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:+/${SUBDIR}}"
  13
  14 install_target='install/strip'
  15 build_type='Release'
  16
  17 declare -a cmake_opts
  18 case "$(uname -s)" in
  19         'Linux')
  20                 nproc='egrep "^processor" /proc/cpuinfo | wc -l'
  21                 ;;
  22         'FreeBSD')
  23                 nproc='sysctl -n hw.ncpu'
  24
  25                 if [ -f "$(ls '/usr/local/bin/g++'* | sort | tail -n1)" ]
  26                 then
  27                         gcc_version="$(ls '/usr/local/bin/g++'* | sort | tail -n1 | sed -e 's/.*[^0-9]\([0-9][0-9]*\)$/\1/')"
  28                         cmake_opts[${#cmake_opts[@]}]="-DCMAKE_C_COMPILER=/usr/local/bin/gcc${gcc_version}"
  29                         cmake_opts[${#cmake_opts[@]}]="-DCMAKE_CXX_COMPILER=/usr/local/bin/g++${gcc_version}"
  30                 else
  31                         printf "WARNING: GCC is recommended: if build fails, install GCC and retry\n" >&2
  32                 fi
  33                 ;;
  34         'Darwin')
  35                 nproc='sysctl -n hw.ncpu'
  36
  37                 if [ -f "$(ls '/usr/local/bin/g++-'* | sort | tail -n1)" ]
  38                 then
  39                         gcc_version="$(ls '/usr/local/bin/g++-'* | sort | tail -n1 | sed -e 's/.*[^0-9]\([0-9][0-9]*\)$/\1/')"
  40                         cmake_opts[${#cmake_opts[@]}]="-DCMAKE_C_COMPILER=/usr/local/bin/gcc-${gcc_version}"
  41                         cmake_opts[${#cmake_opts[@]}]="-DCMAKE_CXX_COMPILER=/usr/local/bin/g++-${gcc_version}"
  42                 else
  43                         printf "WARNING: GCC is recommended: if build fails, install GCC and retry\n" >&2
  44                 fi
  45                 ;;
  46         'MSYS_NT-'*)
  47                 nproc='echo "${NUMBER_OF_PROCESSORS}"'
  48                 ;;
  49         'CYGWIN_NT-'*|'MINGW'*'_NT-'*)
  50                 nproc='echo "${NUMBER_OF_PROCESSORS}"'
  51                 printf "WARNING: system is not tested: if build fails, use MSYS2 instead\n" >&2
  52                 ;;
  53         *)
  54                 nproc='true'
  55                 printf "WARNING: system is not tested\n" >&2
  56                 ;;
  57 esac
  58
  59 if command -v 'nproc' >/dev/null
  60 then
  61         job_count="$(nproc)"
  62 else
  63         job_count="$(sh -c "${nproc}")"
  64 fi
  65
  66 job_count="${job_count:-4}"
  67
  68 declare -a cmake_user_opts
  69 while [ ! -z "${1}" ]
  70 do
  71         case "${1}" in
  72         '-j'*)
  73                 job_count="${1:2}"
  74                 shift
  75                 ;;
  76         '--debug')
  77                 install_target='install'
  78                 build_type='Debug'
  79                 shift
  80                 ;;
  81         *)
  82         cmake_user_opts[${#cmake_user_opts[@]}]="${1}"
  83         shift
  84                 ;;
  85         esac
  86 done
  87
  88 declare -a fetch_submodules_cmd
  89 for submodule_file in 'libs/crunch/inc/crn_decomp.h' \
  90         'tools/unvanquished/daemonmap/tools/quake3/q3map2/main.c'
  91 do
  92         if ! [ -f "${project_source_dir}/${submodule_file}" ]
  93         then
  94                 fetch_submodules_cmd=(git -C "${project_source_dir}" submodule update --init --recursive)
  95         fi
  96 done
  97
  98 set -x
  99
 100 "${fetch_submodules_cmd[@]}"
 101
 102 cmake \
 103         -G'Unix Makefiles' \
 104         -S"${project_source_dir}" \
 105         -B"${build_dir}" \
 106         -D'CMAKE_INSTALL_PREFIX'="${install_dir}" \
 107         -D'CMAKE_BUILD_TYPE'="${build_type}" \
 108         "${cmake_opts[@]}" \
 109         "${cmake_user_opts[@]}" \
 110         "${project_source_dir}"
 111
 112 cmake \
 113         --build "${build_dir}" \
 114         -- \
 115         -j"${job_count}" \
 116         "${install_target}"