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:+/${SUBDIR}}"
  13
  14 install_target='install/strip'
  15 build_type='Release'
  16
  17 if [ "$(uname -s)" = 'FreeBSD' ]
  18 then
  19         install_target='install'
  20 fi
  21
  22 _job_count=4
  23
  24 _nproc () {
  25         if command -v 'nproc' >/dev/null
  26         then
  27                 nproc
  28         else
  29                 case "$(uname -s)" in
  30                         'Linux')
  31                                 egrep "^processor" /proc/cpuinfo | wc -l
  32                                 ;;
  33                         'FreeBSD')
  34                                 sysctl -n hw.ncpu
  35                                 ;;
  36                         'Darwin')
  37                                 sysctl -n hw.logicalcpu \
  38                                 || sysctl -n hw.ncpu
  39                                 ;;
  40                         'MSYS_NT-'*|'CYGWIN_NT-'*|'MINGW'*'_NT-'*)
  41                                 if command -v 'wmic' >/dev/null
  42                                 then
  43                                         wmic cpu get NumberOfLogicalProcessors/Format:List \
  44                                                 | grep -m1 '=' | cut -f2 -d'='
  45                                 else
  46                                         echo "${NUMBER_OF_PROCESSORS:-${_job_count}}"
  47                                 fi
  48                                 ;;
  49                         *)
  50                                 echo "${_job_count}"
  51                                 ;;
  52                 esac
  53         fi
  54 }
  55
  56 job_count="$(_nproc)" 2>/dev/null
  57 job_count="${job_count:-${_job_count}}"
  58
  59 declare -a cmake_user_opts
  60 while [ ! -z "${1}" ]
  61 do
  62         case "${1}" in
  63         '-j'*)
  64                 job_count="${1:2}"
  65                 shift
  66                 ;;
  67         '--debug')
  68                 install_target='install'
  69                 build_type='Debug'
  70                 shift
  71                 ;;
  72         *)
  73         cmake_user_opts[${#cmake_user_opts[@]}]="${1}"
  74         shift
  75                 ;;
  76         esac
  77 done
  78
  79 declare -a fetch_submodules_cmd
  80 for submodule_file in 'libs/crunch/inc/crn_decomp.h' \
  81         'tools/unvanquished/daemonmap/tools/quake3/q3map2/main.c'
  82 do
  83         if ! [ -f "${project_source_dir}/${submodule_file}" ]
  84         then
  85                 fetch_submodules_cmd=(git -C "${project_source_dir}" submodule update --init --recursive)
  86         fi
  87 done
  88
  89 case "$(uname -s)" in
  90         'Darwin')
  91                 cmake_user_opts[${#cmake_user_opts[@]}]='-DBUILTIN_GTKGLEXT=ON -DBUILTIN_GTKTHEME_MOJAVE=ON'
  92                 ;;
  93 esac
  94
  95 task_enter_build_dir () {
  96         mkdir -pv "${build_dir}"
  97         cd "${build_dir}"
  98 }
  99
 100 task_fetch_submodules () {
 101         "${fetch_submodules_cmd[@]}"
 102 }
 103
 104 task_configure () {
 105         cmake \
 106                 -G'Unix Makefiles' \
 107                 -D'CMAKE_INSTALL_PREFIX'="${install_dir}" \
 108                 -D'CMAKE_BUILD_TYPE'="${build_type}" \
 109                 "${cmake_user_opts[@]}" \
 110                 "${project_source_dir}"
 111 }
 112
 113 task_build_builtins () {
 114         make -j"${job_count}" builtins
 115 }
 116
 117 task_build () {
 118         make -j"${job_count}"
 119 }
 120
 121 task_install () {
 122         make "${install_target}"
 123 }
 124
 125 set -x
 126
 127 task_enter_build_dir
 128
 129 task_fetch_submodules
 130
 131 task_configure
 132
 133 task_build_builtins
 134
 135 task_build
 136
 137 task_install