From 21703f6be477bfd95a2fd63efe2af081044babd5 Mon Sep 17 00:00:00 2001
From: tjg <tjg>
Date: Mon, 27 Nov 2000 12:51:55 +0000
Subject: need to #include <string.h> before testing for strerror()

---
 acconfig.h   |  3 +++
 acinclude.m4 | 13 +++++++++++++
 configure.ac |  4 +++-
 3 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/acconfig.h b/acconfig.h
index 8e8c0e7..c5b9bcf 100644
--- a/acconfig.h
+++ b/acconfig.h
@@ -34,6 +34,9 @@
 /* Define if you have sigsetjmp(). */
 #undef HAVE_SIGSETJMP
 
+/* Define in you have strerror(). */
+#undef HAVE_STRERROR
+
 /* Define if you want rc to encode strange characters in the environment. */
 #undef PROTECT_ENV
 
diff --git a/acinclude.m4 b/acinclude.m4
index 697b326..7fbc6aa 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -29,6 +29,19 @@ sigsetjmp(e, 1);
 	esac
 ])
 
+dnl Similarly, AC_CHECK_FUNCS doesn't find strerror() on NetBSD.
+AC_DEFUN(RC_FUNC_STRERROR, [
+	AC_CACHE_CHECK(for strerror, rc_cv_strerror,
+		AC_TRY_LINK([
+#include <string.h>
+		], [
+strerror(0);
+		], rc_cv_strerror=yes, rc_cv_strerror=no))
+	case "$rc_cv_strerror" in
+	yes)	AC_DEFINE(HAVE_STRERROR) ;;
+	esac
+])
+
 dnl HPUX needs _KERNEL defined to pick up RLIMIT_foo defines.  (Why?)
 AC_DEFUN(RC_NEED_KERNEL, [
 	AC_CACHE_CHECK(if _KERNEL is required for RLIMIT defines, rc_cv_kernel_rlimit,
diff --git a/configure.ac b/configure.ac
index b8d2341..fe9ee9f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -38,13 +38,15 @@ AC_TYPE_SIZE_T
 AC_TYPE_UID_T
 AC_CHECK_TYPE(ssize_t, long)
 
-AC_CHECK_FUNCS(getgroups setpgrp setrlimit strerror)
+AC_CHECK_FUNCS(getgroups setpgrp setrlimit)
 RC_FUNC_GETGROUPS
 
 RC_FUNC_SIGSETJMP
 
 AC_FUNC_SETPGRP
 
+RC_FUNC_STRERROR
+
 RC_NEED_KERNEL
 
 RC_TYPE_RLIM_T
-- 
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