configure: Stop using cru with ar

Fixes ar: 'u' modifier ignored since 'D' is the default (see 'U')

diff --git a/configure.ac b/configure.ac
index cd50322f3d492d75904498c38163c44985d9cf75..93f864044406bdb64c52eddcdcc1f9185a480458 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -808,6 +808,9 @@ if test "$docdir" = ""; then
 fi
 AC_SUBST(docdir)
 
+AS_IF([test "$AR_FLAGS" = "cru"], [AR_FLAGS="cr"], [])
+AC_SUBST([AR_FLAGS])
+
 DC_DOVECOT_TEST_WRAPPER
 AC_SUBST(abs_top_builddir)