Check for VIS_ALL.

If we don't have it, set BROKEN_STRNVIS to activate the compat replacement.

diff --git a/configure.ac b/configure.ac
index f6c44b87473776b01711708772eb867906299003..2439e3948837f91a9aafeb8c111ec08c764ae874 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1405,6 +1405,9 @@ g.gl_statv = NULL;
 
 AC_CHECK_DECLS([GLOB_NOMATCH], , , [#include <glob.h>])
 
+AC_CHECK_DECL([VIS_ALL], ,
+    AC_DEFINE(BROKEN_STRNVIS, 1, [missing VIS_ALL]), [#include <vis.h>])
+
 AC_MSG_CHECKING([whether struct dirent allocates space for d_name])
 AC_RUN_IFELSE(
        [AC_LANG_PROGRAM([[