diff --git a/configure.ac b/configure.ac
index 57fcc9bcd..165b391f7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -765,6 +765,7 @@ main() { if (NSVersionOfRunTimeLibrary("System") >= (60 << 16))
 		if test -z "$GCC"; then
 			CFLAGS="$CFLAGS -Ae"
 		fi
+		AC_DEFINE([BROKEN_GETLINE], [1], [getline is not what we expect])
 		;;
 	*-*-hpux11*)
 		AC_DEFINE([PAM_SUN_CODEBASE], [1],
diff --git a/openbsd-compat/bsd-getline.c b/openbsd-compat/bsd-getline.c
index d676f4cef..e51bd7a13 100644
--- a/openbsd-compat/bsd-getline.c
+++ b/openbsd-compat/bsd-getline.c
@@ -39,7 +39,7 @@
 #include "file.h"
 #endif
 
-#if !HAVE_GETLINE
+#if !defined(HAVE_GETLINE) || defined(BROKEN_GETLINE)
 #include <stdlib.h>
 #include <stdio.h>
 #include <unistd.h>