X-Git-Url: http://git.demorecorder.com/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=configure.ac;h=73643830519bdacd5fbf5e2349e7cc58d6bf6494;hb=0dd8f8d26a758bc385e79d9239bf6ef2e3d7bf13;hp=9abaffced7188bc1a596e2d9dce96037ca26507a;hpb=da1d15082baab844a3b9b2d5cc48620af0b806ec;p=free-sw%2Fxcb%2Flibxcb

diff --git a/configure.ac b/configure.ac
index 9abaffc..7364383 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,11 +1,18 @@
 #                                               -*- Autoconf -*-
 # Process this file with autoconf to produce a configure script.
 
+# Initialize Autoconf
 AC_PREREQ(2.57)
 AC_INIT([libxcb],
-        1.8,
+        1.9,
         [xcb@lists.freedesktop.org])
 AC_CONFIG_SRCDIR([xcb.pc.in])
+# Set common system defines for POSIX extensions, such as _GNU_SOURCE
+# Must be called before any macros that run the compiler (like AC_PROG_LIBTOOL)
+# to avoid autoconf errors.
+AC_USE_SYSTEM_EXTENSIONS
+
+# Initialize Automake
 AM_INIT_AUTOMAKE([foreign dist-bzip2])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
@@ -110,6 +117,13 @@ dnl check for support for Solaris Trusted Extensions
 AC_CHECK_HEADERS([tsol/label.h])
 AC_CHECK_FUNCS([is_system_labeled])
 
+dnl check for IOV_MAX, and fall back to UIO_MAXIOV on BSDish systems
+AC_CHECK_DECL([IOV_MAX], [],
+	      [AC_CHECK_DECL([UIO_MAXIOV], [AC_DEFINE([IOV_MAX], [UIO_MAXIOV])],
+					   [AC_DEFINE([IOV_MAX], [16], [Define if not provided by <limits.h>])],
+					   [[#include <sys/uio.h>]])],
+	      [[#include <limits.h>]])
+
 xcbincludedir='${includedir}/xcb'
 AC_SUBST(xcbincludedir)