zatrazz created this revision. zatrazz added reviewers: jfb, eli.friedman, MaskRay. Herald added a subscriber: StephenFan. Herald added a project: All. zatrazz requested review of this revision. Herald added a project: clang.
It was reported by glibc conform test [1]. [1] https://sourceware.org/git/?p=glibc.git;a=blob;f=conform/data/float.h-data;h=7b98fc03447b8918da4a0cf47d41fb3e17f4f791;hb=HEAD Repository: rG LLVM Github Monorepo https://reviews.llvm.org/D137267 Files: clang/lib/Headers/float.h Index: clang/lib/Headers/float.h =================================================================== --- clang/lib/Headers/float.h +++ clang/lib/Headers/float.h @@ -86,7 +86,10 @@ /* Characteristics of floating point types, C99 5.2.4.2.2 */ +#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \ + (defined(__cplusplus) && __cplusplus >= 201103L) #define FLT_EVAL_METHOD __FLT_EVAL_METHOD__ +#endif #define FLT_ROUNDS (__builtin_flt_rounds()) #define FLT_RADIX __FLT_RADIX__
Index: clang/lib/Headers/float.h =================================================================== --- clang/lib/Headers/float.h +++ clang/lib/Headers/float.h @@ -86,7 +86,10 @@ /* Characteristics of floating point types, C99 5.2.4.2.2 */ +#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || \ + (defined(__cplusplus) && __cplusplus >= 201103L) #define FLT_EVAL_METHOD __FLT_EVAL_METHOD__ +#endif #define FLT_ROUNDS (__builtin_flt_rounds()) #define FLT_RADIX __FLT_RADIX__
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