=> "/opt/pkg/bin/bmake" ["-C", "/data/jenkins/workspace/pkgsrc-upstream-trunk/mail/xmailbox", "all", "BATCH=1", "DEPENDS_TARGET=/nonexistent"]
WARNING: [license.mk] Every package should define a LICENSE.
===> Building for xmailbox-2.5nb3
--- Mailbox.o ---
--- xmailbox.o ---
gcc -pipe -O2 -msave-args -fno-aggressive-loop-optimizations  -I/opt/pkg/include -DNO_ASM   -I/usr/include/X11  -I/opt/pkg/include    -Dsun -DSVR4 -D__EXTENSIONS__ -D__amd64      -DNO_AUDIO -I/opt/pkg/include -c xmailbox.c
--- Mailbox.o ---
gcc -pipe -O2 -msave-args -fno-aggressive-loop-optimizations  -I/opt/pkg/include -DNO_ASM   -I/usr/include/X11  -I/opt/pkg/include    -Dsun -DSVR4 -D__EXTENSIONS__ -D__amd64      -DNO_AUDIO -I/opt/pkg/include -c Mailbox.c
Mailbox.c: In function 'Initialize':
Mailbox.c:302:9: error: implicit declaration of function 'signal'; did you mean 'strsignal'? [-Wimplicit-function-declaration]
  302 |         signal(SIGCHLD, zombiekiller);
      |         ^~~~~~
      |         strsignal
*** [Mailbox.o] Error code 1

bmake: stopped making "all" in /tmp/work/mail/xmailbox/work/xmailbox-2.5
bmake: 1 error

bmake: stopped making "all" in /tmp/work/mail/xmailbox/work/xmailbox-2.5
*** Error code 2

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

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