From 31811f4b6c5a95de82e47ddf1f37739c3b2cfc58 Mon Sep 17 00:00:00 2001
From: Lyude <lyude@redhat.com>
Date: Wed, 21 Dec 2016 14:00:54 -0500
Subject: igt_core: add igt_constructor

This is a simple macro for executing a block of code at the beginning of
intel-gpu-tools, before any tests have been ran. Useful for
initialization of global resources used in IGT libraries.

Signed-off-by: Lyude <lyude@redhat.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>

Changes since v1:
 - Add the line number into the name of the constructor function so that
   multiple constructors may be used per-file.
---
 configure.ac | 1 +
 1 file changed, 1 insertion(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index fa31a52e..411bfabf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -65,6 +65,7 @@ AC_CHECK_TYPES([sighandler_t],[],[],[AC_INCLUDES_DEFAULT
 #include <signal.h>])
 AC_CHECK_FUNCS([swapctl])
 AC_CHECK_FUNCS([asprintf])
+AX_GCC_FUNC_ATTRIBUTE([constructor])
 
 dnl Check for POSIX timers
 AC_CHECK_FUNCS(timer_create, [], [
-- 
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