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-rw-r--r--config/acx.m42
1 files changed, 1 insertions, 1 deletions
diff --git a/config/acx.m4 b/config/acx.m4
index 9ff31eb85f3..ab42972f4a0 100644
--- a/config/acx.m4
+++ b/config/acx.m4
@@ -404,7 +404,7 @@ AC_DEFUN([ACX_PROG_CMP_IGNORE_INITIAL],
[AC_CACHE_CHECK([how to compare bootstrapped objects], gcc_cv_prog_cmp_skip,
[ echo abfoo >t1
echo cdfoo >t2
- gcc_cv_prog_cmp_skip='tail +16c $$f1 > tmp-foo1; tail +16c $$f2 > tmp-foo2; cmp tmp-foo1 tmp-foo2'
+ gcc_cv_prog_cmp_skip='tail -c +17 $$f1 > tmp-foo1; tail -c +17 $$f2 > tmp-foo2; cmp tmp-foo1 tmp-foo2'
if cmp t1 t2 2 2 > /dev/null 2>&1; then
if cmp t1 t2 1 1 > /dev/null 2>&1; then
: