view src/mingw-w64-1-float-h.patch @ 5761:c366dab2350c

mingw-w64: update to v8.0.2 * dist-files: add ref to libgomp-1-fixes.patch, mingw-pkg-config-1-gnu-printf.patch * src/libgomp-1-fixes.patch, src/mingw-pkg-config-1-gnu-printf.patch: new files for mingw-w64 update * src/mingw-w64-1-float-h.patch: update patch * src/mingw-w64.mk: update version, checksum
author John Donoghue <john.donoghue@ieee.org>
date Wed, 26 May 2021 08:18:17 -0400
parents a49c45403df7
children
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This file is part of MXE. See LICENSE.md for licensing information.

Contains ad hoc patches for cross building.

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Mark Brand <mabrand@mabrand.nl>
Date: Sun, 29 Mar 2015 14:36:38 +0200
Subject: [PATCH 1/1] workaround for -isystem flag messing up include order

https://bugzilla.redhat.com/show_bug.cgi?id=843436

diff --git a/mingw-w64-headers/crt/float.h b/mingw-w64-headers/crt/float.h
index 1111111..2222222 100644
--- a/mingw-w64-headers/crt/float.h
+++ b/mingw-w64-headers/crt/float.h
@@ -114,6 +114,15 @@
 	#define DBL_MAX_10_EXP	__DBL_MAX_10_EXP__
 	#define LDBL_MAX_10_EXP	__LDBL_MAX_10_EXP__
 
+    /* The difference between 1 and the least value greater than 1 that is
+    representable in the given floating point type, b**1-p.  */
+    #undef FLT_EPSILON
+    #undef DBL_EPSILON
+    #undef LDBL_EPSILON
+    #define FLT_EPSILON __FLT_EPSILON__
+    #define DBL_EPSILON __DBL_EPSILON__
+    #define LDBL_EPSILON    __LDBL_EPSILON__
+
 	/* Addition rounds to 0: zero, 1: nearest, 2: +inf, 3: -inf, -1: unknown.  */
 	/* ??? This is supposed to change with calls to fesetround in <fenv.h>.  */
 	#undef FLT_ROUNDS