call_once

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Hash : 9eeae87d
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Date : 2024-05-30T10:55:40

call_once: Work around Cygwin 3.5.3 bug.

* m4/call_once.m4 (gl_FUNC_CALL_ONCE): Require AC_CANONICAL_HOST.
On Cygwin, set REPLACE_CALL_ONCE to 1.
* lib/call_once.c (call_once): On Cygwin, use a cast, to avoid a
compiler warning.
* modules/call_once (Depends-on): Add pthread-once.
* doc/posix-functions/call_once.texi: Mention the Cygwin bug.

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modules/call_once

Description:
call_once() function: ISO C 11 once-only initialization.

Files:
lib/call_once.c
m4/call_once.m4

Depends-on:
threads-h
pthread-once
windows-once

configure.ac:
AC_REQUIRE([gl_THREADS_H])
gl_FUNC_CALL_ONCE
gl_CONDITIONAL([GL_COND_OBJ_CALL_ONCE],
               [test $HAVE_THREADS_H = 0 || test $REPLACE_CALL_ONCE = 1])
gl_THREADS_MODULE_INDICATOR([call_once])

Makefile.am:
if GL_COND_OBJ_CALL_ONCE
lib_SOURCES += call_once.c
endif

Include:
<threads.h>

Link:
$(LIBSTDTHREAD)

License:
LGPLv2+

Maintainer:
all

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kc3-lang/gnulib/modules/call_once

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modules/call_once