aboutsummaryrefslogtreecommitdiffstats
path: root/configure
blob: bb766e86d67762df66c64a354d2a063d0379fda1 (plain)
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
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
#!/bin/sh

# Defaults

APP_NAME="Prosody"
APP_DIRNAME="prosody"
PREFIX="/usr/local"
SYSCONFDIR="$PREFIX/etc/$APP_DIRNAME"
LIBDIR="$PREFIX/lib"
DATADIR="$PREFIX/var/lib/$APP_DIRNAME"
LUA_SUFFIX=""
LUA_DIR="/usr"
LUA_BINDIR="/usr/bin"
LUA_INCDIR="/usr/include"
LUA_LIBDIR="/usr/lib"
IDN_LIB="idn"
ICU_FLAGS="-licui18n -licudata -licuuc"
OPENSSL_LIB="crypto"
CC="gcc"
LD="gcc"
RUNWITH="lua"
EXCERTS="yes"
PRNG=
PRNGLIBS=

CFLAGS="-fPIC -Wall -pedantic -std=c99"
LDFLAGS="-shared"

IDN_LIBRARY="idn"
# Help

show_help() {
cat <<EOF
Configure $APP_NAME prior to building.

--help                      This help.
--ostype=OS                 Use one of the OS presets. May be one of:
                            debian, macosx, linux, freebsd, openbsd, netbsd
--prefix=DIR                Prefix where $APP_NAME should be installed.
                            Default is $PREFIX
--sysconfdir=DIR            Location where the config file should be installed.
                            Default is \$PREFIX/etc/$APP_DIRNAME
--libdir=DIR                Location where the server files should be stored.
                            Default is \$PREFIX/lib
--datadir=DIR               Location where the server data should be stored.
                            Default is \$PREFIX/var/lib/$APP_DIRNAME
--lua-version=VERSION       Use specific Lua version: 5.1, 5.2, or 5.3
                            Default is auto-detected.
--lua-suffix=SUFFIX         Versioning suffix to use in Lua filenames.
                            Default is "$LUA_SUFFIX" (lua$LUA_SUFFIX...)
--with-lua=PREFIX           Use Lua from given prefix.
                            Default is auto-detected (the parent directory of \$LUA_BINDIR).
--with-lua-bin=DIR          You can also specify Lua's bin dir.
                            Default is the directory of the auto-detected Lua interpreter,
                            or \$LUA_DIR/bin if --with-lua is used.
--runwith=BINARY            What Lua binary to set as runtime environment.
                            Default is $RUNWITH
--with-lua-include=DIR      You can also specify Lua's includes dir.
                            Default is \$LUA_DIR/include
--with-lua-lib=DIR          You can also specify Lua's libraries dir.
                            Default is \$LUA_DIR/lib
--with-idn=LIB              The name of the IDN library to link with.
                            Default is $IDN_LIB
--idn-library=(idn|icu)     Select library to use for IDNA functionality.
                            idn: use GNU libidn (default)
                            icu: use ICU from IBM
--with-ssl=LIB              The name of the SSL to link with.
                            Default is $OPENSSL_LIB
--with-random=METHOD        CSPRNG backend to use. One of
                            getrandom: Linux kernel
                            arc4random: OpenBSD kernel
                            openssl: OpenSSL RAND method
                            Default is to use /dev/urandom
--cflags=FLAGS              Flags to pass to the compiler
                            Default is $CFLAGS
--add-cflags=FLAGS          Adds additional CFLAGS, preserving defaults.
                            Can be repeated.
--ldflags=FLAGS             Flags to pass to the linker
                            Default is $LDFLAGS
--add-ldflags=FLAGS         Adds additional linker flags, preserving defaults.
                            Can be repeated.
--c-compiler=CC             The C compiler to use when building modules.
                            Default is $CC
--compiler-wrapper=WRAPPER  Adds a prefix to compiler and linker calls,
                            usable for eg distcc or ccache.
--linker=CC                 The linker to use when building modules.
                            Default is $LD
--no-example-certs          Disables generation of example certificates.
EOF
}

# Helper functions

find_program() {
   prog=$(command -v "$1" 2>/dev/null)
   if [ -n "$prog" ]
   then
      dirname "$prog"
   fi
}

die() {
   echo "$*"
   echo
   echo "configure failed."
   echo
   exit 1
}

# shellcheck disable=SC2039
case $(echo -n x) in
-n*) echo_n_flag='';;
*)   echo_n_flag='-n';;
esac

echo_n() {
   echo $echo_n_flag "$*"
}

# ----------------------------------------------------------------------------
# MAIN PROGRAM
# ----------------------------------------------------------------------------

# Parse options

while [ -n "$1" ]
do
   value=$(echo "$1" | sed 's/[^=]*.\(.*\)/\1/')
   key=$(echo "$1" | sed 's/=.*//')
   if echo "$value" | grep "~" >/dev/null 2>/dev/null
   then
      echo
      echo '*WARNING*: the "~" sign is not expanded in flags.'
      # shellcheck disable=SC2016
      echo 'If you mean the home directory, use $HOME instead.'
      echo
   fi
   case "$key" in
   --help)
      show_help
      exit 0
      ;;
   --prefix)
      [ -n "$value" ] || die "Missing value in flag $key."
      PREFIX="$value"
      PREFIX_SET=yes
      ;;
   --sysconfdir)
      [ -n "$value" ] || die "Missing value in flag $key."
      SYSCONFDIR="$value"
      SYSCONFDIR_SET=yes
      ;;
   --ostype)
	# TODO make this a switch?
      OSPRESET="$value"
      if [ "$OSPRESET" = "debian" ]; then
         if [ "$LUA_SUFFIX_SET" != "yes" ]; then
            LUA_SUFFIX="5.1";
            LUA_SUFFIX_SET=yes
         fi
         if [ "$RUNWITH_SET" != "yes" ]; then
            RUNWITH="lua$LUA_SUFFIX";
            RUNWITH_SET=yes
         fi
         LUA_INCDIR="/usr/include/lua$LUA_SUFFIX"
         LUA_INCDIR_SET=yes
         CFLAGS="$CFLAGS -ggdb"
      fi
      if [ "$OSPRESET" = "macosx" ]; then
         LUA_INCDIR=/usr/local/include;
         LUA_INCDIR_SET=yes
         LUA_LIBDIR=/usr/local/lib
         LUA_LIBDIR_SET=yes
         CFLAGS="$CFLAGS -mmacosx-version-min=10.3"
         LDFLAGS="-bundle -undefined dynamic_lookup"
      fi
      if [ "$OSPRESET" = "linux" ]; then
         LUA_INCDIR=/usr/local/include;
         LUA_INCDIR_SET=yes
         LUA_LIBDIR=/usr/local/lib
         LUA_LIBDIR_SET=yes
         CFLAGS="$CFLAGS -ggdb"
      fi
      if [ "$OSPRESET" = "freebsd" -o "$OSPRESET" = "openbsd" ]; then
         LUA_INCDIR="/usr/local/include/lua51"
         LUA_INCDIR_SET=yes
         CFLAGS="-Wall -fPIC -I/usr/local/include"
         LDFLAGS="-I/usr/local/include -L/usr/local/lib -shared"
         LUA_SUFFIX="51"
         LUA_SUFFIX_SET=yes
         LUA_DIR=/usr/local
         LUA_DIR_SET=yes
         CC=cc
         LD=ld
      fi
      if [ "$OSPRESET" = "openbsd" ]; then
         LUA_INCDIR="/usr/local/include";
         LUA_INCDIR_SET="yes"
      fi
      if [ "$OSPRESET" = "netbsd" ]; then
         LUA_INCDIR="/usr/pkg/include/lua-5.1"
         LUA_INCDIR_SET=yes
         LUA_LIBDIR="/usr/pkg/lib/lua/5.1"
         LUA_LIBDIR_SET=yes
         CFLAGS="-Wall -fPIC -I/usr/pkg/include"
         LDFLAGS="-L/usr/pkg/lib -Wl,-rpath,/usr/pkg/lib -shared"
      fi
      if [ "$OSPRESET" = "pkg-config" ]; then
         if [ "$LUA_SUFFIX_SET" != "yes" ]; then
            LUA_SUFFIX="5.1";
            LUA_SUFFIX_SET=yes
         fi
         LUA_CF="$(pkg-config --cflags-only-I lua$LUA_SUFFIX)"
         LUA_CF="${LUA_CF#*-I}"
         LUA_CF="${LUA_CF%% *}"
         if [ "$LUA_CF" != "" ]; then
            LUA_INCDIR="$LUA_CF"
            LUA_INCDIR_SET=yes
         fi
         CFLAGS="$CFLAGS"
      fi
      ;;
   --libdir)
      LIBDIR="$value"
      LIBDIR_SET=yes
      ;;
   --datadir)
      DATADIR="$value"
      DATADIR_SET=yes
      ;;
   --lua-suffix)
      [ -n "$value" ] || die "Missing value in flag $key."
      LUA_SUFFIX="$value"
      LUA_SUFFIX_SET=yes
      ;;
   --lua-version|--with-lua-version)
      [ -n "$value" ] || die "Missing value in flag $key."
      LUA_VERSION="$value"
      [ "$LUA_VERSION" = "5.1" -o "$LUA_VERSION" = "5.2" -o "$LUA_VERSION" = "5.3" ] || die "Invalid Lua version in flag $key."
      LUA_VERSION_SET=yes
      ;;
   --with-lua)
      [ -n "$value" ] || die "Missing value in flag $key."
      LUA_DIR="$value"
      LUA_DIR_SET=yes
      ;;
   --with-lua-bin)
      [ -n "$value" ] || die "Missing value in flag $key."
      LUA_BINDIR="$value"
      LUA_BINDIR_SET=yes
      ;;
   --with-lua-include)
      [ -n "$value" ] || die "Missing value in flag $key."
      LUA_INCDIR="$value"
      LUA_INCDIR_SET=yes
      ;;
   --with-lua-lib)
      [ -n "$value" ] || die "Missing value in flag $key."
      LUA_LIBDIR="$value"
      LUA_LIBDIR_SET=yes
      ;;
   --with-idn)
      IDN_LIB="$value"
      ;;
   --idn-library)
      IDN_LIBRARY="$value"
      ;;
   --with-ssl)
      OPENSSL_LIB="$value"
      ;;
   --with-random)
      case "$value" in
         getrandom)
            PRNG=GETRANDOM
            ;;
         openssl)
            PRNG=OPENSSL
            ;;
         arc4random)
            PRNG=ARC4RANDOM
            ;;
      esac
      ;;
   --cflags)
      CFLAGS="$value"
      ;;
   --add-cflags)
      CFLAGS="$CFLAGS $value"
      ;;
   --ldflags)
      LDFLAGS="$value"
      ;;
   --add-ldflags)
      LDFLAGS="$LDFLAGS $value"
      ;;
   --c-compiler)
      CC="$value"
      ;;
   --linker)
      LD="$value"
      ;;
   --runwith)
      RUNWITH="$value"
      RUNWITH_SET=yes
      ;;
    --no-example-certs)
      EXCERTS=
      ;;
   --compiler-wrapper)
      CC="$value $CC"
      LD="$value $LD"
      ;;
   *)
      die "Error: Unknown flag: $1"
      ;;
   esac
   shift
done

if [ "$PREFIX_SET" = "yes" ] && [ ! "$SYSCONFDIR_SET" = "yes" ]
then
   if [ "$PREFIX" = "/usr" ]
   then SYSCONFDIR=/etc/$APP_DIRNAME
   else SYSCONFDIR=$PREFIX/etc/$APP_DIRNAME
   fi
fi

if [ "$PREFIX_SET" = "yes" ] && [ ! "$DATADIR_SET" = "yes" ]
then
   if [ "$PREFIX" = "/usr" ]
   then DATADIR=/var/lib/$APP_DIRNAME
   else DATADIR=$PREFIX/var/lib/$APP_DIRNAME
   fi
fi

if [ "$PREFIX_SET" = "yes" ] && [ ! "$LIBDIR_SET" = "yes" ]
then
   LIBDIR=$PREFIX/lib
fi

detect_lua_version() {
   detected_lua=$("$1" -e 'print(_VERSION:match(" (5%.[123])$"))' 2> /dev/null)
   if [ "$detected_lua" != "nil" ]
   then
      if [ "$LUA_VERSION_SET" != "yes" ]
      then
         echo "Lua version detected: $detected_lua"
         LUA_VERSION=$detected_lua
         return 0
      elif [ "$LUA_VERSION" = "$detected_lua" ]
      then
         return 0
      fi
   fi
   return 1
}

search_interpreter() {
   suffix="$1"
   if [ "$LUA_BINDIR_SET" = "yes" ]
      then
      find_lua="$LUA_BINDIR"
   elif [ "$LUA_DIR_SET" = "yes" ]
   then
      LUA_BINDIR="$LUA_DIR/bin"
      if [ -f "$LUA_BINDIR/lua$suffix" ]
      then
         find_lua="$LUA_BINDIR"
      fi
   else
      find_lua=$(find_program lua"$suffix")
   fi
   if [ -n "$find_lua" ] && [ -x "$find_lua/lua$suffix" ]
   then
      if detect_lua_version "$find_lua/lua$suffix"
      then
         echo "Lua interpreter found: $find_lua/lua$suffix..."
         if [ "$LUA_BINDIR_SET" != "yes" ]
         then
            LUA_BINDIR="$find_lua"
         fi
         if [ "$LUA_DIR_SET" != "yes" ]
         then
            LUA_DIR=$(dirname "$find_lua")
         fi
         LUA_SUFFIX="$suffix"
         return 0
      fi
   fi
   return 1
}

lua_interp_found=no
if [ "$LUA_SUFFIX_SET" != "yes" ]
then
   if [ "$LUA_VERSION_SET" = "yes" ] && [ "$LUA_VERSION" = "5.1" ]
   then
      suffixes="5.1 51 -5.1 -51"
   elif [ "$LUA_VERSION_SET" = "yes" ] && [ "$LUA_VERSION" = "5.2" ]
   then
      suffixes="5.2 52 -5.2 -52"
   elif [ "$LUA_VERSION_SET" = "yes" ] && [ "$LUA_VERSION" = "5.3" ]
   then
      suffixes="5.3 53 -5.3 -53"
   else
      suffixes="5.1 51 -5.1 -51 5.2 52 -5.2 -52 5.3 53 -5.3 -53"
   fi
   for suffix in "" $suffixes
   do
      search_interpreter "$suffix" && {
      lua_interp_found=yes
      break
   }
done
else
   search_interpreter "$LUA_SUFFIX" && {
   lua_interp_found=yes
}
fi

if [ "$lua_interp_found" != "yes" ] && [ "$RUNWITH_SET" != "yes" ]
then
   if [ "$LUA_VERSION_SET" ]; then
      interp="Lua $LUA_VERSION";
   else
      interp="Lua";
   fi
   if [ "$LUA_DIR_SET" -o "$LUA_BINDIR_SET" ]; then
      where="$LUA_BINDIR";
   else
      where="\$PATH";
   fi
   echo "$interp interpreter not found in $where"
   die "You may want to use the flags --with-lua, --with-lua-bin and/or --lua-suffix. See --help."
fi

if [ "$LUA_VERSION_SET" = "yes" ] && [ "$RUNWITH_SET" != "yes" ]
then
   echo_n "Checking if $LUA_BINDIR/lua$LUA_SUFFIX is Lua version $LUA_VERSION... "
   if detect_lua_version "$LUA_BINDIR/lua$LUA_SUFFIX"
   then
      echo "yes"
   else
      echo "no"
      die "You may want to use the flags --with-lua, --with-lua-bin and/or --lua-suffix. See --help."
   fi
fi

if [ "$LUA_INCDIR_SET" != "yes" ]
then
   LUA_INCDIR="$LUA_DIR/include"
fi

if [ "$LUA_LIBDIR_SET" != "yes" ]
then
   LUA_LIBDIR="$LUA_DIR/lib"
fi

echo_n "Checking Lua includes... "
lua_h="$LUA_INCDIR/lua.h"
if [ -f "$lua_h" ]
then
   echo "lua.h found in $lua_h"
else
   v_dir="$LUA_INCDIR/lua/$LUA_VERSION"
   lua_h="$v_dir/lua.h"
   if [ -f "$lua_h" ]
   then
      echo "lua.h found in $lua_h"
      LUA_INCDIR="$v_dir"
   else
      d_dir="$LUA_INCDIR/lua$LUA_VERSION"
      lua_h="$d_dir/lua.h"
      if [ -f "$lua_h" ]
      then
         echo "lua.h found in $lua_h (Debian/Ubuntu)"
         LUA_INCDIR="$d_dir"
      else
         echo "lua.h not found (looked in $LUA_INCDIR, $v_dir, $d_dir)"
         die "You may want to use the flag --with-lua or --with-lua-include. See --help."
      fi
   fi
fi

if [ "$lua_interp_found" = "yes" ]
then
   echo_n "Checking if Lua header version matches that of the interpreter... "
   header_version=$(sed -n 's/.*LUA_VERSION_NUM.*5.\(.\).*/5.\1/p' "$lua_h")
   if [ "$header_version" = "$LUA_VERSION" ]
   then
      echo "yes"
   else
      echo "no"
      echo "lua.h version mismatch (interpreter: $LUA_VERSION; lua.h: $header_version)."
      die "You may want to use the flag --with-lua or --with-lua-include. See --help."
   fi
fi

if [ "$IDN_LIBRARY" = "icu" ]
then
   IDNA_LIBS="$ICU_FLAGS"
   CFLAGS="$CFLAGS -DUSE_STRINGPREP_ICU"
fi
if [ "$IDN_LIBRARY" = "idn" ]
then
   IDNA_LIBS="-l$IDN_LIB"
fi

if [ -f config.unix ]; then
   rm -f config.unix
fi

if [ "$RUNWITH_SET" != yes ]; then
   RUNWITH="lua$LUA_SUFFIX"
fi

OPENSSL_LIBS="-l$OPENSSL_LIB"

if [ "$PRNG" = "OPENSSL" ]; then
   PRNGLIBS=$OPENSSL_LIBS
elif [ "$PRNG" = "ARC4RANDOM" ] && [ "$(uname)" = "Linux" ]; then
   PRNGLIBS="-lbsd"
fi

# Write config

echo "Writing configuration..."
echo

rm -f built
cat <<EOF > config.unix
# This file was automatically generated by the configure script.
# Run "./configure --help" for details.

LUA_VERSION=$LUA_VERSION
PREFIX=$PREFIX
SYSCONFDIR=$SYSCONFDIR
LIBDIR=$LIBDIR
DATADIR=$DATADIR
LUA_SUFFIX=$LUA_SUFFIX
LUA_DIR=$LUA_DIR
LUA_DIR_SET=$LUA_DIR_SET
LUA_INCDIR=$LUA_INCDIR
LUA_LIBDIR=$LUA_LIBDIR
LUA_BINDIR=$LUA_BINDIR
IDN_LIB=$IDN_LIB
IDNA_LIBS=$IDNA_LIBS
OPENSSL_LIBS=$OPENSSL_LIBS
CFLAGS=$CFLAGS
LDFLAGS=$LDFLAGS
CC=$CC
LD=$LD
RUNWITH=$RUNWITH
EXCERTS=$EXCERTS
RANDOM=$PRNG
RANDOM_LIBS=$PRNGLIBS


EOF

echo "Installation prefix: $PREFIX"
echo "$APP_NAME configuration directory: $SYSCONFDIR"
echo "Using Lua from: $LUA_DIR"

make clean > /dev/null 2> /dev/null

echo
echo "Done. You can now run 'make' to build."
echo