dnl library version info
m4_define([burn_interface_age], [0])
m4_define([burn_binary_age], [0])

dnl version info
m4_define([burn_major_version], [0])
m4_define([burn_minor_version], [2])
m4_define([burn_micro_version], [6])
m4_define([burn_nano_version], [3])
m4_define([burn_version], [burn_major_version().burn_minor_version().burn_micro_version()ifelse(burn_nano_version(), [], [], [.burn_nano_version()])])

AC_INIT([libburn], [burn_version], [http://libburnia.pykix.org])
AC_PREREQ([2.50])
dnl AC_CONFIG_HEADER([config.h])	

AC_CANONICAL_HOST()
AC_CANONICAL_TARGET()

AM_INIT_AUTOMAKE([subdir-objects])

dnl A61101 This breaks Linux build (makes 32 bit off_t)
dnl        http://sourceware.org/autobook/autobook/autobook_96.html says
dnl        one must include some config.h and this was a pitfall.
dnl        So why dig the pit at all ?
dnl AM_CONFIG_HEADER(config.h)

dnl Making releases:
dnl   BURN_MICRO_VERSION += 1;
dnl   BURN_INTERFACE_AGE += 1;
dnl   BURN_BINARY_AGE += 1;
dnl if any functions have been added, set BURN_INTERFACE_AGE to 0.
dnl if backwards compatibility has been broken,
dnl set BURN_BINARY_AGE and BURN_INTERFACE_AGE to 0.
dnl
dnl if MAJOR or MINOR version changes, be sure to change AC_INIT above to match
dnl
BURN_MAJOR_VERSION=burn_major_version()
BURN_MINOR_VERSION=burn_minor_version()
BURN_MICRO_VERSION=burn_micro_version()
BURN_INTERFACE_AGE=burn_interface_age()
BURN_BINARY_AGE=burn_binary_age()

AC_SUBST([BURN_MAJOR_VERSION])
AC_SUBST([BURN_MINOR_VERSION])
AC_SUBST([BURN_MICRO_VERSION])

dnl Libtool versioning
LT_CURRENT=`expr $BURN_MICRO_VERSION - $BURN_INTERFACE_AGE`
LT_REVISION=$BURN_INTERFACE_AGE
LT_AGE=`expr $BURN_BINARY_AGE - $BURN_INTERFACE_AGE`

LT_VERSION_INFO=$LT_CURRENT:$LT_REVISION:$LT_AGE
AC_SUBST([LT_VERSION_INFO])

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

THREAD_LIBS=-lpthread
AC_SUBST([THREAD_LIBS])

TARGET_SHIZZLE
AC_SUBST([ARCH])
AC_SUBST([LIBBURN_ARCH_LIBS])

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

AC_CONFIG_FILES([
	Makefile
	doc/doxygen.conf
	version.h
	libburn-1.pc
	])
AC_OUTPUT()