Test/EVSE/GPL/php-5.6.40/ext/pcntl/config.m4

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PHP_ARG_ENABLE(pcntl, whether to enable pcntl support,
[  --enable-pcntl          Enable pcntl support (CLI/CGI only)])

if test "$PHP_PCNTL" != "no"; then
  AC_CHECK_FUNCS(fork, [ AC_DEFINE(HAVE_FORK,1,[ ]) ], [ AC_MSG_ERROR(pcntl: fork() not supported by this platform) ])
  AC_CHECK_FUNCS(waitpid, [ AC_DEFINE(HAVE_WAITPID,1,[ ]) ], [ AC_MSG_ERROR(pcntl: waitpid() not supported by this platform) ])
  AC_CHECK_FUNCS(sigaction, [ AC_DEFINE(HAVE_SIGACTION,1,[ ]) ], [ AC_MSG_ERROR(pcntl: sigaction() not supported by this platform) ])
  AC_CHECK_FUNCS([getpriority setpriority wait3 sigprocmask sigwaitinfo sigtimedwait])
  PHP_NEW_EXTENSION(pcntl, pcntl.c php_signal.c, $ext_shared, cli)
fi