blob: 97943eb768b5df3de05ecba955d390816c741221 (
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dnl
AC_DEFUN([RTEMS_CHECK_ATOMIC],
[dnl
AC_REQUIRE([RTEMS_CANONICAL_TARGET_CPU])dnl
AC_CACHE_CHECK([whether CPU supports atomic operations],
[rtems_cv_ATOMIC],[
AS_IF(
[test -f "${srcdir}/score/cpu/$RTEMS_CPU/rtems/score/cpuatomic.h"],
[rtems_cv_ATOMIC="yes"],
[rtems_cv_ATOMIC="no"])
])
])
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