=> "/opt/pkg/bin/bmake" ["-C", "/data/jenkins/workspace/pkgsrc-upstream-trunk/sysutils/tree", "all", "BATCH=1", "DEPENDS_TARGET=/nonexistent"]
===> Building for tree-1.8.0
gcc -std=c99 -pipe -O2 -msave-args -fno-aggressive-loop-optimizations  -c -o tree.o tree.c
gcc -std=c99 -pipe -O2 -msave-args -fno-aggressive-loop-optimizations  -c -o unix.o unix.c
gcc -std=c99 -pipe -O2 -msave-args -fno-aggressive-loop-optimizations  -c -o html.o html.c
tree.c: In function 'main':
tree.c:419:21: error: implicit declaration of function 'strcasecmp' [-Wimplicit-function-declaration]
  419 |                 if (strcasecmp(sorts[k].name,stmp) == 0) {
      |                     ^~~~~~~~~~
gmake: *** [Makefile:104: tree.o] Error 1
gmake: *** Waiting for unfinished jobs....
*** Error code 2

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

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