openwrt/package/libs/libjson-c/patches/000-libm.patch
DENG Qingfang 78b632134f libjson-c: update to 0.14
Update libjson-c to 0.14
Changelog: https://github.com/json-c/json-c/wiki/Notes-for-v0.14-release

Switch to CMake because the upstream build system was changed

ipk size increased by 2KB

Signed-off-by: DENG Qingfang <dengqf6@mail2.sysu.edu.cn>
2020-07-04 21:00:11 +02:00

39 lines
768 B
Diff

--- a/math_compat.h
+++ b/math_compat.h
@@ -6,31 +6,9 @@
* @brief Do not use, json-c internal, may be changed or removed at any time.
*/
-/* Define isnan, isinf, infinity and nan 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_INFINITY
-#include <float.h>
-#define INFINITY (DBL_MAX + DBL_MAX)
-#define HAVE_DECL_INFINITY
-#endif
-
-#ifndef HAVE_DECL_NAN
-#define NAN (INFINITY - INFINITY)
-#define HAVE_DECL_NAN
-#endif
+#undef isnan
+#define isnan(x) __builtin_isnan(x)
+#undef isinf
+#define isinf(x) __builtin_isinf(x)
#endif