=> Bootstrap dependency digest>=20211023: found digest-20220214 => Checksum BLAKE2s OK for mdds-2.0.1.tar.bz2 => Checksum SHA512 OK for mdds-2.0.1.tar.bz2 ===> Installing dependencies for mdds-2.0.1 => Tool dependency mktools-[0-9]*: found mktools-20220614 => Tool dependency bsdtar-[0-9]*: found bsdtar-3.4.3 => Tool dependency gmake>=3.81: found gmake-4.3nb3 => Tool dependency cwrappers>=20150314: found cwrappers-20220403 => Build dependency boost-headers-1.78.*: found boost-headers-1.78.0 => Full dependency boost-libs-1.78.*: found boost-libs-1.78.0nb2 ===> Skipping vulnerability checks. WARNING: No /usr/pkg/pkgdb/pkg-vulnerabilities file found. WARNING: To fix run: `/usr/sbin/pkg_admin -K /usr/pkg/pkgdb fetch-pkg-vulnerabilities'. ===> Overriding tools for mdds-2.0.1 ===> Extracting for mdds-2.0.1 ===> Patching for mdds-2.0.1 => Applying pkgsrc patches for mdds-2.0.1 ===> Creating toolchain wrappers for mdds-2.0.1 ===> Configuring for mdds-2.0.1 => Modifying GNU configure scripts to avoid --recheck => Replacing config-guess with pkgsrc versions => Replacing config-sub with pkgsrc versions => Replacing install-sh with pkgsrc version => Adding run-time search paths to pkg-config files. INFO: [subst.mk:_pkgconfig] Nothing changed in "misc/mdds.pc.in". checking for a BSD-compatible install... /usr/bin/install -c -o pbulk -g users checking whether build environment is sane... yes checking for a thread-safe mkdir -p... ./install-sh -c -d checking for gawk... /usr/bin/awk checking whether make sets $(MAKE)... yes checking whether make supports nested variables... yes checking whether to enable maintainer-specific portions of Makefiles... no checking whether make supports the include directive... yes (GNU style) checking whether the C++ compiler works... yes checking for C++ compiler default output file name... a.out checking for suffix of executables... checking whether we are cross compiling... no checking for suffix of object files... o checking whether we are using the GNU C++ compiler... yes checking whether c++ accepts -g... yes checking dependency style of c++... gcc3 checking whether c++ supports C++17 features with -std=c++17... no checking whether c++ supports C++17 features with +std=c++17... no checking whether c++ supports C++17 features with -h std=c++17... no checking whether c++ supports C++17 features with -std=c++1z... no checking whether c++ supports C++17 features with +std=c++1z... no checking whether c++ supports C++17 features with -h std=c++1z... no configure: error: *** A compiler with support for C++17 language features is required. *** Error code 1 Stop. make[1]: stopped in /tree/pkgsrc/devel/mdds *** Error code 1 Stop. make: stopped in /tree/pkgsrc/devel/mdds