From 8d9da54dd58da7a909bb5981db27bb4e8e57d21c Mon Sep 17 00:00:00 2001
From: Kimmo Ollila <kimmo.ollila@qt.io>
Date: Thu, 19 Jan 2017 11:51:50 +0200
Subject: Add a configure check for alloca()

Alloca() is not supported on all platforms, like
INTEGRITY on ARM, so adding a configure check for it.
This can be used when building QtQml and 3rd party
code, in particular PCRE2 and SQLite.

Change-Id: I9785e16c21f67d1a68fef567e18c3356170f027e
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
---
 configure.json | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'configure.json')

diff --git a/configure.json b/configure.json
index 21ec84818d..cb64e6313a 100644
--- a/configure.json
+++ b/configure.json
@@ -409,6 +409,11 @@
             "type": "compile",
             "test": "unix/posix_fallocate"
         },
+        "alloca": {
+            "label": "alloca()",
+            "type": "compile",
+            "test": "common/alloca"
+        },
         "stack_protector": {
             "label": "stack protection",
             "type": "compilerSupportsFlag",
@@ -889,6 +894,11 @@
             "condition": "tests.posix_fallocate",
             "output": [ "privateFeature" ]
         },
+        "alloca": {
+            "label": "alloca()",
+            "condition": "tests.alloca",
+            "output": [ "privateFeature" ]
+        },
         "stack-protector-strong": {
             "label": "stack protection",
             "condition": "config.qnx && tests.stack_protector",
-- 
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