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AC_EGREP_CPP(egrep_cpp_yes, [
#include <TargetConditionals.h>
#if (!defined(TARGET_OS_IPHONE) || !TARGET_OS_IPHONE) && \
(!defined(TARGET_OS_SIMULATOR) || !TARGET_OS_SIMULATOR)
egrep_cpp_yes
#endif
], [
AC_MSG_RESULT(yes)
have_subprocesses="yes"
AC_CHECK_FUNCS(posix_spawnp)
AC_CHECK_HEADERS(spawn.h)
], [
AC_MSG_RESULT(no)
have_subprocesses="no"
])
;;
mingw*)
have_subprocesses="yes"
;;
msdosdjgpp*)
have_subprocesses="no"
;;
*)
have_subprocesses="yes"
AC_CHECK_HEADERS(spawn.h)
])
], [
AC_CHECK_FUNCS([vfork dup2 execvp _exit], [
AS_IF([test x"$ac_cv_func_vfork" = x"yes" \
-a x"$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_subprocesses="yes"
])
], [
break
])
])
;;
esac
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AC_EGREP_CPP(egrep_cpp_yes, [
#include <TargetConditionals.h>
#if (!defined(TARGET_OS_IPHONE) || !TARGET_OS_IPHONE) && \
(!defined(TARGET_OS_SIMULATOR) || !TARGET_OS_SIMULATOR)
egrep_cpp_yes
#endif
], [], [
AC_MSG_RESULT(no)
have_subprocesses="no"
])
;;
mingw*)
have_subprocesses="yes"
;;
msdosdjgpp*)
have_subprocesses="no"
;;
esac
AS_IF([test x"$have_subprocesses" = x""], [
AC_HEADER_SYS_WAIT
AC_CHECK_FUNCS(kill)
AC_CHECK_FUNCS(posix_spawnp, [
AS_IF([test x"$ac_cv_func_kill" = x"yes"], [
AC_CHECK_HEADERS(spawn.h, [have_subprocesses="yes"])
])
])
AS_IF([test x"$have_subprocesses" = x""], [
AC_CHECK_FUNCS([vfork dup2 execvp _exit], [
AS_IF([test x"$ac_cv_func_vfork" = 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"$ac_cv_func__exit" = x"yes"], [
have_subprocesses="yes"
])
], [
break
])
])
])
AS_IF([test x"$have_subprocesses" = x"yes"], [
AC_SUBST(OF_SUBPROCESS_M, "OFSubprocess.m")
AC_DEFINE(OF_HAVE_SUBPROCESSES, 1, [Whether we have subprocesses])
])
AC_CHECK_HEADERS_ONCE([complex.h sys/ioctl.h sys/ttycom.h])
AC_CHECK_FUNCS(isatty)
|