(jm_PREREQ): Add jm_PREREQ_SIG2STR.

diff --git a/m4/prereq.m4 b/m4/prereq.m4
index e2265d4fa859885966850028f02dfa46ca921004..35c5d7e9c05c237f1f485cdf65e37372be3e0fb0 100644 (file)
--- a/m4/prereq.m4
+++ b/m4/prereq.m4
@@ -1,4 +1,4 @@
-#serial 24
+#serial 25
 
 dnl These are the prerequisite macros for files in the lib/
 dnl directories of the fileutils, sh-utils, and textutils packages.
@@ -21,6 +21,7 @@ AC_DEFUN([jm_PREREQ],
   jm_PREREQ_QUOTEARG
   jm_PREREQ_READUTMP
   jm_PREREQ_REGEX
+  jm_PREREQ_SIG2STR
   jm_PREREQ_TEMPNAME # called by mkstemp
   jm_PREREQ_XGETCWD
   jm_PREREQ_XREADLINK
@@ -161,6 +162,11 @@ AC_DEFUN([jm_PREREQ_REGEX],
   AC_FUNC_ALLOCA
 ])
 
+AC_DEFUN([jm_PREREQ_SIG2STR],
+[
+  AC_CHECK_HEADERS(sys/wait.h)
+])
+
 AC_DEFUN([jm_PREREQ_TEMPNAME],
 [
   AC_HEADER_STDC