+dnl ================== tiff checks ===================================================
+AC_ARG_ENABLE(tiff,
+ [AC_HELP_STRING([--enable-tiff], [Compile with support of multipage tiff])],enable_tiff="$enableval",enable_tiff=yes)
+
+if test "x$enable_tiff" = "xyes"; then
+ AC_CHECK_HEADERS([tiff.h],enable_tiff=yes,enable_tiff=no,)
+ if test "x$enable_tiff" = "xyes"; then
+ AC_CHECK_LIB([tiff],TIFFOpen,enable_tiff=yes,enable_tiff=no,"-lz")
+ AC_CHECK_LIB([tiff],TIFFReadRGBAImageOriented,enable_tiff=yes,enable_tiff=no,"-lz")
+ fi
+ if test "x$enable_tiff" = "xyes"; then
+ AC_DEFINE([ENABLE_TIFF], [1], [Enable multipage tiff support.])
+ else
+ AC_MSG_WARN("Tiff support is disabled since tiff library version 3.6 or newer not found")
+ fi
+fi
+
+AM_CONDITIONAL(ENABLE_TIFF, test x$enable_tiff = xyes)
+dnl ================== end of tiff checks ============================================
+