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libstdc++: Enable std::text_encoding for darwin and FreeBSD

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The <xlocale.h> header is needed for newlocale and locale_t on these
targets.

libstdc++-v3/ChangeLog:

	* acinclude.m4 (GLIBCXX_CHECK_TEXT_ENCODING): Use <xlocale.h> if
	needed for newlocale.
	* configure: Regenerate.
	* src/c++26/text_encoding.cc: Use <xlocale.h>.

Reviewed-by: Iain Sandoe <iain@sandoe.co.uk>
This commit is contained in:
Jonathan Wakely 2024-01-30 14:28:09 +00:00
parent 358fd42aab
commit 9bf91fa360
3 changed files with 9 additions and 0 deletions
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3
libstdc++-v3/acinclude.m4
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@ -5834,6 +5834,9 @@ AC_LANG_SAVE
AC_MSG_CHECKING([whether nl_langinfo_l is defined in <langinfo.h>])
AC_TRY_COMPILE([
#include <locale.h>
#if __has_include(<xlocale.h>)
# include <xlocale.h>
#endif
#include <langinfo.h>
],[
locale_t loc = newlocale(LC_ALL_MASK, "", (locale_t)0);

3
libstdc++-v3/configure vendored
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@ -54533,6 +54533,9 @@ $as_echo_n "checking whether nl_langinfo_l is defined in <langinfo.h>... " >&6;
/* end confdefs.h. */
#include <locale.h>
#if __has_include(<xlocale.h>)
# include <xlocale.h>
#endif
#include <langinfo.h>
int

3
libstdc++-v3/src/c++26/text_encoding.cc
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@ -27,6 +27,9 @@
#ifdef _GLIBCXX_USE_NL_LANGINFO_L
#include <locale.h>
#if __has_include(<xlocale.h>)
# include <xlocale.h>
#endif
#include <langinfo.h>
#if __CHAR_BIT__ == 8