=> Bootstrap dependency digest>=20010302: found digest-20160304
===> Skipping vulnerability checks.
WARNING: No /var/db/pkg/pkg-vulnerabilities file found.
WARNING: To fix run: `/usr/sbin/pkg_admin -K /var/db/pkg fetch-pkg-vulnerabilities'.
===> Installing for R-igraph-1.2.1
=> Generating pre-install file lists
=> Creating installation directories
/usr/bin/env R_LIBS= DESTDIR=/data/scratch/math/R-igraph/work/.destdir USETOOLS=no CC=clang CFLAGS=-O2\ -I/usr/pkg/include\ -I/usr/include CPPFLAGS=-I/usr/pkg/include\ -I/usr/include CXX=clang++ CXXFLAGS=-O2\ -I/usr/pkg/include\ -I/usr/include COMPILER_RPATH_FLAG=-Wl,-R F77=gfortran FC=gfortran FFLAGS=-O LANG=C LC_ALL=C LC_COLLATE=C LC_CTYPE=C LC_MESSAGES=C LC_MONETARY=C LC_NUMERIC=C LC_TIME=C LDFLAGS=-L/usr/pkg/lib\ -Wl,-R/usr/pkg/lib\ -L/usr/lib\ -Wl,-R/usr/lib LINKER_RPATH_FLAG=-R PATH=/data/scratch/math/R-igraph/work/.cwrapper/bin:/data/scratch/math/R-igraph/work/.buildlink/bin:/data/scratch/math/R-igraph/work/.tools/bin:/usr/pkg/bin:/usr/bin:/bin:/usr/pkg/bin:/usr/local/bin:/usr/pkg/bin:/usr/pkg/bin PREFIX=/usr/pkg MAKELEVEL=0 CONFIG_SITE= PKG_SYSCONFDIR=/usr/pkg/etc CXXCPP=clang-cpp HOME=/data/scratch/math/R-igraph/work/.home CWRAPPERS_CONFIG_DIR=/data/scratch/math/R-igraph/work/.cwrapper/config CPP=clang-cpp LOCALBASE=/usr/pkg X11BASE=/usr/pkg PKGMANDIR=man PKGINFODIR=info PKGGNUDIR=gnu/ MAKECONF=/dev/null OBJECT_FMT=ELF USETOOLS=no BSD_INSTALL_PROGRAM=/usr/bin/install\ -c\ -s\ -o\ pbulkXXX\ -g\ users\ -m\ 755 BSD_INSTALL_SCRIPT=/usr/bin/install\ -c\ -o\ pbulkXXX\ -g\ users\ -m\ 755 BSD_INSTALL_LIB=/usr/bin/install\ -c\ -o\ pbulkXXX\ -g\ users\ -m\ 755 BSD_INSTALL_DATA=/usr/bin/install\ -c\ -o\ pbulkXXX\ -g\ users\ -m\ 644 BSD_INSTALL_MAN=/usr/bin/install\ -c\ -o\ pbulkXXX\ -g\ users\ -m\ 644 BSD_INSTALL=/usr/bin/install BSD_INSTALL_PROGRAM_DIR=/usr/bin/install\ -d\ -o\ pbulkXXX\ -g\ users\ -m\ 755 BSD_INSTALL_SCRIPT_DIR=/usr/bin/install\ -d\ -o\ pbulkXXX\ -g\ users\ -m\ 755 BSD_INSTALL_LIB_DIR=/usr/bin/install\ -d\ -o\ pbulkXXX\ -g\ users\ -m\ 755 BSD_INSTALL_DATA_DIR=/usr/bin/install\ -d\ -o\ pbulkXXX\ -g\ users\ -m\ 755 BSD_INSTALL_MAN_DIR=/usr/bin/install\ -d\ -o\ pbulkXXX\ -g\ users\ -m\ 755 BSD_INSTALL_GAME=/usr/bin/install\ -c\ -s\ -o\ pbulkXXX\ -g\ users\ -m\ 2555 BSD_INSTALL_GAME_DATA=/usr/bin/install\ -c\ -o\ pbulkXXX\ -g\ users\ -m\ 664 BSD_INSTALL_GAME_DIR=/usr/bin/install\ -d\ -o\ pbulkXXX\ -g\ users\ -m\ 775 INSTALL_INFO= MAKEINFO=/data/scratch/math/R-igraph/work/.tools/bin/makeinfo FLEX= BISON= PKG_CONFIG= PKG_CONFIG_LIBDIR=/data/scratch/math/R-igraph/work/.buildlink/lib/pkgconfig:/data/scratch/math/R-igraph/work/.buildlink/share/pkgconfig PKG_CONFIG_LOG=/data/scratch/math/R-igraph/work/.pkg-config.log PKG_CONFIG_PATH= CWRAPPERS_CONFIG_DIR=/data/scratch/math/R-igraph/work/.cwrapper/config /usr/pkg/bin/R  CMD INSTALL -l /data/scratch/math/R-igraph/work/.destdir/usr/pkg/lib/R/library /data/scratch/math/R-igraph/work/igraph
* installing *source* package 'igraph' ...
file 'configure' has the wrong MD5 checksum
checking for gcc... clang
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 clang accepts -g... yes
checking for clang option to accept ISO C89... none needed
checking whether we are using the GNU Fortran compiler... yes
checking whether g95 accepts -g... yes
checking whether we are using the GNU C++ compiler... no
checking whether clang++ accepts -g... no
configure: error: no C++ compiler found or it cannot create executables
ERROR: configuration failed for package 'igraph'
* removing '/data/scratch/math/R-igraph/work/.destdir/usr/pkg/lib/R/library/igraph'
*** Error code 1

Stop.
make[1]: stopped in /data/pkgsrc/math/R-igraph
WARNING: *** Please consider adding c++ to USE_LANGUAGES in the package Makefile.
*** Error code 1

Stop.
make: stopped in /data/pkgsrc/math/R-igraph