Makefile.in

# Copyright (C) 2014 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program 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
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# Directory containing source files.
srcdir = @with_srcdir@
VPATH = @with_srcdir@

CFLAGS=-g3 -O0

# 1 - build dir
# 2 - host triplet
# 3 - extra configure options
define configure
	mkdir -p $(1)
	cd $(1); $(srcdir)/configure --host=$(2) CFLAGS="$(CFLAGS)" $(3)
	touch $(1)/configured
endef

define make
	+$(MAKE) -C $(1)
endef

# 1 - build dir
# 2 - host triplet
# 3 - extra configure options
define gen_host_rules
$(1)/configured: $(srcdir)/configure
	$(call configure,$(1),$(2),$(3))

$(1): $(1)/configured force
	$(call make,$(1))
endef

# List of hosts whose build dir matches the host triplet.
GEN_HOSTS=\
	aarch64-linux-gnu \
	arm-linux-gnueabihf \
	i686-pc-linux-gnu \
	i686-w64-mingw32 \
	m68k-linux-gnu \
	mips-linux-gnu \
	nios2-linux-gnu \
	powerpc-linux-gnu \
	sh-linux-gnu \
	tilegx-unknown-linux-gnu \
	x86_64-redhat-linux \
	x86_64-w64-mingw32

# List of hosts that need manual handling.
MAN_HOSTS=mips-uclinux

# All hosts.
HOSTS=$(GEN_HOSTS) $(MAN_HOSTS)

all: $(HOSTS)

.PHONY: force
force:

# Generate rules for all GEN_HOSTS hosts.
$(foreach host,$(GEN_HOSTS),$(eval $(call gen_host_rules,$(host),$(host))))

# mips-uclinux
$(eval $(call gen_host_rules,mips-uclinux,mips-linux-gnu,CC="mips-linux-gnu-gcc -muclibc"))

Makefile: Makefile.in config.status
	CONFIG_HEADERS="" $(SHELL) ./config.status

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