#
#  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/>.
#

include $(dir $(lastword $(MAKEFILE_LIST))).config.mk

unexport CFLAGS
unexport LDFLAGS

define DOWNLOAD
	@mkdir -p $(LIBHDHRDIR)/build
	if test -z "$${TVHEADEND_FILE_CACHE}"; then \
          wget --no-verbose -O $(2) $(1); \
        else \
          file=$$(basename $(2)); \
          cp "$$TVHEADEND_FILE_CACHE/$$(file)" $(2); \
        fi
        @{ \
	  sum=$$(sha1sum $(2) | cut -d ' ' -f 1); \
          printf "SHA1SUM test '$${sum}' == '$(3)': "; \
          test "y$${sum}" = "y$(3)"; \
        }
	@echo "OK"
endef

define UNTAR
	tar x -C $(LIBHDHRDIR) -$(2)f $(LIBHDHRDIR)/$(1)
endef

LIBHDHRDIR = $(ROOTDIR)/libhdhomerun_static

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

LIBHDHR         = libhdhomerun_20150406
LIBHDHR_TB      = $(LIBHDHR).tgz
LIBHDHR_URL     = http://download.silicondust.com/hdhomerun/$(LIBHDHR_TB)
LIBHDHR_SHA1    = f0d5da744d981a80becea6cc862b5e2519e1c3c6

.PHONY: build
build: $(LIBHDHRDIR)/$(LIBHDHR)/.tvh_build

#
# libhdhomerun
#

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

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

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

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

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

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

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