dongjoon-hyun commented on a change in pull request #980:
URL: https://github.com/apache/orc/pull/980#discussion_r776225445
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File path: c++/src/CMakeLists.txt
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@@ -157,7 +157,7 @@ CHECK_CXX_SOURCE_RUNS("
struct tm time2038;
strptime(\"2037-05-05 12:34:56\", \"%Y-%m-%d %H:%M:%S\", &time2037);
strptime(\"2038-05-05 12:34:56\", \"%Y-%m-%d %H:%M:%S\", &time2038);
- return mktime(&time2038) - mktime(&time2037) != 31536000;
+ return (mktime(&time2038) - mktime(&time2037)) <= 31500000;
Review comment:
Does this fail on a system who has YEAR 2038 problem? I'm wondering if
`(mktime(&time2038) - mktime(&time2037))` becomes negative and satisfies `<=
31500000` condition even in that system.
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