Yes, I can install and run the precompiled version, but would rather invoke from command line. Configure Output: √ emacs-27.1 % ./configure 10:45:47 checking for xcrun... xcrun checking for make... yes checking for GNU Make... make checking build system type... x86_64-apple-darwin19.6.0 checking host system type... x86_64-apple-darwin19.6.0 checking for gcc... gcc 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 gcc accepts -g... yes checking for gcc option to enable C11 features... none needed checking for ar... ar checking whether gcc and cc understand -c and -o together... yes checking for putenv... yes checking for sbrk... yes checking for fchmod... yes checking for canonicalize_file_name... no checking for getcwd... yes checking for readlink... yes checking for realpath... yes checking for readlinkat... yes checking for explicit_bzero... no checking for faccessat... yes checking for fcntl... yes checking for fdopendir... yes checking for fstatat... yes checking for fsync... yes checking for gettimeofday... yes checking for lstat... yes checking for mkostemp... yes checking for tzset... yes checking for pipe2... no checking for pselect... yes checking for isblank... yes checking for iswctype... yes checking for strtoimax... yes checking for symlink... yes checking for localtime_r... yes checking for timegm... yes checking for futimes... yes checking for futimesat... no checking for futimens... yes checking for utimensat... yes checking for lutimes... yes checking for getdtablesize... yes 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 minix/config.h usability... no checking minix/config.h presence... no checking for minix/config.h... no checking whether it is safe to define __EXTENSIONS__... yes checking whether _XOPEN_SOURCE should be defined... no checking for Minix Amsterdam compiler... no checking for ranlib... ranlib checking for special C compiler options needed for large files... no checking for _FILE_OFFSET_BITS value needed for large files... no checking whether gcc accepts -g3 -O2... yes checking whether the compiler is clang... yes checking whether C compiler handles -Werror -Wunknown-warning-option... yes checking whether C compiler handles -Wno-switch... yes checking whether C compiler handles -Wno-pointer-sign... yes checking whether C compiler handles -Wno-string-plus-int... yes checking whether C compiler handles -Wno-unknown-attributes... yes checking whether C compiler handles -Wno-initializer-overrides... yes checking whether C compiler handles -Wno-tautological-compare... yes checking whether C compiler handles -Wno-tautological-constant-out-of-range-compare... yes checking for a BSD-compatible install... /usr/bin/install -c checking command to symlink files in the same directory... ln -s checking for install-info... /usr/bin/install-info checking for gzip... /usr/bin/gzip checking for 'find' args to delete a file... -delete checking for brew... brew checking for makeinfo... /usr/bin/makeinfo checking for -znocombreloc... not needed checking whether addresses are sanitized... no checking for library containing sqrt... none required checking for pkg-config... no checking for machine/soundcard.h... no checking for sys/soundcard.h... no checking for soundcard.h... no checking for mmsystem.h... no checking for _oss_ioctl in -lossaudio... no checking for alsa >= 1.0.0... no checking for linux/fs.h... no checking for malloc.h... no checking for sys/systeminfo.h... no checking for sys/sysinfo.h... no checking for coff.h... no checking for pty.h... no checking for sys/resource.h... yes checking for sys/utsname.h... yes checking for pwd.h... yes checking for utmp.h... yes checking for util.h... yes checking for sys/socket.h... yes checking for stdlib.h... (cached) yes checking for unistd.h... (cached) yes checking for sys/param.h... yes checking for pthread.h... yes checking for malloc/malloc.h... yes checking for sys/un.h... yes checking for dirent.h... yes checking for execinfo.h... yes checking for stdio_ext.h... no checking for sys/vfs.h... no checking for sys/fs_types.h... no checking for getopt.h... yes checking for sys/cdefs.h... yes checking for sys/time.h... yes checking for ieee754.h... no checking for limits.h... yes checking for wchar.h... yes checking for stdint.h... (cached) yes checking for inttypes.h... (cached) yes checking for sys/select.h... yes checking for sys/stat.h... (cached) yes checking for ADDR_NO_RANDOMIZE... no checking for term.h... yes checking whether time.h and sys/time.h may both be included... yes checking whether sys_siglist is declared... yes checking for sys/wait.h that is POSIX.1 compatible... yes checking for net/if.h... yes checking for ifaddrs.h... yes checking for net/if_dl.h... yes checking for struct ifreq.ifr_flags... yes checking for struct ifreq.ifr_hwaddr... no checking for struct ifreq.ifr_netmask... no checking for struct ifreq.ifr_broadaddr... yes checking for struct ifreq.ifr_addr... yes checking for struct ifreq.ifr_addr.sa_len... yes checking whether gcc understands -MMD -MF... yes checking for X... no checking AppKit/AppKit.h usability... yes checking AppKit/AppKit.h presence... yes checking for AppKit/AppKit.h... yes checking for Mac OS X 10.6 or newer... yes checking for gcc... gcc checking whether we are using the GNU Objective C compiler... yes checking whether gcc accepts -g... yes checking if the Objective C compiler supports instancetype... yes checking whether malloc is Doug Lea style... no checking for getpagesize... yes checking for working mmap... yes checking for main in -lXbsd... no checking for pthread library... none needed checking for thread support... yes checking for librsvg-2.0 >= 2.14.0... no checking for getaddrinfo_a in -lanl... no checking for dbus-1 >= 1.0... no checking for lgetfilecon in -lselinux... no checking for gnutls >= 2.12.2... no checking for libsystemd >= 222... no checking for jansson >= 2.7... no checking sys/inotify.h usability... no checking sys/inotify.h presence... no checking for sys/inotify.h... no checking for libkqueue... no checking for library containing kqueue... none required checking for lcms2... no checking for library containing inflateEnd... -lz checking for dladdr... yes checking for dlfunc... no configure: error: The following required libraries were not found: gnutls Maybe some development libraries/packages are missing? To build anyway, give: --with-gnutls=ifavailable as options to configure.