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-rw-r--r--cmake/Modules/UseSWIG.cmake2
1 files changed, 1 insertions, 1 deletions
diff --git a/cmake/Modules/UseSWIG.cmake b/cmake/Modules/UseSWIG.cmake
index e55543532f..a37cc41ae4 100644
--- a/cmake/Modules/UseSWIG.cmake
+++ b/cmake/Modules/UseSWIG.cmake
@@ -176,7 +176,7 @@ macro(SWIG_ADD_SOURCE_TO_MODULE name outfiles infile)
file(RELATIVE_PATH reldir ${CMAKE_BINARY_DIR} ${CMAKE_CURRENT_BINARY_DIR})
execute_process(
COMMAND ${PYTHON_EXECUTABLE} -c "import re, hashlib
-unique = hashlib.md5('${reldir}${ARGN}').hexdigest()[:5]
+unique = hashlib.md5(b'${reldir}${ARGN}').hexdigest()[:5]
print(re.sub('\\W', '_', '${name} ${reldir} ' + unique))"
OUTPUT_VARIABLE _target OUTPUT_STRIP_TRAILING_WHITESPACE
)