# Makefile for building a crosstool-NG cross-toolchain Debian package file

# Copyright (C)2025, Philip Munts dba Munts Technologies.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
#
# * Redistributions of source code must retain the above copyright notice,
#   this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.

MUNTSOS		?= ../..

include $(MUNTSOS)/include/$(BOARDNAME).mk

INSTALLDIR	:= gcc-$(CONFIGURE_NAME)
GCC_VERN	:= $(shell $(INSTALLDIR)/bin/$(CONFIGURE_NAME)-gcc --version | awk '/gcc/ { print $$4 }')
GCC_VERS	:= $(shell $(INSTALLDIR)/bin/$(CONFIGURE_NAME)-gcc --version | awk '/gcc/ { print $$0 }')

BUILDNUM	?= 1
OSNAME		?= unknown
PKGNAME		:= gcc-$(TOOLCHAIN_NAME)
PKGVER		:= $(GCC_VERN)-$(shell date +%Y.%j).$(BUILDNUM)
PKGARCH		:= $(shell dpkg --print-architecture)
PKGSUFFIX	:= $(PKGVER)-$(OSNAME)-$(PKGARCH)
PKGDIR		:= $(PKGNAME)-$(PKGSUFFIX)
PKGFILE		:= $(PKGNAME)-$(PKGSUFFIX).deb

GPRBUILDVER	:= 25.0.1
ifeq ($(PKGARCH), amd64)
GPRBUILDDIST	:= $(HOME)/.local/share/alire/toolchains/gprbuild_25.0.1_9a2e6cfb
endif
ifeq ($(PKGARCH), arm64)
GPRBUILDDIST	:= $(HOME)/.local/share/alire/toolchains/gprbuild_25.0.1_5e58c08e
endif
GPRBUILDDIR	:= libexec/gprbuild-alire$(GPRBUILDVER)
GPRBUILDDEST	:= $(PKGDIR)$(TOOLCHAIN_DIR)/$(GPRBUILDDIR)

default: package.deb

################################################################################

# Create Debian package

package.deb: build.done
	mkdir -p					$(PKGDIR)/DEBIAN
	install -cm 0644 control			$(PKGDIR)/DEBIAN
	sed -i s/@@NAME@@/$(PKGNAME)/g			$(PKGDIR)/DEBIAN/control
	sed -i s/@@ARCH@@/$(PKGARCH)/g			$(PKGDIR)/DEBIAN/control
	sed -i s/@@VERSION@@/$(PKGVER)/g		$(PKGDIR)/DEBIAN/control
	sed -i s/@@BOARDNAME@@/$(BOARDNAME)/g		$(PKGDIR)/DEBIAN/control
	mkdir -p					$(PKGDIR)/usr/local
	cp -R -P -p $(INSTALLDIR)			$(PKGDIR)$(TOOLCHAIN_DIR)
	mkdir -p					$(GPRBUILDDEST)
	cp -R -P -p $(GPRBUILDDIST)/*			$(GPRBUILDDEST)
	rm -rf						$(GPRBUILDDEST)/alire*
	rm -rf						$(GPRBUILDDEST)/doinstall
	rm -rf						$(GPRBUILDDEST)/share
	cd $(GPRBUILDDEST)/bin && for P in * ; do ln -s ../$(GPRBUILDDIR)/bin/$$P ../../../bin/$$P ; done
	mkdir -p					$(PKGDIR)$(TOOLCHAIN_DIR)/share/gpr
	install -cm 0644 template.cgpr			$(PKGDIR)$(TOOLCHAIN_DIR)/share/gpr/$(CONFIGURE_NAME).cgpr
	sed -i 's/@@CONFIGURE_NAME@@/$(CONFIGURE_NAME)/g' $(PKGDIR)$(TOOLCHAIN_DIR)/share/gpr/$(CONFIGURE_NAME).cgpr
	sed -i 's:@@GPRBUILD_DIR@@:$(GPRBUILDDIR):g'	$(PKGDIR)$(TOOLCHAIN_DIR)/share/gpr/$(CONFIGURE_NAME).cgpr
	sed -i 's/@@TARGET_NAME@@/$(CONFIGURE_NAME)/g'	$(PKGDIR)$(TOOLCHAIN_DIR)/share/gpr/$(CONFIGURE_NAME).cgpr
	sed -i 's:@@TOOLCHAIN_DIR@@:$(TOOLCHAIN_DIR):g'	$(PKGDIR)$(TOOLCHAIN_DIR)/share/gpr/$(CONFIGURE_NAME).cgpr
	sed -i 's/@@TOOLCHAIN_VERN@@/$(GCC_VERN)/g'	$(PKGDIR)$(TOOLCHAIN_DIR)/share/gpr/$(CONFIGURE_NAME).cgpr
	sed -i 's/@@TOOLCHAIN_VERS@@/$(GCC_VERS)/g'	$(PKGDIR)$(TOOLCHAIN_DIR)/share/gpr/$(CONFIGURE_NAME).cgpr
	chmod -R ugo-w					$(PKGDIR)/usr
	fakeroot dpkg-deb --build			$(PKGDIR)
	chmod -R u+w					$(PKGDIR)/usr

################################################################################

# Remove working files

clean:
	-chmod -R u+w $(PKGDIR)
	rm -rf $(PKGDIR) $(PKGFILE)

reallyclean: clean
	-chmod -R u+w gcc*
	rm -rf .config* build* config* *.done gcc* include

distclean: reallyclean
	rm -rf distfiles