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Support strfromf128 alias.

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This patch adds support for building strfromf128 as an alias of
strfroml, in the case of __HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128.

Tested with build-many-glibcs.py that installed stripped shared
libraries are unchanged by this patch.  Also tested together with
changes to enable float128 aliases.

	* stdlib/strfroml.c: Include <bits/floatn.h>.
	[__HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128] (strfromf128):
	Define before include of <stdlib.h> and undefine afterwards, then
	define as weak alias.
This commit is contained in:
Joseph Myers 2017-10-13 23:09:48 +00:00
parent f8718a9e16
commit 18c08b9641
2 changed files with 17 additions and 0 deletions
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5
ChangeLog
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@ -1,5 +1,10 @@
2017-10-13 Joseph Myers <joseph@codesourcery.com>
* stdlib/strfroml.c: Include <bits/floatn.h>.
[__HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128] (strfromf128):
Define before include of <stdlib.h> and undefine afterwards, then
define as weak alias.
* sysdeps/ieee754/ldbl-64-128/s_nextafterl.c (weak_alias):
Undefine and restore default definition. Use
libm_alias_ldouble_other.

12
stdlib/strfroml.c
View File

@ -16,7 +16,19 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <bits/floatn.h>
#define FLOAT long double
#define STRFROM strfroml
#if __HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128
# define strfromf128 __hide_strfromf128
# include <stdlib.h>
# undef strfromf128
#endif
#include "strfrom-skeleton.c"
#if __HAVE_FLOAT128 && !__HAVE_DISTINCT_FLOAT128
weak_alias (strfroml, strfromf128)
#endif