===>  License GPLv2 accepted by the user
===>   zbackup-0cipiertest_4 depends on file: /usr/local/sbin/pkg - found
===> Fetching all distfiles required by zbackup-0cipiertest_4 for building
===>  Extracting for zbackup-0cipiertest_4
=> SHA256 Checksum OK for zbackup-zbackup-0cipiertest_GH0.tar.gz.
===>  Patching for zbackup-0cipiertest_4
===>   zbackup-0cipiertest_4 depends on file: /usr/local/bin/cmake - found
===>   zbackup-0cipiertest_4 depends on executable: ninja - found
===>   zbackup-0cipiertest_4 depends on shared library: libprotobuf.so - found (/usr/local/lib/libprotobuf.so)
===>   zbackup-0cipiertest_4 depends on shared library: liblzo2.so - found (/usr/local/lib/liblzo2.so)
===>  Configuring for zbackup-0cipiertest_4
===>  Performing in-source build
/bin/mkdir -p /wrkdirs/zbackup-0cipiertest-port/work/zbackup-0cipiertest
-- The C compiler identification is Clang 4.0.0
-- The CXX compiler identification is Clang 4.0.0
-- Check for working C compiler: /usr/bin/cc
-- Check for working C compiler: /usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Found ZLIB: /usr/lib/libz.so (found version "1.2.11") 
-- Found OpenSSL: /usr/lib/libcrypto.so (found version "1.0.2k") 
-- Looking for pthread.h
-- Looking for pthread.h - found
-- Found Threads: TRUE  
-- Found Protobuf: /usr/local/lib/libprotobuf.so;-pthread (found version "3.4.0") 
-- Looking for lzma_auto_decoder in /usr/lib/liblzma.so
-- Looking for lzma_auto_decoder in /usr/lib/liblzma.so - found
-- Looking for lzma_easy_encoder in /usr/lib/liblzma.so
-- Looking for lzma_easy_encoder in /usr/lib/liblzma.so - found
-- Looking for lzma_lzma_preset in /usr/lib/liblzma.so
-- Looking for lzma_lzma_preset in /usr/lib/liblzma.so - found
-- Found LibLZMA: /usr/include (found version "5.2.3") 
-- Looking for lzo1x_decompress_safe in /usr/local/lib/liblzo2.so
-- Looking for lzo1x_decompress_safe in /usr/local/lib/liblzo2.so - found
-- Looking for lzo1x_1_compress in /usr/local/lib/liblzo2.so
-- Looking for lzo1x_1_compress in /usr/local/lib/liblzo2.so - found
-- Found LibLZO: /usr/local/include (found version "2.10") 
-- Could NOT find LibUnwind (missing: LIBUNWIND_INCLUDE_DIR LIBUNWIND_LIBRARY LIBUNWIND_HAS_UNW_GETCONTEXT LIBUNWIND_HAS_UNW_INIT_LOCAL) 
-- Configuring done
-- Generating done
-- Build files have been written to: /wrkdirs/zbackup-0cipiertest-port/work/zbackup-0cipiertest
===>  Building for zbackup-0cipiertest_4
[1/38] cd /wrkdirs/zbackup-0cipiertest-port/work/zbackup-0cipiertest && /usr/local/bin/cmake -E touch /wrkdirs/zbackup-0cipiertest-port/work/zbackup-0cipiertest/CMakeLists.txt
[2/38] cd /wrkdirs/zbackup-0cipiertest-port/work/zbackup-0cipiertest && /usr/local/bin/protoc --cpp_out=/wrkdirs/zbackup-0cipiertest-port/work/zbackup-0cipiertest -I /wrkdirs/zbackup-0cipiertest-port/work/zbackup-0cipiertest /wrkdirs/zbackup-0cipiertest-port/work/zbackup-0cipiertest/zbackup.proto
[libprotobuf WARNING google/protobuf/compiler/parser.cc:546] No syntax specified for the proto file: zbackup.proto. Please use 'syntax = "proto2";' or 'syntax = "proto3";' to specify a syntax version. (Defaulted to proto2 syntax.)
[3/38] /usr/bin/c++  -DHAVE_LIBLZO -DZBACKUP_VERSION=\"1.5-alpha-32-g3e4977c\" -I/usr/local/include -I. -O2 -pipe -fstack-protector -fno-strict-aliasing -O2 -pipe -fstack-protector -fno-strict-aliasing -MD -MT CMakeFiles/zbackup.dir/appendallocator.cc.o -MF CMakeFiles/zbackup.dir/appendallocator.cc.o.d -o CMakeFiles/zbackup.dir/appendallocator.cc.o -c appendallocator.cc
[4/38] /usr/bin/c++  -DHAVE_LIBLZO -DZBACKUP_VERSION=\"1.5-alpha-32-g3e4977c\" -I/usr/local/include -I. -O2 -pipe -fstack-protector -fno-strict-aliasing -O2 -pipe -fstack-protector -fno-strict-aliasing -MD -MT CMakeFiles/zbackup.dir/backup_file.cc.o -MF CMakeFiles/zbackup.dir/backup_file.cc.o.d -o CMakeFiles/zbackup.dir/backup_file.cc.o -c backup_file.cc
[5/38] /usr/bin/c++  -DHAVE_LIBLZO -DZBACKUP_VERSION=\"1.5-alpha-32-g3e4977c\" -I/usr/local/include -I. -O2 -pipe -fstack-protector -fno-strict-aliasing -O2 -pipe -fstack-protector -fno-strict-aliasing -MD -MT CMakeFiles/zbackup.dir/backup_collector.cc.o -MF CMakeFiles/zbackup.dir/backup_collector.cc.o.d -o CMakeFiles/zbackup.dir/backup_collector.cc.o -c backup_collector.cc
FAILED: CMakeFiles/zbackup.dir/backup_collector.cc.o 
/usr/bin/c++  -DHAVE_LIBLZO -DZBACKUP_VERSION=\"1.5-alpha-32-g3e4977c\" -I/usr/local/include -I. -O2 -pipe -fstack-protector -fno-strict-aliasing -O2 -pipe -fstack-protector -fno-strict-aliasing -MD -MT CMakeFiles/zbackup.dir/backup_collector.cc.o -MF CMakeFiles/zbackup.dir/backup_collector.cc.o.d -o CMakeFiles/zbackup.dir/backup_collector.cc.o -c backup_collector.cc
backup_collector.cc:151:5: error: use of undeclared identifier 'unlink'
    unlink( filesToUnlink[i].c_str() );
    ^
1 error generated.
[6/38] /usr/bin/c++  -DHAVE_LIBLZO -DZBACKUP_VERSION=\"1.5-alpha-32-g3e4977c\" -I/usr/local/include -I. -O2 -pipe -fstack-protector -fno-strict-aliasing -O2 -pipe -fstack-protector -fno-strict-aliasing -MD -MT CMakeFiles/zbackup.dir/backup_creator.cc.o -MF CMakeFiles/zbackup.dir/backup_creator.cc.o.d -o CMakeFiles/zbackup.dir/backup_creator.cc.o -c backup_creator.cc
[7/38] /usr/bin/c++  -DHAVE_LIBLZO -DZBACKUP_VERSION=\"1.5-alpha-32-g3e4977c\" -I/usr/local/include -I. -O2 -pipe -fstack-protector -fno-strict-aliasing -O2 -pipe -fstack-protector -fno-strict-aliasing -MD -MT CMakeFiles/zbackup.dir/backup_restorer.cc.o -MF CMakeFiles/zbackup.dir/backup_restorer.cc.o.d -o CMakeFiles/zbackup.dir/backup_restorer.cc.o -c backup_restorer.cc
[8/38] /usr/bin/c++  -DHAVE_LIBLZO -DZBACKUP_VERSION=\"1.5-alpha-32-g3e4977c\" -I/usr/local/include -I. -O2 -pipe -fstack-protector -fno-strict-aliasing -O2 -pipe -fstack-protector -fno-strict-aliasing -MD -MT CMakeFiles/zbackup.dir/bundle.cc.o -MF CMakeFiles/zbackup.dir/bundle.cc.o.d -o CMakeFiles/zbackup.dir/bundle.cc.o -c bundle.cc
ninja: build stopped: subcommand failed.
===> Compilation failed unexpectedly.
Try to set MAKE_JOBS_UNSAFE=yes and rebuild before reporting the failure to
the maintainer.
*** Error code 1

Stop.
make: stopped in /zbackup-0cipiertest-port
1