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-rw-r--r--third-party/cmake/DownloadAndExtractFile.cmake8
1 files changed, 6 insertions, 2 deletions
diff --git a/third-party/cmake/DownloadAndExtractFile.cmake b/third-party/cmake/DownloadAndExtractFile.cmake
index eb5c1c6602..b0d28355cb 100644
--- a/third-party/cmake/DownloadAndExtractFile.cmake
+++ b/third-party/cmake/DownloadAndExtractFile.cmake
@@ -59,9 +59,13 @@ message(STATUS "downloading...
timeout='${timeout_msg}'")
if((DEFINED EXPECTED_SHA1) AND (${CMAKE_VERSION} VERSION_GREATER 2.8.10))
- set(hash_args EXPECTED_HASH SHA1=${EXPECTED_SHA1})
+ if(NOT (EXPECTED_SHA1 STREQUAL "0000000000000000000000000000000000000000"))
+ set(hash_args EXPECTED_HASH SHA1=${EXPECTED_SHA1})
+ endif()
else()
- set(hash_args EXPECTED_MD5 ${EXPECTED_MD5})
+ if(NOT (EXPECTED_MD5 STREQUAL "00000000000000000000000000000000"))
+ set(hash_args EXPECTED_MD5 ${EXPECTED_MD5})
+ endif()
endif()
file(DOWNLOAD ${URL} ${file}