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authorJoseph Myers <joseph@codesourcery.com>2016-08-03 22:21:37 +0000
committerJoseph Myers <joseph@codesourcery.com>2016-08-03 22:21:37 +0000
commit412cb261b0d66ef5251d7d1c8276b5c522d943b7 (patch)
treea1761d0c902d348f6a8c00c7a155dee2c3cd026d /ChangeLog
parent71b480444799983c2dc4f512671c47f78d99ac13 (diff)
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Support __STDC_WANT_IEC_60559_FUNCS_EXT__ feature test macro.
This patch implements support for the
__STDC_WANT_IEC_60559_FUNCS_EXT__ feature test macro, following the
__GLIBC_USE approach used for other ISO C feature test macros.
Currently this only affects the exp10 functions (which glibc has had
for a long time).

Tested for x86_64 and x86 (testsuite, and that installed stripped
shared libraries are unchanged by the patch).

	* bits/libc-header-start.h (__GLIBC_USE_IEC_60559_FUNCS_EXT): New
	macro.
	* include/features.h (__STDC_WANT_IEC_60559_FUNCS_EXT__):
	Document.
	* manual/creature.texi (__STDC_WANT_IEC_60559_FUNCS_EXT__):
	Document macro.
	* manual/math.texi (exp10): Document as ISO from TS 18661-4:2015.
	(exp10f): Likewise.
	(exp10l): Likewise.
	* math/bits/mathcalls.h (exp10): Declare if
	[__GLIBC_USE (IEC_60559_FUNCS_EXT)], not [__USE_GNU].
Diffstat (limited to 'ChangeLog')
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diff --git a/ChangeLog b/ChangeLog
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--- a/ChangeLog
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@@ -1,5 +1,17 @@
 2016-08-03  Joseph Myers  <joseph@codesourcery.com>
 
+	* bits/libc-header-start.h (__GLIBC_USE_IEC_60559_FUNCS_EXT): New
+	macro.
+	* include/features.h (__STDC_WANT_IEC_60559_FUNCS_EXT__):
+	Document.
+	* manual/creature.texi (__STDC_WANT_IEC_60559_FUNCS_EXT__):
+	Document macro.
+	* manual/math.texi (exp10): Document as ISO from TS 18661-4:2015.
+	(exp10f): Likewise.
+	(exp10l): Likewise.
+	* math/bits/mathcalls.h (exp10): Declare if
+	[__GLIBC_USE (IEC_60559_FUNCS_EXT)], not [__USE_GNU].
+
 	* manual/arith.texi (nextup): Fix typo in last change.
 
 2016-08-03  Zack Weinberg  <zackw@panix.com>