=> "/opt/pkg/bin/bmake" ["-C", "/data/jenkins/workspace/pkgsrc-upstream-trunk/games/colchess", "all", "BATCH=1", "DEPENDS_TARGET=/nonexistent"]
WARNING: [license.mk] Every package should define a LICENSE.
===> Building for colchess-7.0
--- chess.o ---
--- moves.o ---
--- chess.o ---
gcc -pipe -O2 -msave-args -fno-aggressive-loop-optimizations -I . -Wall -DPREFIX=\"/opt/pkg\"  -c chess.c
--- moves.o ---
gcc -pipe -O2 -msave-args -fno-aggressive-loop-optimizations -I . -Wall -DPREFIX=\"/opt/pkg\"  -c moves.c
--- chess.o ---
chess.c: In function 'main':
chess.c:1000:17: error: implicit declaration of function 'signal'; did you mean 'strsignal'? [-Wimplicit-function-declaration]
 1000 |           (void)signal(SIGINT, SIG_IGN);
      |                 ^~~~~~
      |                 strsignal
*** [chess.o] Error code 1

bmake: stopped making "all" in /home/pbulk/work/games/colchess/work/ColChess
bmake: 1 error

bmake: stopped making "all" in /home/pbulk/work/games/colchess/work/ColChess
*** Error code 2

Stop.
bmake[1]: stopped making "all" in /data/jenkins/workspace/pkgsrc-upstream-trunk/games/colchess
*** Error code 1

Stop.
bmake: stopped making "all" in /data/jenkins/workspace/pkgsrc-upstream-trunk/games/colchess