# config
srcdir	= .
VPATH	= $(srcdir)
-include Make.config
include $(srcdir)/mk/Variables.mk

resdir	=  $(DESTDIR)$(RESDIR)

# fixup flags
CFLAGS	+= -DVERSION='"$(VERSION)"' -DUSE_X11
LDLIBS	+= -lm

# for X11 + Motif
CFLAGS	+= -I$(X11BASE)/include
LDFLAGS	+= -L$(X11BASE)/$(LIB)
LDLIBS	+= -lXm -lXpm -lXt -lXext -lX11

# RegEdit.c is good old K&R ...
RegEdit.o : CFLAGS += -Wno-missing-prototypes -Wno-strict-prototypes

# build
TARGETS := ida exiftran

OBJS_IDA := \
	ida.o man.o hex.o x11.o viewer.o dither.o icons.o \
	parseconfig.o idaconfig.o fileops.o \
	RegEdit.o selections.o xdnd.o jpeg/transupp.o \
	filebutton.o filelist.o browser.o jpegtools.o \
	op.o filter.o lut.o color.o loader.o \
	ppm.o xwd.o ps.o xpm.o bmp.o
OBJS_EXIFTRAN := \
	exiftran.o jpegtools.o jpeg/transupp.o

# default target
all: build


#################################################################
# poor man's autoconf ;-)

include $(srcdir)/mk/Autoconf.mk

define make-config
LIB		:= $(LIB)
RESDIR		:= $(call ac_resdir)
HAVE_ENDIAN_H	:= $(call ac_header,endian.h)
HAVE_GLIBC	:= $(call ac_func,fopencookie)
HAVE_LIBPCD	:= $(call ac_lib,pcd_open,pcd)
HAVE_LIBJPEG	:= $(call ac_lib,jpeg_start_compress,jpeg)
HAVE_LIBUNGIF	:= $(call ac_lib,DGifOpenFileName,ungif)
HAVE_LIBPNG	:= $(call ac_lib,png_read_info,png,-lz)
HAVE_LIBTIFF	:= $(call ac_lib,TIFFOpen,tiff)
#HAVE_LIBMAGICK	:= $(call ac_binary,Magick-config)
HAVE_LIBSANE	:= $(call ac_lib,sane_init,sane)
HAVE_LIBEXIF    := $(call ac_lib,exif_data_new_from_file,exif,-lm)
HAVE_LIBCURL	:= $(call ac_lib,curl_easy_init,curl)
endef

# transparent http/ftp access using curl depends on fopencookie (glibc)
ifneq ($(HAVE_GLIBC),yes)
  HAVE_LIBCURL	:= no
endif


########################################################################
# conditional stuff

includes        = ENDIAN_H
libraries	= PCD JPEG UNGIF PNG TIFF MAGICK SANE EXIF CURL

MAGICK_CFLAGS	= $(shell Magick-config --cflags)
MAGICK_LDFLAGS	= $(shell Magick-config --ldflags)

PCD_LDLIBS	= -lpcd
JPEG_LDLIBS	= -ljpeg
UNGIF_LDLIBS	= -lungif
PNG_LDLIBS	= -lpng -lz
TIFF_LDLIBS	= -ltiff
MAGICK_LDLIBS	= $(shell Magick-config --libs)
SANE_LDLIBS	= -lsane
EXIF_LDLIBS     = -lexif -lm
CURL_LDLIBS	= -lcurl

PCD_OBJS	= pcd.o
JPEG_OBJS	= jpeg.o
UNGIF_OBJS	= gif.o
PNG_OBJS	= png.o
TIFF_OBJS	= tiff.o
MAGICK_OBJS	= magick.o
SANE_OBJS	= sane.o
CURL_OBJS	= curl.o

# update various variables depending on HAVE_*
inc_cflags	:= $(call ac_inc_cflags,$(includes))
lib_cflags	:= $(call ac_lib_cflags,$(libraries))
lib_cflags	+= $(call ac_lib_mkvar,$(libraries),CFLAGS)
CFLAGS		+= $(inc_cflags) $(lib_cflags)
LDFLAGS		+= $(call ac_lib_mkvar,$(libraries),LDFLAGS)

OBJS_IDA	+= $(call ac_lib_mkvar,$(libraries),OBJS)
OBJS_EXIFTRAN	+= $(call ac_lib_mkvar,CURL,OBJS)

ida      : LDLIBS += $(call ac_lib_mkvar,$(libraries),LDLIBS)
exiftran : LDLIBS += $(call ac_lib_mkvar,JPEG EXIF CURL,LDLIBS)

# catch fopen calls for transparent ftp/http access
ifeq ($(HAVE_LIBCURL),yes)
  CFLAGS	+= -D_GNU_SOURCE
  LDFLAGS	+= -Wl,--wrap=fopen
endif


########################################################################
# rules

.PHONY: build install clean distclean realclean
build: $(TARGETS)

ida: $(OBJS_IDA)
exiftran: $(OBJS_EXIFTRAN)

logo.h: logo.jpg
	hexdump -v -e '1/1 "0x%02x,"' < $< > $@
	echo >> $@ # make gcc 3.x happy

Ida.ad.h: Ida.ad $(srcdir)/fallback.pl
	perl $(srcdir)/fallback.pl < $< > $@

install: build
	$(INSTALL_DIR) $(bindir)
	$(INSTALL_BINARY) ida $(bindir)
	$(INSTALL_DIR) $(mandir)/man1
	$(INSTALL_DATA) $(srcdir)/ida.man $(mandir)/man1/ida.1
	$(INSTALL_DIR) $(resdir)/app-defaults
	$(INSTALL_DATA) $(srcdir)/Ida.ad $(resdir)/app-defaults/Ida

clean:
	-rm -f *.o jpeg/*.o $(depfiles) core core.*

realclean distclean: clean
	-rm -f Make.config
	-rm -f $(TARGETS) *~ xpm/*~ *.bak Ida.ad.h logo.h

ida.o: Ida.ad.h logo.h 

include $(srcdir)/mk/Compile.mk
-include $(depfiles)

########################################################################
# maintainer stuff

include $(srcdir)/mk/Maintainer.mk

sync::
	cp $(srcdir)/../xawtv-4*/common/parseconfig.[ch] $(srcdir)