fatal build error: viosslfactories.c:58:5: error: dereferencing pointer to incomplete type ‘DH {aka struct dh_st}

git pull

git clean -xfd

git reset --hard HEAD

git branch -a

	* 10.1

	  remotes/origin/10.1

	  remotes/origin/HEAD -> origin/10.1

git log | head

	commit 27e6fd9a596847a1a4c618d16ed43f6885dfe73a

	Author: Sergey Vojtovich <svoj@mariadb.org>

	Date:   Tue Dec 22 14:51:26 2015 +0400

	    MDEV-9095 - [PATCH] systemd capability for --memlock

	    Adjust systemd files to enable CAP_IPC_LOCK to allow rootless mlockall

	    (triggered by memlock option).

	    This is amended version of a patch originally submitted by Daniel Black.

cmake ..  --debug-output -Wno-dev ...

	...

	-- Generating done

	-- Build files have been written to: /usr/local/src/mariadb/bld

make VERBOSE=1

	...

	[ 75%] Building C object vio/CMakeFiles/vio.dir/viosslfactories.c.o

	cd /usr/local/src/mariadb/bld/vio && /usr/bin/gcc-5  -DHAVE_CONFIG_H -DHAVE_OPENSSL -DHAVE_SYSTEMD -I/usr/local/src/mariadb/bld/include -I/usr/local/src/mariadb/include -I/usr/local/ssl/include  -fno-delete-null-pointer-checks -D_FORTIFY_SOURCE=2 -fmessage-length=0 -fstack-protector  -march=x86-64 -mtune=nocona -I/usr/local/include -pie -fPIC -Wl,-z,relro,-z,now -fstack-protector --param=ssp-buffer-size=4 -DWITH_INNODB_DISALLOW_WRITES -O3 -DNDEBUG -D_FORTIFY_SOURCE=2 -DDBUG_OFF -DMY_PTHREAD_FASTMUTEX=1   -fPIC -o CMakeFiles/vio.dir/viosslfactories.c.o   -c /usr/local/src/mariadb/vio/viosslfactories.c

	/usr/local/src/mariadb/vio/viosslfactories.c: In function ‘get_dh2048’:

	/usr/local/src/mariadb/vio/viosslfactories.c:57:11: warning: implicit declaration of function ‘DH_new’ [-Wimplicit-function-declaration]

	   if ((dh=DH_new()) == NULL) return(NULL);

	           ^

	/usr/local/src/mariadb/vio/viosslfactories.c:57:10: warning: assignment makes pointer from integer without a cast [-Wint-conversion]

	   if ((dh=DH_new()) == NULL) return(NULL);

	          ^

	/usr/local/src/mariadb/vio/viosslfactories.c:58:5: error: dereferencing pointer to incomplete type ‘DH {aka struct dh_st}’

	   dh->p=BN_bin2bn(dh2048_p,sizeof(dh2048_p),NULL);

	     ^

	/usr/local/src/mariadb/vio/viosslfactories.c:58:9: warning: implicit declaration of function ‘BN_bin2bn’ [-Wimplicit-function-declaration]

	   dh->p=BN_bin2bn(dh2048_p,sizeof(dh2048_p),NULL);

	         ^

	/usr/local/src/mariadb/vio/viosslfactories.c:61:5: warning: implicit declaration of function ‘DH_free’ [-Wimplicit-function-declaration]

	   { DH_free(dh); return(NULL); }

	     ^

	vio/CMakeFiles/vio.dir/build.make:182: recipe for target 'vio/CMakeFiles/vio.dir/viosslfactories.c.o' failed

	make[2]: *** [vio/CMakeFiles/vio.dir/viosslfactories.c.o] Error 1

	make[2]: Leaving directory '/usr/local/src/mariadb/bld'

	CMakeFiles/Makefile2:3432: recipe for target 'vio/CMakeFiles/vio.dir/all' failed

	make[1]: *** [vio/CMakeFiles/vio.dir/all] Error 2

	make[1]: Leaving directory '/usr/local/src/mariadb/bld'

	Makefile:149: recipe for target 'all' failed

	make: *** [all] Error 2