEPS = -L$(LIB_DIR) -l$(GLU_LIB) -l$(GL_LIB) $(EXTRA_LIB_PATH) -lX11 -lXmu -lXt -lXi -lm
-GLW_LIB_DEPS = -L$(LIB_DIR) -l$(GL_LIB) $(EXTRA_LIB_PATH) -lXt -lX11
-APP_LIB_DEPS = -L$(LIB_DIR) -l$(GLUT_LIB) -l$(GLU_LIB) -l$(GL_LIB) -lm