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