From 4fc12f0eda596b12fb27fb39ea4ac5e68ac4170e Mon Sep 17 00:00:00 2001 From: "Paul E. Murphy" Date: Wed, 20 Jul 2016 12:14:21 -0500 Subject: Add support for testing __STDC_WANT_IEC_60559_TYPES_EXT__ This macro is defined by TS 18661-3 for supporting the _FloatN and _FloatNx types, as well as the functions suffixed with fN. * bits/libc-header-start.h: (__GLIBC_USE_IEC_60559_TYPES_EXT): New macro. * include/features.h: Describe __STDC_WANT_IEC_60559_TYPES_EXT__. * manual/creature.texi: Likewise. --- bits/libc-header-start.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'bits') diff --git a/bits/libc-header-start.h b/bits/libc-header-start.h index 860225d7ca..0ce16e2532 100644 --- a/bits/libc-header-start.h +++ b/bits/libc-header-start.h @@ -59,3 +59,12 @@ #else # define __GLIBC_USE_IEC_60559_FUNCS_EXT 0 #endif + +/* ISO/IEC TS 18661-3:2015 defines the + __STDC_WANT_IEC_60559_TYPES_EXT__ macro. */ +#undef __GLIBC_USE_IEC_60559_TYPES_EXT +#if defined __USE_GNU || defined __STDC_WANT_IEC_60559_TYPES_EXT__ +# define __GLIBC_USE_IEC_60559_TYPES_EXT 1 +#else +# define __GLIBC_USE_IEC_60559_TYPES_EXT 0 +#endif -- cgit 1.4.1