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-rw-r--r--m4/rtems-checktop.m423
1 files changed, 23 insertions, 0 deletions
diff --git a/m4/rtems-checktop.m4 b/m4/rtems-checktop.m4
new file mode 100644
index 0000000..6a8155b
--- /dev/null
+++ b/m4/rtems-checktop.m4
@@ -0,0 +1,23 @@
+# Verify that the --with-rtems-top option has been given
+# and that the directory it specifies has a subdirectory
+# ${with_rtems_top}/${host_cpu}-${host_os}
+#
+# Throw an error if this test fails.
+#
+# TILLAC_RTEMS_CHECK_TOP
+#
+AC_DEFUN([TILLAC_RTEMS_CHECK_TOP],
+ [AC_REQUIRE([AC_CANONICAL_HOST])
+ AC_REQUIRE([TILLAC_RTEMS_OPTIONS])
+ if TILLAC_RTEMS_OS_IS_RTEMS ; then
+ if test ! "${with_rtems_top+set}" = "set" ; then
+ AC_MSG_ERROR([No RTEMS topdir given; use --with-rtems-top option])
+ fi
+ AC_MSG_CHECKING([Checking RTEMS installation topdir])
+ if test ! -d $with_rtems_top/${host_cpu}-${host_os}/ ; then
+ AC_MSG_ERROR([RTEMS topdir $with_rtems_top/${host_cpu}-${host_os}/ not found])
+ fi
+ AC_MSG_RESULT([OK])
+ fi
+ ]dnl
+)