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