Files
rtems/cpukit/aclocal/gcc-pipe.m4
Ralf Corsepius ed8ec1cf11 2002-06-17 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
* copied over from aclocal/.
2002-06-17 08:52:47 +00:00

22 lines
430 B
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dnl
dnl $Id$
dnl
dnl Check whether the target compiler accepts -pipe
dnl
AC_DEFUN(RTEMS_GCC_PIPE,
[AC_REQUIRE([RTEMS_PROG_CC])
AC_REQUIRE([AC_CANONICAL_HOST])
AC_CACHE_CHECK(whether $CC accepts --pipe,rtems_cv_gcc_pipe,
[
rtems_cv_gcc_pipe=no
if test x"$GCC" = x"yes"; then
echo 'void f(){}' >conftest.c
if test -z "`${CC} --pipe -c conftest.c 2>&1`";then
rtems_cv_gcc_pipe=yes
fi
rm -f conftest*
fi
])
])