From a63d2168e900bba799a9baed3b24c7cf171e3e9d Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Mon, 7 Jun 2004 22:39:45 +0000
Subject: Fix strerror_r by checking return type from configure.

---
 config/c-library.m4 | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

(limited to 'config')

diff --git a/config/c-library.m4 b/config/c-library.m4
index f9a09c2cce..6385ab36d4 100644
--- a/config/c-library.m4
+++ b/config/c-library.m4
@@ -1,5 +1,5 @@
 # Macros that test various C library quirks
-# $PostgreSQL: pgsql/config/c-library.m4,v 1.25 2004/03/20 15:39:27 momjian Exp $
+# $PostgreSQL: pgsql/config/c-library.m4,v 1.26 2004/06/07 22:39:44 momjian Exp $
 
 
 # PGAC_VAR_INT_TIMEZONE
@@ -96,6 +96,23 @@ fi
 ])# PGAC_FUNC_GETPWUID_R_5ARG
 
 
+# PGAC_FUNC_STRERROR_R_INT
+# ---------------------------
+# Check if strerror_r() returns an int (SUSv3) rather than a char * (GNU libc)
+# If so, define STRERROR_R_INT
+AC_DEFUN([PGAC_FUNC_STRERROR_R_INT],
+[AC_CACHE_CHECK(whether strerror_r returns int,
+pgac_func_strerror_r_int,
+[AC_TRY_COMPILE([#include <string.h>],
+[int strerror_r(int, char *, size_t);],
+[pgac_func_strerror_r_int=yes],
+[pgac_func_strerror_r_int=no])])
+if test x"$pgac_func_strerror_r_int" = xyes ; then
+  AC_DEFINE(STRERROR_R_INT,, [Define to 1 if strerror_r() returns a int.])
+fi
+])# PGAC_FUNC_STRERROR_R_INT
+
+
 # PGAC_UNION_SEMUN
 # ----------------
 # Check if `union semun' exists. Define HAVE_UNION_SEMUN if so.
-- 
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