diff --git a/configure.in b/configure.in
index 7e91f3d0..cd26e3a5 100644
--- a/configure.in
+++ b/configure.in
@@ -41,7 +41,7 @@ AC_MSG_RESULT($ac_cv_check_symbol_$1)])dnl
 
 AC_CHECK_FUNCS(getdtablesize psignal mktemp \
 	       dup2 getcwd sigsetmask getgroups setlinebuf \
-	       seteuid setegid setreuid setregid strerror)
+	       seteuid setegid setreuid setregid strerror strsignal)
 AC_CHECK_SYMBOL(sys_siglist)
 AC_CHECK_SYMBOL(_sys_siglist)
 AC_FUNC_ALLOCA