[llvm] r258891 - test-release.sh: Ignore LC_CTYPE in sed invocation on Darwin

Hans Wennborg via llvm-commits llvm-commits at lists.llvm.org
Tue Jan 26 16:19:06 PST 2016

Author: hans
Date: Tue Jan 26 18:19:05 2016
New Revision: 258891

URL: http://llvm.org/viewvc/llvm-project?rev=258891&view=rev
test-release.sh: Ignore LC_CTYPE in sed invocation on Darwin

Here, sed is used to prepare object files for comparison via cmp. On my Darwin
15.4.0 machine, LC_CTYPE is set to UTF-8 (by default, I believe). Under these
circumstances, anything sed is made to read will be treated as UTF-8, prompting
it to signal an error if it is not, like so:

% sed s/a/b/ <(head -n1 /dev/random) >/dev/null; echo $?
sed: RE error: illegal byte sequence

To make sed work as expected, I need to set LC_CTYPE to C:

% env LC_CTYPE=C sed s/a/b/ <(head -n1 /dev/random) >/dev/null; echo $?

Without this change, sed will exit with an error for every single file that it
compares between phase 2 and phase 3, thereby making it look as if the
differences were far larger than they are.

Patch by Elias Pipping!

Differential Revision: http://reviews.llvm.org/D16548


Modified: llvm/trunk/utils/release/test-release.sh
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/release/test-release.sh?rev=258891&r1=258890&r2=258891&view=diff
--- llvm/trunk/utils/release/test-release.sh (original)
+++ llvm/trunk/utils/release/test-release.sh Tue Jan 26 18:19:05 2016
@@ -541,8 +541,9 @@ for Flavor in $Flavors ; do
             # Substitute 'Phase2' for 'Phase3' in the Phase 2 object file in
             # case there are build paths in the debug info. On some systems,
             # sed adds a newline to the output, so pass $p3 through sed too.
-            if ! cmp -s <(sed -e 's,Phase2,Phase3,g' $p2) <(sed -e '' $p3) \
-                    16 16 ; then
+            if ! cmp -s \
+                <(env LC_CTYPE=C sed -e 's,Phase2,Phase3,g' $p2) \
+                <(env LC_CTYPE=C sed -e '' $p3) 16 16; then
                 echo "file `basename $p2` differs between phase 2 and phase 3"

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