configure

   1 #!/bin/sh
   2
   3 # Defaults
   4
   5 APP_NAME="Prosody"
   6 APP_DIRNAME="prosody"
   7 PREFIX="/usr/local"
   8 SYSCONFDIR="$PREFIX/etc/$APP_DIRNAME"
   9 LIBDIR="$PREFIX/lib"
  10 DATADIR="$PREFIX/var/lib/$APP_DIRNAME"
  11 LUA_SUFFIX=""
  12 LUA_DIR="/usr"
  13 LUA_BINDIR="/usr/bin"
  14 LUA_INCDIR="/usr/include"
  15 LUA_LIBDIR="/usr/lib"
  16 IDN_LIB="idn"
  17 ICU_FLAGS="-licui18n -licudata -licuuc"
  18 OPENSSL_LIB="crypto"
  19 CC="gcc"
  20 LD="gcc"
  21 RUNWITH="lua"
  22 EXCERTS="yes"
  23 PRNG=
  24 PRNGLIBS=
  25
  26 CFLAGS="-fPIC -std=c99"
  27 CFLAGS="$CFLAGS -Wall -pedantic -Wextra -Wshadow -Wformat=2"
  28 LDFLAGS="-shared"
  29
  30 IDN_LIBRARY="idn"
  31 # Help
  32
  33 show_help() {
  34 cat <<EOF
  35 Configure $APP_NAME prior to building.
  36
  37 --help                      This help.
  38 --ostype=OS                 Use one of the OS presets. May be one of:
  39                             debian, macosx, linux, freebsd, openbsd, netbsd
  40 --prefix=DIR                Prefix where $APP_NAME should be installed.
  41                             Default is $PREFIX
  42 --sysconfdir=DIR            Location where the config file should be installed.
  43                             Default is \$PREFIX/etc/$APP_DIRNAME
  44 --libdir=DIR                Location where the server files should be stored.
  45                             Default is \$PREFIX/lib
  46 --datadir=DIR               Location where the server data should be stored.
  47                             Default is \$PREFIX/var/lib/$APP_DIRNAME
  48 --lua-version=VERSION       Use specific Lua version: 5.1, 5.2, or 5.3
  49                             Default is auto-detected.
  50 --lua-suffix=SUFFIX         Versioning suffix to use in Lua filenames.
  51                             Default is "$LUA_SUFFIX" (lua$LUA_SUFFIX...)
  52 --with-lua=PREFIX           Use Lua from given prefix.
  53                             Default is auto-detected (the parent directory of \$LUA_BINDIR).
  54 --with-lua-bin=DIR          You can also specify Lua's bin dir.
  55                             Default is the directory of the auto-detected Lua interpreter,
  56                             or \$LUA_DIR/bin if --with-lua is used.
  57 --runwith=BINARY            What Lua binary to set as runtime environment.
  58                             Default is $RUNWITH
  59 --with-lua-include=DIR      You can also specify Lua's includes dir.
  60                             Default is \$LUA_DIR/include
  61 --with-lua-lib=DIR          You can also specify Lua's libraries dir.
  62                             Default is \$LUA_DIR/lib
  63 --with-idn=LIB              The name of the IDN library to link with.
  64                             Default is $IDN_LIB
  65 --idn-library=(idn|icu)     Select library to use for IDNA functionality.
  66                             idn: use GNU libidn (default)
  67                             icu: use ICU from IBM
  68 --with-ssl=LIB              The name of the SSL to link with.
  69                             Default is $OPENSSL_LIB
  70 --with-random=METHOD        CSPRNG backend to use. One of
  71                             getrandom: Linux kernel
  72                             arc4random: OpenBSD kernel
  73                             openssl: OpenSSL RAND method
  74                             Default is to use /dev/urandom
  75 --cflags=FLAGS              Flags to pass to the compiler
  76                             Default is $CFLAGS
  77 --add-cflags=FLAGS          Adds additional CFLAGS, preserving defaults.
  78                             Can be repeated.
  79 --ldflags=FLAGS             Flags to pass to the linker
  80                             Default is $LDFLAGS
  81 --add-ldflags=FLAGS         Adds additional linker flags, preserving defaults.
  82                             Can be repeated.
  83 --c-compiler=CC             The C compiler to use when building modules.
  84                             Default is $CC
  85 --compiler-wrapper=WRAPPER  Adds a prefix to compiler and linker calls,
  86                             usable for eg distcc or ccache.
  87 --linker=CC                 The linker to use when building modules.
  88                             Default is $LD
  89 --no-example-certs          Disables generation of example certificates.
  90 EOF
  91 }
  92
  93 # Helper functions
  94
  95 find_program() {
  96    prog=$(command -v "$1" 2>/dev/null)
  97    if [ -n "$prog" ]
  98    then
  99       dirname "$prog"
 100    fi
 101 }
 102
 103 die() {
 104    echo "$*"
 105    echo
 106    echo "configure failed."
 107    echo
 108    exit 1
 109 }
 110
 111 # shellcheck disable=SC2039
 112 case $(echo -n x) in
 113 -n*) echo_n_flag='';;
 114 *)   echo_n_flag='-n';;
 115 esac
 116
 117 echo_n() {
 118    echo $echo_n_flag "$*"
 119 }
 120
 121 # ----------------------------------------------------------------------------
 122 # MAIN PROGRAM
 123 # ----------------------------------------------------------------------------
 124
 125 # Parse options
 126
 127 while [ -n "$1" ]
 128 do
 129    value=$(echo "$1" | sed 's/[^=]*.\(.*\)/\1/')
 130    key=$(echo "$1" | sed 's/=.*//')
 131    # shellcheck disable=SC2088
 132    if echo "$value" | grep "~" >/dev/null 2>/dev/null
 133    then
 134       echo
 135       echo '*WARNING*: the "~" sign is not expanded in flags.'
 136       # shellcheck disable=SC2016
 137       echo 'If you mean the home directory, use $HOME instead.'
 138       echo
 139    fi
 140    case "$key" in
 141    --help)
 142       show_help
 143       exit 0
 144       ;;
 145    --prefix)
 146       [ -n "$value" ] || die "Missing value in flag $key."
 147       PREFIX="$value"
 148       PREFIX_SET=yes
 149       ;;
 150    --sysconfdir)
 151       [ -n "$value" ] || die "Missing value in flag $key."
 152       SYSCONFDIR="$value"
 153       SYSCONFDIR_SET=yes
 154       ;;
 155    --ostype)
 156       OSPRESET="$value"
 157       OSPRESET_SET="yes"
 158       ;;
 159    --libdir)
 160       LIBDIR="$value"
 161       LIBDIR_SET=yes
 162       ;;
 163    --datadir)
 164       DATADIR="$value"
 165       DATADIR_SET=yes
 166       ;;
 167    --lua-suffix)
 168       [ -n "$value" ] || die "Missing value in flag $key."
 169       LUA_SUFFIX="$value"
 170       LUA_SUFFIX_SET=yes
 171       ;;
 172    --lua-version|--with-lua-version)
 173       [ -n "$value" ] || die "Missing value in flag $key."
 174       LUA_VERSION="$value"
 175       [ "$LUA_VERSION" = "5.1" ] || [ "$LUA_VERSION" = "5.2" ] || [ "$LUA_VERSION" = "5.3" ] || [ "$LUA_VERSION" = "5.4" ] || die "Invalid Lua version in flag $key."
 176       LUA_VERSION_SET=yes
 177       ;;
 178    --with-lua)
 179       [ -n "$value" ] || die "Missing value in flag $key."
 180       LUA_DIR="$value"
 181       LUA_DIR_SET=yes
 182       ;;
 183    --with-lua-bin)
 184       [ -n "$value" ] || die "Missing value in flag $key."
 185       LUA_BINDIR="$value"
 186       LUA_BINDIR_SET=yes
 187       ;;
 188    --with-lua-include)
 189       [ -n "$value" ] || die "Missing value in flag $key."
 190       LUA_INCDIR="$value"
 191       LUA_INCDIR_SET=yes
 192       ;;
 193    --with-lua-lib)
 194       [ -n "$value" ] || die "Missing value in flag $key."
 195       LUA_LIBDIR="$value"
 196       LUA_LIBDIR_SET=yes
 197       ;;
 198    --with-idn)
 199       IDN_LIB="$value"
 200       ;;
 201    --idn-library)
 202       IDN_LIBRARY="$value"
 203       ;;
 204    --with-ssl)
 205       OPENSSL_LIB="$value"
 206       ;;
 207    --with-random)
 208       case "$value" in
 209          getrandom)
 210             PRNG=GETRANDOM
 211             ;;
 212          openssl)
 213             PRNG=OPENSSL
 214             ;;
 215          arc4random)
 216             PRNG=ARC4RANDOM
 217             ;;
 218       esac
 219       ;;
 220    --cflags)
 221       CFLAGS="$value"
 222       ;;
 223    --add-cflags)
 224       CFLAGS="$CFLAGS $value"
 225       ;;
 226    --ldflags)
 227       LDFLAGS="$value"
 228       ;;
 229    --add-ldflags)
 230       LDFLAGS="$LDFLAGS $value"
 231       ;;
 232    --c-compiler)
 233       CC="$value"
 234       ;;
 235    --linker)
 236       LD="$value"
 237       ;;
 238    --runwith)
 239       RUNWITH="$value"
 240       RUNWITH_SET=yes
 241       ;;
 242     --no-example-certs)
 243       EXCERTS=
 244       ;;
 245    --compiler-wrapper)
 246       CC="$value $CC"
 247       LD="$value $LD"
 248       ;;
 249    *)
 250       die "Error: Unknown flag: $1"
 251       ;;
 252    esac
 253    shift
 254 done
 255
 256 if [ "$OSPRESET_SET" = "yes" ]; then
 257         # TODO make this a switch?
 258    if [ "$OSPRESET" = "debian" ]; then
 259       CFLAGS="$CFLAGS -ggdb"
 260    fi
 261    if [ "$OSPRESET" = "macosx" ]; then
 262       if [ "$LUA_INCDIR_SET" != "yes" ]; then
 263          LUA_INCDIR=/usr/local/include;
 264          LUA_INCDIR_SET=yes
 265       fi
 266       if [ "$LUA_LIBDIR_SET" != "yes" ]; then
 267          LUA_LIBDIR=/usr/local/lib
 268          LUA_LIBDIR_SET=yes
 269       fi
 270       CFLAGS="$CFLAGS -mmacosx-version-min=10.3"
 271       LDFLAGS="-bundle -undefined dynamic_lookup"
 272    fi
 273    if [ "$OSPRESET" = "linux" ]; then
 274       CFLAGS="$CFLAGS -ggdb"
 275    fi
 276    if [ "$OSPRESET" = "freebsd" ] || [ "$OSPRESET" = "openbsd" ]; then
 277       LUA_INCDIR="/usr/local/include/lua51"
 278       LUA_INCDIR_SET=yes
 279       CFLAGS="-Wall -fPIC -I/usr/local/include"
 280       LDFLAGS="-I/usr/local/include -L/usr/local/lib -shared"
 281       LUA_SUFFIX="51"
 282       LUA_SUFFIX_SET=yes
 283       LUA_DIR=/usr/local
 284       LUA_DIR_SET=yes
 285       CC=cc
 286       LD=ld
 287    fi
 288    if [ "$OSPRESET" = "openbsd" ]; then
 289       LUA_INCDIR="/usr/local/include";
 290       LUA_INCDIR_SET="yes"
 291    fi
 292    if [ "$OSPRESET" = "netbsd" ]; then
 293       LUA_INCDIR="/usr/pkg/include/lua-5.1"
 294       LUA_INCDIR_SET=yes
 295       LUA_LIBDIR="/usr/pkg/lib/lua/5.1"
 296       LUA_LIBDIR_SET=yes
 297       CFLAGS="-Wall -fPIC -I/usr/pkg/include"
 298       LDFLAGS="-L/usr/pkg/lib -Wl,-rpath,/usr/pkg/lib -shared"
 299    fi
 300    if [ "$OSPRESET" = "pkg-config" ]; then
 301       if [ "$LUA_SUFFIX_SET" != "yes" ]; then
 302          LUA_SUFFIX="5.1";
 303          LUA_SUFFIX_SET=yes
 304       fi
 305       LUA_CF="$(pkg-config --cflags-only-I lua$LUA_SUFFIX)"
 306       LUA_CF="${LUA_CF#*-I}"
 307       LUA_CF="${LUA_CF%% *}"
 308       if [ "$LUA_CF" != "" ]; then
 309          LUA_INCDIR="$LUA_CF"
 310          LUA_INCDIR_SET=yes
 311       fi
 312       CFLAGS="$CFLAGS"
 313    fi
 314 fi
 315
 316 if [ "$PREFIX_SET" = "yes" ] && [ ! "$SYSCONFDIR_SET" = "yes" ]
 317 then
 318    if [ "$PREFIX" = "/usr" ]
 319    then SYSCONFDIR=/etc/$APP_DIRNAME
 320    else SYSCONFDIR=$PREFIX/etc/$APP_DIRNAME
 321    fi
 322 fi
 323
 324 if [ "$PREFIX_SET" = "yes" ] && [ ! "$DATADIR_SET" = "yes" ]
 325 then
 326    if [ "$PREFIX" = "/usr" ]
 327    then DATADIR=/var/lib/$APP_DIRNAME
 328    else DATADIR=$PREFIX/var/lib/$APP_DIRNAME
 329    fi
 330 fi
 331
 332 if [ "$PREFIX_SET" = "yes" ] && [ ! "$LIBDIR_SET" = "yes" ]
 333 then
 334    LIBDIR=$PREFIX/lib
 335 fi
 336
 337 detect_lua_version() {
 338    detected_lua=$("$1" -e 'print(_VERSION:match(" (5%.[1234])$"))' 2> /dev/null)
 339    if [ "$detected_lua" != "nil" ]
 340    then
 341       if [ "$LUA_VERSION_SET" != "yes" ]
 342       then
 343          echo "Lua version detected: $detected_lua"
 344          LUA_VERSION=$detected_lua
 345          return 0
 346       elif [ "$LUA_VERSION" = "$detected_lua" ]
 347       then
 348          return 0
 349       fi
 350    fi
 351    return 1
 352 }
 353
 354 search_interpreter() {
 355    suffix="$1"
 356    if [ "$LUA_BINDIR_SET" = "yes" ]
 357       then
 358       find_lua="$LUA_BINDIR"
 359    elif [ "$LUA_DIR_SET" = "yes" ]
 360    then
 361       LUA_BINDIR="$LUA_DIR/bin"
 362       if [ -f "$LUA_BINDIR/lua$suffix" ]
 363       then
 364          find_lua="$LUA_BINDIR"
 365       fi
 366    else
 367       find_lua=$(find_program lua"$suffix")
 368    fi
 369    if [ -n "$find_lua" ] && [ -x "$find_lua/lua$suffix" ]
 370    then
 371       if detect_lua_version "$find_lua/lua$suffix"
 372       then
 373          echo "Lua interpreter found: $find_lua/lua$suffix..."
 374          if [ "$LUA_BINDIR_SET" != "yes" ]
 375          then
 376             LUA_BINDIR="$find_lua"
 377          fi
 378          if [ "$LUA_DIR_SET" != "yes" ]
 379          then
 380             LUA_DIR=$(dirname "$find_lua")
 381          fi
 382          LUA_SUFFIX="$suffix"
 383          return 0
 384       fi
 385    fi
 386    return 1
 387 }
 388
 389 lua_interp_found=no
 390 if [ "$LUA_SUFFIX_SET" != "yes" ]
 391 then
 392    if [ "$LUA_VERSION_SET" = "yes" ] && [ "$LUA_VERSION" = "5.1" ]
 393    then
 394       suffixes="5.1 51 -5.1 -51"
 395    elif [ "$LUA_VERSION_SET" = "yes" ] && [ "$LUA_VERSION" = "5.2" ]
 396    then
 397       suffixes="5.2 52 -5.2 -52"
 398    elif [ "$LUA_VERSION_SET" = "yes" ] && [ "$LUA_VERSION" = "5.3" ]
 399    then
 400       suffixes="5.3 53 -5.3 -53"
 401    elif [ "$LUA_VERSION_SET" = "yes" ] && [ "$LUA_VERSION" = "5.4" ]
 402    then
 403       suffixes="5.4 54 -5.4 -54"
 404    else
 405       suffixes="5.1 51 -5.1 -51"
 406       suffixes="$suffixes 5.2 52 -5.2 -52"
 407       suffixes="$suffixes 5.3 53 -5.3 -53"
 408       suffixes="$suffixes 5.4 54 -5.4 -54"
 409    fi
 410    for suffix in "" $suffixes
 411    do
 412       search_interpreter "$suffix" && {
 413       lua_interp_found=yes
 414       break
 415    }
 416 done
 417 else
 418    search_interpreter "$LUA_SUFFIX" && {
 419    lua_interp_found=yes
 420 }
 421 fi
 422
 423 # See #1353
 424 if [ "$LUA_DIR_SET" != "yes" ] && [ "$LUA_DIR" = "/" ]
 425 then
 426    LUA_DIR="/usr"
 427 fi
 428
 429
 430 if [ "$lua_interp_found" != "yes" ] && [ "$RUNWITH_SET" != "yes" ]
 431 then
 432    if [ "$LUA_VERSION_SET" ]; then
 433       interp="Lua $LUA_VERSION";
 434    else
 435       interp="Lua";
 436    fi
 437    if [ "$LUA_DIR_SET" ] || [ "$LUA_BINDIR_SET" ]; then
 438       where="$LUA_BINDIR";
 439    else
 440       where="\$PATH";
 441    fi
 442    echo "$interp interpreter not found in $where"
 443    die "You may want to use the flags --with-lua, --with-lua-bin and/or --lua-suffix. See --help."
 444 fi
 445
 446 if [ "$LUA_VERSION_SET" = "yes" ] && [ "$RUNWITH_SET" != "yes" ]
 447 then
 448    echo_n "Checking if $LUA_BINDIR/lua$LUA_SUFFIX is Lua version $LUA_VERSION... "
 449    if detect_lua_version "$LUA_BINDIR/lua$LUA_SUFFIX"
 450    then
 451       echo "yes"
 452    else
 453       echo "no"
 454       die "You may want to use the flags --with-lua, --with-lua-bin and/or --lua-suffix. See --help."
 455    fi
 456 fi
 457
 458 if [ "$LUA_INCDIR_SET" != "yes" ]
 459 then
 460    LUA_INCDIR="$LUA_DIR/include"
 461 fi
 462
 463 if [ "$LUA_LIBDIR_SET" != "yes" ]
 464 then
 465    LUA_LIBDIR="$LUA_DIR/lib"
 466 fi
 467
 468 lua_h="$LUA_INCDIR/lua.h"
 469 echo_n "Looking for lua.h at $lua_h..."
 470 if [ -f "$lua_h" ]
 471 then
 472    echo found
 473 else
 474   echo "not found"
 475   for postfix in "$LUA_VERSION" "$LUA_SUFFIX"; do
 476     if ! [ "$postfix" = "" ]; then
 477       v_dir="$LUA_INCDIR/lua/$postfix";
 478     else
 479       v_dir="$LUA_INCDIR/lua";
 480     fi
 481     lua_h="$v_dir/lua.h"
 482     echo_n "Looking for lua.h at $lua_h..."
 483     if [ -f "$lua_h" ]
 484     then
 485       LUA_INCDIR="$v_dir"
 486       echo found
 487       break;
 488     else
 489       echo "not found"
 490       d_dir="$LUA_INCDIR/lua$postfix"
 491       lua_h="$d_dir/lua.h"
 492       echo_n "Looking for lua.h at $lua_h..."
 493       if [ -f "$lua_h" ]
 494       then
 495         echo found
 496         LUA_INCDIR="$d_dir"
 497         break;
 498       else
 499         echo "not found"
 500       fi
 501     fi
 502   done
 503   if [ ! -f "$lua_h" ]; then
 504     echo "lua.h not found."
 505     echo
 506     die "You may want to use the flag --with-lua or --with-lua-include. See --help."
 507   fi
 508 fi
 509
 510 if [ "$lua_interp_found" = "yes" ]
 511 then
 512    echo_n "Checking if Lua header version matches that of the interpreter... "
 513    header_version=$(sed -n 's/.*LUA_VERSION_NUM.*5.\(.\).*/5.\1/p' "$lua_h")
 514    if [ "$header_version" = "$LUA_VERSION" ]
 515    then
 516       echo "yes"
 517    else
 518       echo "no"
 519       echo "lua.h version mismatch (interpreter: $LUA_VERSION; lua.h: $header_version)."
 520       die "You may want to use the flag --with-lua or --with-lua-include. See --help."
 521    fi
 522 fi
 523
 524 if [ "$IDN_LIBRARY" = "icu" ]
 525 then
 526    IDNA_LIBS="$ICU_FLAGS"
 527    CFLAGS="$CFLAGS -DUSE_STRINGPREP_ICU"
 528 fi
 529 if [ "$IDN_LIBRARY" = "idn" ]
 530 then
 531    IDNA_LIBS="-l$IDN_LIB"
 532 fi
 533
 534 if [ -f config.unix ]; then
 535    rm -f config.unix
 536 fi
 537
 538 if [ "$RUNWITH_SET" != yes ]; then
 539    RUNWITH="lua$LUA_SUFFIX"
 540 fi
 541
 542 OPENSSL_LIBS="-l$OPENSSL_LIB"
 543
 544 if [ "$PRNG" = "OPENSSL" ]; then
 545    PRNGLIBS=$OPENSSL_LIBS
 546 elif [ "$PRNG" = "ARC4RANDOM" ] && [ "$(uname)" = "Linux" ]; then
 547    PRNGLIBS="-lbsd"
 548 fi
 549
 550 # Write config
 551
 552 echo "Writing configuration..."
 553 echo
 554
 555 rm -f built
 556 cat <<EOF > config.unix
 557 # This file was automatically generated by the configure script.
 558 # Run "./configure --help" for details.
 559
 560 LUA_VERSION=$LUA_VERSION
 561 PREFIX=$PREFIX
 562 SYSCONFDIR=$SYSCONFDIR
 563 LIBDIR=$LIBDIR
 564 DATADIR=$DATADIR
 565 LUA_SUFFIX=$LUA_SUFFIX
 566 LUA_DIR=$LUA_DIR
 567 LUA_DIR_SET=$LUA_DIR_SET
 568 LUA_INCDIR=$LUA_INCDIR
 569 LUA_LIBDIR=$LUA_LIBDIR
 570 LUA_BINDIR=$LUA_BINDIR
 571 IDN_LIB=$IDN_LIB
 572 IDNA_LIBS=$IDNA_LIBS
 573 OPENSSL_LIBS=$OPENSSL_LIBS
 574 CFLAGS=$CFLAGS
 575 LDFLAGS=$LDFLAGS
 576 CC=$CC
 577 LD=$LD
 578 RUNWITH=$RUNWITH
 579 EXCERTS=$EXCERTS
 580 RANDOM=$PRNG
 581 RANDOM_LIBS=$PRNGLIBS
 582
 583
 584 EOF
 585
 586 echo "Installation prefix: $PREFIX"
 587 echo "$APP_NAME configuration directory: $SYSCONFDIR"
 588 echo "Using Lua from: $LUA_DIR"
 589
 590 make clean > /dev/null 2> /dev/null
 591
 592 echo
 593 echo "Done. You can now run 'make' to build."
 594 echo