+dnl ======================== End of ggv checks =================================
+
+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$enable_tiff = xyes)
+dnl ================== end of tiff checks ============================================
+
+dnl ================== djvu checks ===================================================
+
+AC_ARG_ENABLE(djvu,
+ [AC_HELP_STRING([--enable-djvu], [Compile with support of djvu viewer])],enable_djvu="$enableval",enable_djvu=no)
+
+if test "x$enable_djvu" = "xyes"; then
+ AC_CHECK_HEADERS([libdjvu/ddjvuapi.h],enable_djvu=yes,enable_djvu=no,)
+
+ if test "x$enable_djvu" = "xyes"; then
+ AC_CHECK_LIB([djvulibre],ddjvu_context_create,enable_djvu=yes,enable_djvu=no,"-lpthread")
+ AC_CHECK_LIB([djvulibre],ddjvu_document_get_pageinfo,enable_djvu=yes,enable_djvu=no,"-lpthread")
+ fi
+
+ if test "x$enable_djvu" = "xyes"; then
+ AC_DEFINE([ENABLE_DJVU], [1], [Enable djvu viewer support.])
+ else
+ AC_MSG_WARN([
+** Djvu support is disabled since recent version of djvulibre
+** library was not found. To get proper djvu support you need to
+** install development version of djvulibre. You can get it from
+** anonymous CVS server on djvulibre.sf.net. Just use something
+** like:
+
+** cvs -d :pserver:anonymous@cvs.sourceforge.net:/cvsroot/djvu co djvulibre-3.5
+])
+ fi
+fi