1 # wm_libexif.m4 - Macros to check proper libexif
3 # Copyright (c) 2014 Window Maker Team
5 # This program is free software; you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; either version 2 of the License, or
8 # (at your option) any later version.
10 # This program is distributed in the hope that it will be useful,
11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 # GNU General Public License for more details.
15 # You should have received a copy of the GNU General Public License along
16 # with this program; if not, write to the Free Software Foundation, Inc.,
17 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22 # Checks the needed library link flags
23 # Sets variable LIBEXIF with the appropriates flags
24 AC_DEFUN_ONCE([WM_CHECK_LIBEXIF],
25 [AC_CHECK_HEADER([libexif/exif-data.h],
26 [AC_CHECK_FUNC(exif_data_new_from_file,
28 [AC_CHECK_LIB(exif, [exif_data_new_from_file],
30 [AC_MSG_WARN(Could not find EXIF library, you may experience problems)
32 [AC_MSG_WARN([header for EXIF library not found])])