aboutsummaryrefslogtreecommitdiff
path: root/configure
blob: c02721f9d754ea2ec71207ebe40ebce3aa434b30 (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
#!/bin/sh
# some elements originated from qemu configure
set -e

TMPC="/tmp/pcsx-conf-${RANDOM}-$$-${RANDOM}.c"
TMPO="/tmp/pcsx-conf-${RANDOM}-$$-${RANDOM}.o"
TMPB="/tmp/pcsx-conf-${RANDOM}-$$-${RANDOM}"
trap "rm -f $TMPC $TMPO $TMPB" EXIT INT QUIT TERM
rm -f config.log

compile_object()
{
  c="$CC $CFLAGS -c $TMPC -o $TMPO $@"
  echo $c >> config.log
  $c >> config.log 2>&1
}

compile_binary()
{
  c="$CC $CFLAGS $TMPC -o $TMPB $LDFLAGS $MAIN_LDLIBS $@"
  echo $c >> config.log
  $c >> config.log 2>&1
}

check_define()
{
  $CC -E -dD $CFLAGS include/arm_features.h | grep -q $1 || return 1
  return 0
}

# setting options to "yes" or "no" will make that choice default,
# "" means "autodetect".

platform_list="generic pandora maemo caanoo libretro"
platform="generic"
builtin_gpu_list="peops unai neon"
builtin_gpu=""
sound_driver_list="oss alsa pulseaudio sdl libretro"
sound_drivers=""
plugins="plugins/spunull/spunull.so \
plugins/dfxvideo/gpu_peops.so plugins/gpu_unai/gpu_unai.so"
ram_fixed="no"
drc_cache_base="no"
have_armv5=""
have_armv6=""
have_armv7=""
have_arm_neon=""
have_tslib=""
have_gles=""
have_c64x_dsp=""
enable_dynarec="yes"
need_sdl="no"
need_xlib="no"
need_libpicofe="yes"
need_warm="no"
CFLAGS_GLES=""
LDLIBS_GLES=""
# these are for known platforms
optimize_cortexa8="no"
optimize_arm926ej="no"

# hardcoded stuff
CC="${CC-${CROSS_COMPILE}gcc}"
CXX="${CXX-${CROSS_COMPILE}g++}"
AS="${AS-${CROSS_COMPILE}as}"
AR="${AS-${CROSS_COMPILE}ar}"
MAIN_LDLIBS="$LDLIBS -ldl -lm -lpthread"
config_mak="config.mak"

fail()
{
  echo "$@"
  exit 1
}

# call during arg parsing, so that cmd line can override platform defaults
set_platform()
{
  platform=$1
  case "$platform" in
  generic)
    ;;
  pandora)
    sound_drivers="oss alsa"
    ram_fixed="yes"
    drc_cache_base="yes"
    optimize_cortexa8="yes"
    have_arm_neon="yes"
    need_xlib="yes"
    ;;
  maemo)
    ram_fixed="yes"
    drc_cache_base="yes"
    optimize_cortexa8="yes"
    have_arm_neon="yes"
    ;;
  caanoo)
    sound_drivers="oss"
    ram_fixed="yes"
    drc_cache_base="yes"
    optimize_arm926ej="yes"
    need_warm="yes"
    ;;
  libretro)
    sound_drivers="libretro"
    need_libpicofe="no"
    ;;
  *)
    fail "unsupported platform: $platform"
    ;;
  esac
}

for opt do
  optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'` || true
  case "$opt" in
  --help|-h) show_help="yes"
  ;;
  --platform=*) set_platform "$optarg"
  ;;
  --gpu=*) builtin_gpu="$optarg"
  ;;
  --sound-drivers=*) sound_drivers="$optarg"
  ;;
  --enable-neon) have_arm_neon="yes"
  ;;
  --disable-neon) have_arm_neon="no"
  ;;
  --disable-dynarec) enable_dynarec="no"
  ;;
  *) echo "ERROR: unknown option $opt"; show_help="yes"
  ;;
  esac
done

if [ "$show_help" = "yes" ]; then
  echo "options:"
  echo "  --help                   print this message"
  echo "  --platform=NAME          target platform [$platform]"
  echo "                           available: $platform_list"
  echo "  --gpu=NAME               builtin gpu plugin [guessed]"
  echo "                           available: $builtin_gpu_list"
  echo "  --sound-drivers=LIST     sound output drivers [guessed]"
  echo "                           available: $sound_driver_list"
  echo "  --enable-neon"
  echo "  --disable-neon           enable/disable ARM NEON optimizations [guessed]"
  echo "  --disable-dynarec        disable dynamic recompiler"
  echo "                           (dynarec is only available and enabled on ARM)"
  echo "influential environment variables:"
  echo "  CROSS_COMPILE CC CXX AS AR CFLAGS ASFLAGS LDFLAGS LDLIBS"
  exit 1
fi

# validate selections
if [ "x$builtin_gpu" != "x" ]; then
  if ! echo $builtin_gpu_list | grep -q "\<$builtin_gpu\>"; then
    fail "unsupported builtin gpu plugin: $builtin_gpu"
  fi
fi

if [ "x$sound_drivers" != "x" ]; then
  for d in $sound_drivers; do
    if ! echo $sound_driver_list | grep -q "\<$d\>"; then
      fail "unsupported sound driver: $sound_driver"
    fi
  done
fi

if [ "$need_libpicofe" = "yes" ]; then
  if ! test -f "frontend/libpicofe/README"; then
    fail "libpicofe is missing, please run 'git submodule init && git submodule update'"
  fi
fi

if [ "$need_warm" = "yes" ]; then
  if ! test -f "frontend/warm/README"; then
    fail "wARM is missing, please run 'git submodule init && git submodule update'"
  fi
fi

# basic compiler test
cat > $TMPC <<EOF
#include <zlib.h>
int main(void) { return 0; }
EOF
if ! compile_binary; then
  fail "compiler test failed, please check config.log"
fi

if [ -z "$ARCH" ]; then
  ARCH=`$CC -dumpmachine | awk -F '-' '{print $1}'`
fi

case "$ARCH" in
arm*)
  # ARM stuff
  ARCH="arm"

  if [ "$optimize_cortexa8" = "yes" ]; then
    CFLAGS="$CFLAGS -mcpu=cortex-a8 -mtune=cortex-a8"
    ASFLAGS="$ASFLAGS -mcpu=cortex-a8"
  fi
  if [ "$optimize_arm926ej" = "yes" ]; then
    CFLAGS="$CFLAGS -mcpu=arm926ej-s -mtune=arm926ej-s"
    ASFLAGS="$ASFLAGS -mcpu=arm926ej-s -mfloat-abi=softfp"
  fi

  if [ "x$have_arm_neon" = "x" ]; then
    # detect NEON from user-supplied cflags to enable asm code
    have_arm_neon=`check_define __ARM_NEON__ && echo yes` || true
  fi
  if [ "x$have_armv7" = "x" ]; then
    if check_define HAVE_ARMV7; then
      have_armv7="yes"
      have_armv6="yes"
      have_armv5="yes"
    fi
  fi
  if [ "x$have_armv6" = "x" ]; then
    if check_define HAVE_ARMV6; then
      have_armv6="yes"
      have_armv5="yes"
    fi
  fi
  if [ "x$have_armv5" = "x" ]; then
    have_armv5=`check_define HAVE_ARMV5 && echo yes` || true
  fi

  if [ "x$builtin_gpu" = "x" ]; then
    if [ "$have_arm_neon" = "yes" ]; then
      builtin_gpu="neon"
    elif [ "$have_armv7" != "yes" ]; then
      # pre-ARMv7 hardware is usually not fast enough for peops
      builtin_gpu="unai"
    else
      builtin_gpu="peops"
    fi
  fi

  # automatically set mfpu and mfloat-abi if they are not set
  if [ "$have_arm_neon" = "yes" ]; then
    fpu="neon"
  elif [ "$have_armv6" = "yes" ]; then
    fpu="vfp"
  fi
  if [ "x$fpu" != "x" ]; then
    echo "$CFLAGS" | grep -q -- '-mfpu=' || CFLAGS="$CFLAGS -mfpu=$fpu"
    echo "$ASFLAGS" | grep -q -- '-mfpu=' || ASFLAGS="$ASFLAGS -mfpu=$fpu"
    floatabi_set_by_gcc=`$CC -v 2>&1 | grep -q -- --with-float= && echo yes` || true
    if [ "$floatabi_set_by_gcc" != "yes" ]; then
      echo "$CFLAGS" | grep -q -- '-mfloat-abi=' || CFLAGS="$CFLAGS -mfloat-abi=softfp"
      echo "$ASFLAGS" | grep -q -- '-mfloat-abi=' || ASFLAGS="$ASFLAGS -mfloat-abi=softfp"
    fi
  fi

  # must disable thumb as recompiler can't handle it
  if check_define __thumb__; then
    CFLAGS="$CFLAGS -marm"
  fi

  # warn about common mistakes
  if [ "$have_armv5" != "yes" ]; then
    if ! echo "$CFLAGS" | grep -q -- '-mcpu=\|-march='; then
      echo "Warning: compiling for ARMv4, is that really what you want?"
      echo "You probably should specify -mcpu= or -march= like this:"
      echo "  CFLAGS=-march=armv6 ./configure ..."
    fi
  fi
  if [ "$have_arm_neon" = "yes" -a "$have_armv7" != "yes" ]; then
    echo "Warning: compiling for NEON, but not ARMv7?"
    echo "You probably want to specify -mcpu= or -march= like this:"
    echo "  CFLAGS=-march=armv7-a ./configure ..."
  fi
  ;;
*)
  # dynarec only available on ARM
  enable_dynarec="no"
  ;;
esac

if [ "x$builtin_gpu" = "x" ]; then
  builtin_gpu="peops"
fi

# supposedly we can avoid -fPIC on armv5 for slightly better performace?
if [ "$ARCH" != "arm" -o "$have_armv6" = "yes" ]; then
  PLUGIN_CFLAGS="$PLUGIN_CFLAGS -fPIC"
fi

if [ "$ram_fixed" = "yes" ]; then
  CFLAGS="$CFLAGS -DRAM_FIXED"
fi

case "$platform" in
generic)
  need_sdl="yes"
  ;;
maemo)
  CFLAGS="$CFLAGS -DMAEMO -DMAEMO_CHANGES"
  ;;
libretro)
  CFLAGS="$CFLAGS -fPIC"
  MAIN_LDFLAGS="$MAIN_LDFLAGS -shared -Wl,--no-undefined"
  ;;
esac

# header/library presence tests
check_zlib()
{
  cat > $TMPC <<EOF
  #include <zlib.h>
  int main(void) { uncompress(0, 0, 0, 0); }
EOF
  compile_binary
}

check_libpng()
{
  cat > $TMPC <<EOF
  #include <png.h>
  void main() { png_init_io(0, 0); }
EOF
  compile_binary
}

check_oss()
{
  cat > $TMPC <<EOF
  #include <sys/soundcard.h>
  #include <sys/ioctl.h>
  void main() { int a=0; ioctl(0, SNDCTL_DSP_SETFMT, &a); }
EOF
  compile_binary
}

check_alsa()
{
  cat > $TMPC <<EOF
  #include <alsa/asoundlib.h>
  void main() { snd_pcm_open(0, 0, 0, 0); }
EOF
  compile_binary "$@"
}

check_pulseaudio()
{
  cat > $TMPC <<EOF
  #include <pulse/pulseaudio.h>
  void main() { pa_threaded_mainloop_new(); }
EOF
  compile_binary "$@"
}

check_sdl()
{
  cat > $TMPC <<EOF
  #include <SDL.h>
  void main() { SDL_OpenAudio(0, 0); }
EOF
  compile_binary "$@"
}

check_xlib_headers()
{
  cat > $TMPC <<EOF
  #include <X11/Xlib.h>
  void *f() { return XOpenDisplay(0); }
EOF
  compile_object "$@"
}

# see if we have c64_tools for TI C64x DSP
check_c64_tools()
{
  cat > $TMPC <<EOF
  #include <inc_libc64_mini.h>
  int f() { return dsp_open(); }
EOF
  compile_object "$@"
}

MAIN_LDLIBS="$MAIN_LDLIBS -lz"
check_zlib || fail "please install zlib (libz-dev)"

MAIN_LDLIBS="-lpng $MAIN_LDLIBS"
check_libpng || fail "please install libpng (libpng-dev)"

# find what audio support we can compile
if [ "x$sound_drivers" = "x" ]; then
  if check_oss; then sound_drivers="$sound_drivers oss"; fi
  if check_alsa -lasound; then
    sound_drivers="$sound_drivers alsa"
    MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
  fi
  if check_pulseaudio -lpulse; then
    sound_drivers="$sound_drivers pulseaudio"
    MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
  fi
  if [ "$need_sdl" = "yes" ] || check_sdl `sdl-config --cflags --libs`; then
    sound_drivers="$sound_drivers sdl"
    need_sdl="yes"
  fi
else
  if echo $sound_drivers | grep -q "\<oss\>"; then
    check_oss || fail "oss support is missing"
  fi
  if echo $sound_drivers | grep -q "\<alsa\>"; then
    MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
    check_alsa || fail "please install libasound2-dev"
  fi
  if echo $sound_drivers | grep -q "\<pulseaudio\>"; then
    MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
    check_pulseaudio || fail "pulseaudio support is missing"
  fi
fi

if [ "$need_sdl" = "yes" ]; then
  which sdl-config > /dev/null || \
    fail "sdl-config is missing; please install libsdl (libsdl1.2-dev)"
  CFLAGS="$CFLAGS `sdl-config --cflags`"
  MAIN_LDLIBS="`sdl-config --libs` $MAIN_LDLIBS"
  check_sdl || fail "please install libsdl (libsdl1.2-dev)"
fi

# check for tslib (only headers needed)
if [ "x$have_tslib" = "x" ]; then
  cat > $TMPC <<EOF
  #include <tslib.h>
  void test(struct ts_sample sample) {}
EOF
  if compile_object; then
    have_tslib="yes"
  else
    have_tslib="no"
  fi
fi

# check for VideoCore stuff for Raspberry Pi
if [ -d /opt/vc/include -a -d /opt/vc/lib ]; then
  CFLAGS_GLES="$CFLAGS_GLES -I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
  LDLIBS_GLES="$LDLIBS_GLES -L/opt/vc/lib"
  need_xlib="yes"
fi

# check for GLES headers
cat > $TMPC <<EOF
#include <GLES/gl.h>
#include <EGL/egl.h>
int main(void) {
  return (int)eglGetDisplay( (EGLNativeDisplayType)0 );
}
EOF
if compile_binary $CFLAGS_GLES -lEGL -lGLES_CM $LDLIBS_GLES; then
  have_gles="yes"
  LDLIBS_GLES="-lEGL -lGLES_CM $LDLIBS_GLES"
elif compile_binary $CFLAGS_GLES -lEGL -lGLESv1_CM $LDLIBS_GLES; then
  have_gles="yes"
  LDLIBS_GLES="-lEGL -lGLESv1_CM $LDLIBS_GLES"
fi

if check_c64_tools; then
  have_c64x_dsp="yes"
fi

if [ "$have_gles" = "yes" ]; then
  plugins="$plugins plugins/gpu-gles/gpu_gles.so"
fi
if [ "$have_arm_neon" = "yes" -a "$builtin_gpu" != "neon" ]; then
  plugins="$plugins plugins/gpu_neon/gpu_neon.so"
fi

# check for xlib (only headers needed)
if [ "x$need_xlib" = "xyes" ]; then
  check_xlib_headers || fail "please install libx11-dev"
fi

cat > $TMPC <<EOF
void test(void *f, void *d) { fread(d, 1, 1, f); }
EOF
if compile_object -Wno-unused-result; then
  CFLAGS="$CFLAGS -Wno-unused-result"
fi

# short plugin list for display
for p in $plugins; do
  p1=`basename $p`
  plugins_short="$p1 $plugins_short"
done

# set things that failed to autodetect to "no"
test "x$have_armv6" != "x" || have_armv6="no"
test "x$have_armv7" != "x" || have_armv7="no"
test "x$have_arm_neon" != "x" || have_arm_neon="no"
test "x$have_gles" != "x" || have_gles="no"
test "x$have_c64x_dsp" != "x" || have_c64x_dsp="no"

echo "architecture        $ARCH"
echo "platform            $platform"
echo "built-in GPU        $builtin_gpu"
echo "sound drivers       $sound_drivers"
echo "plugins             $plugins_short"
echo "C compiler          $CC"
echo "C compiler flags    $CFLAGS"
echo "libraries           $MAIN_LDLIBS"
echo "linker flags        $LDFLAGS$MAIN_LDFLAGS"
echo "enable dynarec      $enable_dynarec"
if [ "$ARCH" = "arm" ]; then
  echo "ARMv7 optimizations $have_armv7"
  echo "enable ARM NEON     $have_arm_neon"
  echo "TI C64x DSP support $have_c64x_dsp"
fi
echo "tslib support       $have_tslib"
if [ "$platform" = "generic" ]; then
  echo "OpenGL ES output    $have_gles"
fi

echo "# Automatically generated by configure" > $config_mak
printf "# Configured with:" >> $config_mak
printf " '%s'" "$0" "$@" >> $config_mak
echo >> $config_mak

echo "CC = $CC" >> $config_mak
echo "CXX = $CXX" >> $config_mak
echo "AS = $AS" >> $config_mak
echo "CFLAGS += $CFLAGS" >> $config_mak
echo "ASFLAGS += $ASFLAGS" >> $config_mak
echo "LDFLAGS += $LDFLAGS" >> $config_mak
echo "MAIN_LDFLAGS += $MAIN_LDFLAGS" >> $config_mak
echo "MAIN_LDLIBS += $MAIN_LDLIBS" >> $config_mak
echo "PLUGIN_CFLAGS += $PLUGIN_CFLAGS" >> $config_mak
echo >> $config_mak

if [ "$platform" = "libretro" ]; then
  echo "TARGET = libretro.so" >> $config_mak
fi
echo "ARCH = $ARCH" >> $config_mak
echo "PLATFORM = $platform" >> $config_mak
echo "BUILTIN_GPU = $builtin_gpu" >> $config_mak
echo "SOUND_DRIVERS = $sound_drivers" >> $config_mak
echo "PLUGINS = $plugins" >> $config_mak
if [ "$have_arm_neon" = "yes" ]; then
  echo "HAVE_NEON = 1" >> $config_mak
fi
if [ "$have_tslib" = "yes" ]; then
  echo "HAVE_TSLIB = 1" >> $config_mak
fi
if [ "$have_gles" = "yes" ]; then
  echo "HAVE_GLES = 1" >> $config_mak
  echo "CFLAGS_GLES = $CFLAGS_GLES" >> $config_mak
  echo "LDLIBS_GLES = $LDLIBS_GLES" >> $config_mak
fi
if [ "$enable_dynarec" = "yes" ]; then
  echo "USE_DYNAREC = 1" >> $config_mak
fi
if [ "$drc_cache_base" = "yes" ]; then
  echo "DRC_CACHE_BASE = 1" >> $config_mak
fi
if [ "$have_c64x_dsp" = "yes" ]; then
  echo "HAVE_C64_TOOLS = 1" >> $config_mak
fi

# use pandora's skin (for now)
test -e skin || ln -s frontend/pandora/skin skin

# vim:shiftwidth=2:expandtab