#
# Copyright (c) 1995-1996, 1998-2000 University of Utah and the Flux Group.
# All rights reserved.
# 
# This file is part of the Flux OSKit.  The OSKit is free software, also known
# as "open source;" you can redistribute it and/or modify it under the terms
# of the GNU General Public License (GPL), version 2, as published by the Free
# Software Foundation (FSF).  To explore alternate licensing terms, contact
# the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
# 
# The OSKit is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE.  See the GPL for more details.  You should have
# received a copy of the GPL along with the OSKit; see the file COPYING.  If
# not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
#

ifndef _oskit_unsupported_makerules_
_oskit_unsupported_makerules_ = yes

TARGET	= liboskit_unsupp.a

# the spec file goes there
GCC_SPEC = $(INSTALL_LIBDIR)/oskit/specs

# this will be the name of the driver
GCC_DRIVER = $(HOST_ARCH)-oskit-gcc

SRCDIRS +=	$(OSKIT_SRCDIR)/unsupported

INCDIRS +=	$(OSKIT_SRCDIR)/oskit/unsupp $(OSKIT_SRCDIR)/oskit/c

DEFINES +=	-DOSKIT

include $(OSKIT_SRCDIR)/GNUmakerules-lib

install: $(INSTALL_BINDIR)/sym-trace
all: scripts/sym-trace

ifneq ($(GCC_NEEDS_FULL_SPECS),broken)
install: $(GCC_SPEC) $(INSTALL_BINDIR)/$(GCC_DRIVER)
all: gcc-specs scripts/gcc-driver-script
endif

$(INSTALL_BINDIR)/$(GCC_DRIVER) : scripts/gcc-driver-script
	$(OSKIT_QUIET_MAKE_INFORM) "Installing $<"
	-mkdir -p $(INSTALL_BINDIR)
	$(INSTALL_PROGRAM) $< $@

dumpspecs = $(CC) $(OSKIT_CFLAGS) $(CFLAGS) -dumpspecs

# If $(CC) -print-file-name=include finds no directory and returns include,
# then -iwithprefix include would find something unhelpful like /usr/include,
# so we want to elide it.
define frob-sysinclude
test "`$(CC) $(OSKIT_CFLAGS) $(CFLAGS) -print-file-name=include`" != include \
|| { sed 's/^.oskit_sysinclude/&_OFF/' < $@.new > $@.n2 && mv $@.n2 $@.new; }
endef

substvars := prefix exec_prefix unix_host \
	     INSTALL_INCDIR INSTALL_BINDIR INSTALL_LIBDIR

ifeq ($(GCC_NEEDS_FULL_SPECS),yes)
# We don't have %rename, so instead produce the values we need in native-specs.
native-specs: $(OSKIT_SRCDIR)/unsupported/$(HOST_ARCH)/gcc-specs.in \
	      ../Makeconf
	$(OSKIT_QUIET_MAKE_INFORM) "Generating gcc-specs (step 1)"
	$(dumpspecs) | sed -n "`sed -n 's@^%rename[ 	]*\([^ 	][^ 	]*\)[ 	]*\([^ 	][^ 	]*\)@/^[*]\1:$$/{s/\1/\2/;N;N;p;}@p' $<`" > $@.new
	mv -f $@.new $@
our-specs: $(OSKIT_SRCDIR)/unsupported/$(HOST_ARCH)/gcc-specs.in \
	   native-specs
	$(OSKIT_QUIET_MAKE_INFORM) "Generating gcc-specs (step 2)"
	sed '/%rename/d$(foreach V,$(substvars),;s%@$V@%$($V)%g)' \
	    $^ > $@.new
	$(frob-sysinclude)
	mv -f $@.new $@
gcc-specs: our-specs
	$(OSKIT_QUIET_MAKE_INFORM) "Generating gcc-specs (step 3)"
	($(dumpspecs) | \
	 sed "`sed -n 's@^[*]\([^:]*\):$$@/^[*]\1:/{N;N;d;}@p' < $<`"; \
	 cat $<) > $@.new
	$(frob-sysinclude)
	mv -f $@.new $@
else
gcc-specs: $(OSKIT_SRCDIR)/unsupported/$(HOST_ARCH)/gcc-specs.in
	$(OSKIT_QUIET_MAKE_INFORM) "Generating gcc-specs"
	sed$(foreach V,$(substvars), -e 's%@$V@%$($V)%g') $< > $@.new
	mv -f $@.new $@
endif

$(GCC_SPEC): gcc-specs
	$(OSKIT_QUIET_MAKE_INFORM) "Installing $<"
	$(INSTALL_DATA) $< $@

$(INSTALL_BINDIR)/sym-trace : scripts/sym-trace
	$(OSKIT_QUIET_MAKE_INFORM) "Installing $<"
	-mkdir -p $(INSTALL_BINDIR)
	$(INSTALL_PROGRAM) $< $@

drivers.m4: $(OSKIT_SRCDIR)/unsupported/drivers-list.in
	$(OSKIT_QUIET_MAKE_INFORM) "Installing $<"
	$(CC) $(OSKIT_CFLAGS) $(CFLAGS) -E -x c $< | $(SHELL) > $@

endif