===> Building for kyotocabinet-1.2.79
clang++ -c -I/opt/pkg/include -D_REENTRANT -I. -I/opt/pkg/include -DNDEBUG -D_GNU_SOURCE=1 -D_FILE_OFFSET_BITS=64 -D__EXTENSIONS__ -D_MYZLIB -D_MYLZO -D_KC_PREFIX="\"/opt/pkg\"" -D_KC_INCLUDEDIR="\"/opt/pkg/include\"" -D_KC_LIBDIR="\"/opt/pkg/lib\"" -D_KC_BINDIR="\"/opt/pkg/bin\"" -D_KC_LIBEXECDIR="\"/opt/pkg/libexec\"" -D_KC_APPINC="\"-I/opt/pkg/include\"" -D_KC_APPLIBS="\"-L/opt/pkg/lib -lkyotocabinet -llzo2 -lz -lstdc++ -lpthread -lm -lc -lpthread\"" -pipe -Os -I/opt/pkg/include -D_REENTRANT -Wall -fPIC -fsigned-char -g0 -Wno-unused-but-set-variable -Wno-unused-but-set-parameter -Os kcutil.cc
In file included from kcutil.cc:16:
In file included from ./kcutil.h:19:
./kccommon.h:92:10: fatal error: 'tr1/unordered_map' file not found
#include <tr1/unordered_map>
         ^~~~~~~~~~~~~~~~~~~
1 error generated.
gmake: *** [Makefile:76: kcutil.o] Error 1
*** Error code 2

Stop.
bmake[1]: stopped making "all" in /Volumes/data/jenkins/workspace/pkgsrc-macos-trunk-arm64/databases/kyotocabinet
*** Error code 1

Stop.
bmake: stopped making "all" in /Volumes/data/jenkins/workspace/pkgsrc-macos-trunk-arm64/databases/kyotocabinet