"undefined symbol: __res_nsearch" Displayed During BE Compilation

Symptom

When the STRIP_DEBUG_INFO=ON sh build.sh --clean --be command is executed, the error message "undefined symbol: __res_nsearch" is displayed.

Key Process and Cause Analysis

The pre-downloaded libkrb5.a file from the third-party needs to be recompiled.

Conclusion and Solution

1. Recompile the third-party libkrb5.a file.
   1. Open the file.

      1	vi /opt/tools/installed/doris-2.1.2-rc04/thirdparty/build-thirdparty.sh

   2. Comment out line 1871, add line 1872 to add the packages parameter, and set packages to krb5.

      1	packages=(krb5)

      

   3. Press Esc, type :wq!, and press Enter to save the file and exit.
2. Use GCC 12 to compile the third-party krb5.

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   export DORIS_TOOLCHAIN=gcc cd /opt/tools/installed/doris-2.1.2-rc04/thirdparty sh build-thirdparty.sh

3. Run the command again:

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   export DORIS_TOOLCHAIN=clang cd /opt/tools/installed/doris-2.1.2-rc04 STRIP_DEBUG_INFO=ON sh build.sh --clean --be