# Makefile configuration, without explicit rules
#
+# CROSS is the prefix used for system tools like gcc, ld etc.
+CROSS =
+
+# KCROSS is the prefix we use for klibc installations. This is usually
+# the same as CROSS, but may be different, e.g. to install an i386
+# cross-compilation suite on an x86-64 system, using the same gcc/binutils.
+KCROSS ?= $(CROSS)
+
# Location for installation
prefix = /usr
bindir = $(prefix)/bin
KRNLOBJ = $(SRCROOT)/linux
ARCH = $(shell uname -m | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ -e s/arm.*/arm/ -e s/sa110/arm/)
-CROSS =
CC = $(CROSS)gcc
LD = $(CROSS)ld
KLIBSRC = $(SRCROOT)/klibc
# Static library paths
CRT0 = $(KLIBOBJ)/crt0.o
KLIBC = $(KLIBOBJ)/libc.a
-LIBGCC = $(shell $(CC) --print-libgcc)
+LIBGCC = $(shell $(CC) $(REQFLAGS) $(OPTFLAGS) --print-libgcc)
# Shared library paths
CRTSHARED = $(KLIBOBJ)/interp.o