# configure.ac stems from xorriso/configure_ac.txt and leads to ./configure
# Copyright (c) 2007 - 2010 Thomas Schmitt <scdbackup@gmx.net>
# Provided under GPL version 2 or later.

AC_INIT([xorriso], [0.5.3], [http://libburnia-project.org])
AC_PREREQ([2.50])
dnl AC_CONFIG_HEADER([config.h])	

AC_CANONICAL_HOST
AC_CANONICAL_TARGET

LIBBURNIA_SET_FLAGS

AM_INIT_AUTOMAKE([subdir-objects])

BURN_MAJOR_VERSION=0
BURN_MINOR_VERSION=8
BURN_MICRO_VERSION=1
AC_SUBST(BURN_MAJOR_VERSION)
AC_SUBST(BURN_MINOR_VERSION)
AC_SUBST(BURN_MICRO_VERSION)

LIBISOFS_MAJOR_VERSION=0
LIBISOFS_MINOR_VERSION=6
LIBISOFS_MICRO_VERSION=31
AC_SUBST(LIBISOFS_MAJOR_VERSION)
AC_SUBST(LIBISOFS_MINOR_VERSION)
AC_SUBST(LIBISOFS_MICRO_VERSION)

dnl The API version codes are defined in libisoburn/libisoburn.h
dnl #define  isoburn_header_version_*


AC_PREFIX_DEFAULT([/usr/local])
test "$prefix" = "NONE" && prefix=$ac_default_prefix

AM_MAINTAINER_MODE

AM_PROG_CC_C_O
AC_C_CONST
AC_C_INLINE
AC_C_BIGENDIAN

dnl Large file support
AC_SYS_LARGEFILE
AC_FUNC_FSEEKO
AC_CHECK_FUNC([fseeko])
if test ! $ac_cv_func_fseeko; then
   AC_ERROR([Libburn requires largefile support.])
fi

if test x$XORRISO_OLD_ICONV_CONFIGURE = x
then

dnl ts B00410 : To detect the need for -liconv and const argument of iconv()
LIBBURNIA_CHECK_ICONV
dnl ts B00411 : To abort configuration if iconv() still cannot be compiled
LIBBURNIA_ASSERT_ICONV

else

dnl Outdated: produces double -liconv and warnings about parameter mismatch
dnl If iconv(3) is in an extra libiconv, then it gets added to variable LIBS.
dnl If not, then no -liconv will be added.
AC_CHECK_LIB(iconv, iconv, , )
dnl GNU iconv has no function iconv() but libiconv() and a macro iconv()
AC_CHECK_LIB(iconv, libiconv, , )

fi

AC_PROG_LIBTOOL
AC_SUBST(LIBTOOL_DEPS)
LIBTOOL="$LIBTOOL --silent"

AC_PROG_INSTALL

AC_CHECK_HEADERS()

AC_CHECK_MEMBER([struct tm.tm_gmtoff],
	[AC_DEFINE(HAVE_TM_GMTOFF, 1,
		[Define this if tm structure includes a tm_gmtoff entry.])],
	,
	[#include <time.h>])

dnl Check if non standard timegm() function is available
AC_CHECK_DECL([timegm],
        [AC_DEFINE(HAVE_TIMEGM, 1, [Define this if timegm function is available])],
        ,
        [#include <time.h>])

dnl Check if non standard eaccess() function is available
AC_CHECK_DECL([eaccess],
        [AC_DEFINE(HAVE_EACCESS, 1, [Define this if eaccess function is available])],
        ,
        [#include <unistd.h>])

THREAD_LIBS=-lpthread
AC_SUBST(THREAD_LIBS)

TARGET_SHIZZLE
AC_SUBST(ARCH)
AC_SUBST(LIBBURNIA_PKGCONFDIR)
AC_SUBST(LIBBURN_ARCH_LIBS)

dnl ts A90303
dnl Check the preconditions for using statvfs() in sg-dummy
dnl (sg-linux and sg-freebsd use statvfs() unconditionally)
STATVFS_DEF=-DLibburn_os_has_statvfS
AC_CHECK_HEADER(sys/statvfs.h, X=, STATVFS_DEF=)
AC_CHECK_FUNC([statvfs], X=, STATVFS_DEF=)
CFLAGS="$CFLAGS $STATVFS_DEF"


dnl Add compiler-specific flags

dnl See if the user wants aggressive optimizations of the code
AC_ARG_ENABLE(debug,
[  --enable-debug          Disable aggressive optimizations [default=yes]],
              , enable_debug=yes)
if test x$enable_debug != xyes; then
    if test x$GCC = xyes; then
        CFLAGS="$CFLAGS -O3"
        CFLAGS="$CFLAGS -fexpensive-optimizations"
    fi
    CFLAGS="$CFLAGS -DNDEBUG"
else
    if test x$GCC = xyes; then
        CFLAGS="$CFLAGS -g -pedantic -Wall"
    fi
    CFLAGS="$CFLAGS -DDEBUG"
fi


dnl Determine target directory for libisoburn-*.pc
dnl Important: Must be performed _after_ TARGET_SHIZZLE
dnl
LIBBURNIA_SET_PKGCONFIG


AC_ARG_ENABLE(libreadline,
[  --enable-libreadline    Enable use of libreadline by xorriso, default=yes],
               , enable_libreadline=yes)
if test x$enable_libreadline = xyes; then
dnl Check whether there is readline-devel and readline-runtime.
dnl If not, erase this macro which would enable use of readline(),add_history()
    READLINE_DEF="-DXorriso_with_readlinE"

    if test x$XORRISO_OLD_READLINE_CONFIGURE = x
    then

dnl ts B00411 : To disable readline if not all needed functions are present
        LIBBURNIA_ASSERT_READLINE

    else
dnl The empty yes case obviously causes -lreadline to be linked
        AC_CHECK_HEADER(readline/readline.h, AC_CHECK_LIB(readline, readline, , READLINE_DEF= ), READLINE_DEF= )
dnl The X= in the yes case prevents that -lreadline gets linked twice
        AC_CHECK_HEADER(readline/history.h, AC_CHECK_LIB(readline, add_history, X= , READLINE_DEF= ), READLINE_DEF= )

    fi
else
    READLINE_DEF=
fi
AC_SUBST(READLINE_DEF)


AC_ARG_ENABLE(libacl,
[  --enable-libacl         Enable use of libacl by libisofs, default=yes],
               , enable_libacl=yes)
if test x$enable_libacl = xyes; then
dnl Check whether there is libacl-devel and libacl-runtime.
dnl If not, erase this macro which would enable use of acl_to_text and others
    LIBACL_DEF="-DLibisofs_with_aaip_acL"
dnl The empty yes case obviously causes -lacl to be linked
    AC_CHECK_HEADER(sys/acl.h, AC_CHECK_LIB(acl, acl_to_text, , LIBACL_DEF= ), LIBACL_DEF= )
else
    LIBACL_DEF=
fi
AC_SUBST(LIBACL_DEF)


AC_ARG_ENABLE(xattr,
[  --enable-xattr          Enable use of xattr by libisofs, default=yes],
               , enable_xattr=yes)
if test x$enable_xattr = xyes; then
dnl Check whether there is the header for GNU/Linux xattr.
dnl If not, erase this macro which would enable use of listxattr and others
    XATTR_DEF="-DLibisofs_with_aaip_xattR"
    AC_CHECK_HEADER(attr/xattr.h, AC_CHECK_LIB(c, listxattr, X= , XATTR_DEF= ), XATTR_DEF= )
else
    XATTR_DEF=
fi
AC_SUBST(XATTR_DEF)


AC_ARG_ENABLE(zlib,
[  --enable-zlib           Enable use of zlib by libisofs, default=yes],
               , enable_zlib=yes)
if test x$enable_zlib = xyes; then
dnl Check whether there is the header for zlib.
dnl If not, erase this macro which would enable use of compress2() and others.
dnl Linking fails on SuSE 9.0 because zlib has compress2() but lacks 
dnl compressBound(). So compressBound is the more modern thing to test.
dnl The empty parameter after "compressBound" causes -lz.
    ZLIB_DEF="-DLibisofs_with_zliB"
    AC_CHECK_HEADER(zlib.h, AC_CHECK_LIB(z, compressBound, , ZLIB_DEF= ), ZLIB_DEF= )
else
    ZLIB_DEF=
fi
AC_SUBST(ZLIB_DEF)


AC_ARG_ENABLE(libcdio,
[  --enable-libcdio         Enable EXPERIMENTAL use of libcdio as system adapter, default=no],
               , enable_libcdio=no)
if test x$enable_libcdio = xyes; then
dnl Check whether there is libcdio-devel and libcdio-runtime.
dnl If not, erase this macro
    LIBCDIO_DEF="-DLibburn_use_libcdiO"
dnl The empty yes case obviously causes -lcdio to be linked
    AC_CHECK_HEADER(cdio/cdio.h, AC_CHECK_LIB(cdio, mmc_last_cmd_sense, , LIBCDIO_DEF= ), LIBCDIO_DEF= )
else
    LIBCDIO_DEF=
fi
if test x$LIBCDIO_DEF = x
then
    if test x$enable_libcdio = xyes
    then
      echo "WARNING: could not enable use of libcdio as system adapter"
    fi
else
    echo "enabled  EXPERIMENTAL use of libcdio as system adapter"

    LIBCDIO_REQUIRED=0.83
    PKG_CHECK_MODULES(LIBCDIO, libcdio >= $LIBCDIO_REQUIRED)
fi
AC_SUBST(LIBCDIO_DEF)


AC_ARG_ENABLE(external-filters,
[  --enable-external-filters   Enable use of external filter programs by xorriso, default=yes],
               , enable_external_filters=yes)
if test x"$enable_external_filters" = xyes; then
    EXTF_DEF="-DXorriso_allow_external_filterS"
    echo "enabled  xorriso external filter programs"
else
    EXTF_DEF=
    echo "disabled xorriso external filter programs"
fi
AC_SUBST(EXTF_DEF)

AC_ARG_ENABLE(external-filters-setuid,
[  --enable-external-filters-setuid   Enable xorriso external filter programs under setuid, default=no],
               , enable_external_filters_setuid=no)
if test x$enable_external_filters_setuid = xyes; then
    EXTF_SUID_DEF="-DXorriso_allow_extf_suiD"
    echo "enabled  xorriso external filter programs under setuid"
else
    EXTF_SUID_DEF=
    echo "disabled xorriso external filter programs under setuid"
fi
AC_SUBST(EXTF_SUID_DEF)

AC_ARG_ENABLE(dvd-obs-64k,
[  --enable-dvd-obs-64k         64 KB default size for DVD/BD writing, default=no],
               , enable_dvd_obs=no)
if test x$enable_dvd_obs_64k = xyes; then
    XORRISO_DVD_OBS_64K="-DXorriso_dvd_obs_default_64K"
    echo "enabled  xorriso write size default 64 KB on DVD and BD"
else
    XORRISO_DVD_OBS_64K=
    echo "disabled xorriso write size default 64 KB on DVD and BD"
fi
AC_SUBST(XORRISO_DVD_OBS_64K)

AC_ARG_ENABLE(track-src-odirect,
[  --enable-track-src-odirect   Enable use of O_DIRECT with -as cdrskin, default=no],
               , enable_track_src_odirect=no)
if test x$enable_track_src_odirect = xyes; then
    LIBBURN_O_DIRECT_DEF="-DLibburn_read_o_direcT"
    echo "enabled  use of O_DIRECT with input of -as cdrskin"
else
    LIBBURN_O_DIRECT_DEF=
    echo "disabled use of O_DIRECT with input of -as cdrskin"
fi
AC_SUBST(LIBBURN_O_DIRECT_DEF)

AC_CONFIG_FILES([
	Makefile
	version.h
	])
AC_OUTPUT

#	xorriso.pc