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Refactor: OLM_DLLEXPORT definition now lives in a standalone header.

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On x86_64, openlibm_fenv.h is silently coupled to openlibm_complex.h due to the inclusion of math_private.h inside of openlibm_fenv_amd64.h. The math_private.h header was included to gain access to the OLM_DLLEXPORT macro. However, this macro is redefined, since it is originally defined in openlibm_math.h. This inclusion also exposes math_private.h to public clients, which is undesirable.

Instead, a standalone header is created to contain the OLM_DLLEXPORT definition. This header is used included in the appropriate files. openlibm_fenv_amd64.h is no longer coupled to math_private.h.
This commit is contained in:
Phillip Johnston 2020-06-10 15:57:08 -07:00
parent 5b0e7e9813
commit 0418324ca4
4 changed files with 18 additions and 25 deletions
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14
include/openlibm_defs.h Normal file
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@ -0,0 +1,14 @@
#ifndef OPENLIBM_DEFS_H_
#define OPENLIBM_DEFS_H_
#ifdef _WIN32
# ifdef IMPORT_EXPORTS
# define OLM_DLLEXPORT __declspec(dllimport)
# else
# define OLM_DLLEXPORT __declspec(dllexport)
# endif
#else
#define OLM_DLLEXPORT __attribute__ ((visibility("default")))
#endif
#endif // OPENLIBM_DEFS_H_

3
include/openlibm_fenv_amd64.h
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@ -29,11 +29,10 @@
#ifndef _FENV_H_
#define _FENV_H_
#include <openlibm_defs.h>
#include "cdefs-compat.h"
#include "types-compat.h"
#include "math_private.h"
#ifndef __fenv_static
#define __fenv_static static
#endif

12
include/openlibm_math.h
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@ -18,6 +18,8 @@
#include <math.h>
#else /* !OPENLIBM_USE_HOST_MATH_H */
#include <openlibm_defs.h>
#ifndef OPENLIBM_MATH_H
#define OPENLIBM_MATH_H
@ -33,16 +35,6 @@
#define __pure2
#endif
#ifdef _WIN32
# ifdef IMPORT_EXPORTS
# define OLM_DLLEXPORT __declspec(dllimport)
# else
# define OLM_DLLEXPORT __declspec(dllexport)
# endif
#else
#define OLM_DLLEXPORT __attribute__ ((visibility("default")))
#endif
/*
* ANSI/POSIX
*/

14
src/math_private.h
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@ -18,7 +18,7 @@
#define _MATH_PRIVATE_H_
#include <openlibm_complex.h>
#include <openlibm_defs.h>
#include "cdefs-compat.h"
#include "types-compat.h"
#include "fpmath.h"
@ -355,16 +355,4 @@ long double __kernel_sinl(long double, long double, int);
long double __kernel_cosl(long double, long double);
long double __kernel_tanl(long double, long double, int);
#undef OLM_DLLEXPORT
#ifdef _WIN32
# ifdef IMPORT_EXPORTS
# define OLM_DLLEXPORT __declspec(dllimport)
# else
# define OLM_DLLEXPORT __declspec(dllexport)
# endif
#else
#define OLM_DLLEXPORT __attribute__ ((visibility("default")))
#endif
#endif /* !_MATH_PRIVATE_H_ */