easy-builder

   1 #! /usr/bin/env bash
   2
   3 # This script is meant to be kept small and simple
   4 # If you think about adding features, it's probably a bad idea
   5
   6 set -e # exit if a command fails
   7 set -o pipefail # Will return the exit status of make if it fails
   8
   9 project_source_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" >/dev/null 2>&1 && pwd)"
  10
  11 build_dir="${project_source_dir}/build${SUBDIR:+/${SUBDIR}}"
  12 install_dir="${project_source_dir}/install${SUBDIR:+/${SUBDIR}}"
  13
  14 build_type='Release'
  15
  16 declare -a cmake_opts
  17 case "$(uname -s)" in
  18         'Linux')
  19                 nproc='egrep "^processor" /proc/cpuinfo | wc -l'
  20                 ;;
  21         'FreeBSD')
  22                 nproc='sysctl -n hw.ncpu'
  23
  24                 if [ -f "$(ls '/usr/local/bin/g++'* | sort | tail -n1)" ]
  25                 then
  26                         gcc_version="$(ls '/usr/local/bin/g++'* | sort | tail -n1 | sed -e 's/.*[^0-9]\([0-9][0-9]*\)$/\1/')"
  27                         cmake_opts[${#cmake_opts[@]}]="-DCMAKE_C_COMPILER=/usr/local/bin/gcc${gcc_version}"
  28                         cmake_opts[${#cmake_opts[@]}]="-DCMAKE_CXX_COMPILER=/usr/local/bin/g++${gcc_version}"
  29                 else
  30                         printf "WARNING: GCC is recommended: if build fails, install GCC and retry\n" >&2
  31                 fi
  32                 ;;
  33         'Darwin')
  34                 nproc='sysctl -n hw.ncpu'
  35
  36                 if [ -f "$(ls '/usr/local/bin/g++-'* | sort | tail -n1)" ]
  37                 then
  38                         gcc_version="$(ls '/usr/local/bin/g++-'* | sort | tail -n1 | sed -e 's/.*[^0-9]\([0-9][0-9]*\)$/\1/')"
  39                         cmake_opts[${#cmake_opts[@]}]="-DCMAKE_C_COMPILER=/usr/local/bin/gcc-${gcc_version}"
  40                         cmake_opts[${#cmake_opts[@]}]="-DCMAKE_CXX_COMPILER=/usr/local/bin/g++-${gcc_version}"
  41                 else
  42                         printf "WARNING: GCC is recommended: if build fails, install GCC and retry\n" >&2
  43                 fi
  44                 ;;
  45         'MSYS_NT-'*)
  46                 nproc='echo "${NUMBER_OF_PROCESSORS}"'
  47                 ;;
  48         'CYGWIN_NT-'*|'MINGW'*'_NT-'*)
  49                 nproc='echo "${NUMBER_OF_PROCESSORS}"'
  50                 printf "WARNING: system is not tested: if build fails, use MSYS2 instead\n" >&2
  51                 ;;
  52         *)
  53                 nproc='true'
  54                 printf "WARNING: system is not tested\n" >&2
  55                 ;;
  56 esac
  57
  58 if command -v 'nproc' >/dev/null
  59 then
  60         job_count="$(nproc)"
  61 else
  62         job_count="$(sh -c "${nproc}")"
  63 fi
  64
  65 job_count="${job_count:-4}"
  66
  67 declare -a cmake_user_opts
  68 while [ ! -z "${1}" ]
  69 do
  70     case "${1}" in
  71     '-j'*)
  72         job_count="${1:2}"
  73         shift
  74         ;;
  75     '--debug')
  76         build_type='Debug'
  77         shift
  78         ;;
  79     *)
  80         cmake_user_opts[${#cmake_user_opts[@]}]="${1}"
  81         shift
  82         ;;
  83     esac
  84 done
  85
  86 declare -a fetch_submodules_cmd
  87 if ! [ -f "${project_source_dir}/libs/crunch/inc/crn_decomp.h" ]
  88 then
  89         fetch_submodules_cmd=(git -C "${project_source_dir}" submodule update --init --recursive)
  90 fi
  91
  92 set -x
  93
  94 "${fetch_submodules_cmd[@]}"
  95
  96 cmake \
  97         -G'Unix Makefiles' \
  98         -S"${project_source_dir}" \
  99         -B"${build_dir}" \
 100         -D'CMAKE_INSTALL_PREFIX'="${install_dir}" \
 101         -D'CMAKE_BUILD_TYPE'="${build_type}" \
 102         "${cmake_opts[@]}" \
 103         "${cmake_user_opts[@]}"
 104
 105 cmake \
 106         --build "${build_dir}" \
 107         -- \
 108         -j"${job_count}" \
 109         install