Add a BeOS build config.
diff --git a/configs/beos b/configs/beos
new file mode 100644
index 0000000..183ba25
--- /dev/null
+++ b/configs/beos
@@ -0,0 +1,100 @@
+# Configuration for BeOS
+# Written by Philippe Houdoin
+
+include $(TOP)/configs/default
+
+CONFIG_NAME = beos
+
+
+DEFINES = \
+ -DBEOS_THREADS
+
+MACHINE=$(shell uname -m)
+ifeq ($(MACHINE), BePC)
+ CPU = x86
+else
+ CPU = ppc
+endif
+
+ifeq ($(CPU), x86)
+ # BeOS x86 settings
+
+ DEFINES += \
+ -DGNU_ASSEMBLER \
+ -DUSE_X86_ASM \
+ -DUSE_MMX_ASM \
+ -DUSE_3DNOW_ASM \
+ -DUSE_SSE_ASM
+
+ ASM_SOURCES = $(X86_SOURCES) $(X86_API)
+
+ CC = gcc
+ CXX = g++
+ LD = gcc
+
+ CFLAGS = \
+ -Wall -Wno-multichar -Wno-ctor-dtor-privacy \
+ $(DEFINES)
+
+ CXXFLAGS = $(CFLAGS)
+
+ LDFLAGS += -Xlinker
+
+ ifdef DEBUG
+ CFLAGS += -g -O0
+ CXXFLAGS += -g -O0
+ LDFLAGS += -g
+ else
+ CFLAGS += -O2
+ CXXFLAGS += -O2
+ endif
+
+ GLUT_CFLAGS = -fexceptions
+
+else
+ # BeOS PPC settings
+
+ CC = mwcc
+ CXX = $(CC)
+ LD = mwldppc
+
+ CFLAGS = \
+ -w on -requireprotos \
+ $(DEFINES)
+
+ CXXFLAGS = $(CFLAGS)
+
+ LDFLAGS += \
+ -export pragma \
+ -init _init_routine_ \
+ -term _term_routine_ \
+ -lroot \
+ /boot/develop/lib/ppc/glue-noinit.a \
+ /boot/develop/lib/ppc/init_term_dyn.o \
+ /boot/develop/lib/ppc/start_dyn.o
+
+ ifdef DEBUG
+ CFLAGS += -g -O0
+ CXXFLAGS += -g -O0
+ LDFLAGS += -g
+ else
+ CFLAGS += -O7
+ CXXFLAGS += -O7
+ endif
+
+ GLUT_CFLAGS = -fexceptions
+endif
+
+# Directories
+SRC_DIRS = mesa glut/beos
+GLU_DIRS = # sgi
+DRIVER_DIRS = beos
+PROGRAM_DIRS = beos samples redbook tests demos
+
+# Library/program dependencies
+GL_LIB_DEPS =
+OSMESA_LIB_DEPS = -L$(LIB_DIR) -lGL
+GLU_LIB_DEPS =
+GLUT_LIB_DEPS = -lgame -L$(LIB_DIR) -lGL
+APP_LIB_DEPS = -lbe -L$(LIB_DIR) -lGL -lglut
+