[build] Fail to build when poppler isn't found and --disable-pdf option hasn't been...

diff --git a/configure.ac b/configure.ac
index a846d7797468ffe5b99a3d853c66ef311e99b9ce..519907ab4673780678a9024941e4023904d6b056 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -498,7 +498,7 @@ if test "x$enable_pdf" = "xyes"; then
                    AC_DEFINE([HAVE_CAIRO_PS], [1], [defined if cairo-ps is available])
             fi
     else
-           AC_MSG_WARN("PDF support is disabled since poppler-glib library version $POPPLER_REQUIRED or newer not found")
+           AC_MSG_ERROR("PDF support is disabled since poppler-glib library version $POPPLER_REQUIRED or newer not found")
     fi 
 fi