# Copyright 2019, pEp Foundation
# This file is part of pEpJNIAdapter for Android  - ARM64 v8a build
# This file may be used under the terms of the GNU General Public License version 3
# see LICENSE.txt

include ../Makefile.conf

#------------------------------------------------------------------------------#
# Makefile to build deps for use with pEpEngine
#  based on gnupg-for-android/external/Makefile
#------------------------------------------------------------------------------#

#------------------------------------------------------------------------------#
# Build parameters

## Download all dependencies
all: downloads.stamp

downloads.stamp: download-iconv download-uuid download-sequoia-deps download-etpan download-sequoia
	touch $@

## Download iconv
download-iconv: libiconv-1.15.tar.gz

## Download and patch uuid
download-uuid: ossp-uuid_1.6.2.orig-patched.tar.gz

## Download sequoia dependencies
download-sequoia-deps: openssl-$(OPENSSL_VERSION).tar.gz gmp-$(GMP_VERSION).tar.bz2 \
						nettle-$(NETTLE_VERSION)-patched.tar.gz

## Download etpan
download-etpan: libetpan.git.stamp

## Download sequoia
download-sequoia: pEpEngineSequoiaBackend.git.stamp

# Download source and patch it
libiconv-1.15.tar.gz:
	wget https://ftp.gnu.org/pub/gnu/libiconv/libiconv-1.15.tar.gz

ossp-uuid_1.6.2.orig-patched.tar.gz: ossp-uuid_1.6.2.orig.tar.gz
	tar -xvf $<
	-patch -N -p1 --reject-file=- uuid-1.6.2/libtool.m4 ../libtool-Add-Android-Linux-support-iconv.patch
	tar -czvf $@ uuid-1.6.2
	rm -rf uuid-1.6.2

ossp-uuid_1.6.2.orig.tar.gz:
	wget http://http.debian.net/debian/pool/main/o/ossp-uuid/ossp-uuid_1.6.2.orig.tar.gz
	md5sum -c ossp-uuid_1.6.2.orig.tar.gz.md5

openssl-$(OPENSSL_VERSION).tar.gz:
	wget -nc https://www.openssl.org/source/openssl-$(OPENSSL_VERSION).tar.gz
	md5sum -c openssl-$(OPENSSL_VERSION).tar.gz.md5

gmp-$(GMP_VERSION).tar.bz2:
	wget -nc https://gmplib.org/download/gmp/gmp-$(GMP_VERSION).tar.bz2
	md5sum -c gmp-$(GMP_VERSION).tar.bz2.md5

nettle-$(NETTLE_VERSION)-patched.tar.gz: nettle-$(NETTLE_VERSION).tar.gz
	tar -xvf $<
	-patch -N -p1 --reject-file=- nettle-$(NETTLE_VERSION)/configure.ac  ../nettle-3.4.1-remove-so-versioning.patch
	-patch -N -p1 --reject-file=- nettle-$(NETTLE_VERSION)/Makefile.in  ../nettle-3.4.1-remove-so-versioning-link.patch
	tar -czvf $@ nettle-$(NETTLE_VERSION)
	rm -rf nettle-$(NETTLE_VERSION)

nettle-$(NETTLE_VERSION).tar.gz:
	wget -nc https://ftp.gnu.org/gnu/nettle/nettle-$(NETTLE_VERSION).tar.gz
	md5sum -c nettle-$(NETTLE_VERSION).tar.gz.md5


#------------------------------------------------------------------------------#
# Clone update and archive external projects GIT repos
# Local clone is in external/$project.git while
# selected commit is archived in external/$project

define per_repo_targets
$(1).git.stamp:
	git clone $(2) $(1).git
	(cd $(1).git; git archive --format=tar $(3)) > $(1).tar.gz
	touch $(1).git.stamp

$(1).git_update: $(1).git.stamp
	cd $(1).git; git pull
	rm -rf $(1).tar.gz
	(cd $(1).git; git archive --format=tar $(3)) > $(1).tar.gz
	touch $(1).git.stamp

$(1)-clean:
	rm -rf $(1)
	rm -f $(1).src.stamp

EXTERNAL_LOCAL_GITS += $(1).git.stamp
EXTERNAL_LOCAL_GITS_UPDATE += $(1).git_update
EXTERNAL_SRCS += $(1)-src
EXTERNAL_SRCS_CLEAN += $(1)-clean
endef

define per_repo
$(call per_repo_targets,\
    $(1),\
    $(word 1,$(subst ?, ,$(2))),\
    $(word 2,$(subst ?, ,$(2))))
endef

$(foreach repo, $(EXTERNAL_GIT_REPOS), $(eval $(call per_repo,\
    $(word 1,$(subst |, ,$(repo))),\
    $(word 2,$(subst |, ,$(repo))))))

git_clones: $(EXTERNAL_LOCAL_GITS)

git_update: $(EXTERNAL_LOCAL_GITS_UPDATE)

#------------------------------------------------------------------------------#
clean:
	-rm -rf *.git
	-rm -rf *.stamp
	-rm -rf *.tar.gz
	-rm -rf *.tar.bz2

.PHONY: all clean download-iconv \
		download-uuid download-etpan \
		download-sequoia-deps download-sequoia

include ../help.mk
helpPurpose='Download all files and packages needed to compile external dependencies for pEpEngine'