=> Bootstrap dependency digest>=20010302: found digest-20190127
===> Skipping vulnerability checks.
WARNING: No /opt/pkg/pkgdb/pkg-vulnerabilities file found.
WARNING: To fix run: `/opt/pkg/sbin/pkg_admin -K /opt/pkg/pkgdb fetch-pkg-vulnerabilities'.
===> Building for x16-emulator-35nb3
clang -std=c99 -O3 -Wall -Werror -g -I/opt/pkg/include/SDL2 -D_THREAD_SAFE -Iextern/include -Iextern/src -DROM_RELATIVE_PATH=\"../share/x16/\" -c cpu/fake6502.c -o cpu/fake6502.o
clang -std=c99 -O3 -Wall -Werror -g -I/opt/pkg/include/SDL2 -D_THREAD_SAFE -Iextern/include -Iextern/src -DROM_RELATIVE_PATH=\"../share/x16/\" -c memory.c -o memory.o
clang -std=c99 -O3 -Wall -Werror -g -I/opt/pkg/include/SDL2 -D_THREAD_SAFE -Iextern/include -Iextern/src -DROM_RELATIVE_PATH=\"../share/x16/\" -c disasm.c -o disasm.o
clang -std=c99 -O3 -Wall -Werror -g -I/opt/pkg/include/SDL2 -D_THREAD_SAFE -Iextern/include -Iextern/src -DROM_RELATIVE_PATH=\"../share/x16/\" -c video.c -o video.o
clang -std=c99 -O3 -Wall -Werror -g -I/opt/pkg/include/SDL2 -D_THREAD_SAFE -Iextern/include -Iextern/src -DROM_RELATIVE_PATH=\"../share/x16/\" -c ps2.c -o ps2.o
clang -std=c99 -O3 -Wall -Werror -g -I/opt/pkg/include/SDL2 -D_THREAD_SAFE -Iextern/include -Iextern/src -DROM_RELATIVE_PATH=\"../share/x16/\" -c via.c -o via.o
clang -std=c99 -O3 -Wall -Werror -g -I/opt/pkg/include/SDL2 -D_THREAD_SAFE -Iextern/include -Iextern/src -DROM_RELATIVE_PATH=\"../share/x16/\" -c loadsave.c -o loadsave.o
clang -std=c99 -O3 -Wall -Werror -g -I/opt/pkg/include/SDL2 -D_THREAD_SAFE -Iextern/include -Iextern/src -DROM_RELATIVE_PATH=\"../share/x16/\" -c spi.c -o spi.o
clang -std=c99 -O3 -Wall -Werror -g -I/opt/pkg/include/SDL2 -D_THREAD_SAFE -Iextern/include -Iextern/src -DROM_RELATIVE_PATH=\"../share/x16/\" -c vera_spi.c -o vera_spi.o
clang -std=c99 -O3 -Wall -Werror -g -I/opt/pkg/include/SDL2 -D_THREAD_SAFE -Iextern/include -Iextern/src -DROM_RELATIVE_PATH=\"../share/x16/\" -c sdcard.c -o sdcard.o
clang -std=c99 -O3 -Wall -Werror -g -I/opt/pkg/include/SDL2 -D_THREAD_SAFE -Iextern/include -Iextern/src -DROM_RELATIVE_PATH=\"../share/x16/\" -c main.c -o main.o
clang -std=c99 -O3 -Wall -Werror -g -I/opt/pkg/include/SDL2 -D_THREAD_SAFE -Iextern/include -Iextern/src -DROM_RELATIVE_PATH=\"../share/x16/\" -c debugger.c -o debugger.o
clang -std=c99 -O3 -Wall -Werror -g -I/opt/pkg/include/SDL2 -D_THREAD_SAFE -Iextern/include -Iextern/src -DROM_RELATIVE_PATH=\"../share/x16/\" -c javascript_interface.c -o javascript_interface.o
clang -std=c99 -O3 -Wall -Werror -g -I/opt/pkg/include/SDL2 -D_THREAD_SAFE -Iextern/include -Iextern/src -DROM_RELATIVE_PATH=\"../share/x16/\" -c joystick.c -o joystick.o
In file included from main.c:20:
In file included from ./video.h:11:
In file included from /opt/work/emulators/x16-emulator/work/.buildlink/include/SDL2/SDL.h:32:
In file included from /opt/work/emulators/x16-emulator/work/.buildlink/include/SDL2/SDL_main.h:25:
/opt/work/emulators/x16-emulator/work/.buildlink/include/SDL2/SDL_stdinc.h:434:5: error: implicit declaration of function 'memset_pattern4' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
    memset_pattern4(dst, &val, dwords * 4);
    ^
clang -std=c99 -O3 -Wall -Werror -g -I/opt/pkg/include/SDL2 -D_THREAD_SAFE -Iextern/include -Iextern/src -DROM_RELATIVE_PATH=\"../share/x16/\" -c rendertext.c -o rendertext.o
clang -std=c99 -O3 -Wall -Werror -g -I/opt/pkg/include/SDL2 -D_THREAD_SAFE -Iextern/include -Iextern/src -DROM_RELATIVE_PATH=\"../share/x16/\" -c keyboard.c -o keyboard.o
1 error generated.
gmake: *** [Makefile:58: main.o] Error 1
gmake: *** Waiting for unfinished jobs....
*** Error code 2

Stop.
bmake[1]: stopped in /opt/pkgsrc/emulators/x16-emulator
*** Error code 1

Stop.
bmake: stopped in /opt/pkgsrc/emulators/x16-emulator