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Feature test macros overhaul: Cygwin headers

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Use proper internal macros for BSD and GNU.

Signed-off-by: Yaakov Selkowitz <yselkowi@redhat.com>
This commit is contained in:
Yaakov Selkowitz
2016-03-14 21:24:29 -05:00
parent 396942b0b5
commit 3237fb31b3
3 changed files with 9 additions and 6 deletions
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6
winsup/cygwin/include/fenv.h
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@ -11,6 +11,8 @@ details. */
#ifndef _FENV_H_
#define _FENV_H_
#include <sys/cdefs.h>
#ifdef __cplusplus
extern "C" {
#endif
@ -133,14 +135,14 @@ extern const fenv_t *_fe_dfl_env;
type "pointer to const-qualified fenv_t",may also be specified by
the implementation. */
#ifdef _GNU_SOURCE
#if __GNU_VISIBLE
/* If possible, the GNU C Library defines a macro FE_NOMASK_ENV which
represents an environment where every exception raised causes a trap
to occur. You can test for this macro using #ifdef. It is only defined
if _GNU_SOURCE is defined. */
extern const fenv_t *_fe_nomask_env;
#define FE_NOMASK_ENV (_fe_nomask_env)
#endif /* _GNU_SOURCE */
#endif /* __GNU_VISIBLE */
/* The following shall be declared as functions and may also be