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Simplify math-svid-compat code.

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Now there are no more assembly wrappers using _LIB_VERSION or
__kernel_standard, the math-svid-compat code can be slighly
simplified.  math-svid-compat.h no longer needs __ASSEMBLER__
conditionals, and the _LIB_VERSION variable no longer needs to be
built for static libm, since all references are now in C code that
includes math-svid-compat.h and so gets the macro definition of
_LIB_VERSION to _POSIX_ outside the compat case.  This patch makes
those cleanups.

Tested for x86_64, and with build-many-glibcs.py.

	* math/math-svid-compat.h [!__ASSEMBLER__]: Make code
	unconditional.
	* sysdeps/ieee754/s_lib_version.c [!defined SHARED]: Remove
	conditional code; define contents only for [LIBM_SVID_COMPAT].
This commit is contained in:
Joseph Myers
2017-08-28 15:19:52 +00:00
parent ee17d4e99a
commit a48c0fb4b4
3 changed files with 17 additions and 19 deletions
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7
sysdeps/ieee754/s_lib_version.c
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@@ -24,12 +24,7 @@ static char rcsid[] = "$NetBSD: s_lib_version.c,v 1.6 1995/05/10 20:47:44 jtc Ex
* define and initialize _LIB_VERSION
*/
#undef _LIB_VERSION
#if LIBM_SVID_COMPAT || !defined SHARED
_LIB_VERSION_TYPE _LIB_VERSION_INTERNAL = _POSIX_;
#endif
#if LIBM_SVID_COMPAT
_LIB_VERSION_TYPE _LIB_VERSION_INTERNAL = _POSIX_;
compat_symbol (libm, _LIB_VERSION_INTERNAL, _LIB_VERSION, GLIBC_2_0);
#elif !defined SHARED
/* For use in .S wrappers. */
weak_alias (_LIB_VERSION_INTERNAL, _LIB_VERSION)
#endif