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-rw-r--r--sysdeps/unix/sysv/linux/configure.ac4
1 files changed, 3 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/configure.ac b/sysdeps/unix/sysv/linux/configure.ac
index c177e082a9..4c43cda877 100644
--- a/sysdeps/unix/sysv/linux/configure.ac
+++ b/sysdeps/unix/sysv/linux/configure.ac
@@ -71,7 +71,9 @@ if test -n "$sysheaders"; then
   CPPFLAGS=$OLD_CPPFLAGS
 fi
 
-if test "$prefix" = "/usr/local" -o "$prefix" = "/usr/local/" -o "$prefix" = "NONE"; then
+AC_PREFIX_DEFAULT([/usr])
+
+if test "$prefix" = "/usr/local" -o "$prefix" = "/usr/local/"; then
   if test $enable_sanity = yes; then
     echo "\
 *** On GNU/Linux systems the GNU C Library should not be installed into