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Diffstat (limited to 'aclocal/gcc-pipe.m4')
| -rw-r--r-- | aclocal/gcc-pipe.m4 | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/aclocal/gcc-pipe.m4 b/aclocal/gcc-pipe.m4 new file mode 100644 index 0000000000..0c9ae41441 --- /dev/null +++ b/aclocal/gcc-pipe.m4 @@ -0,0 +1,20 @@ +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_CACHE_CHECK(whether $CC_FOR_TARGET accepts --pipe,rtems_cv_gcc_pipe, +[ +echo 'void f(){}' >conftest.c +if test -z "`${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* +])]) |