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view src/mingw-w64-1-float-h.patch @ 4601:dc3eb553f5e9

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update UPDATE rule for sourceforge projects with version directories * src/cppunit.mk, src/cunit.mk, src/expat.mk, src/freeimage.mk, src/freetype.mk, src/gnuplot.mk, src/graphicsmagick.mk, src/hunspell.mk, src/id3lib.mk, src/lcms.mk, src/libircclient.mk, src/liblo.mk, src/libmad.mk, src/libmng.mk, src/libmodplug.mk, src/libusb.mk, src/matio.mk, src/pcre.mk, src/pdcurses.mk, src/pfstools.mk, src/plotmm.mk, src/qjson.mk, src/qwt.mk, src/qwtplot3d.mk, src/sdl_pango.mk, src/sox.mk, src/tinyxml.mk, src/xmlwrapp.mk: update UPDATE rule for sourceforge projects with version directories * src/llvm.mk: update use wget not WGE so get uncompressed file)
author John D
date Mon, 29 Jan 2018 11:57:20 -0500
parents b90033378759
children a49c45403df7
line wrap: on
line source

This file is part of MXE.
See index.html for further information.

workaround for -isystem flag messing up include order
https://bugzilla.redhat.com/show_bug.cgi?id=843436

diff -ur a/mingw-w64-headers/crt/float.h b/mingw-w64-headers/crt/float.h
--- a/mingw-w64-headers/crt/float.h	2014-01-11 21:38:50.640418500 +1100
+++ b/mingw-w64-headers/crt/float.h	2014-01-11 21:44:08.528393903 +1100
@@ -105,6 +105,15 @@
 	#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