scripts/config-funcs

   1 #!/bin/sh
   2
   3 # Copyright (C) 2008 Jonathan Moore Liles                                     #
   4 #                                                                             #
   5 # This program is free software; you can redistribute it and/or modify it     #
   6 # under the terms of the GNU General Public License as published by the       #
   7 # Free Software Foundation; either version 2 of the License, or (at your      #
   8 # option) any later version.                                                  #
   9 #                                                                             #
  10 # This program is distributed in the hope that it will be useful, but WITHOUT #
  11 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or       #
  12 # FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for   #
  13 # more details.                                                               #
  14 #                                                                             #
  15 # You should have received a copy of the GNU General Public License along     #
  16 # with This program; see the file COPYING.  If not,write to the Free Software #
  17 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  #
  18 #
  19
  20 . scripts/colors
  21
  22 #####
  23 ## support functions for 'configure' scripts.
  24
  25 fatal ()
  26 {
  27     echo "$BOLD$RED$*$SGR0" > /dev/stderr
  28     exit 255
  29 }
  30
  31 UPDATE=no
  32 HELP=no
  33
  34 split ()
  35 {
  36     while [ $# -gt 0 ]
  37     do
  38         echo $1
  39         shift 1
  40     done
  41 }
  42
  43 if [ $# -gt 0 ]
  44 then
  45     case "$1" in
  46         --update)
  47             UPDATE=yes
  48             shift 1
  49             ;;
  50         --help)
  51             HELP=yes
  52             shift 1
  53             ;;
  54         *)
  55 #            fatal "This is not an autoconf script. Run it without any options and you will be prompted."
  56             ;;
  57     esac
  58
  59     if [ $# -gt 0 ]
  60     then
  61         echo "## options" > .config
  62
  63         split "$@" | sed '
  64 s/--\(enable\|disable\)-\([^ =]\+\)/--\1-\U\2/g;
  65 s/--enable-\([^ =]\+\)=\(.*\)/USE_\1=\2/g;
  66 s/--enable-\([^ =]\+\)/USE_\1=yes/g;
  67 s/--disable-\([^ =]\+\)/USE_\1=no/g;
  68 s/--\([^ =]\+\)/\1/g;
  69 ' | sed -n '/^[^ =]\+=./p' >> .config
  70         UPDATE=yes;
  71     fi
  72 fi
  73
  74 if [ $HELP != yes ] && [ $UPDATE != yes ]
  75 then
  76     if ! ( [ -t 0 ] && [ -t 1 ] )
  77     then
  78         fatal "not a terminal!"
  79     fi
  80 fi
  81
  82 ask ()
  83 {
  84     local A D O
  85
  86     D="`eval echo \\$$2`"
  87     D=${D:-$3}
  88
  89     if [ $HELP = yes ]
  90     then
  91         if [ "$3" = yes ] || [ "$3" = no ]
  92         then
  93             O=`echo -n "$2" | sed s/^USE_/--enable-/ | tr '[[:upper:]]' '[[:lower:]]'`
  94         else
  95             O=`echo -n "--$2" | tr '[[:upper:]]' '[[:lower:]]'`
  96         fi
  97
  98         printf "    ${BOLD}${GREEN}%-15s${SGR0}\t%-40s (currently: ${BOLD}%s${SGR0})\n" "$O" "$1" "$D"
  99
 100         return
 101     fi
 102
 103     echo -n "$BLACK$BOLD::$SGR0 ${1}? [$BOLD${D}$SGR0] "
 104
 105     if [ $UPDATE = yes ]
 106     then
 107         A="$D"
 108         echo
 109     else
 110         read A
 111         A=${A:-$D}
 112     fi
 113
 114     if [ "$3" = yes ] || [ "$3" = no ]
 115     then
 116         case "$A" in
 117             no | n | N) A=no ;;
 118             yes | y | Y) A=yes ;;
 119             * ) fatal "Invalid response. Must be 'yes' or 'no'" ;;
 120         esac
 121     fi
 122
 123     append "${2}=${A:-$D}"
 124
 125     eval "${2}='${A:-$D}'"
 126 }
 127
 128 ok ()
 129 {
 130     echo '
'`tput cuf 30`"$BOLD${GREEN}ok${SGR0} ${*:+${BOLD}${BLACK}($*)${SGR0}}"
 131 }
 132
 133 failed ()
 134 {
 135     echo '
'`tput cuf 30`"$BOLD${RED}failed!${SGR0}" > /dev/stderr
 136     rm -f .config
 137 }
 138
 139 missing ()
 140 {
 141     echo '
'`tput cuf 30`"$BOLD${YELLOW}missing!${SGR0}" > /dev/stderr
 142 }
 143
 144 using ()
 145 {
 146     [ "`eval echo \\$USE_$1`" = yes ]
 147
 148     return $?
 149 }
 150
 151 upcase ()
 152 {
 153     echo "$*" | tr '[[:lower:]]' '[[:upper:]]'
 154 }
 155
 156 extract_options ()
 157 {
 158     local line name value
 159
 160     if [ -f .config ]
 161     then
 162         {
 163             while read line
 164             do
 165                 [ "$line" = "## options" ] && break
 166             done
 167
 168             while read line
 169             do
 170                 if [ "$line" = "## libs" ]
 171                 then
 172                     break
 173                 else
 174                     name=${line%=*}
 175                     value=${line#*=}
 176                     eval "$name='$value'"
 177                 fi
 178             done
 179         } < .config
 180     fi
 181 }
 182
 183 begin ()
 184 {
 185     echo -n "Checking sanity..."
 186     require_command tput tput > /dev/null
 187     require_command pkg_config pkg-config > /dev/null
 188     require_command sed sed > /dev/null
 189     ok
 190 }
 191
 192 warn ()
 193 {
 194     echo " ${BOLD}${YELLOW}* ${SGR0}${BOLD}$*"
 195 }
 196
 197 info ()
 198 {
 199     echo "${BOLD}${CYAN}--- ${SGR0}$*"
 200 }
 201
 202 begin_options ()
 203 {
 204     # get the old values
 205     extract_options
 206
 207     if [ $HELP = yes ]
 208     then
 209         echo
 210         warn "This is a ${BOLD}non-configure${SGR0} script. Run without any arguments and you will be prompted"
 211         warn "with configuration choices. Alternatively, you may use the following autoconf style"
 212         warn "arguments for non-interactive configuration."
 213         echo
 214         echo " Available options:"
 215         echo
 216     else
 217         echo > .config
 218         append "# This file was automatically generated on `date`. Any changes may be lost!"
 219         append "## options"
 220
 221         if [ $UPDATE = yes ]
 222         then
 223             info "Updating configuration"
 224         else
 225             info "Configuration required"
 226         fi
 227     fi
 228 }
 229
 230 begin_tests ()
 231 {
 232     if [ $HELP = yes ]
 233     then
 234         echo
 235         exit 0;
 236     fi
 237
 238     append "## libs"
 239     extract_options
 240 }
 241
 242 append ()
 243 {
 244     echo "$1" >> .config
 245 }
 246
 247 end ()
 248 {
 249     info "Configuration complete"
 250     touch .config
 251 }
 252
 253 require_command ()
 254 {
 255     echo -n "Checking for ${BOLD}$1${SGR0}..."
 256
 257     local name;
 258
 259     if [ -x "$2" ]
 260     then
 261         name="$PWD/$2"
 262         ok "$name"
 263     elif [ -x "`which "$2"`" ]
 264     then
 265         name="`which "$2"`"
 266         ok "$name"
 267     else
 268         failed
 269         fatal "Command $1 not found."
 270     fi
 271
 272     append "$1=$name"
 273 }
 274
 275 require_package ()
 276 {
 277     local name
 278
 279     echo -n "Checking for $BOLD$1$SGR0..."
 280     if ! pkg-config --exists $3
 281     then
 282         failed
 283         fatal "Required package $1 doesn't appear to be installed."
 284     elif ! pkg-config --atleast-version $2 $3
 285     then
 286         failed
 287         fatal "The installed version of $1 (`pkg-config --mod-version $3`) is too old."
 288     fi
 289
 290     name="`upcase \"$1\"`"
 291     append "${name}_LIBS=`pkg-config --libs $3 | sed 's/,\\?--as-needed//g'`"
 292     append "${name}_CFLAGS=-DHAVE_${1} `pkg-config --cflags $3`"
 293
 294     ok `pkg-config --modversion "$3"`
 295     return 0
 296 }
 297
 298 suggest_package ()
 299 {
 300    local name
 301
 302     echo -n "Checking for $BOLD$1$SGR0..."
 303     if ! pkg-config --exists $3
 304     then
 305         missing
 306         warn "Suggested package $1 doesn't appear to be installed. Some functionality may be missing from your build."
 307         warn "Continuing without $1...\n"
 308         return 1;
 309     elif ! pkg-config --atleast-version $2 $3
 310     then
 311         missing
 312         warn "The installed version of suggested package $1 (`pkg-config --mod-version $3`) is too old."
 313         warn "Continuing without $1..."
 314         return 1;
 315     fi
 316
 317     name="`upcase \"$1\"`"
 318     append "${name}_LIBS=`pkg-config --libs $3 | sed 's/,\\?--as-needed//g'`"
 319     append "${name}_CFLAGS=-DHAVE_${1} `pkg-config --cflags $3`"
 320
 321     ok `pkg-config --modversion "$3"`
 322     return 0
 323 }
 324
 325 _test_version ()
 326 {
 327     if [ $# = 6 ]
 328     then
 329         [ $1 -gt $4 ] && return 0
 330         [ $1 -eq $4 ] && [ $2 -gt $5 ] && return 0
 331         [ $1 -eq $4 ] && [ $2 -eq $5 ] && [ $3 -gt $6 ] && return 0
 332         [ $1 -eq $4 ] && [ $2 -eq $5 ] && [ $3 -eq $6 ] && return 0
 333         return 1
 334     elif [ $# = 4 ]
 335     then
 336         [ $1 -gt $3 ] && return 0
 337         [ $1 -eq $3 ] && [ $2 -eq $4 ] && return 0
 338         return 1
 339     fi
 340 }
 341
 342 # return true if #1 is greater than or equal to $2
 343 test_version ()
 344 {
 345     local IFS
 346     IFS='.'
 347
 348     _test_version $1 $2
 349 }
 350
 351 version_of ()
 352 {
 353     echo `pkg-config --modversion $1`
 354 }
 355
 356 hostname_resolvable ()
 357 {
 358     ping -c1 `hostname` >/dev/null 2>/dev/null
 359 }
 360
 361 require_FLTK ()
 362 {
 363     local use
 364     local appendflags
 365
 366     require_command ntk_config lib/ntk/ntk-config
 367
 368     echo -n "Checking for ${BOLD}FLTK${SGR0}..."
 369
 370     FLTK_VERSION=`lib/ntk/ntk-config --version`
 371
 372     if ! test_version $FLTK_VERSION $1
 373     then
 374         failed
 375         fatal "The installed FLTK version ($FLTK_VERSION) is too old."
 376     else
 377         ok $FLTK_VERSION
 378     fi
 379
 380     use=
 381     appendflags=
 382
 383     while [ $# -gt 1 ]
 384     do
 385         shift 1
 386
 387         [ "$1" = 'cairo' ] && appendflags="-DFLTK_HAVE_CAIRO=1 -DUSE_X11=1"
 388
 389         use="$use --use-$1"
 390     done
 391
 392     append "FLTK_LIBS=`lib/ntk/ntk-config $use --libs | sed 's/,\\?--as-needed//g'`"
 393     append "FLTK_LDFLAGS=`lib/ntk/ntk-config $use --ldflags | sed 's/,\\?--as-needed//g'`"
 394     append "FLTK_CFLAGS=`lib/ntk/ntk-config $use --cflags` $appendflags"
 395 }