config is in apt-build 0.12.42.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 | #!/bin/sh
set -e
CONFFILE="/etc/apt/apt-build.conf"
build_dir=
repository_dir=
Olevel=
mtune=
options=
make_options=
# load debconf lib
. /usr/share/debconf/confmodule
# load config file
if [ -e $CONFFILE ] ; then
  
  # TODO: instead of sed here to source config file, improve config parsing in
  # config.c for compatibility with shell variables
  tmpfile=$(mktemp)
  cat $CONFFILE > $tmpfile
  sed -i 's|^\([^=]*\) = |\1=|' $tmpfile
  sed -i 's|build-dir|build_dir|; s|repository-dir|repository_dir|' $tmpfile
  
  . $tmpfile
  rm -f $tmpfile
  
  db_set apt-build/build_dir "$build_dir"
  db_set apt-build/repository_dir "$repository_dir"
  
  case "$Olevel" in
    -O1)
      olevel=Light
      ;;
    -O2)
      olevel=Medium
      ;;
    -O3)
      olevel=Strong
      ;;
    *)
      olevel=
      ;;
  esac
  db_set apt-build/olevel "$olevel"
  
  db_set apt-build/archtype "$mtune"
  db_set apt-build/options "$options"
  #db_set apt-build/make_options "$make_options"
fi
ok=
while [ -z "$ok" ] ; do
  db_input medium apt-build/build_dir || true
  db_go || true
  db_get apt-build/build_dir
  if [ -z "$RET" ] ; then
    db_reset apt-build/build_dir
  else
    ok=0
  fi
done
repository_dir=
while [ -z "$repository_dir" ] ; do
  db_input medium apt-build/repository_dir || true
  db_go || true
  db_get apt-build/repository_dir
  if [ -z "$RET" ] ; then
    db_reset apt-build/repository_dir
  else
    repository_dir="$RET"
  fi
done
db_subst apt-build/add_to_sourceslist repo "$RET"
eval $(apt-config shell etcdir Dir::Etc)
eval $(apt-config shell sourceslist Dir::Etc::sourcelist)
eval $(apt-config shell sourcesparts Dir::Etc::sourceparts)
if [ ! -e $CONFFILE ] ; then
  # set to true for initial configuration (conffile does not exist)
  db_set apt-build/add_to_sourceslist "true"
else
  db_set apt-build/add_to_sourceslist "false"
  
  # run loop to prevent errors if some sources does not exist
  for source in /"$etcdir""$sourceslist" /"$etcdir""$sourcesparts"/*.list ; do
    if [ -e "$source" ] ; then
      if grep -Eq "^[[:space:]]*deb file:$repository_dir apt-build main" "$source" ; then
        db_set apt-build/add_to_sourceslist "true"
        break
      fi
    fi
  done
fi
db_input critical apt-build/add_to_sourceslist || true
db_input critical apt-build/olevel || true
db_input medium apt-build/options || true
db_go || true
multithreaded=
if [ -n "$make_options" ] ; then
  multithreaded="$make_options"
elif [ -r /proc/cpuinfo ] && [ ! -e $CONFFILE ] ; then
  # get number of cores and set as default job argument
  multithreaded="-j$(grep -c processor /proc/cpuinfo)"
  # only allow whole numbers
  case "${multithreaded#-j}" in
    ''|*[!0-9]*|0*)
      multithreaded=
      ;;
  esac
fi
db_set apt-build/make_options "$multithreaded"
db_input high apt-build/make_options || true
db_go || true
# get architecture
for i in 1 2 ; do
  # We need to set RET empty in case of /proc/cpuinfo is missing and to support
  # clean archtype (cpu or architecture type)
  RET=
  case "$(dpkg-architecture -qDEB_HOST_ARCH)" in
    i[3-9]86|x86|x86pc|k5|k6|k6-2|k6-3|pentium*|athlon*|i586-i686)
	    if [ -r /proc/cpuinfo ] ; then
        case "$(grep 'vendor_id' /proc/cpuinfo | cut -d ':' -f 2 | head -n 1)" in
		      *AMD*)
			      db_input critical apt-build/arch_amd || true
			      db_get apt-build/arch_amd
			      ;;
			    *Intel*)
			      db_input critical apt-build/arch_intel || true
			      db_get apt-build/arch_intel
			      ;;
		    esac
	    fi
	    ;;
	  sparc*)
		  db_input critical apt-build/arch_sparc || true
		  db_get apt-build/arch_sparc
		  ;;
	  alpha)
		  db_input critical apt-build/arch_alpha || true
		  db_get apt-build/arch_alpha
		  ;;
	  arm*)
		  db_input critical apt-build/arch_arm || true
		  db_get apt-build/arch_arm
		  ;;
	  amd64|*-amd64)
		  db_input critical apt-build/arch_amd64 || true
		  db_get apt-build/arch_amd64
		  ;;
  esac
  
  if [ $i -eq 1 ] ; then
    db_go || true
  else
    db_set apt-build/archtype "$RET"
  fi
done
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