AC_INIT([libisoburn], [0.0.1], [http://libburnia-project.org])
AC_PREREQ([2.50])
dnl AC_CONFIG_HEADER([config.h])	

AC_CANONICAL_HOST
AC_CANONICAL_TARGET

AM_INIT_AUTOMAKE([subdir-objects])

dnl The API version codes are now defined in libisoburn/libisoburn.h
dnl #define  isoburn_header_version_*
dnl configure.ac only rules the libtool revision numbering about
dnl LT_CURREN, LT_AGE, LT_REVISION where SONAME becomes LT_CURRENT - LT_AGE
dnl 
dnl These three are only copies to provide libtool with unused LT_RELEASE
ISOBURN_MAJOR_VERSION=0
ISOBURN_MINOR_VERSION=0
ISOBURN_MICRO_VERSION=1
dnl ISOBURN_VERSION=$ISOBURN_MAJOR_VERSION.$ISOBURN_MINOR_VERSION.$ISOBURN_MICRO_VERSION
 
AC_SUBST(ISOBURN_MAJOR_VERSION)
AC_SUBST(ISOBURN_MINOR_VERSION)
AC_SUBST(ISOBURN_MICRO_VERSION)
dnl AC_SUBST(ISOBURN_VERSION)

dnl Libtool versioning
dnl Generate libisoburn.so.1.0.0
dnl SONAME will become LT_CURRENT - LT_AGE
dnl
LT_RELEASE=$ISOBURN_MAJOR_VERSION.$ISOBURN_MINOR_VERSION
LT_CURRENT=1
LT_AGE=0
LT_REVISION=0
LT_CURRENT_MINUS_AGE=`expr $LT_CURRENT - $LT_AGE`

AC_SUBST(LT_RELEASE)
AC_SUBST(LT_CURRENT)
AC_SUBST(LT_REVISION)
AC_SUBST(LT_AGE)
AC_SUBST(LT_CURRENT_MINUS_AGE)

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

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

AC_PROG_INSTALL

AC_CHECK_HEADERS()

THREAD_LIBS=-lpthread
AC_SUBST(THREAD_LIBS)

TARGET_SHIZZLE
AC_SUBST(ARCH)
AC_SUBST(LIBBURN_ARCH_LIBS)


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"
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= )
AC_SUBST(READLINE_DEF)


dnl >>> How to check for proper library versions ?
dnl >>> would need libburn-0.4.2 or higher .so.4
dnl >>> would need libisofs-0.6.1 or higher .so.6
AC_CHECK_HEADER(libburn/libburn.h)
AC_CHECK_HEADER(libisofs/libisofs.h)

dnl Check for proper library versions
LIBBURN_REQUIRED=0.4.2
LIBISOFS_REQUIRED=0.6.1
PKG_CHECK_MODULES(LIBBURN, libburn-1 >= $LIBBURN_REQUIRED)
PKG_CHECK_MODULES(LIBISOFS, libisofs-1 >= $LIBISOFS_REQUIRED)

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
	libisoburn-1.pc
	])
AC_OUTPUT