bootstrap.sh

#!/usr/bin/env sh

author="Lucas Larson"
program="HQ9+"
printf 'Welcome to %s\n  a %s production\n\n' "$(basename "$0")" "${author-}"

platform="$(uname)"
printf 'Platform set to %s...\n' "${platform-}"
sleep 1
printf 'Beginning compilation...\n\n'
sleep 2

# create C++20 executable for macOS, if not then for Linux
if [ "${platform-}" = Darwin ]; then
  clang++ -std=c++2a --verbose -Wall -Wextra -pedantic -g -integrated-as -lm \
    -lstdc++ -O0 -pthread -save-stats -save-temps -v -fcaret-diagnostics \
    -fdiagnostics-fixit-info -fdiagnostics-parseable-fixits \
    -fdiagnostics-print-source-range-info -fdiagnostics-show-option \
    -fno-builtin -fshow-column -fshow-source-location -fstandalone-debug \
    -ftime-report ./*.cpp \
    -o "${program-}"

elif [ "${platform-}" = Linux ]; then
  g++ --verbose -Wall -Wextra -pedantic -save-temps -v -fgnu-tm -lm -latomic \
    -lstdc++ -g -fgnat-encodings=all ./*.cpp \
    -o "${program-}"

fi

# if compilation hasn’t yet succeeded, then
# attempt to build using CMake and make
if [ ! -x "./${program-}" ]; then
  printf 'Attempting to build using CMake and make...\n\n'
  cmake . &&
    make

else
  # otherwise use the failed `if`’s return code
  # https://github.com/ohmyzsh/ohmyzsh/pull/9238#discussion_r484806772
  exit $?

fi

# test running the executable ourselves
# succeed only if author’s name appears within 3 seconds of opening it
printf 'Checking the executable%ss output...\n\n' "’"

# ensure the executable contains the author’s name as a heuristic
if grep -q "${author-}" "./${program-}"; then
  printf '%s  %s interpreter bootstrapping succeeded.\n\n' "✅" "${program-}"
  printf 'Activate it by entering: ./%s\n' "${program-}"
  printf 'then press return.\n\n\n'
fi