# Process this file with autoconf to create configure.

AC_PREREQ([2.65])

# ====================
# Version informations
# ====================
m4_define([cups_filters_version_major],[1])
m4_define([cups_filters_version_minor],[28])
m4_define([cups_filters_version_micro],[10])
m4_define([cups_filters_version],[cups_filters_version_major.cups_filters_version_minor.cups_filters_version_micro])

# =============
# Automake init
# =============
AC_INIT([cups-filters],[cups_filters_version])
AC_CONFIG_MACRO_DIR([m4])
m4_include([m4/ac_define_dir.m4])
m4_include([m4/ax_compare_version.m4])
m4_include([m4/basic-directories.m4])
AM_INIT_AUTOMAKE([1.11 gnu dist-xz dist-bzip2 subdir-objects])
AM_SILENT_RULES([yes])
AC_LANG([C++])
AC_CONFIG_HEADERS([config.h])
# Extra defines for the config.h
AH_BOTTOM([
#ifdef HAVE_LONG_LONG
#  define CUPS_LLFMT   "%lld"
#  define CUPS_LLCAST  (long long)
#else
#  define CUPS_LLFMT   "%ld"
#  define CUPS_LLCAST  (long)
#endif /* HAVE_LONG_LONG */

#ifdef HAVE_ARC4RANDOM
#  define CUPS_RAND() arc4random()
#  define CUPS_SRAND(v) arc4random_stir()
#elif defined(HAVE_RANDOM)
#  define CUPS_RAND() random()
#  define CUPS_SRAND(v) srandom(v)
#elif defined(HAVE_LRAND48)
#  define CUPS_RAND() lrand48()
#  define CUPS_SRAND(v) srand48(v)
#else
#  define CUPS_RAND() rand()
#  define CUPS_SRAND(v) srand(v)
#endif /* HAVE_ARC4RANDOM */
])

# ===========================
# Find required base packages
# ===========================
AC_PROG_CC
AC_PROG_CXX
AX_CXX_COMPILE_STDCXX([11],[noext],[mandatory])
AM_PROG_CC_C_O
AM_ICONV
AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_LN_S
AS_LN_SRF_PREPARE
AC_PROG_LN_SRF
AC_PROG_MAKE_SET
AC_PROG_LIBTOOL
PKG_PROG_PKG_CONFIG([0.20])

AM_GNU_GETTEXT_VERSION([0.18.3])
AM_GNU_GETTEXT([external])

# ========================================
# Specify the fontdir patch if not default
# ========================================
AC_ARG_WITH([fontdir],
	[AS_HELP_STRING([--with-fontdir=path], [Specify path to font config directory (default: fonts/conf.d/).])],
	[FONTDIR="$withval"],
	[FONTDIR="fonts/conf.d"]
)
AC_SUBST(FONTDIR)

# ================================
# Find CUPS internals (no pc file)
# ================================
AC_ARG_WITH([cups-config],
	[AS_HELP_STRING([--with-cups-config=path], [Specify path to cups-config executable.])],
	[with_cups_config="$withval"],
	[with_cups_config=system]
)

AS_IF([test "x$with_cups_config" != "xsystem"], [
	CUPSCONFIG=$with_cups_config
], [
	AC_PATH_TOOL(CUPSCONFIG, [cups-config])
	AS_IF([test -z "$CUPSCONFIG"], [
		AC_MSG_ERROR([Required cups-config is missing. Please install CUPS developer packages.])
	])
])
CUPS_CFLAGS=`$CUPSCONFIG --cflags`' -D_PPD_DEPRECATED=""'
CUPS_LIBS=`$CUPSCONFIG --image --libs`
CUPS_VERSION=`$CUPSCONFIG --version`
AC_SUBST(CUPS_CFLAGS)
AC_SUBST(CUPS_LIBS)

CUPS_DATADIR="`$CUPSCONFIG --datadir`"
AC_DEFINE_UNQUOTED(CUPS_DATADIR, "$CUPS_DATADIR", [CUPS datadir])
AC_SUBST(CUPS_DATADIR)

CUPS_SERVERROOT="`$CUPSCONFIG --serverroot`"
AC_DEFINE_UNQUOTED(CUPS_SERVERROOT, "$CUPS_SERVERROOT", [CUPS serverroot])
AC_SUBST(CUPS_SERVERROOT)

CUPS_FONTPATH="$CUPS_DATADIR/fonts"
AC_DEFINE_UNQUOTED(CUPS_FONTPATH, "$CUPS_FONTPATH", [Path to CUPS fonts dir])
AC_SUBST(CUPS_FONTPATH)

CUPS_SERVERBIN="`$CUPSCONFIG --serverbin`"
AC_DEFINE_UNQUOTED(CUPS_SERVERBIN, "$CUPS_SERVERBIN", [Path to CUPS binaries dir])
AC_SUBST(CUPS_SERVERBIN)

AX_COMPARE_VERSION([$CUPS_VERSION],[gt],[1.4], [
	AC_DEFINE(CUPS_1_4, 1, [CUPS Version is 1.4 or newer])
])

AC_ARG_ENABLE([driverless], [AS_HELP_STRING([--enable-driverless], [enable PPD generator for driverless printing in /usr/lib/cups/driver/, for manual setup of driverless printers with printer setup tool.])],
        [enable_driverless="$enableval"],
        [enable_driverless=yes]
)
AX_COMPARE_VERSION([$CUPS_VERSION],[lt],[1.6], [
	enable_driverless=no
])
AM_CONDITIONAL([ENABLE_DRIVERLESS],
[test "x$enable_driverless" != "xno"])

APPLE_RASTER_FILTER=rastertopdf
AX_COMPARE_VERSION([$CUPS_VERSION],[lt],[2.2.2], [
	APPLE_RASTER_FILTER=urftopdf
])
AC_ARG_WITH([apple-raster-filter],
	[AS_HELP_STRING([--with-apple-raster-filter=rastertopdf|urftopdf], [Select filter for Apple Raster input. Default: rastertopdf for CUPS 2.2.2+, urftopdf for older CUPS])],
	[with_apple_raster_filter="$withval"],
	[with_apple_raster_filter="$APPLE_RASTER_FILTER"]
)
AS_CASE([x$with_apple_raster_filter],
	[xrastertopdf|xurftopdf], [APPLE_RASTER_FILTER=$with_apple_raster_filter],
	[AC_MSG_ERROR([Unknown value of with-apple-raster-filter provided: $with_apple_raster_filter])]
)
AM_CONDITIONAL([ENABLE_URFTOPDF],
	       [test "x$APPLE_RASTER_FILTER" = "xurftopdf"])
AC_SUBST(APPLE_RASTER_FILTER)

AC_DEFINE(PDFTOPDF, [], [Needed for pdftopdf filter compilation])
AC_DEFINE_DIR(BANNERTOPDF_DATADIR, "{CUPS_DATADIR}/data", [Directory where bannertopdf finds its data files (PDF templates)])

AC_ARG_ENABLE([auto-setup-local-only], [AS_HELP_STRING([--enable-auto-setup-local-only], [enable automatic setup of only local IPP printers.])],
        [enable_auto_setup_local_only="$enableval"],
        [enable_auto_setup_local_only=no]
)
if test "x$enable_auto_setup_local_only" != "xno"; then
	AC_DEFINE([ONLY_LOCAL_IPP_PRINTERS_AUTO_SETUP], [], [Auto-setup only local IPP network printers?])
fi

AC_ARG_ENABLE([auto-setup-driverless-only], [AS_HELP_STRING([--enable-auto-setup-driverless-only], [enable automatic setup of only IPP network printers with driverless printing support.])],
        [enable_auto_setup_driverless_only="$enableval"],
        [enable_auto_setup_driverless_only=no]
)
if test "x$enable_auto_setup_driverless_only" != "xno"; then
	AC_DEFINE([ONLY_DRIVERLESS_IPP_PRINTERS_AUTO_SETUP], [], [Auto-setup only driverless IPP network printers?])
fi

if test "x$enable_auto_setup_local_only" != "xno"; then
	enable_auto_setup_driverless_only=no
	enable_auto_setup_all=no
else
	if test "x$enable_auto_setup_driverless_only" != "xno"; then
		enable_auto_setup_all=no
	else
		enable_auto_setup_all=yes
	fi
fi

AC_SEARCH_LIBS([dlopen],
	[dl],
	[AS_IF([test "$ac_cv_search_dlopen" != "none required"], [
		DLOPEN_LIBS="$ac_cv_search_dlopen"
	])],
	AC_MSG_ERROR([unable to find the dlopen() function])
)
AC_SUBST(DLOPEN_LIBS)

# Transient run-time state dir of CUPS
CUPS_STATEDIR=""
AC_ARG_WITH(cups-rundir, [  --with-cups-rundir           set transient run-time state directory of CUPS],CUPS_STATEDIR="$withval",[
        case "$uname" in
                Darwin*)
                        # Darwin (OS X)
                        CUPS_STATEDIR="$CUPS_SERVERROOT"
                        ;;
                *)
                        # All others
                        CUPS_STATEDIR="$localstatedir/run/cups"
                        ;;
        esac])
AC_DEFINE_UNQUOTED(CUPS_STATEDIR, "$CUPS_STATEDIR", [Transient run-time state dir of CUPS])
AC_SUBST(CUPS_STATEDIR)

# Domain socket of CUPS...
CUPS_DEFAULT_DOMAINSOCKET=""
AC_ARG_WITH(cups-domainsocket, [  --with-cups-domainsocket     set unix domain socket name used by CUPS
],
        default_domainsocket="$withval",
        default_domainsocket="")

if test x$enable_domainsocket != xno -a x$default_domainsocket != xno; then
        if test "x$default_domainsocket" = x; then
                case "$uname" in
                        Darwin*)
                                # Darwin and MaxOS X do their own thing...
                                CUPS_DEFAULT_DOMAINSOCKET="$localstatedir/run/cupsd"
                                ;;
                        *)
                                # All others use FHS standard...
                                CUPS_DEFAULT_DOMAINSOCKET="$CUPS_STATEDIR/cups.sock"
                                ;;
                esac
        else
                CUPS_DEFAULT_DOMAINSOCKET="$default_domainsocket"
        fi
fi
AC_DEFINE_UNQUOTED(CUPS_DEFAULT_DOMAINSOCKET, "$CUPS_DEFAULT_DOMAINSOCKET", "Domain socket of CUPS")
AC_SUBST(CUPS_DEFAULT_DOMAINSOCKET)

# ======================
# Check system functions
# ======================
AC_CHECK_FUNCS(strlcat)
AC_CHECK_FUNCS(strlcpy)
AC_CHECK_FUNCS(sigaction)
AC_CHECK_FUNCS(waitpid wait3)
AC_CHECK_FUNCS(strtoll)
AC_CHECK_FUNCS(open_memstream)
AC_CHECK_FUNCS(getline,[],AC_SUBST([GETLINE],['bannertopdf-getline.$(OBJEXT)']))
AC_CHECK_FUNCS(strcasestr,[],AC_SUBST([STRCASESTR],['pdftops-strcasestr.$(OBJEXT)']))
AC_SEARCH_LIBS(pow, m)

# ========================
# Check for system headers
# ========================
AC_CHECK_HEADERS([stdlib.h])
AC_CHECK_HEADERS([sys/stat.h])
AC_CHECK_HEADERS([sys/types.h])
AC_CHECK_HEADERS([unistd.h])
AC_CHECK_HEADERS([zlib.h])
AC_CHECK_HEADERS([endian.h])
AC_CHECK_HEADERS([dirent.h])
AC_CHECK_HEADERS([sys/ioctl.h])

# =============
# Image options
# =============
AC_ARG_ENABLE([imagefilters],
	[AS_HELP_STRING([--disable-imagefilters], [Build the image filters.])],
	[enable_imagefilters="$enableval"],
	[enable_imagefilters=yes]
)
AM_CONDITIONAL([ENABLE_IMAGEFILTERS], [test "x$enable_imagefilters" != "xno"])

# Libraries
AC_ARG_WITH([jpeg],
	[AS_HELP_STRING([--without-jpeg], [Disable jpeg support.])],
	[with_jpeg="$withval"],
	[with_jpeg=yes]
)
AS_IF([test x"$with_jpeg" != "xno"], [
	AC_DEFINE([HAVE_LIBJPEG], [], [Defines if we provide jpeg library.])
	AC_CHECK_HEADERS([jpeglib.h])
	AC_SEARCH_LIBS([jpeg_destroy_decompress],
		[jpeg],
		LIBJPEG_LIBS="-ljpeg",
		AC_MSG_ERROR([jpeg libraries not found.])
	)
	AC_SUBST(LIBJPEG_LIBS)
])

AC_ARG_WITH([png],
	[AS_HELP_STRING([--without-png], [Disable png support.])],
	[with_png="$withval"],
	[with_png=yes]
)
AS_IF([test x"$with_png" != "xno"], [
	PKG_CHECK_MODULES([LIBPNG], [libpng])
	AC_DEFINE([HAVE_LIBPNG], [], [Defines if we provide png library.])
])

AC_ARG_WITH([tiff],
	[AS_HELP_STRING([--without-tiff], [Disable tiff support.])],
	[with_tiff="$withval"],
	[with_tiff=yes]
)
AS_IF([test x"$with_tiff" != "xno"], [
	AC_DEFINE([HAVE_LIBTIFF], [], [Defines if we provide tiff library.])
	AC_CHECK_HEADERS([tiff.h])
	AC_SEARCH_LIBS([TIFFReadScanline],
		[tiff],
		LIBJPEG_LIBS="-ltiff",
		AC_MSG_ERROR([tiff libraries not found.])
	)
	AC_SUBST(LIBTIFF_LIBS)
])

# ==================================
# Check for modules needed by utils/
# ==================================

dnl Avahi for cups-browsed
AVAHI_LIBS=""
AVAHI_CFLAGS=""
AVAHI_GLIB_CFLAGS=""
AVAHI_GLIB_LIBS=""

AC_ARG_ENABLE([avahi],
	[AS_HELP_STRING([--disable-avahi], [Disable DNS Service Discovery support using Avahi.])],
	[enable_avahi="$enableval"],
	[enable_avahi=yes]
)
AM_CONDITIONAL([ENABLE_AVAHI], [test "x$enable_avahi" != "xno"])

AC_ARG_WITH(avahi-libs,
	[AS_HELP_STRING([--with-avahi-libs], [Set directory for Avahi library.])],
	AVAHI_LIBS="-L$withval $AVAHI_LIBS",)
AC_ARG_WITH(avahi-includes,
	[AS_HELP_STRING([--with-avahi-includes], [Set directory for Avahi includes])],
	AVAHI_CFLAGS="-I$withval $AVAHI_CFLAGS",)

if test "x$enable_avahi" != xno; then
	PKG_CHECK_MODULES(AVAHI, avahi-client,
		[AC_DEFINE(HAVE_AVAHI, [], [Define if you have the avahi library])])
fi

AC_SUBST(AVAHI_LIBS)
AC_SUBST(AVAHI_CFLAGS)

dnl
dnl   LDAP configuration stuff for CUPS.
dnl
dnl   Copyright 2007-2011 by Apple Inc.
dnl   Copyright 2003-2006 by Easy Software Products, all rights reserved.
dnl
dnl   These coded instructions, statements, and computer programs are the
dnl   property of Apple Inc. and are protected by Federal copyright
dnl   law.  Distribution and use rights are outlined in the file "COPYING"
dnl   which should have been included with this file.
dnl

AC_ARG_ENABLE([ldap], [AS_HELP_STRING([--disable-ldap], [disable LDAP support.])],
        [enable_ldap="$enableval"],
        [enable_ldap=yes]
)
AC_ARG_WITH([ldap-libs], [AS_HELP_STRING([--with-ldap-libs], [set directory for LDAP library.])],
    LDFLAGS="-L$withval $LDFLAGS"
    DSOFLAGS="-L$withval $DSOFLAGS",)
AC_ARG_WITH([ldap-includes], [AS_HELP_STRING([--with-ldap-includes], [set directory for LDAP includes.])],
    CFLAGS="-I$withval $CFLAGS"
    CPPFLAGS="-I$withval $CPPFLAGS",)

if test x$enable_ldap != xno; then

    AC_CHECK_HEADER([ldap.h], [
	AC_SEARCH_LIBS([ldap_initialize], [ldap], [
	    AC_DEFINE([HAVE_LDAP], [], [Define if LDAP support should be enabled])
	    AC_DEFINE([HAVE_OPENLDAP], [], [If LDAP support is that of OpenLDAP])
	    AC_CHECK_LIB([ldap], [ldap_start_tls],
		AC_DEFINE([HAVE_LDAP_SSL], [], [If LDAP has SSL/TLS support enabled]))],[

	    AC_CHECK_LIB([ldap], [ldap_init], [
		AC_DEFINE([HAVE_LDAP], [], [Define if LDAP support should be enabled])
		AC_DEFINE([HAVE_MOZILLA_LDAP], [], [If LDAP support is that of Mozilla])
		AC_CHECK_HEADERS([ldap_ssl.h], [], [], [#include <ldap.h>])
		AC_CHECK_LIB([ldap], [ldapssl_init],
		    AC_DEFINE([HAVE_LDAP_SSL], [], [If LDAP has SSL/TLS support enabled]))])]
	)
	AC_CHECK_LIB([ldap], [ldap_set_rebind_proc], AC_DEFINE([HAVE_LDAP_REBIND_PROC], [], [If libldap implements ldap_set_rebind_proc]))
    ])

fi

PKG_CHECK_MODULES(GLIB, [glib-2.0 >= 2.30.2])
AC_SUBST(GLIB_CFLAGS)
AC_SUBST(GLIB_LIBS)

if test x$enable_avahi != xno; then
	PKG_CHECK_MODULES(AVAHI_GLIB, [avahi-glib])
fi

AC_SUBST(AVAHI_GLIB_CFLAGS)
AC_SUBST(AVAHI_GLIB_LIBS)

PKG_CHECK_MODULES(GIO, [gio-2.0])
AC_SUBST(GIO_CFLAGS)
AC_SUBST(GIO_LIBS)

PKG_CHECK_MODULES(GIO_UNIX, [gio-unix-2.0])
AC_SUBST(GIO_UNIX_CFLAGS)
AC_SUBST(GIO_UNIX_LIBS)

AC_ARG_WITH([browseremoteprotocols],
	[AS_HELP_STRING([--with-browseremoteprotocols=value], [Set which protocols to listen for in cups-browsed (default: dnssd cups)])],
	[with_browseremoteprotocols="$withval"],
	[with_browseremoteprotocols="dnssd cups"]
)
BROWSEREMOTEPROTOCOLS="$with_browseremoteprotocols"
AC_SUBST(BROWSEREMOTEPROTOCOLS)

dnl Setup init.d locations...
AC_ARG_WITH(rcdir, [AS_HELP_STRING([--with-rcdir], [Set path for rc scripts])],rcdir="$withval",rcdir="")
AC_ARG_WITH(rclevels, [AS_HELP_STRING([--with-rclevels], [Set run levels for rc scripts])],rclevels="$withval",rclevels="2 3 5")
AC_ARG_WITH(rcstart, [AS_HELP_STRING([--with-rcstart], [Set start number for rc scripts])],rcstart="$withval",rcstart="99")
AC_ARG_WITH(rcstop, [AS_HELP_STRING([--with-rcstop], [Set stop number for rc scripts])],rcstop="$withval",rcstop="00")

INITDIR=""
INITDDIR=""
RCLEVELS="$rclevels"
RCSTART="$rcstart"
RCSTOP="$rcstop"

if test x$rcdir = x; then
	case "`uname`" in
		FreeBSD* | OpenBSD* | MirBSD* | ekkoBSD*)
			# FreeBSD and OpenBSD
			;;

		Linux | GNU | GNU/k*BSD*)
			# Linux/HURD seems to choose an init.d directory at random...
			if test -d /sbin/init.d; then
				# SuSE
				INITDIR="/sbin/init.d"
			else
				if test -d /etc/init.d; then
					# Others
					INITDIR="/etc"
				else
					# RedHat
					INITDIR="/etc/rc.d"
				fi
			fi
			RCSTART="82"
			RCSTOP="35"
			;;

		NetBSD*)
			# NetBSD
			INITDDIR="/etc/rc.d"
			;;

		*)
			INITDIR="/etc"
			;;

	esac
elif test "x$rcdir" != xno; then
	if test "x$rclevels" = x; then
		INITDDIR="$rcdir"
	else
		INITDIR="$rcdir"
	fi
fi

AM_CONDITIONAL([RCLINKS], [test "x$INITDIR" != "x"])

if test "x${INITDIR}" != "x" -a "x${INITDDIR}" = "x"; then
   INITDDIR="${INITDIR}/init.d"
fi

AC_SUBST(INITDIR)
AC_SUBST(INITDDIR)
AC_SUBST(RCLEVELS)
AC_SUBST(RCSTART)
AC_SUBST(RCSTOP)

# ======================================
# Check for various pdf required modules
# ======================================
PKG_CHECK_MODULES([LCMS], [lcms2], [lcms2=yes], [lcms2=no])
AS_IF([test x"$lcms2" = "xno"], [
	PKG_CHECK_MODULES([LCMS], [lcms])
	AC_DEFINE([USE_LCMS1], [1], [Defines if use lcms1])
])
PKG_CHECK_MODULES([FREETYPE], [freetype2], [AC_DEFINE([HAVE_FREETYPE_H], [1], [Have FreeType2 include files])])
PKG_CHECK_MODULES([FONTCONFIG], [fontconfig >= 2.0.0])
PKG_CHECK_MODULES([ZLIB], [zlib])
AC_DEFINE([HAVE_LIBZ], [], [Define that we use zlib])
PKG_CHECK_MODULES([LIBQPDF], [libqpdf >= 8.3.0])

# ===============================
# Check for PCLm printing support
# ===============================
AC_ARG_ENABLE([pclm], [AS_HELP_STRING([--enable-pclm], [enable PCLm printing.])],
	[enable_pclm="$enableval"],
	[enable_pclm=yes]
)
if test "x$enable_pclm" != "xno"; then
	AC_DEFINE([QPDF_HAVE_PCLM], [1], [QPDF has PCLm support?])
	QPDF_NO_PCLM=
else
	QPDF_NO_PCLM=\#
fi
AC_SUBST(QPDF_NO_PCLM)



# =================
# Check for Poppler
# =================
AC_ARG_ENABLE(poppler, AS_HELP_STRING([--enable-poppler],[enable Poppler-based filters]),
	      enable_poppler=$enableval,enable_poppler=yes)
AM_CONDITIONAL(ENABLE_POPPLER, test x$enable_poppler = xyes)
if test x$enable_poppler = xyes; then
	PKG_CHECK_MODULES([POPPLER], [poppler-cpp >= 0.19])
	AC_CHECK_HEADER([poppler/cpp/poppler-version.h], [AC_DEFINE([HAVE_CPP_POPPLER_VERSION_H],,[Define if you have Poppler's "cpp/poppler-version.h" header file.])], [])
fi

# ===============
# Check for D-Bus
# ===============
AC_ARG_ENABLE(dbus, AS_HELP_STRING([--enable-dbus],[enable DBus CMS code]),
	      enable_dbus=$enableval,enable_dbus=yes)
AM_CONDITIONAL(BUILD_DBUS, test x$enable_dbus = xyes)
if test x$enable_dbus = xyes; then
	PKG_CHECK_MODULES(DBUS, dbus-1)
fi

# ===================================
# Check for large files and long long
# ===================================
AC_SYS_LARGEFILE
LARGEFILE=""
AS_IF([test x"$enable_largefile" != "xno"], [
	LARGEFILE="-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE"
	AS_IF([test x"$ac_cv_sys_large_files" = "x1"], [LARGEFILE="$LARGEFILE -D_LARGE_FILES"])
	AS_IF([test x"$ac_cv_sys_file_offset_bits" = "x64"], [LARGEFILE="$LARGEFILE -D_FILE_OFFSET_BITS=64"])
])
AC_SUBST(LARGEFILE)

AC_CHECK_TYPE(long long, [long_long_found=yes], [long_long_found=no])
AS_IF([test x"$long_long_found" = "xyes"], [
	AC_DEFINE([HAVE_LONG_LONG], [], [Platform supports long long type])
])

# ================
# Check for Mutool
# ================
AC_ARG_ENABLE([mutool],
	[AS_HELP_STRING([--disable-mutool], [Disable filters using mutool.])],
	[enable_mutool="$enableval"],
	[enable_mutool=yes]
)

AC_ARG_WITH([mutool-path],
	[AS_HELP_STRING([--with-mutool-path=value], [Set path to mutool binary (default: system).])],
	[with_mutool_path="$withval"],
	[with_mutool_path=system]
)

# ================
# Check for pdf2ps
# ================
AC_ARG_ENABLE([ghostscript],
	[AS_HELP_STRING([--disable-ghostscript], [Disable filters using Ghostscript.])],
	[enable_ghostscript="$enableval"],
	[enable_ghostscript=yes]
)
AC_ARG_WITH([pdftops],
	[AS_HELP_STRING([--with-pdftops=value], [Set which pdftops to use (gs,pdftops,pdftocairo,acroread,mupdf,hybrid).])],
	[with_pdftops="$withval"],
	[with_pdftops=hybrid]
)
AS_CASE([x$with_pdftops],
        [xgs|xpdftops|xpdftocairo|xacroread|xmupdf|xhybrid], [],
        [AC_MSG_ERROR([Unknown value of with-pdftops provided: $with_pdftops])]
)
AC_ARG_WITH([gs-path],
	[AS_HELP_STRING([--with-gs-path=value], [Set path to ghostcript binary (default: system).])],
	[with_gs_path="$withval"],
	[with_gs_path=system]
)
AC_ARG_WITH([pdftops-path],
        [AS_HELP_STRING([--with-pdftops-path=value], [Set path to pdftops/ghostscript binary (default: system).])],
        [with_pdftops_path="$withval"],
        [with_pdftops_path=system]
)
AC_ARG_WITH([pdftocairo-path],
        [AS_HELP_STRING([--with-pdftocairo-path=value], [Set path to pdftocairo binary (default: system).])],
        [with_pdftocairo_path="$withval"],
        [with_pdftocairo_path=system]
)
AC_ARG_WITH([acroread-path],
        [AS_HELP_STRING([--with-acroread-path=value], [Set path to acroread binary (default: system).])],
        [with_acroread_path="$withval"],
        [with_acroread_path=system]
)
AC_ARG_WITH([ippfind-path],
        [AS_HELP_STRING([--with-ippfind-path=value], [Set path to ippfind binary (default: system).])],
        [with_ippfind_path="$withval"],
        [with_ippfind_path=system]
)
AC_ARG_WITH([pdftops-maxres],
	[AS_HELP_STRING([--with-pdftops-maxres=value], [Set maximum image rendering resolution for pdftops filter (0, 75, 150, 300, 600, 1200, 2400, 4800, 90, 180, 360, 720, 1440, 2880, 5760, unlimited). Default: 1440])],
	[with_pdftops_maxres="$withval"],
	[with_pdftops_maxres=1440]
)
AS_CASE([x$with_pdftops_maxres],
	[x0|x75|x150|x300|x600|x1200|x2400|x4800|x90|x180|x360|x720|x1440|x2880|x5760], [CUPS_PDFTOPS_MAXRES=$with_pdftops_maxres],
	[xunlimited], [CUPS_PDFTOPS_MAXRES=0],
	[AC_MSG_ERROR([Unknown value of with-pdftops-maxres provided: $with_pdftops])]
)
AC_ARG_ENABLE([gs-ps2write],
	[AS_HELP_STRING([--disable-gs-ps2write], [Ghostscript doesn't support ps2write device.])],
	[enable_gs_ps2write="$enableval"],
	[enable_gs_ps2write=yes]
)

CUPS_GHOSTSCRIPT=""
AS_IF([test "x$enable_ghostscript" != "xyes"], [
       with_gs_path=""
], [
	AS_IF([test "x$with_gs_path" != "xsystem"], [
		CUPS_GHOSTSCRIPT="$with_gs_path"
	], [
		AS_IF([test "x$cross_compiling" = "xyes"], [
			CUPS_GHOSTSCRIPT="gs"
		], [
			AC_CHECK_PROG(CUPS_GHOSTSCRIPT, gs, gs)
		])
	])
	AS_IF([test "x$CUPS_GHOSTSCRIPT" = "x"], [
		AC_MSG_ERROR([Required gs binary is missing. Please install ghostscript-gpl package.])
	])
	AC_DEFINE([HAVE_GHOSTSCRIPT], [], [Define that we provide ghostscript binary])
	AS_IF([test x"$with_pdftops" = xgs], [AC_DEFINE_UNQUOTED([CUPS_PDFTOPS_RENDERER], [GS], [Define default renderer])])

	AS_IF([test x"$enable_gs_ps2write" = "xyes"], [
		AC_DEFINE([HAVE_GHOSTSCRIPT_PS2WRITE], [], [gs supports ps2write])
	])
	AS_IF([test "x$cross_compiling" != "xyes"], [
		AC_MSG_CHECKING(whether gs supports the ps2write device)
		AS_IF([`$CUPS_GHOSTSCRIPT -h 2>&1 | grep -q ps2write`], [
			AC_MSG_RESULT([yes])
			AC_DEFINE([HAVE_GHOSTSCRIPT_PS2WRITE], [], [gs supports ps2write])
		], [
			AC_MSG_RESULT([no])
		])
	])
])
AM_CONDITIONAL(ENABLE_GHOSTSCRIPT, test "x$enable_ghostscript" = xyes)
AC_SUBST(CUPS_GHOSTSCRIPT)

CUPS_MUTOOL=""
AS_IF([test "x$enable_mutool" != "xyes"], [
	with_mutool_path=""
], [
	AS_IF([test "x$with_mutool_path" != "xsystem"], [
		CUPS_MUTOOL="$with_mutool_path"
	], [
		AS_IF([test "x$cross_compiling" = "xyes"], [
			CUPS_MUTOOL="mutool"
		], [
			AC_CHECK_PROG(CUPS_MUTOOL, mutool, mutool)
		])
	])
	AS_IF([test "x$CUPS_MUTOOL" = "x"], [
		AC_MSG_ERROR([Required mutool binary is missing. Please install mutool.])
	])
	AS_IF([test x"$with_pdftops" = xmupdf], [AC_DEFINE_UNQUOTED([CUPS_PDFTOPS_RENDERER], [MUPDF], [Define default renderer])])
])
AM_CONDITIONAL(ENABLE_MUTOOL, test "x$enable_mutool" = xyes)
AC_SUBST(CUPS_MUTOOL)

AS_IF([test "x$with_pdftops_path" != "xsystem"], [
	CUPS_PDFTOPS="$with_pdftops_path"
], [
	AS_IF([test "x$cross_compiling" = "xyes"], [
		CUPS_PDFTOPS="/usr/bin/pdftops"
	], [
		AC_CHECK_PROG(CUPS_PDFTOPS, pdftops, /usr/bin/pdftops)
	])
	AS_IF([test "x$CUPS_PDFTOPS" = "x"], [
		AC_MSG_ERROR([Required pdftops is missing. Please install the pdftops utility of Poppler.])
	])
])
AS_IF([test "x$CUPS_PDFTOPS" != "x"], [
	AC_DEFINE([HAVE_POPPLER_PDFTOPS], [], [Define that we provide poppler pdftops.])
	AS_IF([test x"$with_pdftops" = xpdftops], [AC_DEFINE_UNQUOTED([CUPS_PDFTOPS_RENDERER], [PDFTOPS], [Define default renderer])])

	AS_IF([test "x$cross_compiling" != "xyes"], [
		AC_MSG_CHECKING([whether pdftops supports -origpagesizes])
		AS_IF([`$CUPS_PDFTOPS -h 2>&1 | grep -q -- -origpagesizes`], [
        		AC_MSG_RESULT([yes])
			AC_DEFINE([HAVE_POPPLER_PDFTOPS_WITH_ORIGPAGESIZES], [] , [pdftops supports -origpagesizes.])
		], [
	        	AC_MSG_RESULT([no])
		])
		AC_MSG_CHECKING([whether pdftops supports -r])
		AS_IF([`$CUPS_PDFTOPS -h 2>&1 | grep -q -- '-r '`], [
	        	AC_MSG_RESULT([yes])
			AC_DEFINE([HAVE_POPPLER_PDFTOPS_WITH_RESOLUTION], [] , [pdftops supports -r argument.])
		], [
        		AC_MSG_RESULT([no])
		])
	])
])
AS_IF([test "x$with_pdftocairo_path" != "xsystem"], [
	CUPS_PDFTOCAIRO="$with_pdftocairo_path"
], [
	CUPS_PDFTOCAIRO="pdftocairo"
])
AS_IF([test "x$CUPS_PDFTOCAIRO" != "x"], [
	AS_IF([test x"$with_pdftops" = xpdftocairo], [AC_DEFINE_UNQUOTED([CUPS_PDFTOPS_RENDERER], [PDFTOCAIRO], [Define default renderer])])
], [
	AC_MSG_ERROR([Required pdftocairo is missing. Please install Poppler developer packages.])
])
AS_IF([test "x$with_acroread_path" != "xsystem"], [
	CUPS_ACROREAD="$with_acroread_path"
], [
	CUPS_ACROREAD="acroread"
])
AS_IF([test "x$CUPS_ACROREAD" != "x"], [
	AS_IF([test x"$with_pdftops" = xacroread], [AC_DEFINE_UNQUOTED([CUPS_PDFTOPS_RENDERER], [ACROREAD], [Define default renderer])])
])
AS_IF([test "x$with_ippfind_path" != "xsystem"], [
	CUPS_IPPFIND="$with_ippfind_path"
], [
	CUPS_IPPFIND="ippfind"
])

AS_IF([test "x$CUPS_GHOSTSCRIPT" != "x" -a "x$CUPS_PDFTOPS" != "x"], [
	AS_IF([test x"$with_pdftops" = xhybrid], [AC_DEFINE_UNQUOTED([CUPS_PDFTOPS_RENDERER], [HYBRID], [Define default renderer])])
])

AC_DEFINE_UNQUOTED([CUPS_GHOSTSCRIPT], "$CUPS_GHOSTSCRIPT", [gs binary to use])
AC_DEFINE_UNQUOTED([CUPS_MUTOOL],"$CUPS_MUTOOL",[mutool binary to use])
AC_DEFINE_UNQUOTED([CUPS_POPPLER_PDFTOPS], "$CUPS_PDFTOPS", [pdftops binary to use.])
AC_DEFINE_UNQUOTED([CUPS_POPPLER_PDFTOCAIRO], "$CUPS_PDFTOCAIRO", [pdftocairo binary to use.])
AC_DEFINE_UNQUOTED([CUPS_ACROREAD], "$CUPS_ACROREAD", [acroread binary to use.])
AC_DEFINE_UNQUOTED([CUPS_IPPFIND], "$CUPS_IPPFIND", [ippfind binary to use.])
AC_DEFINE_UNQUOTED([CUPS_PDFTOPS_MAX_RESOLUTION], [$CUPS_PDFTOPS_MAXRES], [max resolution used for pdftops when converting images])

# ==================
# Check for foomatic
# ==================
AC_ARG_ENABLE([foomatic],
	[AS_HELP_STRING([--disable-foomatic], [Disable Foomatic-based filters.])],
	[enable_foomatic="$enableval"],
	[enable_foomatic=yes]
)
AM_CONDITIONAL([ENABLE_FOOMATIC], [test "x$enable_foomatic" = "xyes"])

# =============
# Check for php
# =============
# NOTE: This stuff is broken, requires internal cups headers.
AC_ARG_WITH([php],
	[AS_HELP_STRING([--with-php], [Determine whether to build php cups extension.])],
	[with_php="$withval"],
	[with_php=no]
)
AC_ARG_WITH([php-config],
	[AS_HELP_STRING([--with-php-config=path], [Specify path to php-config executable.])],
	[with_php_config="$withval"],
	[with_php_config=system]
)
AM_CONDITIONAL([WITH_PHP], [test "x$with_php" = "xyes"])
AS_IF([test x"$with_php" = "xyes"], [
	AS_IF([test "x$with_php_config" != "xsystem"], [
		PHPCONFIG=$with_php_config
	], [
		AC_PATH_TOOL(PHPCONFIG, [php-config])
		AS_IF([test -z "$PHPCONFIG"], [
			AC_MSG_ERROR([Required php-config is missing. Please install PHP developer packages.])
		])
	])
	PHPDIR="`$PHPCONFIG --extension-dir`"
	AC_SUBST(PHPDIR)
])

# =========
# Test ARGS
# =========
AC_ARG_WITH([test-font-path],
	[AS_HELP_STRING([--with-test-font-path=value], [Set path to font used for tests (default: /usr/share/fonts/dejavu/DejaVuSans.ttf).])],
	[with_test_font_path="$withval"],
	[with_test_font_path=`( find /usr/share/fonts -name DejaVuSans.ttf; echo /usr/share/fonts/dejavu/DejaVuSans.ttf ) | head -1`]
)

AS_IF([test "x$cross_compiling" != "xyes" && ! test -f "$with_test_font_path"],
	[AC_MSG_ERROR(DejaVuSans.ttf font file is missing. Please install a package providing it.)]
)
AC_DEFINE_UNQUOTED([TESTFONT], ["$with_test_font_path"], [Path to font used in tests])

# ================
# Check for cflags
# ================
AC_ARG_ENABLE([werror],
	[AS_HELP_STRING([--enable-werror], [Treat all warnings as errors, useful for development.])],
	[enable_werror="$enableval"],
	[enable_werror=no]
)
AS_IF([test x"$enable_werror" = "xyes"], [
	CFLAGS="$CFLAGS -Werror"
])
AS_IF([test x"$GCC" = "xyes"], [
	# Be tough with warnings and produce less careless code
	CFLAGS="$CFLAGS -Wall -std=gnu11"
	CXXFLAGS="$CXXFLAGS -Wall " # -Weffc++" # TODO: enable when it does not print 1MB of warnings
])
CFLAGS="$CFLAGS -D_GNU_SOURCE"
CXXFLAGS="$CXXFLAGS -D_GNU_SOURCE"

# ==========================
# Braille embossing/liblouis
# ==========================
AC_ARG_ENABLE(braille, AS_HELP_STRING([--enable-braille],[enable Braille embosing filters, requires liblouis]),
	      enable_braille=$enableval,enable_braille=yes)
AC_MSG_CHECKING(for liblouis)
PKG_CHECK_EXISTS([liblouis], [
	AC_MSG_RESULT(yes)
	if test "x$enable_braille" = xyes; then
		TABLESDIR=`$PKG_CONFIG --variable=tablesdir liblouis`
	else
		TABLESDIR=/usr/share/liblouis/tables
	fi
], [
	AC_MSG_RESULT(no)
	TABLESDIR=/usr/share/liblouis/tables
])
AM_CONDITIONAL(ENABLE_BRAILLE, test "x$enable_braille" = xyes)
AC_SUBST(TABLESDIR)

# ===============================================
# Should we keep generated queues after shutdown?
# ===============================================
AC_ARG_ENABLE(saving-created-queues, AS_HELP_STRING([--enable-saving-created-queues], [enable saving created queues during shutdown]),
	      [SAVING_CREATED_QUEUES=$enableval],[SAVING_CREATED_QUEUES="no"])

AS_IF([test "x$SAVING_CREATED_QUEUES" != "xno"],
      [AC_DEFINE([SAVING_CREATED_QUEUES], [1], [Define whether we save queues during shutdown])]
)

# =========================================
# Local queue naming for remote CUPS queues
# =========================================
AC_ARG_WITH([remote-cups-local-queue-naming],
	[AS_HELP_STRING([--with-remote-cups-local-queue-naming=DNS-SD|MakeModel|RemoteName], [Choose the origin of local queue naming for remote CUPS queues, default based on DNS-SD ID])],
	[case "x$withval" in
		"xMakeModel")
			REMOTE_CUPS_LOCAL_QUEUE_NAMING="MakeModel"
	                AC_DEFINE([NAMING_MAKE_MODEL], [1], [Define that we create local queues for remote CUPS queues based on printer Make-Model])
			;;
		"xRemoteName")
			REMOTE_CUPS_LOCAL_QUEUE_NAMING="RemoteName"
	                AC_DEFINE([NAMING_REMOTE_NAME], [1], [Define that we create local queues for remote CUPS queues based on their print queue name on the server])
			;;
		*)
			REMOTE_CUPS_LOCAL_QUEUE_NAMING="DNS-SD"
	                AC_DEFINE([NAMING_DNSSD], [1], [Define that we create local queues for remote CUPS queues based on DNS-SD name])
			;;
	esac],
	[REMOTE_CUPS_LOCAL_QUEUE_NAMING="DNS-SD"
	 AC_DEFINE([NAMING_DNSSD], [1], [Define that we create local queues for remote CUPS queues based on DNS-SD name])]
)

# =========================================================
# Select a different shell instead of the default /bin/bash
# =========================================================
AC_ARG_WITH([shell],
	[AS_HELP_STRING([--with-shell=path], [Specify path for a modern shell.])],
	[with_shell="$withval"],
	[with_shell="/bin/bash"]
)
AC_DEFINE_UNQUOTED([SHELL], "$with_shell", [Path for a modern shell])

# =====================
# Prepare all .in files
# =====================
AC_CONFIG_FILES([
	libcupsfilters.pc
	libfontembed.pc
	Makefile
	utils/cups-browsed
	utils/cups-browsed.conf
	filter/foomatic-rip/foomatic-rip.1
	filter/braille/drivers/index/indexv4.sh
	filter/braille/drivers/index/indexv3.sh
	filter/braille/drivers/index/index.sh
	filter/braille/drivers/index/textbrftoindexv3
	filter/braille/drivers/index/imageubrltoindexv3
	filter/braille/drivers/index/imageubrltoindexv4
	filter/braille/drivers/generic/brftoembosser
	filter/braille/filters/cups-braille.sh
	filter/braille/filters/imagetobrf
	filter/braille/filters/texttobrf
	filter/braille/filters/brftopagedbrf
	filter/braille/filters/vectortopdf
	filter/braille/filters/vectortobrf
	filter/braille/filters/musicxmltobrf
	filter/braille/filters/liblouis1.defs.gen
	mime/cupsfilters.convs
])
AC_CONFIG_COMMANDS([executable-scripts], [
	chmod +x filter/braille/filters/liblouis1.defs.gen
])
AC_OUTPUT

# ==============================================
# Display final informations about configuration
# ==============================================
AC_MSG_NOTICE([
==============================================================================
Environment settings:
	CFLAGS:                                    ${CFLAGS}
	CXXFLAGS:                                  ${CXXFLAGS}
	LDFLAGS:                                   ${LDFLAGS}
Build configuration:
	cups-config:     ${with_cups_config}
	font directory:  ${sysconfdir}/${FONTDIR}
	foomatic:        ${enable_foomatic}
	init directory:  ${INITDDIR}
	cups dom socket: ${CUPS_DEFAULT_DOMAINSOCKET}
	poppler:         ${enable_poppler}
	ghostscript:     ${enable_ghostscript}
	gs-path:         ${with_gs_path}
	mutool:          ${enable_mutool}
	mutool-path:     ${with_mutool_path}
	ippfind-path:    ${with_ippfind_path}
	imagefilters:    ${enable_imagefilters}
	jpeg:            ${with_jpeg}
	pdftocairo-path: ${with_pdftocairo_path}
	pdftops:         ${with_pdftops}
	pdftops-path:    ${with_pdftops_path}
	png:             ${with_png}
	php:             ${with_php}
	php-config:      ${with_php_config}
	shell:           ${with_shell}
	test-font:       ${with_test_font_path}
	tiff:            ${with_tiff}
	avahi:           ${enable_avahi}
	dbus:            ${enable_dbus}
	browsing:        ${with_browseremoteprotocols}
	werror:          ${enable_werror}
	braille:	 ${enable_braille}
	braille tables:  ${TABLESDIR}
	driverless:      ${enable_driverless}
	apple-raster:    ${APPLE_RASTER_FILTER}
	pclm:            ${enable_pclm}
	local queue naming for remote CUPS queues: ${REMOTE_CUPS_LOCAL_QUEUE_NAMING}
	keep generated queues during shutdown:     ${SAVING_CREATED_QUEUES}
	all ipp printer auto-setup: ${enable_auto_setup_all}
	only driverless auto-setup: ${enable_auto_setup_driverless_only}
	only local auto-setup: ${enable_auto_setup_local_only}
==============================================================================
])