From: Anatol Belski <ab@php.net>
Date: Fri, 29 Aug 2014 08:54:28 +0000 (+0200)
Subject: exclude log2 usage which requires C99 support
X-Git-Tag: PRE_PHP7_REMOVALS~201
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e206409a8c383b10b250b39f0461e3ad29398014;p=php

exclude log2 usage which requires C99 support
---

diff --git a/ext/standard/config.m4 b/ext/standard/config.m4
index 67952163aa..7a5f0effa0 100644
--- a/ext/standard/config.m4
+++ b/ext/standard/config.m4
@@ -338,7 +338,9 @@ fi
 dnl
 dnl Check for available functions
 dnl
-AC_CHECK_FUNCS(getcwd getwd asinh acosh atanh log1p log2 hypot glob strfmon nice fpclass isinf isnan mempcpy strpncpy)
+dnl log2 could be used to improve the log function, however it requires C99. The check for log2 should be turned on,
+dnl as soon as we support C99.
+AC_CHECK_FUNCS(getcwd getwd asinh acosh atanh log1p hypot glob strfmon nice fpclass isinf isnan mempcpy strpncpy)
 AC_FUNC_FNMATCH	
 
 dnl