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authorRalf Corsepius <ralf.corsepius@rtems.org>2002-06-17 08:52:47 +0000
committerRalf Corsepius <ralf.corsepius@rtems.org>2002-06-17 08:52:47 +0000
commited8ec1cf119e0886f816697e3ee367476d90bea2 (patch)
tree0b3c7846d92f35bd6fe8038814d8e89ac667e761 /cpukit/aclocal/gcc-pipe.m4
parent2002-06-15 Ralf Corsepius <corsepiu@faw.uni-ulm.de> (diff)
downloadrtems-ed8ec1cf119e0886f816697e3ee367476d90bea2.tar.bz2
2002-06-17 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
* copied over from aclocal/.
Diffstat (limited to 'cpukit/aclocal/gcc-pipe.m4')
-rw-r--r--cpukit/aclocal/gcc-pipe.m421
1 files changed, 21 insertions, 0 deletions
diff --git a/cpukit/aclocal/gcc-pipe.m4 b/cpukit/aclocal/gcc-pipe.m4
new file mode 100644
index 0000000000..093ea2edf4
--- /dev/null
+++ b/cpukit/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
+])
+])