From e206409a8c383b10b250b39f0461e3ad29398014 Mon Sep 17 00:00:00 2001 From: Anatol Belski Date: Fri, 29 Aug 2014 10:54:28 +0200 Subject: [PATCH] exclude log2 usage which requires C99 support --- ext/standard/config.m4 | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) 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 -- 2.50.1