Compilation Issues

Local compilation, unable to start on other machines

• First, please confirm that you use the command PORTABLE=1 make static_lib to compile rocksdb.
• Then use the ldd command to check if the dependent libraries are installed on the machine. After installing the missing libraries, execute the ldconfig command.

ZSTD_versionNumber undefined

There are two ways to solve this problem:

• Add the specified library to CGO_LDFLAGS to compile, for example: CGO_LDFLAGS="-L/usr/local/lib -lrocksdb -lzstd". This method requires that the zstd library is also installed on other deployment machines.
• Delete the script that automatically detects whether the zstd library is installed. The file location is an example: rockdb-5.9.2/build_tools/build_detect_platform. Delete the following content:

  # Test whether zstd library is installed
      $CXX $CFLAGS $COMMON_FLAGS -x c++ - -o /dev/null 2>/dev/null  <<EOF
        #include <zstd.h>
        int main() {}
  EOF
      if [ "$?" = 0 ]; then
          COMMON_FLAGS="$COMMON_FLAGS -DZSTD"
          PLATFORM_LDFLAGS="$PLATFORM_LDFLAGS -lzstd"
          JAVA_LDFLAGS="$JAVA_LDFLAGS -lzstd"
      fi
  

Rocksdb compilation issue

When compiling the erasure coding subsystem, an error message is displayed: fatal error: rocksdb/c.h: no such file or directory...

• First, confirm whether the file pointed to by the error message exists in the .deps/include/rocksdb directory.
• If it exists, try source env.sh and try again. If the file does not exist or the error still occurs, you can delete all the rocksdb-related files in the .deps directory and then recompile.

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