File: libodraw.m4

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dnl Functions for libodraw
dnl
dnl Version: 20120630

dnl Function to detect if libodraw is available
dnl ac_libodraw_dummy is used to prevent AC_CHECK_LIB adding unnecessary -l<library> arguments
AC_DEFUN([AX_LIBODRAW_CHECK_LIB],
 [dnl Check if parameters were provided
 AS_IF(
  [test "x$ac_cv_with_libodraw" != x && test "x$ac_cv_with_libodraw" != xno && test "x$ac_cv_with_libodraw" != xauto-detect],
  [AS_IF(
   [test -d "$ac_cv_with_libodraw"],
   [CFLAGS="$CFLAGS -I${ac_cv_with_libodraw}/include"
   LDFLAGS="$LDFLAGS -L${ac_cv_with_libodraw}/lib"],
   [AC_MSG_WARN([no such directory: $ac_cv_with_libodraw])
   ])
  ])

 AS_IF(
  [test "x$ac_cv_with_libodraw" = xno],
  [ac_cv_libodraw=no],
  [dnl Check for a pkg-config file
  AS_IF(
   [test "x$cross_compiling" != "xyes" && test "x$PKGCONFIG" != "x"],
   [PKG_CHECK_MODULES(
    [libodraw],
    [libodraw >= 20120630],
    [ac_cv_libodraw=yes],
    [ac_cv_libodraw=no])
   ])

  AS_IF(
   [test "x$ac_cv_libodraw" = xyes],
   [ac_cv_libodraw_CPPFLAGS="$pkg_cv_libodraw_CFLAGS"
   ac_cv_libodraw_LIBADD="$pkg_cv_libodraw_LIBS"],
   [dnl Check for headers
   AC_CHECK_HEADERS([libodraw.h])
 
   AS_IF(
    [test "x$ac_cv_header_libodraw_h" = xno],
    [ac_cv_libodraw=no],
    [dnl Check for the individual functions
    ac_cv_libodraw=yes
    AC_CHECK_LIB(
     odraw,
     libodraw_get_version,
     [ac_cv_libodraw_dummy=yes],
     [ac_cv_libodraw=no])
  
    dnl Handle functions
    AC_CHECK_LIB(
     odraw,
     libodraw_handle_initialize,
     [ac_cv_libodraw_dummy=yes],
     [ac_cv_libodraw=no])
    AC_CHECK_LIB(
     odraw,
     libodraw_handle_free,
     [ac_cv_libodraw_dummy=yes],
     [ac_cv_libodraw=no])
    AC_CHECK_LIB(
     odraw,
     libodraw_handle_signal_abort,
     [ac_cv_libodraw_dummy=yes],
     [ac_cv_libodraw=no])
    AC_CHECK_LIB(
     odraw,
     libodraw_handle_open,
     [ac_cv_libodraw_dummy=yes],
     [ac_cv_libodraw=no])
    AC_CHECK_LIB(
     odraw,
     libodraw_handle_open_data_files,
     [ac_cv_libodraw_dummy=yes],
     [ac_cv_libodraw=no])
    AC_CHECK_LIB(
     odraw,
     libodraw_handle_close,
     [ac_cv_libodraw_dummy=yes],
     [ac_cv_libodraw=no])
    AC_CHECK_LIB(
     odraw,
     libodraw_handle_read_buffer,
     [ac_cv_libodraw_dummy=yes],
     [ac_cv_libodraw=no])
    AC_CHECK_LIB(
     odraw,
     libodraw_handle_seek_offset,
     [ac_cv_libodraw_dummy=yes],
     [ac_cv_libodraw=no])
  
    AS_IF(
     [test "x$ac_cv_enable_wide_character_type" != xno],
     [AC_CHECK_LIB(
      odraw,
      libodraw_handle_open_wide,
      [ac_cv_libodraw_dummy=yes],
      [ac_cv_libodraw=no])
     ])
  
    AC_CHECK_LIB(
     odraw,
     libodraw_handle_get_bytes_per_sector,
     [ac_cv_libodraw_dummy=yes],
     [ac_cv_libodraw=no])
    AC_CHECK_LIB(
     odraw,
     libodraw_handle_get_data_file,
     [ac_cv_libodraw_dummy=yes],
     [ac_cv_libodraw=no])
    AC_CHECK_LIB(
     odraw,
     libodraw_handle_get_media_size,
     [ac_cv_libodraw_dummy=yes],
     [ac_cv_libodraw=no])
    AC_CHECK_LIB(
     odraw,
     libodraw_handle_get_number_of_data_files,
     [ac_cv_libodraw_dummy=yes],
     [ac_cv_libodraw=no])
    AC_CHECK_LIB(
     odraw,
     libodraw_handle_get_number_of_sessions,
     [ac_cv_libodraw_dummy=yes],
     [ac_cv_libodraw=no])
    AC_CHECK_LIB(
     odraw,
     libodraw_handle_get_session,
     [ac_cv_libodraw_dummy=yes],
     [ac_cv_libodraw=no])
    AC_CHECK_LIB(
     odraw,
     libodraw_handle_get_number_of_tracks,
     [ac_cv_libodraw_dummy=yes],
     [ac_cv_libodraw=no])
    AC_CHECK_LIB(
     odraw,
     libodraw_handle_get_track,
     [ac_cv_libodraw_dummy=yes],
     [ac_cv_libodraw=no])
  
    dnl Data file functions
    AC_CHECK_LIB(
     odraw,
     libodraw_data_file_free,
     [ac_cv_libodraw_dummy=yes],
     [ac_cv_libodraw=no])
    AC_CHECK_LIB(
     odraw,
     libodraw_data_file_set_filename,
     [ac_cv_libodraw_dummy=yes],
     [ac_cv_libodraw=no])
  
    AS_IF(
     [test "x$ac_cv_enable_wide_character_type" != xno],
     [AC_CHECK_LIB(
      odraw,
      libodraw_data_file_set_filename_wide,
      [ac_cv_libodraw_dummy=yes],
      [ac_cv_libodraw=no])
     ])

    ac_cv_libodraw_LIBADD="-lodraw"
    ])
   ])
  ])

 AS_IF(
  [test "x$ac_cv_libodraw" = xyes],
  [AC_DEFINE(
   [HAVE_LIBODRAW],
   [1],
   [Define to 1 if you have the `odraw' library (-lodraw).])
  ])

 AS_IF(
  [test "x$ac_cv_libodraw" = xyes],
  [AC_SUBST(
   [HAVE_LIBODRAW],
   [1]) ],
  [AC_SUBST(
   [HAVE_LIBODRAW],
   [0])
  ])
 ])

dnl Function to detect if libodraw dependencies are available
AC_DEFUN([AX_LIBODRAW_CHECK_LOCAL],
 [AM_PROG_LEX
 AC_PROG_YACC

 ac_cv_libodraw_CPPFLAGS="-I../libodraw";
 ac_cv_libodraw_LIBADD="../libodraw/libodraw.la";

 ac_cv_libodraw=local
 ])

dnl Function to detect how to enable libodraw
AC_DEFUN([AX_LIBODRAW_CHECK_ENABLE],
 [AX_COMMON_ARG_WITH(
  [libodraw],
  [libodraw],
  [search for libodraw in includedir and libdir or in the specified DIR, or no if to use local version],
  [auto-detect],
  [DIR])

 AX_LIBODRAW_CHECK_LIB

 AS_IF(
  [test "x$ac_cv_libodraw" != xyes],
  [AX_LIBODRAW_CHECK_LOCAL

  AC_DEFINE(
   [HAVE_LOCAL_LIBODRAW],
   [1],
   [Define to 1 if the local version of libodraw is used.])
  AC_SUBST(
   [HAVE_LOCAL_LIBODRAW],
   [1])
  ])

 AM_CONDITIONAL(
  [HAVE_LOCAL_LIBODRAW],
  [test "x$ac_cv_libodraw" = xlocal])
 AS_IF(
  [test "x$ac_cv_libodraw_CPPFLAGS" != "x"],
  [AC_SUBST(
   [LIBODRAW_CPPFLAGS],
   [$ac_cv_libodraw_CPPFLAGS])
  ])
 AS_IF(
  [test "x$ac_cv_libodraw_LIBADD" != "x"],
  [AC_SUBST(
   [LIBODRAW_LIBADD],
   [$ac_cv_libodraw_LIBADD])
  ])

 AS_IF(
  [test "x$ac_cv_libodraw" = xyes],
  [AC_SUBST(
   [ax_libodraw_pc_libs_private],
   [-lodraw])
  ])

 AS_IF(
  [test "x$ac_cv_libodraw" = xyes],
  [AC_SUBST(
   [ax_libodraw_spec_requires],
   [libodraw])
  AC_SUBST(
   [ax_libodraw_spec_build_requires],
   [libodraw-devel])
  ])
 ])