From edbeee650287a4a36837e090eafed90a760bad83 Mon Sep 17 00:00:00 2001 From: Sandro Santilli Date: Mon, 7 Mar 2016 10:21:33 +0000 Subject: [PATCH] Look for isnan in std:: namespace Tested with gcc 4.8.4 git-svn-id: http://svn.osgeo.org/geos/trunk@4169 5242fede-7e19-0410-aef8-94bd7d2200fb --- configure.ac | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/configure.ac b/configure.ac index 7fdc579..8976a6a 100644 --- a/configure.ac +++ b/configure.ac @@ -197,7 +197,7 @@ dnl of isnan(). AC_LANG_PUSH([C++]) AC_CACHE_CHECK([for isnan], ac_cv_isnan, [AC_TRY_LINK([#include ], - [double x; int y; y = isnan(x);], + [double x; int y; y = std::isnan(x);], ac_cv_isnan=yes, ac_cv_isnan=no )])