From 716ca530e1c4515d8683c9d5be3d56b301758b66 Mon Sep 17 00:00:00 2001
From: James <>
Date: Wed, 4 Nov 2015 11:49:21 +0000
Subject: trunk-47381

---
 package/libs/libjson-c/patches/000-libm.patch | 50 +++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 package/libs/libjson-c/patches/000-libm.patch

(limited to 'package/libs/libjson-c/patches/000-libm.patch')

diff --git a/package/libs/libjson-c/patches/000-libm.patch b/package/libs/libjson-c/patches/000-libm.patch
new file mode 100644
index 0000000..45adb05
--- /dev/null
+++ b/package/libs/libjson-c/patches/000-libm.patch
@@ -0,0 +1,50 @@
+--- a/configure.ac
++++ b/configure.ac
+@@ -43,12 +43,6 @@
+ AC_FUNC_MALLOC
+ AC_FUNC_REALLOC
+ AC_CHECK_FUNCS(strcasecmp strdup strerror snprintf vsnprintf vasprintf open vsyslog strncasecmp setlocale)
+-AC_CHECK_DECLS([INFINITY], [], [], [[#include <math.h>]])
+-AC_CHECK_DECLS([nan], [], [], [[#include <math.h>]])
+-AC_CHECK_DECLS([isnan], [], [], [[#include <math.h>]])
+-AC_CHECK_DECLS([isinf], [], [], [[#include <math.h>]])
+-AC_CHECK_DECLS([_isnan], [], [], [[#include <float.h>]])
+-AC_CHECK_DECLS([_finite], [], [], [[#include <float.h>]])
+ 
+ #check if .section.gnu.warning accepts long strings (for __warn_references)
+ AC_LANG_PUSH([C])
+--- a/math_compat.h
++++ b/math_compat.h
+@@ -1,28 +1,9 @@
+ #ifndef __math_compat_h
+ #define __math_compat_h
+ 
+-/* Define isnan and isinf on Windows/MSVC */
+-
+-#ifndef HAVE_DECL_ISNAN
+-# ifdef HAVE_DECL__ISNAN
+-#include <float.h>
+-#define isnan(x) _isnan(x)
+-# endif
+-#endif
+-
+-#ifndef HAVE_DECL_ISINF
+-# ifdef HAVE_DECL__FINITE
+-#include <float.h>
+-#define isinf(x) (!_finite(x))
+-# endif
+-#endif
+-
+-#ifndef HAVE_DECL_NAN
+-#error This platform does not have nan()
+-#endif
+-
+-#ifndef HAVE_DECL_INFINITY
+-#error This platform does not have INFINITY
+-#endif
++#undef isnan
++#define isnan(x) __builtin_isnan(x)
++#undef isinf
++#define isinf(x) __builtin_isinf(x)
+ 
+ #endif
-- 
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