dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.52)
AC_INIT(pslib, 0.4.1, http://sourceforge.net/projects/pslib)
AC_CONFIG_SRCDIR(src/pslib.c)
AM_INIT_AUTOMAKE(AC_PACKAGE_NAME, AC_PACKAGE_VERSION)

AM_CONFIG_HEADER(config.h)
AM_MAINTAINER_MODE

AC_PROG_INTLTOOL

AC_CANONICAL_HOST

LIBPS_MAJOR_VERSION=0
LIBPS_MINOR_VERSION=4
LIBPS_MICRO_VERSION=1
LIBPS_VERSION=$LIBPS_MAJOR_VERSION.$LIBPS_MINOR_VERSION.$LIBPS_MICRO_VERSION
LIBPS_VERSION_INFO=`expr $LIBPS_MAJOR_VERSION + $LIBPS_MINOR_VERSION`:$LIBPS_MICRO_VERSION:$LIBPS_MINOR_VERSION

AC_SUBST(LIBPS_MAJOR_VERSION)
AC_SUBST(LIBPS_MINOR_VERSION)
AC_SUBST(LIBPS_MICRO_VERSION)
AC_SUBST(LIBPS_VERSION)
AC_SUBST(LIBPS_VERSION_INFO)

VERSION=${LIBPS_VERSION}

dnl Checks for programs.
AC_PROG_CC
AC_PROG_INSTALL
dnl AC_PROG_CPP
AC_PATH_PROG(RM, rm, /bin/rm)
AC_PATH_PROG(MV, mv, /bin/mv)
AC_PATH_PROG(TAR, tar, /bin/tar)

dnl Add the languages which your application supports here.
ALL_LINGUAS="de"
AM_GLIB_GNU_GETTEXT
GETTEXT_PACKAGE=pslib
AC_SUBST(GETTEXT_PACKAGE)
AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE, "$GETTEXT_PACKAGE", GETTEXT_PACKAGE)

AC_PROG_LIBTOOL

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_BIGENDIAN
AC_STRUCT_TM

dnl Checks for header files.
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_CHECK_HEADERS(fcntl.h unistd.h ctype.h dirent.h errno.h malloc.h)
AC_CHECK_HEADERS(stdarg.h sys/stat.h sys/types.h time.h)
AC_CHECK_HEADERS(ieeefp.h nan.h math.h float.h)
AC_CHECK_HEADERS(stdlib.h sys/socket.h)
AC_CHECK_HEADERS(sys/time.h sys/select.h sys/mman.h)
AC_CHECK_HEADERS(byteswap.h)

dnl Checks for library functions.
AC_FUNC_STRFTIME
AC_CHECK_FUNCS(strdup strndup strerror snprintf)
AC_CHECK_FUNCS(finite isnand fp_class class fpclass)
AC_CHECK_FUNCS(strftime localtime)

dnl Checks for inet libraries:
AC_CHECK_FUNC(gethostent, , AC_CHECK_LIB(nsl, gethostent))
AC_CHECK_FUNC(setsockopt, , AC_CHECK_LIB(socket, setsockopt))
AC_CHECK_FUNC(connect, , AC_CHECK_LIB(inet, connect))

dnl Determine what socket length (socklen_t) data type is
AC_MSG_CHECKING([for type of socket length (socklen_t)])

dnl Checks for isnan in libm if not in libc
dnl AC_CHECK_FUNC(isnan, , AC_CHECK_LIB(m, isnan,
dnl   [M_LIBS="-lm"; AC_DEFINE(HAVE_ISNAN)]))

dnl AC_CHECK_FUNC(isinf, , AC_CHECK_LIB(m, isinf,
dnl   [M_LIBS="-lm"; AC_DEFINE(HAVE_ISINF)]))

AC_CHECK_PROG(DOC_TO_MAN, docbook-to-man, docbook-to-man)
if test ! "$DOC_TO_MAN" ; then
  DOCDIR=""
	AC_MSG_RESULT([docbook-to-man could not be found. I will not build man pages!]) 
else
	DOCDIR=doc
fi

dnl AM_PATH_LIBHNJ
LIBHNJ_CFLAGS=
LIBHNJ_LIBS=
AC_SUBST(LIBHNJ_CFLAGS)
AC_SUBST(LIBHNJ_LIBS)

PNG_PREFIX=no
AC_ARG_WITH(png, [  --with-png=DIR          Path to png library (/usr)])
case "${withval}" in
 	no)
		echo "Disabled support for png images on users request" ;;
 	*)
 		for i in ${withval} /usr /usr/local ; do
 			if test -r $i/include/png.h ; then
 				PNG_LIBDIR=-L$i/lib
 				PNG_INCLUDEDIR=-I$i/include
 				PNG_PREFIX=$i
 				break
			fi
 		done ;;
esac
 
if test "${PNG_PREFIX}" != "no" ; then
	AC_CHECK_LIB(png, png_read_image,
 		[
		HAVE_PNGLIB=1;
		PNG_LIBS=-lpng;
		AC_DEFINE(HAVE_LIBPNG, 1, "Support for png images")
		],
		[AC_MSG_RESULT([libpng not found. I will compile without png support.]); HAVE_PNGLIB=0],
		"$PNG_LIBDIR")
fi

JPEG_PREFIX=no
AC_ARG_WITH(jpeg, [  --with-jpeg=DIR         Path to jpeg library (/usr)])
case "${withval}" in
 	no)
		echo "Disabled support for jpeg images on users request" ;;
 	*)
 		for i in ${withval} /usr /usr/local ; do
 			if test -r $i/include/jpeglib.h ; then
 				JPEG_LIBDIR=-L$i/lib
 				JPEG_INCLUDEDIR=-I$i/include
 				JPEG_PREFIX=$i
 				break
			fi
 		done ;;
esac
 
if test "${JPEG_PREFIX}" != "no" ; then
	AC_CHECK_LIB(jpeg, jpeg_read_header,
 		[
		HAVE_JPEGLIB=1;
		JPEG_LIBS=-ljpeg;
		AC_DEFINE(HAVE_LIBJPEG, 1, "Support for jpeg images")
		],
		[AC_MSG_RESULT([libjpeg not found. I will compile without jpeg support.]); HAVE_JPEGLIB=0],
		"$JPEG_LIBDIR")
fi

GIF_PREFIX=no
AC_ARG_WITH(gif, [  --with-gif=DIR          Path to gif library (/usr)])
case "${withval}" in
 	no)
		echo "Disabled support for gif images on users request" ;;
 	*)
 		for i in ${withval} /usr /usr/local ; do
 			if test -r $i/include/gif_lib.h ; then
 				GIF_LIBDIR=-L$i/lib
 				GIF_INCLUDEDIR=-I$i/include
 				GIF_PREFIX=$i
 				break
			fi
 		done ;;
esac
 
if test "${GIF_PREFIX}" != "no" ; then
	AC_CHECK_LIB(ungif, DGifOpenFileName,
 		[
		HAVE_GIFLIB=1;
		GIF_LIBS=-lungif;
		AC_DEFINE(HAVE_LIBGIF, 1, "Support for gif images")
		],
		[AC_MSG_RESULT([libungif not found. I will compile without gif support.]); HAVE_GIFLIB=0],
		"$GIF_LIBDIR")
fi

TIFF_PREFIX=no
AC_ARG_WITH(tiff, [  --with-tiff=DIR         Path to tiff library (/usr)])
case "${withval}" in
 	no)
		echo "Disabled support for tiff images on users request" ;;
 	*)
 		for i in ${withval} /usr /usr/local ; do
 			if test -r $i/include/tiffio.h ; then
 				TIFF_LIBDIR=-L$i/lib
 				TIFF_INCLUDEDIR=-I$i/include
 				TIFF_PREFIX=$i
 				break
			fi
 		done ;;
esac
 
if test "${TIFF_PREFIX}" != "no" ; then
	AC_CHECK_LIB(tiff, TIFFOpen,
 		[
		HAVE_TIFFLIB=1;
		TIFF_LIBS=-ltiff;
		AC_DEFINE(HAVE_LIBTIFF, 1, "Support for tiff images")
		],
		[AC_MSG_RESULT([libtiff not found. I will compile without tiff support.]); HAVE_TIFFLIB=0],
		"$TIFF_LIBDIR")
fi

AC_ARG_ENABLE(bmp, [  --disable-bmp           Disable support for BMP (on)])
if test "$enableval" = "no" ; then
    echo Disabling BMP support
		AC_DEFINE(DISABLE_BMP, 1, "Support for bmp images")
fi

dnl
dnl Extra flags
dnl
PS_CFLAGS=""

AC_ARG_WITH(debug, [  --with-debug            Add the debugging module (on)])
if test "$with_debug" = "no" ; then
    echo Disabling DEBUG support
    WITH_DEBUG=0
    DEBUG_OBJ=
else    
    WITH_DEBUG=1
    DEBUG_OBJ=debugPS.o
fi

AC_SUBST(INT32_T)

AC_SUBST(WITH_DEBUG)
AC_SUBST(DEBUG_OBJ)

AC_SUBST(CFLAGS)
AC_SUBST(PS_CFLAGS)

AC_SUBST(PNG_LIBDIR)
AC_SUBST(PNG_LIBS)
AC_SUBST(PNG_INCLUDEDIR)

AC_SUBST(JPEG_LIBDIR)
AC_SUBST(JPEG_LIBS)
AC_SUBST(JPEG_INCLUDEDIR)

AC_SUBST(GIF_LIBDIR)
AC_SUBST(GIF_LIBS)
AC_SUBST(GIF_INCLUDEDIR)

AC_SUBST(TIFF_LIBDIR)
AC_SUBST(TIFF_LIBS)
AC_SUBST(TIFF_INCLUDEDIR)

AC_SUBST(HTML_DIR)
dnl AC_SUBST(HAVE_ISNAN)
dnl AC_SUBST(HAVE_ISINF)

dnl AC_SUBST(M_LIBS)

AC_SUBST(DOCDIR)
AC_SUBST(DOC_TO_MAN)

dnl AC_DEFINE_UNQUOTED(LIBPS_MAJOR_VERSION, ${LIBPS_MAJOR_VERSION})
dnl AC_DEFINE_UNQUOTED(LIBPS_MINOR_VERSION, ${LIBPS_MINOR_VERSION})
dnl AC_DEFINE_UNQUOTED(LIBPS_MICRO_VERSION, ${LIBPS_MICRO_VERSION})

AC_OUTPUT([
Makefile
pslib.spec
libps.pc
doc/Makefile
include/Makefile
data/Makefile
src/Makefile
src/ght_hash_table.h
po/Makefile.in
include/libps/psversion.h
])

echo
echo "Configuration:"
echo "  Prefix:     $prefix"
echo