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have_processes="yes"
;;
*-*-msdosdjgpp*)
have_processes="no"
;;
*)
AC_CHECK_FUNCS([fork dup2 execvp kill _exit], [
if test x"$ac_cv_func_fork" = x"yes" \
-a x"$ac_cv_func_pipe" = x"yes" \
-a x"$ac_cv_func_dup2" = x"yes" \
-a x"$ac_cv_func_execvp" = x"yes" \
-a x"$ac_cv_func_kill" = x"yes" \
-a x"$ac_cv_func__exit" = x"yes"; then
have_processes="yes"
fi
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have_processes="yes"
;;
*-*-msdosdjgpp*)
have_processes="no"
;;
*)
AC_CHECK_FUNCS([fork dup2 execvp kill _exit], [
AS_IF([test x"$ac_cv_func_fork" = x"yes" \
-a x"$ac_cv_func_pipe" = x"yes" \
-a x"$ac_cv_func_dup2" = x"yes" \
-a x"$ac_cv_func_execvp" = x"yes" \
-a x"$ac_cv_func_kill" = x"yes" \
-a x"$ac_cv_func__exit" = x"yes"], [
have_processes="yes"
])
], [
break
])
AC_CHECK_FUNCS(posix_spawnp)
AS_IF([test x"$ac_cv_func_posix_spawnp" = x"yes" \
-a x"$ac_cv_func_kill" = x"yes"], [
have_processes="yes"
AC_CHECK_HEADERS(spawn.h)
])
;;
esac
AS_IF([test x"$have_processes" = x"yes"], [
AC_SUBST(OFPROCESS_M, "OFProcess.m")
AC_DEFINE(OF_HAVE_PROCESSES, 1, [Whether we have processes])
])
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