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dnl
dnl $Id$
dnl
dnl Check whether the target compiler accepts -pipe
dnl
dnl 98/02/11 Ralf Corsepius corsepiu@faw.uni-ulm.de
dnl
AC_DEFUN(RTEMS_GCC_PIPE,
[AC_REQUIRE([RTEMS_PROG_CC])
AC_REQUIRE([AC_CANONICAL_HOST])
AC_CACHE_CHECK(whether $CC_FOR_TARGET accepts --pipe,rtems_cv_gcc_pipe,
[
case "$host_os" in
cygwin32*)
rtems_cv_gcc_pipe=no
;;
*)
echo 'void f(){}' >conftest.c
if test -z "`${CC_FOR_TARGET} --pipe -c conftest.c 2>&1`";then
rtems_cv_gcc_pipe=yes
else
rtems_cv_gcc_pipe=no
fi
rm -f conftest*
;;
esac
])
])
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