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:+/${SUBDIR}}"
  13
  14 install_target='install/strip'
  15 build_type='Release'
  16
  17 _job_count=4
  18
  19 _nproc () {
  20         if command -v 'nproc' >/dev/null
  21         then
  22                 nproc
  23         else
  24                 case "$(uname -s)" in
  25                         'Linux')
  26                                 egrep "^processor" /proc/cpuinfo | wc -l
  27                                 ;;
  28                         'FreeBSD'|'Darwin')
  29                                 sysctl -n hw.ncpu
  30                                 ;;
  31                         'MSYS_NT-'*|'CYGWIN_NT-'*|'MINGW'*'_NT-'*)
  32                                 if command -v 'wmic' >/dev/null
  33                                 then
  34                                         wmic cpu get NumberOfLogicalProcessors/Format:List \
  35                                                 | grep -m1 '=' | cut -f2 -d'='
  36                                 else
  37                                         echo "${NUMBER_OF_PROCESSORS:-${_job_count}}"
  38                                 fi
  39                                 ;;
  40                         *)
  41                                 echo "${_job_count}"
  42                                 ;;
  43                 esac
  44         fi
  45 }
  46
  47 job_count="$(_nproc)" 2>/dev/null
  48 job_count="${job_count:-${_job_count}}"
  49
  50 declare -a cmake_user_opts
  51 while [ ! -z "${1}" ]
  52 do
  53         case "${1}" in
  54         '-j'*)
  55                 job_count="${1:2}"
  56                 shift
  57                 ;;
  58         '--debug')
  59                 install_target='install'
  60                 build_type='Debug'
  61                 shift
  62                 ;;
  63         *)
  64         cmake_user_opts[${#cmake_user_opts[@]}]="${1}"
  65         shift
  66                 ;;
  67         esac
  68 done
  69
  70 declare -a fetch_submodules_cmd
  71 for submodule_file in 'libs/crunch/inc/crn_decomp.h' \
  72         'tools/unvanquished/daemonmap/tools/quake3/q3map2/main.c'
  73 do
  74         if ! [ -f "${project_source_dir}/${submodule_file}" ]
  75         then
  76                 fetch_submodules_cmd=(git -C "${project_source_dir}" submodule update --init --recursive)
  77         fi
  78 done
  79
  80 set -x
  81
  82 "${fetch_submodules_cmd[@]}"
  83
  84 mkdir -pv "${build_dir}"
  85 cd "${build_dir}"
  86
  87 cmake \
  88         -G'Unix Makefiles' \
  89         -D'CMAKE_INSTALL_PREFIX'="${install_dir}" \
  90         -D'CMAKE_BUILD_TYPE'="${build_type}" \
  91         "${cmake_user_opts[@]}" \
  92         "${project_source_dir}"
  93
  94 cmake \
  95         --build "${build_dir}" \
  96         -- \
  97         -j"${job_count}" \
  98         "${install_target}"