diff options
Diffstat (limited to 'gnulib-m4/pthread_h.m4')
| -rw-r--r-- | gnulib-m4/pthread_h.m4 | 283 |
1 files changed, 283 insertions, 0 deletions
diff --git a/gnulib-m4/pthread_h.m4 b/gnulib-m4/pthread_h.m4 new file mode 100644 index 0000000..4146aef --- /dev/null +++ b/gnulib-m4/pthread_h.m4 @@ -0,0 +1,283 @@ +# pthread_h.m4 serial 8 +dnl Copyright (C) 2009-2022 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +AC_DEFUN_ONCE([gl_PTHREAD_H], +[ + dnl Ensure to expand the default settings once only, before all statements + dnl that occur in other macros. + AC_REQUIRE([gl_PTHREAD_H_DEFAULTS]) + + AC_REQUIRE([AC_CANONICAL_HOST]) + AC_REQUIRE([gl_PTHREADLIB]) + + gl_CHECK_NEXT_HEADERS([pthread.h]) + if test $ac_cv_header_pthread_h = yes; then + HAVE_PTHREAD_H=1 + dnl On mingw, if --enable-threads=windows or gl_AVOID_WINPTHREAD is used, + dnl ignore the <pthread.h> from the mingw-w64 winpthreads library. + m4_ifdef([gl_][THREADLIB], [ + AC_REQUIRE([gl_][THREADLIB]) + if { case "$host_os" in mingw*) true;; *) false;; esac; } \ + && test $gl_threads_api = windows; then + HAVE_PTHREAD_H=0 + fi + ]) + else + HAVE_PTHREAD_H=0 + fi + AC_SUBST([HAVE_PTHREAD_H]) + + AC_CHECK_TYPES([pthread_t, pthread_spinlock_t], [], [], + [AC_INCLUDES_DEFAULT[ + #if HAVE_PTHREAD_H + #include <pthread.h> + #endif]]) + if test $ac_cv_type_pthread_t != yes; then + HAVE_PTHREAD_T=0 + fi + if test $ac_cv_type_pthread_spinlock_t != yes; then + HAVE_PTHREAD_SPINLOCK_T=0 + fi + + dnl Constants may be defined as C preprocessor macros or as enum items. + + AC_CACHE_CHECK([for PTHREAD_CREATE_DETACHED], + [gl_cv_const_PTHREAD_CREATE_DETACHED], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <pthread.h> + int x = PTHREAD_CREATE_DETACHED; + ]], + [[]])], + [gl_cv_const_PTHREAD_CREATE_DETACHED=yes], + [gl_cv_const_PTHREAD_CREATE_DETACHED=no]) + ]) + if test $gl_cv_const_PTHREAD_CREATE_DETACHED != yes; then + HAVE_PTHREAD_CREATE_DETACHED=0 + fi + + AC_CACHE_CHECK([for PTHREAD_MUTEX_RECURSIVE], + [gl_cv_const_PTHREAD_MUTEX_RECURSIVE], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <pthread.h> + int x = PTHREAD_MUTEX_RECURSIVE; + ]], + [[]])], + [gl_cv_const_PTHREAD_MUTEX_RECURSIVE=yes], + [gl_cv_const_PTHREAD_MUTEX_RECURSIVE=no]) + ]) + if test $gl_cv_const_PTHREAD_MUTEX_RECURSIVE != yes; then + HAVE_PTHREAD_MUTEX_RECURSIVE=0 + fi + + AC_CACHE_CHECK([for PTHREAD_MUTEX_ROBUST], + [gl_cv_const_PTHREAD_MUTEX_ROBUST], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <pthread.h> + int x = PTHREAD_MUTEX_ROBUST; + ]], + [[]])], + [gl_cv_const_PTHREAD_MUTEX_ROBUST=yes], + [gl_cv_const_PTHREAD_MUTEX_ROBUST=no]) + ]) + if test $gl_cv_const_PTHREAD_MUTEX_ROBUST != yes; then + HAVE_PTHREAD_MUTEX_ROBUST=0 + fi + + AC_CACHE_CHECK([for PTHREAD_PROCESS_SHARED], + [gl_cv_const_PTHREAD_PROCESS_SHARED], + [AC_COMPILE_IFELSE( + [AC_LANG_PROGRAM( + [[#include <pthread.h> + int x = PTHREAD_PROCESS_SHARED; + ]], + [[]])], + [gl_cv_const_PTHREAD_PROCESS_SHARED=yes], + [gl_cv_const_PTHREAD_PROCESS_SHARED=no]) + ]) + if test $gl_cv_const_PTHREAD_PROCESS_SHARED != yes; then + HAVE_PTHREAD_PROCESS_SHARED=0 + fi + + dnl Check for declarations of anything we want to poison if the + dnl corresponding gnulib module is not in use, if it is not common + dnl enough to be declared everywhere. + gl_WARN_ON_USE_PREPARE([[#include <pthread.h> + ]], [ + pthread_create pthread_attr_init pthread_attr_getdetachstate + pthread_attr_setdetachstate pthread_attr_destroy pthread_self pthread_equal + pthread_detach pthread_join pthread_exit + pthread_once + pthread_mutex_init pthread_mutexattr_init pthread_mutexattr_gettype + pthread_mutexattr_settype pthread_mutexattr_getrobust + pthread_mutexattr_setrobust pthread_mutexattr_destroy pthread_mutex_lock + pthread_mutex_trylock pthread_mutex_timedlock pthread_mutex_unlock + pthread_mutex_destroy + pthread_rwlock_init pthread_rwlockattr_init pthread_rwlockattr_destroy + pthread_rwlock_rdlock pthread_rwlock_wrlock pthread_rwlock_tryrdlock + pthread_rwlock_trywrlock pthread_rwlock_timedrdlock + pthread_rwlock_timedwrlock pthread_rwlock_unlock pthread_rwlock_destroy + pthread_cond_init pthread_condattr_init pthread_condattr_destroy + pthread_cond_wait pthread_cond_timedwait pthread_cond_signal + pthread_cond_broadcast pthread_cond_destroy + pthread_key_create pthread_setspecific pthread_getspecific + pthread_key_delete + pthread_spin_init pthread_spin_lock pthread_spin_trylock pthread_spin_unlock + pthread_spin_destroy]) + + AC_REQUIRE([AC_C_RESTRICT]) + + dnl For backward compatibility with gnulib versions <= 2019-07. + LIB_PTHREAD="$LIBPMULTITHREAD" + AC_SUBST([LIB_PTHREAD]) +]) + +# gl_PTHREAD_MODULE_INDICATOR([modulename]) +# sets the shell variable that indicates the presence of the given module +# to a C preprocessor expression that will evaluate to 1. +# This macro invocation must not occur in macros that are AC_REQUIREd. +AC_DEFUN([gl_PTHREAD_MODULE_INDICATOR], +[ + dnl Ensure to expand the default settings once only. + gl_PTHREAD_H_REQUIRE_DEFAULTS + gl_MODULE_INDICATOR_SET_VARIABLE([$1]) + dnl Define it also as a C macro, for the benefit of the unit tests. + gl_MODULE_INDICATOR_FOR_TESTS([$1]) +]) + +# Initializes the default values for AC_SUBSTed shell variables. +# This macro must not be AC_REQUIREd. It must only be invoked, and only +# outside of macros or in macros that are not AC_REQUIREd. +AC_DEFUN([gl_PTHREAD_H_REQUIRE_DEFAULTS], +[ + m4_defun(GL_MODULE_INDICATOR_PREFIX[_PTHREAD_H_MODULE_INDICATOR_DEFAULTS], [ + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_PTHREAD_THREAD]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_PTHREAD_ONCE]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_PTHREAD_MUTEX]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_PTHREAD_RWLOCK]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_PTHREAD_COND]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_PTHREAD_TSS]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_PTHREAD_SPIN]) + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_PTHREAD_MUTEX_TIMEDLOCK]) + ]) + m4_require(GL_MODULE_INDICATOR_PREFIX[_PTHREAD_H_MODULE_INDICATOR_DEFAULTS]) + AC_REQUIRE([gl_PTHREAD_H_DEFAULTS]) +]) + +AC_DEFUN([gl_PTHREAD_H_DEFAULTS], +[ + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_PTHREAD_T=1; AC_SUBST([HAVE_PTHREAD_T]) + HAVE_PTHREAD_SPINLOCK_T=1; AC_SUBST([HAVE_PTHREAD_SPINLOCK_T]) + HAVE_PTHREAD_CREATE_DETACHED=1; AC_SUBST([HAVE_PTHREAD_CREATE_DETACHED]) + HAVE_PTHREAD_MUTEX_RECURSIVE=1; AC_SUBST([HAVE_PTHREAD_MUTEX_RECURSIVE]) + HAVE_PTHREAD_MUTEX_ROBUST=1; AC_SUBST([HAVE_PTHREAD_MUTEX_ROBUST]) + HAVE_PTHREAD_PROCESS_SHARED=1; AC_SUBST([HAVE_PTHREAD_PROCESS_SHARED]) + HAVE_PTHREAD_CREATE=1; AC_SUBST([HAVE_PTHREAD_CREATE]) + HAVE_PTHREAD_ATTR_INIT=1; AC_SUBST([HAVE_PTHREAD_ATTR_INIT]) + HAVE_PTHREAD_ATTR_GETDETACHSTATE=1; AC_SUBST([HAVE_PTHREAD_ATTR_GETDETACHSTATE]) + HAVE_PTHREAD_ATTR_SETDETACHSTATE=1; AC_SUBST([HAVE_PTHREAD_ATTR_SETDETACHSTATE]) + HAVE_PTHREAD_ATTR_DESTROY=1; AC_SUBST([HAVE_PTHREAD_ATTR_DESTROY]) + HAVE_PTHREAD_SELF=1; AC_SUBST([HAVE_PTHREAD_SELF]) + HAVE_PTHREAD_EQUAL=1; AC_SUBST([HAVE_PTHREAD_EQUAL]) + HAVE_PTHREAD_DETACH=1; AC_SUBST([HAVE_PTHREAD_DETACH]) + HAVE_PTHREAD_JOIN=1; AC_SUBST([HAVE_PTHREAD_JOIN]) + HAVE_PTHREAD_EXIT=1; AC_SUBST([HAVE_PTHREAD_EXIT]) + HAVE_PTHREAD_ONCE=1; AC_SUBST([HAVE_PTHREAD_ONCE]) + HAVE_PTHREAD_MUTEX_INIT=1; AC_SUBST([HAVE_PTHREAD_MUTEX_INIT]) + HAVE_PTHREAD_MUTEXATTR_INIT=1; AC_SUBST([HAVE_PTHREAD_MUTEXATTR_INIT]) + HAVE_PTHREAD_MUTEXATTR_GETTYPE=1; AC_SUBST([HAVE_PTHREAD_MUTEXATTR_GETTYPE]) + HAVE_PTHREAD_MUTEXATTR_SETTYPE=1; AC_SUBST([HAVE_PTHREAD_MUTEXATTR_SETTYPE]) + HAVE_PTHREAD_MUTEXATTR_GETROBUST=1; AC_SUBST([HAVE_PTHREAD_MUTEXATTR_GETROBUST]) + HAVE_PTHREAD_MUTEXATTR_SETROBUST=1; AC_SUBST([HAVE_PTHREAD_MUTEXATTR_SETROBUST]) + HAVE_PTHREAD_MUTEXATTR_DESTROY=1; AC_SUBST([HAVE_PTHREAD_MUTEXATTR_DESTROY]) + HAVE_PTHREAD_MUTEX_LOCK=1; AC_SUBST([HAVE_PTHREAD_MUTEX_LOCK]) + HAVE_PTHREAD_MUTEX_TRYLOCK=1; AC_SUBST([HAVE_PTHREAD_MUTEX_TRYLOCK]) + HAVE_PTHREAD_MUTEX_TIMEDLOCK=1; AC_SUBST([HAVE_PTHREAD_MUTEX_TIMEDLOCK]) + HAVE_PTHREAD_MUTEX_UNLOCK=1; AC_SUBST([HAVE_PTHREAD_MUTEX_UNLOCK]) + HAVE_PTHREAD_MUTEX_DESTROY=1; AC_SUBST([HAVE_PTHREAD_MUTEX_DESTROY]) + HAVE_PTHREAD_RWLOCK_INIT=1; AC_SUBST([HAVE_PTHREAD_RWLOCK_INIT]) + HAVE_PTHREAD_RWLOCKATTR_INIT=1; AC_SUBST([HAVE_PTHREAD_RWLOCKATTR_INIT]) + HAVE_PTHREAD_RWLOCKATTR_DESTROY=1; AC_SUBST([HAVE_PTHREAD_RWLOCKATTR_DESTROY]) + HAVE_PTHREAD_RWLOCK_RDLOCK=1; AC_SUBST([HAVE_PTHREAD_RWLOCK_RDLOCK]) + HAVE_PTHREAD_RWLOCK_WRLOCK=1; AC_SUBST([HAVE_PTHREAD_RWLOCK_WRLOCK]) + HAVE_PTHREAD_RWLOCK_TRYRDLOCK=1; AC_SUBST([HAVE_PTHREAD_RWLOCK_TRYRDLOCK]) + HAVE_PTHREAD_RWLOCK_TRYWRLOCK=1; AC_SUBST([HAVE_PTHREAD_RWLOCK_TRYWRLOCK]) + HAVE_PTHREAD_RWLOCK_TIMEDRDLOCK=1; AC_SUBST([HAVE_PTHREAD_RWLOCK_TIMEDRDLOCK]) + HAVE_PTHREAD_RWLOCK_TIMEDWRLOCK=1; AC_SUBST([HAVE_PTHREAD_RWLOCK_TIMEDWRLOCK]) + HAVE_PTHREAD_RWLOCK_UNLOCK=1; AC_SUBST([HAVE_PTHREAD_RWLOCK_UNLOCK]) + HAVE_PTHREAD_RWLOCK_DESTROY=1; AC_SUBST([HAVE_PTHREAD_RWLOCK_DESTROY]) + HAVE_PTHREAD_COND_INIT=1; AC_SUBST([HAVE_PTHREAD_COND_INIT]) + HAVE_PTHREAD_CONDATTR_INIT=1; AC_SUBST([HAVE_PTHREAD_CONDATTR_INIT]) + HAVE_PTHREAD_CONDATTR_DESTROY=1; AC_SUBST([HAVE_PTHREAD_CONDATTR_DESTROY]) + HAVE_PTHREAD_COND_WAIT=1; AC_SUBST([HAVE_PTHREAD_COND_WAIT]) + HAVE_PTHREAD_COND_TIMEDWAIT=1; AC_SUBST([HAVE_PTHREAD_COND_TIMEDWAIT]) + HAVE_PTHREAD_COND_SIGNAL=1; AC_SUBST([HAVE_PTHREAD_COND_SIGNAL]) + HAVE_PTHREAD_COND_BROADCAST=1; AC_SUBST([HAVE_PTHREAD_COND_BROADCAST]) + HAVE_PTHREAD_COND_DESTROY=1; AC_SUBST([HAVE_PTHREAD_COND_DESTROY]) + HAVE_PTHREAD_KEY_CREATE=1; AC_SUBST([HAVE_PTHREAD_KEY_CREATE]) + HAVE_PTHREAD_SETSPECIFIC=1; AC_SUBST([HAVE_PTHREAD_SETSPECIFIC]) + HAVE_PTHREAD_GETSPECIFIC=1; AC_SUBST([HAVE_PTHREAD_GETSPECIFIC]) + HAVE_PTHREAD_KEY_DELETE=1; AC_SUBST([HAVE_PTHREAD_KEY_DELETE]) + HAVE_PTHREAD_SPIN_INIT=1; AC_SUBST([HAVE_PTHREAD_SPIN_INIT]) + HAVE_PTHREAD_SPIN_LOCK=1; AC_SUBST([HAVE_PTHREAD_SPIN_LOCK]) + HAVE_PTHREAD_SPIN_TRYLOCK=1; AC_SUBST([HAVE_PTHREAD_SPIN_TRYLOCK]) + HAVE_PTHREAD_SPIN_UNLOCK=1; AC_SUBST([HAVE_PTHREAD_SPIN_UNLOCK]) + HAVE_PTHREAD_SPIN_DESTROY=1; AC_SUBST([HAVE_PTHREAD_SPIN_DESTROY]) + REPLACE_PTHREAD_CREATE=0; AC_SUBST([REPLACE_PTHREAD_CREATE]) + REPLACE_PTHREAD_ATTR_INIT=0; AC_SUBST([REPLACE_PTHREAD_ATTR_INIT]) + REPLACE_PTHREAD_ATTR_GETDETACHSTATE=0; AC_SUBST([REPLACE_PTHREAD_ATTR_GETDETACHSTATE]) + REPLACE_PTHREAD_ATTR_SETDETACHSTATE=0; AC_SUBST([REPLACE_PTHREAD_ATTR_SETDETACHSTATE]) + REPLACE_PTHREAD_ATTR_DESTROY=0; AC_SUBST([REPLACE_PTHREAD_ATTR_DESTROY]) + REPLACE_PTHREAD_SELF=0; AC_SUBST([REPLACE_PTHREAD_SELF]) + REPLACE_PTHREAD_EQUAL=0; AC_SUBST([REPLACE_PTHREAD_EQUAL]) + REPLACE_PTHREAD_DETACH=0; AC_SUBST([REPLACE_PTHREAD_DETACH]) + REPLACE_PTHREAD_JOIN=0; AC_SUBST([REPLACE_PTHREAD_JOIN]) + REPLACE_PTHREAD_EXIT=0; AC_SUBST([REPLACE_PTHREAD_EXIT]) + REPLACE_PTHREAD_ONCE=0; AC_SUBST([REPLACE_PTHREAD_ONCE]) + REPLACE_PTHREAD_MUTEX_INIT=0; AC_SUBST([REPLACE_PTHREAD_MUTEX_INIT]) + REPLACE_PTHREAD_MUTEXATTR_INIT=0; AC_SUBST([REPLACE_PTHREAD_MUTEXATTR_INIT]) + REPLACE_PTHREAD_MUTEXATTR_GETTYPE=0; AC_SUBST([REPLACE_PTHREAD_MUTEXATTR_GETTYPE]) + REPLACE_PTHREAD_MUTEXATTR_SETTYPE=0; AC_SUBST([REPLACE_PTHREAD_MUTEXATTR_SETTYPE]) + REPLACE_PTHREAD_MUTEXATTR_GETROBUST=0; AC_SUBST([REPLACE_PTHREAD_MUTEXATTR_GETROBUST]) + REPLACE_PTHREAD_MUTEXATTR_SETROBUST=0; AC_SUBST([REPLACE_PTHREAD_MUTEXATTR_SETROBUST]) + REPLACE_PTHREAD_MUTEXATTR_DESTROY=0; AC_SUBST([REPLACE_PTHREAD_MUTEXATTR_DESTROY]) + REPLACE_PTHREAD_MUTEX_LOCK=0; AC_SUBST([REPLACE_PTHREAD_MUTEX_LOCK]) + REPLACE_PTHREAD_MUTEX_TRYLOCK=0; AC_SUBST([REPLACE_PTHREAD_MUTEX_TRYLOCK]) + REPLACE_PTHREAD_MUTEX_TIMEDLOCK=0; AC_SUBST([REPLACE_PTHREAD_MUTEX_TIMEDLOCK]) + REPLACE_PTHREAD_MUTEX_UNLOCK=0; AC_SUBST([REPLACE_PTHREAD_MUTEX_UNLOCK]) + REPLACE_PTHREAD_MUTEX_DESTROY=0; AC_SUBST([REPLACE_PTHREAD_MUTEX_DESTROY]) + REPLACE_PTHREAD_RWLOCK_INIT=0; AC_SUBST([REPLACE_PTHREAD_RWLOCK_INIT]) + REPLACE_PTHREAD_RWLOCKATTR_INIT=0; AC_SUBST([REPLACE_PTHREAD_RWLOCKATTR_INIT]) + REPLACE_PTHREAD_RWLOCKATTR_DESTROY=0; AC_SUBST([REPLACE_PTHREAD_RWLOCKATTR_DESTROY]) + REPLACE_PTHREAD_RWLOCK_RDLOCK=0; AC_SUBST([REPLACE_PTHREAD_RWLOCK_RDLOCK]) + REPLACE_PTHREAD_RWLOCK_WRLOCK=0; AC_SUBST([REPLACE_PTHREAD_RWLOCK_WRLOCK]) + REPLACE_PTHREAD_RWLOCK_TRYRDLOCK=0; AC_SUBST([REPLACE_PTHREAD_RWLOCK_TRYRDLOCK]) + REPLACE_PTHREAD_RWLOCK_TRYWRLOCK=0; AC_SUBST([REPLACE_PTHREAD_RWLOCK_TRYWRLOCK]) + REPLACE_PTHREAD_RWLOCK_TIMEDRDLOCK=0; AC_SUBST([REPLACE_PTHREAD_RWLOCK_TIMEDRDLOCK]) + REPLACE_PTHREAD_RWLOCK_TIMEDWRLOCK=0; AC_SUBST([REPLACE_PTHREAD_RWLOCK_TIMEDWRLOCK]) + REPLACE_PTHREAD_RWLOCK_UNLOCK=0; AC_SUBST([REPLACE_PTHREAD_RWLOCK_UNLOCK]) + REPLACE_PTHREAD_RWLOCK_DESTROY=0; AC_SUBST([REPLACE_PTHREAD_RWLOCK_DESTROY]) + REPLACE_PTHREAD_COND_INIT=0; AC_SUBST([REPLACE_PTHREAD_COND_INIT]) + REPLACE_PTHREAD_CONDATTR_INIT=0; AC_SUBST([REPLACE_PTHREAD_CONDATTR_INIT]) + REPLACE_PTHREAD_CONDATTR_DESTROY=0; AC_SUBST([REPLACE_PTHREAD_CONDATTR_DESTROY]) + REPLACE_PTHREAD_COND_WAIT=0; AC_SUBST([REPLACE_PTHREAD_COND_WAIT]) + REPLACE_PTHREAD_COND_TIMEDWAIT=0; AC_SUBST([REPLACE_PTHREAD_COND_TIMEDWAIT]) + REPLACE_PTHREAD_COND_SIGNAL=0; AC_SUBST([REPLACE_PTHREAD_COND_SIGNAL]) + REPLACE_PTHREAD_COND_BROADCAST=0; AC_SUBST([REPLACE_PTHREAD_COND_BROADCAST]) + REPLACE_PTHREAD_COND_DESTROY=0; AC_SUBST([REPLACE_PTHREAD_COND_DESTROY]) + REPLACE_PTHREAD_KEY_CREATE=0; AC_SUBST([REPLACE_PTHREAD_KEY_CREATE]) + REPLACE_PTHREAD_SETSPECIFIC=0; AC_SUBST([REPLACE_PTHREAD_SETSPECIFIC]) + REPLACE_PTHREAD_GETSPECIFIC=0; AC_SUBST([REPLACE_PTHREAD_GETSPECIFIC]) + REPLACE_PTHREAD_KEY_DELETE=0; AC_SUBST([REPLACE_PTHREAD_KEY_DELETE]) + REPLACE_PTHREAD_SPIN_INIT=0; AC_SUBST([REPLACE_PTHREAD_SPIN_INIT]) + REPLACE_PTHREAD_SPIN_LOCK=0; AC_SUBST([REPLACE_PTHREAD_SPIN_LOCK]) + REPLACE_PTHREAD_SPIN_TRYLOCK=0; AC_SUBST([REPLACE_PTHREAD_SPIN_TRYLOCK]) + REPLACE_PTHREAD_SPIN_UNLOCK=0; AC_SUBST([REPLACE_PTHREAD_SPIN_UNLOCK]) + REPLACE_PTHREAD_SPIN_DESTROY=0; AC_SUBST([REPLACE_PTHREAD_SPIN_DESTROY]) +]) |