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-rw-r--r--configure.ac2
1 files changed, 1 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index 5db2b6e3a..c1651488b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -687,7 +687,7 @@ AH_TEMPLATE([ZSH_NO_XOPEN],
 AC_CACHE_CHECK(if _XOPEN_SOURCE_EXTENDED should not be defined,
 zsh_cv_no_xopen,
 [case "$host_os" in
-  *openbsd*|*freebsd6*)
+  *openbsd*|*freebsd5*|*freebsd6[012]*)
   zsh_cv_no_xopen=yes
   ;;
   *)