aboutsummaryrefslogtreecommitdiff
path: root/configure
blob: 49080543bf607ef8c85c1270c96fbc7f13315995 (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
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
#!/bin/sh
#
# Some things this script could/should do when finished
#
# * detect the compiler name (g++/c++/...)
# * detect whether its a GNU compiler or not (for compiler settings)
# * detect the host platform and base settings on this:
#   - #defines like -DUNIX and -DMACOSX
#   - required libs like -lmingw32
# * command line options to...
#   - override the host settings (for cross compiles
#   - select the desired backend (sdl, x11, ...)
#   - whether to do a debug build (with -g) or an optimized build (-O3 etc.)
# * detect whether the chosen backend is available (e.g. call sdl-config)
# * generate a config.mak file for use in makefiles
# * ....

# TODO: We should really use mktemp(1) to determine a random tmp file name.
# However, that tool might not be available everywhere.
TMPO=/tmp/scummvm-conf
TMPC=${TMPO}.cpp
TMPLOG=config.log

# use environment vars if set
CXXFLAGS="$CXXFLAGS $CPPFLAGS"

# default lib behaviour yes/no/auto
_vorbis=auto
_mad=auto
_alsa=auto
_zlib=auto
# default option behaviour yes/no
_build_scumm=yes
_build_simon=yes
_build_sky=yes
_build_bs1=yes
_build_bs2=yes
_build_queen=yes
_need_memalign=no
# more defaults
_backend=sdl
_ranlib=ranlib
_sdlconfig=sdl-config

cc_check() {
	echo >> "$TMPLOG"
	cat "$TMPC" >> "$TMPLOG"
	echo >> "$TMPLOG"
	echo "$CXX $TMPC -o $TMPO $@" >> "$TMPLOG"
	rm -f "$TMPO"
	( $CXX "$TMPC" -o "$TMPO" "$@" ) >> "$TMPLOG" 2>&1
	TMP="$?"
	echo >> "$TMPLOG"
	return "$TMP"
}

echocheck () {
	echo -n "Checking for $@... "
}

#
# Check whether the given command is a working C++ compiler
#
test_compiler ()
{
cat <<EOF >tmp_cxx_compiler.cpp
class Foo {
  int a;
};
int main(int argc, char **argv)
{
	Foo *a = new Foo();
	delete a;
	return 0;
}
EOF
eval "$1 -o tmp_cxx_compiler tmp_cxx_compiler.cpp 2> /dev/null" && eval "./tmp_cxx_compiler 2> /dev/null" && rm -f tmp_cxx_compiler tmp_cxx_compiler.cpp
}

#
# Determine sdl-config
#
# TODO: small bit of code to test sdl useability
find_sdlconfig()
{
	printf "Looking for sdl-config... "
	sdlconfigs="$_sdlconfig:sdl-config:sdl11-config:sdl12-config"
	_sdlconfig=
	
	IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
	
	for path_dir in $PATH; do
	  for sdlconfig in $sdlconfigs; do
	    if test -e "$path_dir/$sdlconfig" ; then
	      _sdlconfig=$sdlconfig
	      echo $_sdlconfig
	      break
	    fi
	  done
	done
	
	IFS="$ac_save_ifs"
	
	if test -z "$_sdlconfig"; then
	  echo "none found!"
	  exit 1
	fi
}

#
# Determine a data type with the given length
#
find_type_with_size ()
{
cat <<EOF >tmp_find_type_with_size.cpp
#include <stdio.h>
int main(int argc, char **argv)
{
	int size = argv[1][0] - '0';
	if (size == sizeof(int))
		printf("int\n");
	else if (size == sizeof(short))
		printf("short\n");
	else if (size == sizeof(char))
		printf("char\n");
	else if (size == sizeof(long))
		printf("long\n");
	else {
		printf("unknown\n");
		return 1;
	}

	return 0;
}
EOF
if eval "$CXX -o tmp_find_type_with_size tmp_find_type_with_size.cpp"; then
  datatype=`./tmp_find_type_with_size $1`
  if test "$datatype" = "unknown"; then
	echo "couldn't find data type with $1 bytes"
	exit 1
  fi
fi
rm -f tmp_find_type_with_size tmp_find_type_with_size.cpp
echo $datatype
}

#
# Greet user
#

echo "Running ScummVM configure..."
echo "Configure run on" `date` > $TMPLOG

#
# Check any parameters we received
#
# TODO:
# * Change --disable-mad / --enable-mad to the way it's done in autoconf:
#  That is, --without-mad / --with-mad=/prefix/to/mad. Useful for people
#  who have Mad/Vorbis/ALSA installed in a non-standard locations.
#

for parm in "$@" ; do
  if test "$parm" = "--help" || test "$parm" = "-help" || test "$parm" = "-h" ; then
    cat << EOF

Usage: $0 [OPTIONS]...

Configuration:
  -h, --help             display this help and exit
  --backend=BACKEND      backend to build (sdl, sdlgl, x11, morphos, dc, gp32) [sdl]

Optional Features:
  --disable-scumm          don't build the SCUMM engine
  --disable-simon          don't build the simon engine
  --disable-sky            don't build the Beneath a Steel Sky engine
  --disable-bs1            don't build the Broken Sword I engine
  --disable-bs2            don't build the Broken Sword II engine
  --disable-queen          don't build the Flight of the Amazon Queen engine

Optional Libraries:
  --with-alsa-prefix=PFX   Prefix where alsa is installed (optional)
  --disable-alsa           disable ALSA midi sound support [autodetect]
  --with-ogg-prefix=PFX    Prefix where libogg is installed (optional)
  --with-vorbis-prefix=PFX Prefix where libvorbis is installed (optional)
  --disable-vorbis         disable Ogg Vorbis support [autodetect]
  --with-mad-prefix=PFX    Prefix where libmad is installed (optional)
  --disable-mad            disable libmad (MP3) support [autodetect]
  --with-zlib-prefix=PFX    Prefix where zlib is installed (optional)
  --disable-zlib            disable zlib (compression) support [autodetect]
 
EOF
    exit 0
  fi
done # for parm in ...

DEBFLAGS="-g"

for ac_option in $@; do
    case "$ac_option" in
      --disable-scumm)		_build_scumm=no ;;
      --disable-simon)		_build_simon=no ;;
      --disable-sky)		_build_sky=no ;;
      --disable-bs1)		_build_bs1=no ;;
      --disable-bs2)		_build_bs2=no ;;
      --disable-queen)		_build_queen=no ;;
      --enable-alsa)		_alsa=yes	;;
      --disable-alsa)		_alsa=no	;;
      --enable-vorbis)		_vorbis=yes	;;
      --disable-vorbis)		_vorbis=no	;;
      --enable-mad)		_mad=yes	;;
      --disable-mad)		_mad=no		;;
      --enable-zlib)		_zlib=yes	;;
      --disable-zlib)		_zlib=no		;;
      --with-alsa-prefix=*)
	_prefix=`echo $ac_option | cut -d '=' -f 2`
	ALSA_CFLAGS="-I$_prefix/include"
	ALSA_LIBS="-L$_prefix/libs"
	;;
      --with-ogg-prefix=*)
	_prefix=`echo $ac_option | cut -d '=' -f 2`
	OGG_CFLAGS="-I$_prefix/include"
	OGG_LIBS="-L$_prefix/lib"
	;;
      --with-vorbis-prefix=*)
	_prefix=`echo $ac_option | cut -d '=' -f 2`
	VORBIS_CFLAGS="-I$_prefix/include"
	VORBIS_LIBS="-L$_prefix/lib"
	;;
      --with-mad-prefix=*)
	_prefix=`echo $ac_option | cut -d '=' -f 2`
	MAD_CFLAGS="-I$_prefix/include"
	MAD_LIBS="-L$_prefix/lib"
	;;
      --with-zlib-prefix=*)
	_prefix=`echo $ac_option | cut -d '=' -f 2`
	ZLIB_CFLAGS="-I$_prefix/include"
	ZLIB_LIBS="-L$_prefix/lib"
	;;
      --backend=*)
        _backend=`echo $ac_option | cut -d '=' -f 2`
	;;
      --disable-debug)
	DEBFLAGS=""
        ;;
      --enable-release)
	DEBFLAGS=""
        ;;
      *)
        echo "error: unrecognised option: $ac_option
Try \`$0 --help' for more information." >&2
	exit 1
        ;;
    esac;
done;

CXXFLAGS="$CXXFLAGS $DEBFLAGS"
#
# Determine the C++ compiler
#
printf "Looking for C++ compiler... "
compilers="$CXX g++ c++"
CXX=
for compiler in $compilers; do
  if test_compiler $compiler; then
    CXX=$compiler
    echo $CXX
    break
  fi
done
if test -z $CXX; then
    echo "none found!"
    exit 1
fi

#
# Determine the compiler version

echocheck "compiler version"

cxx_name=`( $cc -v ) 2>&1 | tail -1 | cut -d ' ' -f 1`
cxx_version=`( $CXX -dumpversion ) 2>&1`
if test "$?" -gt 0; then
	cxx_version="not found"
fi

case $cxx_version in
	2.95.[2-9]|2.95.[2-9][-.]*|3.[0-9]|3.[0-9].[0-9])
		_cxx_major=`echo $cxx_version | cut -d '.' -f 1`
		_cxx_minor=`echo $cxx_version | cut -d '.' -f 2`
		cxx_version="$cxx_version, ok"
		cxx_verc_fail=no
		;;
	# whacky beos version strings
	2.9-beos-991026*|2.9-beos-000224*)	
		_cxx_major=2
		_cxx_minor=95
		cxx_version="$cxx_version, ok"
		cxx_verc_fail=no
		;;
	'not found')
		cxx_verc_fail=yes
		;;
	*)
		cxx_version="$cxx_version, bad"
		cxx_verc_fail=yes
		;;
esac

echo "$cxx_version"

if test "$cxx_verc_fail" = yes ; then
	echo
	echo "The version of your compiler is not supported at this time"
	echo "Please ensure you are using GCC 2.95.x or GCC 3.x"
	exit 1	
fi

#
# Do CXXFLAGS now we know the compiler version
#

if test "$_cxx_major" -ge "3" ; then
	CXXFLAGS="$CXXFLAGS -ansi -W -Wno-unused-parameter"
	_make_def_HAVE_GCC3='HAVE_GCC3 = 1'
fi;

#
# Engine selection
#
if test "$_build_scumm" = no ; then
	_mak_scumm='DISABLE_SCUMM = 1'
else
	_mak_scumm='# DISABLE_SCUMM = 1'
fi

if test "$_build_simon" = no ; then
	_mak_simon='DISABLE_SIMON = 1'
else
	_mak_simon='# DISABLE_SIMON = 1'
fi

if test "$_build_sky" = no ; then
	_mak_sky='DISABLE_SKY = 1'
else
	_mak_sky='# DISABLE_SKY = 1'
fi

if test "$_build_bs1" = no ; then
	_mak_bs1='DISABLE_SWORD1 = 1'
else
	_mak_bs1='# DISABLE_SWORD1 = 1'
fi

if test "$_build_bs2" = no ; then
	_mak_bs2='DISABLE_SWORD2 = 1'
else
	_mak_bs2='# DISABLE_SWORD2 = 1'
fi

if test "$_build_queen" = no ; then
	_mak_queen='DISABLE_QUEEN = 1'
else
	_mak_queen='# DISABLE_QUEEN = 1'
fi

#
# Determine hosttype
#
# TODO - also add an command line option to override this?!?
# TODO - recognize more systems, e.g. *BSD
printf "Checking hosttype... "
hosttype=`uname -s`
echo $hosttype
case $hosttype in
	Linux | OpenBSD | FreeBSD | NetBSD | BSD/OS | SunOS | HP-UX | BeOS)
		DEFINES="$DEFINES -DUNIX"
		;;
	IRIX)
		DEFINES="$DEFINES -DUNIX"
		ranlib=ar -r
		;;
	Darwin)
		DEFINES="$DEFINES -DUNIX -DMACOSX"
		LIBS="$LIBS -framework QuickTime -framework AudioUnit"
		# TODO: Add proper check for Altivec support in the compiler...
		DEFINES="$DEFINES -DHAS_ALTIVEC"
		CXXFLAGS="$CXXFLAGS -faltivec"
		;;
	MINGW32*)
		echo "mingw32 not supported by configure script"
		echo "Try 'make -f Makefile.mingw'"
		exit 1
		;;
	CYGWIN*)
		echo "cygwin not supported by configure script"
		exit 1
		;;
	# given this is a shell script assume some type of unix
	*)
		echo "WARNING: could not establish system type, assuming unix like"
		DEFINES="$DEFINES -DUNIX"
		;;
esac

#
# Check for endianess
#
printf "Checking endianess... "
cat <<EOF >tmp_endianess_check.cpp
#include <stdio.h>
#include <stdlib.h>
int main(int argc, char **argv)
{
	unsigned int data = 0x01234567;
	char *ptr = (char *)&data;
	if (ptr[0] == 0x01 && ptr[1] == 0x23 && ptr[2] == 0x45 && ptr[3] == 0x67)
		printf("big\n");
	else if (ptr[3] == 0x01 && ptr[2] == 0x23 && ptr[1] == 0x45 && ptr[0] == 0x67)
		printf("little\n");
	else
		printf("unknown\n");
	return 0;
}
EOF
$CXX -o tmp_endianess_check tmp_endianess_check.cpp
endianess=`./tmp_endianess_check`
echo $endianess;
case $endianess in
	big)
		_def_endianess='#define SCUMM_BIG_ENDIAN'
		;;
	little)
		_def_endianess='#define SCUMM_LITTLE_ENDIAN'
		;;
	*)
		exit 1
		;;
esac
rm -f tmp_endianess_check tmp_endianess_check.cpp

#
# Check whether memory alignment is required
#
echo -n "Alignment required... "
cat > $TMPC << EOF
#include <stdlib.h>
#include <signal.h>
int main(int argc, char **argv)
{
	unsigned char test[8] = { 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88 };
	signal(SIGBUS, exit);
	signal(SIGABRT, exit);
	signal(SIGSEGV, exit);
	if (*((unsigned int *)(test + 1)) != 0x55443322 && *((unsigned int *)(test + 1)) != 0x22334455) {
		return 1;
	}
	return 0;
}
EOF
_need_memalign=yes
cc_check && $TMPO && _need_memalign=no
if test "$_need_memalign" = yes ; then
  _def_align='#define SCUMM_NEED_ALIGNMENT'
else
 _def_align='#undef SCUMM_NEED_ALIGNMENT'
fi
echo "$_need_memalign"

#
# Determine data type sizes
# TODO: proper error checking
#
printf "Type with 1 byte... "
type_1_byte=`find_type_with_size 1`
echo "$type_1_byte"

printf "Type with 2 bytes... "
type_2_byte=`find_type_with_size 2`
echo "$type_2_byte"

printf "Type with 4 bytes... "
type_4_byte=`find_type_with_size 4`
echo "$type_4_byte"


echocheck "Ogg Vorbis"
if test "$_vorbis" = auto ; then
  _vorbis=no
  cat > $TMPC << EOF
#include <vorbis/codec.h>
int main(void) { vorbis_packet_blocksize(0,0); return 0; }
EOF
  cc_check $LDFLAGS $CXXFLAGS $OGG_CFLAGS $OGG_LIBS $VORBIS_CFLAGS $VORBIS_LIBS \
  -lvorbis -logg -lm && _vorbis=yes
fi
if test "$_vorbis" = yes ; then
  _def_vorbis='#define USE_VORBIS'
  LIBS="$LIBS $OGG_LIBS $VORBIS_LIBS -lvorbisfile -lvorbis -logg"
  INCLUDES="$INCLUDES $OGG_CFLAGS $VORBIS_CFLAGS"
else
  _def_vorbis='#undef USE_VORBIS'
fi
echo "$_vorbis"

echocheck "MAD"
if test "$_mad" = auto ; then
  _mad=no
  cat > $TMPC << EOF
#include <mad.h>
int main(void) {return 0; }
EOF
  cc_check $LDFLAGS $CXXFLAGS $MAD_CFLAGS $MAD_LIBS -lmad && _mad=yes
fi
if test "$_mad" = yes ; then
  _def_mad='#define USE_MAD'
  LIBS="$LIBS $MAD_LIBS -lmad"
  INCLUDES="$INCLUDES $MAD_CFLAGS"
else
  _def_mad='#undef USE_MAD'
fi
echo "$_mad"

echocheck "ALSA 0.9"
if test "$_alsa" = auto ; then
  _alsa=no
  cat > $TMPC << EOF
#include <alsa/asoundlib.h>
int main(void) { return (!(SND_LIB_MAJOR==0 && SND_LIB_MINOR==9)); }
EOF
  cc_check $LDFLAGS $CXXFLAGS $ALSA_CFLAGS $ALSA_LIBS -lasound && _alsa=yes
fi
if test "$_alsa" = yes ; then
  _def_alsa='#define USE_ALSA'
  LIBS="$LIBS $ALSA_LIBS -lasound"
  INCLUDES="$INCLUDES $ALSA_CFLAGS"
else
  _def_alsa='#undef USE_ALSA'
fi
echo "$_alsa"

echocheck "zlib"
if test "$_zlib" = auto ; then
  _zlib=no
  cat > $TMPC << EOF
#include <string.h>
#include <zlib.h>
int main(void) { return strcmp(ZLIB_VERSION, zlibVersion()); }
EOF
  cc_check $LDFLAGS $CXXFLAGS $ZLIB_CFLAGS $ZLIB_LIBS -lz && _zlib=yes
fi
if test "$_zlib" = yes ; then
  _def_zlib='#define USE_ZLIB'
  LIBS="$LIBS $ZLIB_LIBS -lz"
  INCLUDES="$INCLUDES $ZLIB_CFLAGS"
else
  _def_zlib='#undef USE_ZLIB'
fi
echo "$_zlib"

rm -f $TMPC $TMPO


echo
echo "Engines:"
if test "$_build_scumm" = yes ; then
  echo "    SCUMM"
fi
if test "$_build_simon" = yes ; then
  echo "    Simon the Sorcerer"
fi
if test "$_build_sky" = yes ; then
  echo "    Beneath a Steel Sky"
fi
if test "$_build_bs1" = yes ; then
  echo "    Broken Sword I"
fi
if test "$_build_bs2" = yes ; then
  echo "    Broken Sword II"
fi
if test "$_build_queen" = yes ; then
  echo "    Flight of the Amazon Queen"
fi
echo

echo -n "Backend... "
echo "$_backend"

#
# Backend related stuff
#
case $_backend in
  sdl)
    find_sdlconfig
    INCLUDES="$INCLUDES `$_sdlconfig --cflags`"
    LIBS="$LIBS `$_sdlconfig --libs`"
    OBJS="$OBJS backends/sdl/sdl-common.o backends/sdl/sdl.o"
    MODULES="$MODULES backends/sdl"
    MODULE_DIRS="$MODULE_DIRS backends/sdl"
    ;;
  sdlgl)
    find_sdlconfig
    INCLUDES="$INCLUDES `$_sdlconfig --cflags`"
    LIBS="$LIBS `$_sdlconfig --libs` -lGL"
    OBJS="$OBJS backends/sdl/sdl-common.o backends/sdl/sdl_gl.o"
    MODULES="$MODULES backends/sdl"
    MODULE_DIRS="$MODULE_DIRS backends/sdl"
    ;;
  x11)
    INCLUDES="$INCLUDES -I/usr/X11R6/include"
    LIBS="$LIBS -lpthread -lXext -lX11"
    LDFLAGS="$LDFLAGS -L/usr/X11R6/lib -L/usr/local/lib"
    OBJS="$OBJS backends/x11/x11.o"
    DEFINES="$DEFINES -DX11_BACKEND"
    MODULES="$MODULES backends/x11"
    MODULE_DIRS="$MODULE_DIRS backends/x11"
    ;;
  *)
    echo "support for $_backend backend not implemented in configure script yet"
    exit 1
  ;;
esac

echo
echo "Creating config.h"
cat > config.h << EOF
/* This file is automatically generated by configure */
/* DO NOT EDIT MANUALLY */

#ifndef CONFIG_H
#define CONFIG_H

$_def_endianess
$_def_align

/* Data types */
typedef unsigned $type_1_byte byte;
typedef unsigned int uint;
typedef unsigned $type_1_byte uint8;
typedef unsigned $type_2_byte uint16;
typedef unsigned $type_4_byte uint32;
typedef signed $type_1_byte int8;
typedef signed $type_2_byte int16;
typedef signed $type_4_byte int32;

/* Libs */
$_def_vorbis
$_def_mad
$_def_alsa
$_def_zlib

#endif /* CONFIG_H */
EOF

echo "Creating config.mak"
cat > config.mak << EOF
# -------- Generated by configure -----------

CXX := $CXX
CXXFLAGS += $CXXFLAGS
LIBS += $LIBS
RANLIB := $_ranlib
BACKEND := $_backend
MODULES += $MODULES
MODULE_DIRS += $MODULE_DIRS

$_make_def_HAVE_GCC3
$_mak_scumm
$_mak_simon
$_mak_sky
$_mak_bs1
$_mak_bs2
$_mak_queen

INCLUDES += $INCLUDES
OBJS += $OBJS
DEFINES += $DEFINES
LDFLAGS += $LDFLAGS
EOF