openxs@ao756:~/git/server$ git branch

  10.0

...

  10.4

* 10.5

  5.5

  bb-10.2-compatibility

  bb-10.2-marko

openxs@ao756:~/git/server$ git log -1

commit 1b81e9659377973e2044a1e3f0001a259bbd7199

Author: Kentoku SHIBA <kentokushiba@gmail.com>

Date:   Wed Apr 22 04:44:28 2020 +0900

    MDEV-21884 MariaDB with Spider crashes on a query

    Fix a test result.

cmake .. -DCMAKE_BUILD_TYPE=RelWithDebInfo -DWITH_SSL=system -DWITH_ZLIB=bundled -DMYSQL_MAINTAINER_MODE=OFF -DENABLED_LOCAL_INFILE=1 -DWITH_JEMALLOC=system -DWITH_INNODB_DISALLOW_WRITES=ON -DCMAKE_INSTALL_PREFIX=/home/openxs/dbs/maria10.5

openxs@ao756:~/git/server/build$ grep -rn CMAKE_INSTALL_PREFIX * | grep maria10

zlib/cmake_install.cmake:5:  set(CMAKE_INSTALL_PREFIX "/home/openxs/dbs/maria10.5")

openxs@ao756:~/git/server/build$ time make -j 2

...

[ 99%] Linking CXX executable explain_filename-t

[ 99%] Linking CXX executable mariadb-backup

[ 99%] Built target explain_filename-t

[ 99%] Linking CXX executable mariadbd

Creating mariabackup link

[100%] Built target mariadb-backup

Creating mysqld link

[100%] Built target mariadbd

real    4m8.257s

user    2m10.360s

sys     0m32.984s

openxs@ao756:~/git/server/build$ make install

...

[100%] Built target wsrep_check_version

[100%] Built target my_safe_process

Linking CXX executable CMakeFiles/CMakeRelink.dir/mariadb-backup

Linking CXX shared module CMakeFiles/CMakeRelink.dir/ha_rocksdb.so

Linking CXX executable CMakeFiles/CMakeRelink.dir/sst_dump

Linking CXX executable CMakeFiles/CMakeRelink.dir/mariadb-ldb

Linking CXX executable CMakeFiles/CMakeRelink.dir/mariadb

Linking CXX executable CMakeFiles/CMakeRelink.dir/mariadbd

Install the project...

-- Install configuration: "RelWithDebInfo"

CMake Error at cmake_install.cmake:43 (file):

  file cannot create directory: /usr/local/mysql/..  Maybe need

  administrative privileges.

Makefile:115: recipe for target 'install' failed

make: *** [install] Error 1