#
#  HDhomerun library build
#  Copyright (C) 2014 Jaroslav Kysela
#
#  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/>.
#

DIR :=  $(dir $(lastword $(MAKEFILE_LIST)))
include $(DIR)/.config.mk

unexport CFLAGS
unexport LDFLAGS

ifeq ($(CONFIG_PIE),yes)
CFLAGS += -fPIE
else
CFLAGS += -fPIC
endif

# ###########################################################################
# Upstream Packages
# ###########################################################################

LIBHDHR         = libhdhomerun_20210624
LIBHDHR_TB      = $(LIBHDHR).tgz
LIBHDHR_URL     = https://download.silicondust.com/hdhomerun/$(LIBHDHR_TB)
LIBHDHR_SHA1    = 9db6089b956de4e58084b623937f5fc3231fff0b

# ###########################################################################
# Library Config
# ###########################################################################

LIB_NAME       := hdhomerun
LIB_ROOT       := $(BUILDDIR)/$(LIB_NAME)
LIB_FILES      := \
			$(LIB_ROOT)/$(LIBHDHR)/.tvh_download \
			$(LIB_ROOT)/$(LIBHDHR)/.tvh_build \
			$(LIB_ROOT)/libhdhomerun/libhdhomerun.a \
			$(LIB_ROOT)/libhdhomerun/*.h
LIB_DIFFS      := hdhomerun.diff

include $(DIR)/Makefile.static

.PHONY: build
build: $(LIB_ROOT)/$(LIBHDHR)/.tvh_build
	$(call LIBCACHEGET_TIMESTAMP)

# ###########################################################################
# Build Rules
# ###########################################################################

export PATH := $(LIB_ROOT)/build/bin:$(PATH)

#
# libhdhomerun
#

-include $(LIB_ROOT)/$(LIBHDHR)/Makefile

OBJS := $(foreach file,$(LIBSRCS),$(LIB_ROOT)/$(LIBHDHR)/$(basename $(file)).o)

$(LIB_ROOT)/$(LIBHDHR)/%.o: $(LIB_ROOT)/$(LIBHDHR)/%.c
	$(CC) -MD -MP $(CFLAGS) -fPIE -c -o $@ $<

$(LIB_ROOT)/$(LIBHDHR)/libhdhomerun.a: $(OBJS)
	$(AR) rcs $@ $^

$(LIB_ROOT)/$(LIBHDHR)/.tvh_download:
	$(call DOWNLOAD,$(LIBHDHR_URL),$(LIB_ROOT)/$(LIBHDHR_TB),$(LIBHDHR_SHA1))
	$(call UNTAR,$(LIBHDHR_TB),z)
	ln -sf libhdhomerun $(LIB_ROOT)/$(LIBHDHR)
	$(call PATCH,$(LIBHDHR),$(LIB_DIFFS))
	@touch $@

$(LIB_ROOT)/$(LIBHDHR)/.tvh_build: \
		$(LIB_ROOT)/$(LIBHDHR)/.tvh_download
	$(MAKE) -f Makefile.hdhomerun $(LIB_ROOT)/$(LIBHDHR)/libhdhomerun.a
	@touch $@

.PHONY: static_libhdhr_clean
static_libhdhr_clean:
	@rm -rf $(LIB_ROOT)