MariaDB 10.1.18 fails to build on PowerPC (ppc32)

             -DCMAKE_AR=/usr/bin/gcc-ar \

             -DCMAKE_RANLIB=/usr/bin/gcc-ranlib \

             -DBUILD_CONFIG=mysql_release \

             -DCMAKE_INSTALL_PREFIX=/usr \

             -DSYSCONFDIR=/etc/mysql \

             -DMYSQL_DATADIR=/var/lib/mysql \

             -DMYSQL_UNIX_ADDR=/run/mysqld/mysqld.sock \

             -DDEFAULT_CHARSET=utf8 \

             -DDEFAULT_COLLATION=utf8_general_ci \

             -DENABLED_LOCAL_INFILE=ON \

             -DINSTALL_INFODIR=share/mysql/docs \

             -DINSTALL_MANDIR=share/man \

             -DINSTALL_PLUGINDIR=lib/mysql/plugin \

             -DINSTALL_SCRIPTDIR=bin \

             -DINSTALL_INCLUDEDIR=include/mysql \

             -DINSTALL_DOCREADMEDIR=share/mysql \

             -DINSTALL_SUPPORTFILESDIR=share/mysql \

             -DINSTALL_MYSQLSHAREDIR=share/mysql \

             -DINSTALL_DOCDIR=share/mysql/docs \

             -DINSTALL_SHAREDIR=share/mysql \

             -DWITH_READLINE=ON \

             -DWITH_ZLIB=system \

             -DWITH_SSL=system \

             -DWITH_PCRE=system \

             -DWITH_LIBWRAP=OFF \

             -DWITH_JEMALLOC=ON \

             -DCMAKE_EXE_LINKER_FLAGS=-ljemalloc \

             -DWITH_EXTRA_CHARSETS=complex \

             -DWITH_EMBEDDED_SERVER=ON \

             -DWITH_ARCHIVE_STORAGE_ENGINE=1 \

             -DWITH_BLACKHOLE_STORAGE_ENGINE=1 \

             -DWITH_INNOBASE_STORAGE_ENGINE=1 \

             -DWITH_PARTITION_STORAGE_ENGINE=1 \

             -DWITH_TOKUDB=ON \

             -DWITHOUT_EXAMPLE_STORAGE_ENGINE=1 \

             -DWITHOUT_FEDERATED_STORAGE_ENGINE=1 \

             -DWITHOUT_PBXT_STORAGE_ENGINE=1 \

             -DWITH_MYSQLD_LDFLAGS=${LD_MYSQLD}"

In file included from /var/lib/abbs/build/tmp.Rqhno2Nn60/mariadb-10.1.18/include/lf.h:19:0,

                 from /var/lib/abbs/build/tmp.Rqhno2Nn60/mariadb-10.1.18/mysys/lf_alloc-pin.c:104:

/var/lib/abbs/build/tmp.Rqhno2Nn60/mariadb-10.1.18/include/my_atomic.h:121:2: error: #error atomic ops for this platform are not implemented

 #error atomic ops for this platform are not implemented

  ^~~~~

/var/lib/abbs/build/tmp.Rqhno2Nn60/mariadb-10.1.18/include/my_atomic.h: In function 'my_atomic_cas32':

/var/lib/abbs/build/tmp.Rqhno2Nn60/mariadb-10.1.18/include/my_atomic.h:209:3: warning: implicit declaration of function 'make_atomic_cas_body' [-Wimplicit-function-declaration]

   make_atomic_cas_body(S);                                      \

   ^

/var/lib/abbs/build/tmp.Rqhno2Nn60/mariadb-10.1.18/include/my_atomic.h:248:1: note: in expansion of macro 'make_atomic_cas'

 make_atomic_cas(32)

 ^~~~~~~~~~~~~~~

/var/lib/abbs/build/tmp.Rqhno2Nn60/mariadb-10.1.18/include/my_atomic.h: In function 'my_atomic_casptr':

/var/lib/abbs/build/tmp.Rqhno2Nn60/mariadb-10.1.18/include/my_atomic.h:250:17: error: 'ptr' undeclared (first use in this function)

 make_atomic_cas(ptr)

                 ^

/var/lib/abbs/build/tmp.Rqhno2Nn60/mariadb-10.1.18/include/my_atomic.h:209:24: note: in definition of macro 'make_atomic_cas'

   make_atomic_cas_body(S);                                      \

                        ^

/var/lib/abbs/build/tmp.Rqhno2Nn60/mariadb-10.1.18/include/my_atomic.h:250:17: note: each undeclared identifier is reported only once for each function it appears in

 make_atomic_cas(ptr)

                 ^

/var/lib/abbs/build/tmp.Rqhno2Nn60/mariadb-10.1.18/include/my_atomic.h:209:24: note: in definition of macro 'make_atomic_cas'

   make_atomic_cas_body(S);                                      \

                        ^

[ 14%] Building C object mysys/CMakeFiles/mysys.dir/lf_hash.c.o

make[2]: *** [mysys/CMakeFiles/mysys.dir/build.make:2199: mysys/CMakeFiles/mysys.dir/lf_alloc-pin.c.o] Error 1

make[2]: *** Waiting for unfinished jobs....

Using built-in specs.

COLLECT_GCC=gcc

COLLECT_LTO_WRAPPER=/usr/lib/gcc/powerpc-aosc-linux-gnu/6.2.0/lto-wrapper

Target: powerpc-aosc-linux-gnu

Configured with: /var/lib/abbs/build/tmp.4hpEfTAwvJ/gcc-6.2.0/configure --prefix=/usr --libdir=/usr/lib --libexecdir=/usr/lib --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=https://github.com/AOSC-Dev/aosc-os-core --enable-languages=c,c++,fortran,lto,objc,obj-c++ --enable-shared --enable-threads=posix --with-system-zlib --enable-gnu-indirect-function --enable-__cxa_atexit --disable-libunwind-exceptions --enable-clocale=gnu --disable-libstdcxx-pch --disable-libssp --enable-gnu-unique-object --enable-linker-build-id --with-isl=/usr --enable-lto --enable-plugin --enable-install-libiberty --disable-multilib --disable-werror --enable-pie --enable-checking=release --with-default-libstdcxx-abi=gcc4-compatible --build=powerpc-aosc-linux-gnu --with-linker-hash-style=gnu --with-tune=G4 --with-long-double-128 --enable-secureplt --with-cpu=powerpc --with-tune=G4 --enable-secureplt

Thread model: posix

gcc version 6.2.0 20160822 (AOSC OS, Core) (GCC)