-# Don't really put anything in libgcc1.
-LIBGCC1 = libgcc1.null
+# Dir to search for system headers. Normally /usr/include.
+# Use CROSS_INCLUDE_DIR not TOOL_INCLUDE_DIR for other vendor's headers.
+SYSTEM_HEADER_DIR = $(CROSS_SYSTEM_HEADER_DIR)
-# Specify tools and options for manipulating libraries for the target machine.
-AR = $(AR_FOR_TARGET)
-AR_FLAGS = $(AR_FOR_TARGET_FLAGS)
-OLDAR = $(AR_FOR_TARGET)
-OLDAR_FLAGS = $(AR_FOR_TARGET_FLAGS)
-RANLIB = $(RANLIB_FOR_TARGET)
-RANLIB_TEST = $(RANLIB_TEST_FOR_TARGET)
-
-# Cause installation of the cross-compilation tools
-# before we try to build libgcc.a.
-CROSS_TOOLS = install-cross-tools
-
-# Cause installation using install-cross.
-INSTALL_TARGET = install-cross
+# Don't try to compile the things we can't compile.
+ALL = all.cross