checking for a BSD-compatible install... /usr/local/bin/ginstall -c checking whether build environment is sane... yes checking for a thread-safe mkdir -p... /usr/local/bin/gmkdir -p checking for gawk... no checking for mawk... no checking for nawk... no checking for awk... awk checking whether make sets $(MAKE)... yes checking whether make supports nested variables... yes checking build system type... x86_64-apple-darwin19.6.0 checking host system type... x86_64-apple-darwin19.6.0 checking for g++... g++ 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 g++ accepts -g... yes checking for style of include used by make... GNU checking dependency style of g++... gcc3 checking for timegm... yes checking for unsetenv... yes checking how to run the C++ preprocessor... g++ -E checking for X... disabled checking for a sed that does not truncate output... /usr/local/opt/gnu-sed/libexec/gnubin/sed checking for gcc... gcc checking whether we are using the GNU C compiler... yes checking whether gcc accepts -g... yes checking for gcc option to accept ISO C89... none needed checking whether gcc understands -c and -o together... yes checking dependency style of gcc... gcc3 checking for the pthreads library -lpthreads... no checking whether pthreads work without any flags... yes checking for joinable pthread attribute... PTHREAD_CREATE_JOINABLE checking if more special flags are required for pthreads... -D_THREAD_SAFE checking how to run the C preprocessor... gcc -E checking for grep that handles long lines and -e... /usr/bin/grep checking for egrep... /usr/bin/grep -E checking for ANSI C header files... yes checking for sys/types.h... yes checking for sys/stat.h... yes checking for stdlib.h... yes checking for string.h... yes checking for memory.h... yes checking for strings.h... yes checking for inttypes.h... yes checking for stdint.h... yes checking for unistd.h... yes checking whether we are using the Microsoft C compiler... no checking windows.h usability... no checking windows.h presence... no checking for windows.h... no checking for GL/gl.h... no checking for OpenGL/gl.h... yes checking for OpenGL library... -framework OpenGL checking for GL/glu.h... no checking for OpenGL/glu.h... yes checking for OpenGL Utility library... yes checking for varargs GLU tesselator callback function type... no checking for pkg-config... /usr/local/bin/pkg-config checking pkg-config is at least version 0.9.0... yes checking for FT2... yes checking for PCRE... yes checking for GLEW... yes checking for SDL2... yes checking for PNG... yes checking for IMG_LoadPNG_RW... yes checking for IMG_LoadJPG_RW... yes checking for boostlib >= 1.46 (104600)... yes checking whether the Boost::System library is available... yes checking for exit in -lboost_system... yes checking whether the Boost::Filesystem library is available... yes checking for exit in -lboost_filesystem... yes checking glm/glm.hpp usability... yes checking glm/glm.hpp presence... yes checking for glm/glm.hpp... yes checking that generated files are newer than configure... done configure: creating ./config.status config.status: creating Makefile config.status: executing depfiles commands