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-rw-r--r--c/src/aclocal/rtems-top.m42
1 files changed, 1 insertions, 1 deletions
diff --git a/c/src/aclocal/rtems-top.m4 b/c/src/aclocal/rtems-top.m4
index dcba9e422c..d7329d7d95 100644
--- a/c/src/aclocal/rtems-top.m4
+++ b/c/src/aclocal/rtems-top.m4
@@ -20,7 +20,7 @@ AC_PREFIX_DEFAULT([/opt/rtems-][RTEMS_API])
AC_SUBST([RTEMS_TOPdir],["$1"])
# HACK: The sed pattern in rtems_updir matches c/src/
-rtems_updir=m4_if([$2],[],[`echo "$1/" | sed s,^\.\.\/\.\.\/,,`],[$2/])
+rtems_updir=m4_if([$2],[],[`echo "$1/" | sed 's,^\.\.\/\.\.\/,,'`],[$2/])
AS_IF([test -n "${with_target_subdir}"],
[project_top="../${with_project_top}"],