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f265336d3b
All auto-generated files are created by running ./build-aux/bootstrap with Gnulib as at commit a7967a2cf0998b6c157c7cf8e1d8d9d11dab30b0 (with a date stamp of Thu Mar 15 08:46:29 2012 -0700), Autoconf 2.68, Automake 1.11.3 and Gettext 0.18.1.1.
42 lines
1.3 KiB
Plaintext
42 lines
1.3 KiB
Plaintext
# lock.m4 serial 11 (gettext-0.18.2)
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dnl Copyright (C) 2005-2012 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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dnl From Bruno Haible.
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AC_DEFUN([gl_LOCK],
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[
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AC_REQUIRE([gl_THREADLIB])
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if test "$gl_threads_api" = posix; then
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# OSF/1 4.0 and MacOS X 10.1 lack the pthread_rwlock_t type and the
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# pthread_rwlock_* functions.
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AC_CHECK_TYPE([pthread_rwlock_t],
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[AC_DEFINE([HAVE_PTHREAD_RWLOCK], [1],
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[Define if the POSIX multithreading library has read/write locks.])],
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[],
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[#include <pthread.h>])
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# glibc defines PTHREAD_MUTEX_RECURSIVE as enum, not as a macro.
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AC_COMPILE_IFELSE([
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AC_LANG_PROGRAM(
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[[#include <pthread.h>]],
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[[
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#if __FreeBSD__ == 4
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error "No, in FreeBSD 4.0 recursive mutexes actually don't work."
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#else
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int x = (int)PTHREAD_MUTEX_RECURSIVE;
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return !x;
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#endif
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]])],
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[AC_DEFINE([HAVE_PTHREAD_MUTEX_RECURSIVE], [1],
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[Define if the <pthread.h> defines PTHREAD_MUTEX_RECURSIVE.])])
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fi
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gl_PREREQ_LOCK
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])
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# Prerequisites of lib/lock.c.
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AC_DEFUN([gl_PREREQ_LOCK], [
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AC_REQUIRE([AC_C_INLINE])
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])
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