configure: Remove HAVE_THREADS_H support

cpukit/configure.ac

@@ -136,12 +136,9 @@ AC_CHECK_FUNCS([ttyname getcwd])
 
 # Check if the installed toolchain provides these headers
 # and error out if not.
-AC_CHECK_HEADERS([tar.h errno.h sched.h semaphore.h sys/cdefs.h sys/queue.h],,
+AC_CHECK_HEADERS([errno.h sched.h semaphore.h sys/cdefs.h sys/queue.h tar.h threads.h],,
   [RTEMS_TOOL_CHAIN_ERROR])
 
-AC_CHECK_HEADERS([threads.h])
-AM_CONDITIONAL([HAVE_THREADS_H],[test x"$ac_cv_header_threads_h" = x"yes"])
-
 ## error out if libc doesn't provide stdint.h
 AS_IF([test x"${ac_cv_header_stdint_h}" != xyes],
 [RTEMS_TOOL_CHAIN_ERROR])

cpukit/libstdthreads/Makefile.am

@@ -8,7 +8,6 @@ libstdthreads_a_CFLAGS = -std=c11
 libstdthreads_a_CPPFLAGS = $(AM_CPPFLAGS)
 
 libstdthreads_a_SOURCES =
-if HAVE_THREADS_H
 libstdthreads_a_SOURCES += call_once.c
 libstdthreads_a_SOURCES += cnd.c
 libstdthreads_a_SOURCES += mtx.c
@@ -16,6 +15,5 @@ if HAS_PTHREADS
 libstdthreads_a_SOURCES += thrd.c
 endif
 libstdthreads_a_SOURCES += tss.c
-endif
 
 include $(top_srcdir)/automake/local.am

testsuites/sptests/Makefile.am

@@ -44,9 +44,7 @@ endif
 if HAS__THREAD_QUEUE_QUEUE
 _SUBDIRS += spsyslock01
 endif
-if HAS_THREADS_H
 _SUBDIRS += spstdthreads01
-endif
 _SUBDIRS += splinkersets01
 _SUBDIRS += sptasknopreempt01
 _SUBDIRS += spintrcritical23

testsuites/sptests/configure.ac

@@ -33,9 +33,6 @@ AC_CHECK_SIZEOF([time_t])
 AC_CHECK_TYPES([struct _Thread_queue_Queue],[],[],[#include <sys/lock.h>])
 AM_CONDITIONAL(HAS__THREAD_QUEUE_QUEUE,test x"${ac_cv_type_struct__Thread_queue_Queue}" = x"yes")
 
-AC_CHECK_HEADERS([threads.h])
-AM_CONDITIONAL([HAS_THREADS_H],[test x"$ac_cv_header_threads_h" = x"yes"])
-
 # Some tests should not be built/run in SMP configurations
 RTEMS_CHECK_CPUOPTS([RTEMS_SMP])
 AM_CONDITIONAL(HAS_SMP,test "$rtems_cv_RTEMS_SMP" = "yes")