# Copyright (c) 1998 Cygnus Support
#
# The authors hereby grant permission to use, copy, modify, distribute,
# and license this software and its documentation for any purpose, provided
# that existing copyright notices are retained in all copies and that this
# notice is included verbatim in any distributions. No written agreement,
# license, or royalty fee is required for any of the authorized uses.
# Modifications to this software may be copyrighted by their authors
# and need not follow the licensing terms described here, provided that
# the new terms are clearly indicated on the first page of each file where
# they apply.

VPATH = @srcdir@
srcdir = @srcdir@
objdir = .
srcroot = $(srcdir)/../..
objroot = $(objdir)/../..

prefix = @prefix@
exec_prefix = @exec_prefix@

host_alias = @host_alias@
target_alias = @target_alias@
program_transform_name = @program_transform_name@

bindir = @bindir@
libdir = @libdir@
tooldir = $(exec_prefix)/$(target_alias)

# Multilib support variables.
# TOP is used instead of MULTI{BUILD,SRC}TOP.
MULTIDIRS =
MULTISUBDIR =
MULTIDO = true
MULTICLEAN = true

INSTALL = @INSTALL@
INSTALL_PROGRAM = @INSTALL_PROGRAM@
INSTALL_DATA = @INSTALL_DATA@

SHELL =	/bin/sh

CC = @CC@

AS = @AS@

AR = @AR@

LD = @LD@

RANLIB = @RANLIB@

OBJDUMP = `t='$(program_transform_name)'; echo objdump | sed -e $$t`
OBJCOPY = `t='$(program_transform_name)'; echo objcopy | sed -e $$t`

# object files needed
OBJS = syscalls.o init.o exit.o sbrk.o

# Object files specific to particular targets.
EVALOBJS = ${OBJS}

GCC_LDFLAGS = `if [ -d ${objroot}/../gcc ] ; \
	then echo -L${objroot}/../gcc ; fi`

OUTPUTS = libgloss.a crt0.o

NEWLIB_CFLAGS = `if [ -d ${objroot}/newlib ]; then echo -I${objroot}/newlib/targ-include -I${srcroot}/newlib/libc/include; fi`
NEWLIB_LDFLAGS = `if [ -d ${objroot}/newlib ]; then echo -B${objroot}/newlib/ -L${objroot}/newlib/; fi`

INCLUDES = -I. -I$(srcdir)/..

# TODO: Once libspu is installed on the system we can remove this hack
INCLUDES += -I${srcroot}/../libspu/include

# Note that when building the library, ${MULTILIB} is not the way multilib
# options are passed; they're passed in $(CFLAGS).
CFLAGS_FOR_TARGET = ${MULTILIB} ${INCLUDES} ${NEWLIB_CFLAGS}
LDFLAGS_FOR_TARGET = ${MULTILIB} ${NEWLIB_LDFLAGS}
AR_FLAGS = qc

.c.o:
	$(CC) $(CFLAGS_FOR_TARGET) -O2 $(INCLUDES) -c $(CFLAGS) $<

.C.o:
	$(CC) $(CFLAGS_FOR_TARGET) -O2 $(INCLUDES) -c $(CFLAGS) $<
.s.o:
	$(AS) $(ASFLAGS_FOR_TARGET) $(INCLUDES) $(ASFLAGS) -o $*.o $<

#
# GCC knows to run the preprocessor on .S files before it assembles them.
#
.S.o:
	$(CC) $(CFLAGS_FOR_TARGET) $(INCLUDES) $(CFLAGS) -c $<

#
# this is a bogus target that'll produce an assembler from the
# C source with the right compiler options. this is so we can
# track down code generation or debug symbol bugs.
#
.c.s:
	$(CC) $(CFLAGS_FOR_TARGET) -S $(INCLUDES) $(CFLAGS) $<

all: ${OUTPUTS}

#
# here's where we build the library for each target
#

libgloss.a: $(EVALOBJS)
	${AR} ${ARFLAGS} $@ $(EVALOBJS)
	${RANLIB} $@

doc:	

clean mostlyclean:
	rm -f $(OUTPUTS) *.i *~ *.o *-test *.srec *.dis *.map *.x

distclean maintainer-clean realclean: clean
	rm -f Makefile config.status $(OUTPUTS)

.PHONY: install info install-info clean-info
install:
	for outputs in ${OUTPUTS}; do\
	 ${INSTALL_DATA} $${outputs} $(DESTDIR)/${tooldir}/lib${MULTISUBDIR}/$${outputs}; \
	done

info:
install-info:
clean-info:

Makefile: Makefile.in config.status @host_makefile_frag_path@
	$(SHELL) config.status

config.status: configure
	$(SHELL) config.status --recheck