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Posted to hdfs-dev@hadoop.apache.org by "Gautham Banasandra (Jira)" <ji...@apache.org> on 2022/07/17 15:19:00 UTC
[jira] [Resolved] (HDFS-16654) Link OpenSSL lib for CMake deps check
[ https://issues.apache.org/jira/browse/HDFS-16654?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Gautham Banasandra resolved HDFS-16654.
---------------------------------------
Fix Version/s: 3.4.0
Resolution: Fixed
Merged PR https://github.com/apache/hadoop/pull/4538 to trunk.
> Link OpenSSL lib for CMake deps check
> -------------------------------------
>
> Key: HDFS-16654
> URL: https://issues.apache.org/jira/browse/HDFS-16654
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: libhdfs++
> Affects Versions: 3.4.0
> Environment: Windows 10
> Reporter: Gautham Banasandra
> Assignee: Gautham Banasandra
> Priority: Major
> Labels: libhdfscpp, pull-request-available
> Fix For: 3.4.0
>
> Time Spent: 2h
> Remaining Estimate: 0h
>
> CMake checks whether the required components of OpenSSL are available prior to building HDFS native client - https://github.com/apache/hadoop/blob/fac895828f714b5587b57900d588acac69880c1e/hadoop-hdfs-project/hadoop-hdfs-native-client/src/CMakeLists.txt#L130
> {code}
> check_c_source_compiles("#include \"${OPENSSL_INCLUDE_DIR}/openssl/evp.h\"\nint main(int argc, char **argv) { return !EVP_aes_256_ctr; }" HAS_NEW_ENOUGH_OPENSSL)
> {code}
> This check compiles but fails while linking on Windows -
> {code}
> src.obj : error LNK2019: unresolved external symbol EVP_aes_256_ctr referenced in function main [H:\hadoop-hdfs-project\hadoop-hdfs-native-client\src\out\build\x64-Debug\CMakeFiles\CMakeTmp\cmTC_e391b.vcxproj]
> H:\hadoop-hdfs-project\hadoop-hdfs-native-client\src\out\build\x64-Debug\CMakeFiles\CMakeTmp\Debug\cmTC_e391b.exe : fatal error LNK1120: 1 unresolved externals [H:\hadoop-hdfs-project\hadoop-hdfs-native-client\src\out\build\x64-Debug\CMakeFiles\CMakeTmp\cmTC_e391b.vcxproj]
> Source file was:
> #include <openssl/evp.h>
> int main(int argc, char **argv) { return !EVP_aes_256_ctr; }
> {code}
> Thus, we need to link to the OpenSSL library prior to running this check. Please note that this check doesn't fail on Linux since CMake is able to pick it up from the standard location where libs are installed.
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