.

diff --git a/m4/error.m4 b/m4/error.m4
new file mode 100644 (file)
index 0000000..358d650
--- /dev/null
+++ b/m4/error.m4
@@ -0,0 +1,8 @@
+strerror_r
+
+dnl These are the prerequisite macros for GNU's error.c file.
+AC_DEFUN(_jm_PREREQ_ERROR,
+[
+  AC_CHECK_FUNCS(strerror strerror_r vprintf doprnt)
+  AC_HEADER_STDC
+])