diff options
Diffstat (limited to 'Do-not-define-tgmath.h-fmaxmag-fminmag-macros-for-C2.patch')
| -rw-r--r-- | Do-not-define-tgmath.h-fmaxmag-fminmag-macros-for-C2.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/Do-not-define-tgmath.h-fmaxmag-fminmag-macros-for-C2.patch b/Do-not-define-tgmath.h-fmaxmag-fminmag-macros-for-C2.patch new file mode 100644 index 0000000..ce25968 --- /dev/null +++ b/Do-not-define-tgmath.h-fmaxmag-fminmag-macros-for-C2.patch @@ -0,0 +1,37 @@ +From 79850e1025aabeccd3586c32ca259aa854607582 Mon Sep 17 00:00:00 2001 +From: Joseph Myers <joseph@codesourcery.com> +Date: Wed, 29 Sep 2021 17:38:32 +0000 +Subject: [PATCH] Do not define tgmath.h fmaxmag, fminmag macros for C2X (bug + 28397) + +C2X does not include fmaxmag and fminmag. When I updated feature test +macro handling accordingly (commit +858045ad1c5ac1682288bbcb3676632b97a21ddf, "Update floating-point +feature test macro handling for C2X", included in 2.34), I missed +updating tgmath.h so it doesn't define the corresponding type-generic +macros unless __STDC_WANT_IEC_60559_BFP_EXT__ is defined; I've now +reported this as bug 28397. Adjust the conditionals in tgmath.h +accordingly. + +Tested for x86_64. +--- + math/tgmath.h | 2 ++ + 1 file changed, 2 insertions(+) + +diff --git a/math/tgmath.h b/math/tgmath.h +index 9868353..3d7b099 100644 +--- a/math/tgmath.h ++++ b/math/tgmath.h +@@ -921,7 +921,9 @@ + + /* Like ilogb, but returning long int. */ + # define llogb(Val) __TGMATH_UNARY_REAL_RET_ONLY (Val, llogb) ++#endif + ++#if __GLIBC_USE (IEC_60559_BFP_EXT) + /* Return value with maximum magnitude. */ + # define fmaxmag(Val1, Val2) __TGMATH_BINARY_REAL_ONLY (Val1, Val2, fmaxmag) + +-- +1.8.3.1 + |