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-rw-r--r--c/src/tests/aclocal/gcc-pipe.m421
1 files changed, 21 insertions, 0 deletions
diff --git a/c/src/tests/aclocal/gcc-pipe.m4 b/c/src/tests/aclocal/gcc-pipe.m4
new file mode 100644
index 0000000000..093ea2edf4
--- /dev/null
+++ b/c/src/tests/aclocal/gcc-pipe.m4
@@ -0,0 +1,21 @@
+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
+])
+])