drc: get rid of RAM_FIXED, revive ROREG
[pcsx_rearmed.git] / configure
1 #!/bin/sh
2 # some elements originated from qemu configure
3 set -e
4
5 TMPC="/tmp/pcsx-conf-${RANDOM}-$$-${RANDOM}.c"
6 TMPO="/tmp/pcsx-conf-${RANDOM}-$$-${RANDOM}.o"
7 TMPB="/tmp/pcsx-conf-${RANDOM}-$$-${RANDOM}"
8 trap "rm -f $TMPC $TMPO $TMPB" EXIT INT QUIT TERM
9 rm -f config.log
10
11 compile_object()
12 {
13   c="$CC $CFLAGS -c $TMPC -o $TMPO $@"
14   echo $c >> config.log
15   $c >> config.log 2>&1
16 }
17
18 compile_binary()
19 {
20   c="$CC $CFLAGS $TMPC -o $TMPB $LDFLAGS $MAIN_LDLIBS $@"
21   echo $c >> config.log
22   $c >> config.log 2>&1
23 }
24
25 check_define()
26 {
27   $CC -E -dD $CFLAGS include/arm_features.h | grep -q "$1" || return 1
28   return 0
29 }
30
31 check_define_val()
32 {
33   $CC -E -dD $CFLAGS include/arm_features.h | grep "$1" | awk '{print $3}'
34   return 0
35 }
36
37 # setting options to "yes" or "no" will make that choice default,
38 # "" means "autodetect".
39
40 platform_list="generic pandora maemo caanoo libretro"
41 platform="generic"
42 builtin_gpu_list="peops unai neon senquack"
43 builtin_gpu=""
44 sound_driver_list="oss alsa pulseaudio sdl libretro"
45 sound_drivers=""
46 plugins="plugins/spunull/spunull.so \
47 plugins/dfxvideo/gpu_peops.so plugins/gpu_unai/gpu_unai.so plugins/gpu_senquack/gpu_senquack.so"
48 drc_cache_base="no"
49 have_armv5=""
50 have_armv6=""
51 have_armv7=""
52 have_arm_neon=""
53 have_tslib=""
54 have_gles=""
55 have_c64x_dsp=""
56 enable_dynarec="yes"
57 need_sdl="no"
58 need_xlib="no"
59 need_libpicofe="yes"
60 need_warm="no"
61 CFLAGS_GLES=""
62 LDLIBS_GLES=""
63 # these are for known platforms
64 optimize_cortexa8="no"
65 optimize_arm926ej="no"
66
67 # hardcoded stuff
68 CC="${CC-${CROSS_COMPILE}gcc}"
69 CXX="${CXX-${CROSS_COMPILE}g++}"
70 AS="${AS-${CROSS_COMPILE}as}"
71 AR="${AS-${CROSS_COMPILE}ar}"
72 MAIN_LDLIBS="$LDLIBS -ldl -lm -lpthread"
73 config_mak="config.mak"
74
75 fail()
76 {
77   echo "$@"
78   if test -n "$DUMP_CONFIG_LOG"; then cat config.log; fi
79   exit 1
80 }
81
82 # call during arg parsing, so that cmd line can override platform defaults
83 set_platform()
84 {
85   platform=$1
86   case "$platform" in
87   generic)
88     ;;
89   pandora)
90     sound_drivers="oss alsa"
91     drc_cache_base="yes"
92     optimize_cortexa8="yes"
93     have_arm_neon="yes"
94     need_xlib="yes"
95     ;;
96   maemo)
97     drc_cache_base="yes"
98     optimize_cortexa8="yes"
99     have_arm_neon="yes"
100     ;;
101   caanoo)
102     sound_drivers="oss"
103     drc_cache_base="yes"
104     optimize_arm926ej="yes"
105     need_warm="yes"
106     ;;
107   libretro)
108     sound_drivers="libretro"
109     need_libpicofe="no"
110     ;;
111   *)
112     fail "unsupported platform: $platform"
113     ;;
114   esac
115 }
116
117 for opt do
118   optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'` || true
119   case "$opt" in
120   --help|-h) show_help="yes"
121   ;;
122   --platform=*) set_platform "$optarg"
123   ;;
124   --gpu=*) builtin_gpu="$optarg"
125   ;;
126   --sound-drivers=*) sound_drivers="$optarg"
127   ;;
128   --enable-neon) have_arm_neon="yes"
129   ;;
130   --disable-neon) have_arm_neon="no"
131   ;;
132   --disable-dynarec) enable_dynarec="no"
133   ;;
134   *) echo "ERROR: unknown option $opt"; show_help="yes"
135   ;;
136   esac
137 done
138
139 if [ "$show_help" = "yes" ]; then
140   echo "options:"
141   echo "  --help                   print this message"
142   echo "  --platform=NAME          target platform [$platform]"
143   echo "                           available: $platform_list"
144   echo "  --gpu=NAME               builtin gpu plugin [guessed]"
145   echo "                           available: $builtin_gpu_list"
146   echo "  --sound-drivers=LIST     sound output drivers [guessed]"
147   echo "                           available: $sound_driver_list"
148   echo "  --enable-neon"
149   echo "  --disable-neon           enable/disable ARM NEON optimizations [guessed]"
150   echo "  --disable-dynarec        disable dynamic recompiler"
151   echo "                           (dynarec is only available and enabled on ARM)"
152   echo "  --disable-icache-emu     Disables the instruction cache emulation"
153   echo "influential environment variables:"
154   echo "  CROSS_COMPILE CC CXX AS AR CFLAGS ASFLAGS LDFLAGS LDLIBS"
155   exit 1
156 fi
157
158 # validate selections
159 if [ "x$builtin_gpu" != "x" ]; then
160   if ! echo $builtin_gpu_list | grep -q "\<$builtin_gpu\>"; then
161     fail "unsupported builtin gpu plugin: $builtin_gpu"
162   fi
163 fi
164
165 if [ "x$sound_drivers" != "x" ]; then
166   for d in $sound_drivers; do
167     if ! echo $sound_driver_list | grep -q "\<$d\>"; then
168       fail "unsupported sound driver: $sound_driver"
169     fi
170   done
171 fi
172
173 if [ "$need_libpicofe" = "yes" ]; then
174   if ! test -f "frontend/libpicofe/README"; then
175     fail "libpicofe is missing, please run 'git submodule init && git submodule update'"
176   fi
177 fi
178
179 if [ "$need_warm" = "yes" ]; then
180   if ! test -f "frontend/warm/README"; then
181     fail "wARM is missing, please run 'git submodule init && git submodule update'"
182   fi
183 fi
184
185 # basic compiler test
186 cat > $TMPC <<EOF
187 #include <zlib.h>
188 int main(void) { return 0; }
189 EOF
190 if ! compile_binary; then
191   fail "compiler test failed, please check config.log"
192 fi
193
194 if [ -z "$ARCH" ]; then
195   ARCH=`$CC -dumpmachine | awk -F '-' '{print $1}'`
196 fi
197
198 case "$ARCH" in
199 arm*)
200   # ARM stuff
201   ARCH="arm"
202
203   if [ "$optimize_cortexa8" = "yes" ]; then
204     CFLAGS="$CFLAGS -mcpu=cortex-a8 -mtune=cortex-a8"
205     ASFLAGS="$ASFLAGS -mcpu=cortex-a8"
206   fi
207   if [ "$optimize_arm926ej" = "yes" ]; then
208     CFLAGS="$CFLAGS -mcpu=arm926ej-s -mtune=arm926ej-s"
209     ASFLAGS="$ASFLAGS -mcpu=arm926ej-s -mfloat-abi=softfp"
210   fi
211
212   if [ "x$have_arm_neon" = "x" ]; then
213     # detect NEON from user-supplied cflags to enable asm code
214     have_arm_neon=`check_define __ARM_NEON__ && echo yes` || true
215   fi
216   if [ "x$have_armv7" = "x" ]; then
217     if check_define HAVE_ARMV7; then
218       have_armv7="yes"
219       have_armv6="yes"
220       have_armv5="yes"
221     fi
222   fi
223   if [ "x$have_armv6" = "x" ]; then
224     if check_define HAVE_ARMV6; then
225       have_armv6="yes"
226       have_armv5="yes"
227     fi
228   fi
229   if [ "x$have_armv5" = "x" ]; then
230     have_armv5=`check_define HAVE_ARMV5 && echo yes` || true
231   fi
232
233   if [ "x$builtin_gpu" = "x" ]; then
234     if [ "$have_arm_neon" = "yes" ]; then
235       builtin_gpu="neon"
236     elif [ "$have_armv7" != "yes" ]; then
237       # pre-ARMv7 hardware is usually not fast enough for peops
238       builtin_gpu="unai"
239     else
240       builtin_gpu="peops"
241     fi
242   fi
243
244   # automatically set mfpu and mfloat-abi if they are not set
245   if [ "$have_arm_neon" = "yes" ]; then
246     fpu="neon"
247   elif [ "$have_armv6" = "yes" ]; then
248     fpu="vfp"
249   fi
250   if [ "x$fpu" != "x" ]; then
251     echo "$CFLAGS" | grep -q -- '-mfpu=' || CFLAGS="$CFLAGS -mfpu=$fpu"
252     echo "$ASFLAGS" | grep -q -- '-mfpu=' || ASFLAGS="$ASFLAGS -mfpu=$fpu"
253     floatabi_set_by_gcc=`$CC -v 2>&1 | grep -q -- --with-float= && echo yes` || true
254     if [ "$floatabi_set_by_gcc" != "yes" ]; then
255       echo "$CFLAGS" | grep -q -- '-mfloat-abi=' || CFLAGS="$CFLAGS -mfloat-abi=softfp"
256       echo "$ASFLAGS" | grep -q -- '-mfloat-abi=' || ASFLAGS="$ASFLAGS -mfloat-abi=softfp"
257     fi
258   fi
259
260   # must disable thumb as recompiler can't handle it
261   if check_define __thumb__; then
262     CFLAGS="$CFLAGS -marm"
263   fi
264
265   # warn about common mistakes
266   if [ "$have_armv5" != "yes" ]; then
267     if ! echo "$CFLAGS" | grep -q -- '-mcpu=\|-march='; then
268       echo "Warning: compiling for ARMv4, is that really what you want?"
269       echo "You probably should specify -mcpu= or -march= like this:"
270       echo "  CFLAGS=-march=armv6 ./configure ..."
271     fi
272   fi
273   if [ "$have_arm_neon" = "yes" -a "$have_armv7" != "yes" ]; then
274     echo "Warning: compiling for NEON, but not ARMv7?"
275     echo "You probably want to specify -mcpu= or -march= like this:"
276     echo "  CFLAGS=-march=armv7-a ./configure ..."
277   fi
278   ;;
279 aarch64)
280   ;;
281 *)
282   # dynarec only available on ARM
283   enable_dynarec="no"
284   ;;
285 esac
286
287 if [ "x$builtin_gpu" = "x" ]; then
288   builtin_gpu="peops"
289 fi
290
291 # supposedly we can avoid -fPIC on armv5 for slightly better performace?
292 if [ "$ARCH" != "arm" -o "$have_armv6" = "yes" ]; then
293   PLUGIN_CFLAGS="$PLUGIN_CFLAGS -fPIC"
294 fi
295
296 case "$platform" in
297 generic)
298   need_sdl="yes"
299   ;;
300 maemo)
301   CFLAGS="$CFLAGS -DMAEMO -DMAEMO_CHANGES"
302   ;;
303 libretro)
304   CFLAGS="$CFLAGS -fPIC"
305   MAIN_LDFLAGS="$MAIN_LDFLAGS -shared -Wl,--no-undefined"
306   ;;
307 esac
308
309 # header/library presence tests
310 check_zlib()
311 {
312   cat > $TMPC <<EOF
313   #include <zlib.h>
314   int main(void) { uncompress(0, 0, 0, 0); }
315 EOF
316   compile_binary
317 }
318
319 check_libpng()
320 {
321   cat > $TMPC <<EOF
322   #include <png.h>
323   void main() { png_init_io(0, 0); }
324 EOF
325   compile_binary
326 }
327
328 check_oss()
329 {
330   cat > $TMPC <<EOF
331   #include <sys/soundcard.h>
332   #include <sys/ioctl.h>
333   void main() { int a=0; ioctl(0, SNDCTL_DSP_SETFMT, &a); }
334 EOF
335   compile_binary
336 }
337
338 check_alsa()
339 {
340   cat > $TMPC <<EOF
341   #include <alsa/asoundlib.h>
342   void main() { snd_pcm_open(0, 0, 0, 0); }
343 EOF
344   compile_binary "$@"
345 }
346
347 check_pulseaudio()
348 {
349   cat > $TMPC <<EOF
350   #include <pulse/pulseaudio.h>
351   void main() { pa_threaded_mainloop_new(); }
352 EOF
353   compile_binary "$@"
354 }
355
356 check_sdl()
357 {
358   cat > $TMPC <<EOF
359   #include <SDL.h>
360   void main() { SDL_OpenAudio(0, 0); }
361 EOF
362   compile_binary "$@"
363 }
364
365 check_xlib_headers()
366 {
367   cat > $TMPC <<EOF
368   #include <X11/Xlib.h>
369   void *f() { return XOpenDisplay(0); }
370 EOF
371   compile_object "$@"
372 }
373
374 # see if we have c64_tools for TI C64x DSP
375 check_c64_tools()
376 {
377   cat > $TMPC <<EOF
378   #include <inc_libc64_mini.h>
379   int f() { return dsp_open(); }
380 EOF
381   compile_object "$@"
382 }
383
384 MAIN_LDLIBS="$MAIN_LDLIBS -lz"
385 check_zlib || fail "please install zlib (libz-dev)"
386
387 MAIN_LDLIBS="-lpng $MAIN_LDLIBS"
388 check_libpng || fail "please install libpng (libpng-dev)"
389
390 # find what audio support we can compile
391 if [ "x$sound_drivers" = "x" ]; then
392   if check_oss; then sound_drivers="$sound_drivers oss"; fi
393   if check_alsa -lasound; then
394     sound_drivers="$sound_drivers alsa"
395     MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
396   fi
397   if check_pulseaudio -lpulse; then
398     sound_drivers="$sound_drivers pulseaudio"
399     MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
400   fi
401   if [ "$need_sdl" = "yes" ] || check_sdl `sdl-config --cflags --libs`; then
402     sound_drivers="$sound_drivers sdl"
403     need_sdl="yes"
404   fi
405 else
406   if echo $sound_drivers | grep -q "\<oss\>"; then
407     check_oss || fail "oss support is missing"
408   fi
409   if echo $sound_drivers | grep -q "\<alsa\>"; then
410     MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
411     check_alsa || fail "please install libasound2-dev"
412   fi
413   if echo $sound_drivers | grep -q "\<pulseaudio\>"; then
414     MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
415     check_pulseaudio || fail "pulseaudio support is missing"
416   fi
417 fi
418
419 if [ "$need_sdl" = "yes" ]; then
420   which sdl-config > /dev/null || \
421     fail "sdl-config is missing; please install libsdl (libsdl1.2-dev)"
422   CFLAGS="$CFLAGS `sdl-config --cflags`"
423   MAIN_LDLIBS="`sdl-config --libs` $MAIN_LDLIBS"
424   check_sdl || fail "please install libsdl (libsdl1.2-dev)"
425 fi
426
427 # check for tslib (only headers needed)
428 if [ "x$have_tslib" = "x" ]; then
429   cat > $TMPC <<EOF
430   #include <tslib.h>
431   void test(struct ts_sample sample) {}
432 EOF
433   if compile_object; then
434     have_tslib="yes"
435   else
436     have_tslib="no"
437   fi
438 fi
439
440 # check for VideoCore stuff for Raspberry Pi
441 if [ -d /opt/vc/include -a -d /opt/vc/lib -a "$VIDEOCORE" != "no" ]; then
442   CFLAGS_GLES="$CFLAGS_GLES -I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
443   LDLIBS_GLES="$LDLIBS_GLES -L/opt/vc/lib"
444   if [ -f /opt/vc/lib/libbcm_host.so ]; then
445     LDLIBS_GLES="$LDLIBS_GLES -lbcm_host"
446   fi
447   need_xlib="yes"
448   VIDEOCORE="yes"
449 fi
450
451 # check for GLES headers
452 cat > $TMPC <<EOF
453 #include <GLES/gl.h>
454 #include <EGL/egl.h>
455 int main(void) {
456   return (int)eglGetDisplay( (EGLNativeDisplayType)0 );
457 }
458 EOF
459 if [ "$VIDEOCORE" = "yes" ] && compile_binary $CFLAGS_GLES -lbrcmEGL -lbrcmGLESv2 $LDLIBS_GLES; then
460   have_gles="yes"
461   LDLIBS_GLES="-lbrcmEGL -lbrcmGLESv2 $LDLIBS_GLES"
462 elif compile_binary $CFLAGS_GLES -lEGL -lGLES_CM $LDLIBS_GLES; then
463   have_gles="yes"
464   LDLIBS_GLES="-lEGL -lGLES_CM $LDLIBS_GLES"
465 elif compile_binary $CFLAGS_GLES -lEGL -lGLESv1_CM $LDLIBS_GLES; then
466   have_gles="yes"
467   LDLIBS_GLES="-lEGL -lGLESv1_CM $LDLIBS_GLES"
468 fi
469
470 if check_c64_tools; then
471   have_c64x_dsp="yes"
472 fi
473
474 if [ "$have_gles" = "yes" ]; then
475   plugins="$plugins plugins/gpu-gles/gpu_gles.so"
476 fi
477 if [ "$have_arm_neon" = "yes" -a "$builtin_gpu" != "neon" ]; then
478   plugins="$plugins plugins/gpu_neon/gpu_neon.so"
479 fi
480
481 # check for xlib (only headers needed)
482 if [ "x$need_xlib" = "xyes" ]; then
483   check_xlib_headers || fail "please install libx11-dev"
484 fi
485
486 sizeof_long=`check_define_val __SIZEOF_LONG__`
487 if [ "x$sizeof_long" = "x4" ]; then
488   CFLAGS="$CFLAGS -D_FILE_OFFSET_BITS=64"
489 fi
490
491 cat > $TMPC <<EOF
492 void test(void *f, void *d) { fread(d, 1, 1, f); }
493 EOF
494 if compile_object -Wno-unused-result; then
495   CFLAGS="$CFLAGS -Wno-unused-result"
496 fi
497
498 # short plugin list for display
499 for p in $plugins; do
500   p1=`basename $p`
501   plugins_short="$p1 $plugins_short"
502 done
503
504 # set things that failed to autodetect to "no"
505 test "x$have_armv6" != "x" || have_armv6="no"
506 test "x$have_armv7" != "x" || have_armv7="no"
507 test "x$have_arm_neon" != "x" || have_arm_neon="no"
508 test "x$have_gles" != "x" || have_gles="no"
509 test "x$have_c64x_dsp" != "x" || have_c64x_dsp="no"
510
511 echo "architecture        $ARCH"
512 echo "platform            $platform"
513 echo "built-in GPU        $builtin_gpu"
514 echo "sound drivers       $sound_drivers"
515 echo "plugins             $plugins_short"
516 echo "C compiler          $CC"
517 echo "C compiler flags    $CFLAGS"
518 echo "libraries           $MAIN_LDLIBS"
519 echo "linker flags        $LDFLAGS$MAIN_LDFLAGS"
520 echo "enable dynarec      $enable_dynarec"
521 if [ "$ARCH" = "arm" ]; then
522   echo "ARMv7 optimizations $have_armv7"
523   echo "enable ARM NEON     $have_arm_neon"
524   echo "TI C64x DSP support $have_c64x_dsp"
525 fi
526 echo "tslib support       $have_tslib"
527 if [ "$platform" = "generic" ]; then
528   echo "OpenGL ES output    $have_gles"
529 fi
530
531 echo "# Automatically generated by configure" > $config_mak
532 printf "# Configured with:" >> $config_mak
533 printf " '%s'" "$0" "$@" >> $config_mak
534 echo >> $config_mak
535
536 echo "CC = $CC" >> $config_mak
537 echo "CXX = $CXX" >> $config_mak
538 echo "AS = $AS" >> $config_mak
539 echo "CFLAGS += $CFLAGS" >> $config_mak
540 echo "ASFLAGS += $ASFLAGS" >> $config_mak
541 echo "LDFLAGS += $LDFLAGS" >> $config_mak
542 echo "MAIN_LDFLAGS += $MAIN_LDFLAGS" >> $config_mak
543 echo "MAIN_LDLIBS += $MAIN_LDLIBS" >> $config_mak
544 echo "PLUGIN_CFLAGS += $PLUGIN_CFLAGS" >> $config_mak
545 echo >> $config_mak
546
547 if [ "$platform" = "libretro" ]; then
548   echo "TARGET = libretro.so" >> $config_mak
549 fi
550 echo "ARCH = $ARCH" >> $config_mak
551 echo "PLATFORM = $platform" >> $config_mak
552 echo "BUILTIN_GPU = $builtin_gpu" >> $config_mak
553 echo "SOUND_DRIVERS = $sound_drivers" >> $config_mak
554 echo "PLUGINS = $plugins" >> $config_mak
555 if [ "$have_arm_neon" = "yes" ]; then
556   echo "HAVE_NEON = 1" >> $config_mak
557 fi
558 if [ "$have_tslib" = "yes" ]; then
559   echo "HAVE_TSLIB = 1" >> $config_mak
560 fi
561 if [ "$have_gles" = "yes" ]; then
562   echo "HAVE_GLES = 1" >> $config_mak
563   echo "CFLAGS_GLES = $CFLAGS_GLES" >> $config_mak
564   echo "LDLIBS_GLES = $LDLIBS_GLES" >> $config_mak
565 fi
566 if [ "$enable_dynarec" = "yes" ]; then
567   echo "USE_DYNAREC = 1" >> $config_mak
568 fi
569 if [ "$drc_cache_base" = "yes" ]; then
570   echo "BASE_ADDR_DYNAMIC = 1" >> $config_mak
571 fi
572 if [ "$have_c64x_dsp" = "yes" ]; then
573   echo "HAVE_C64_TOOLS = 1" >> $config_mak
574 fi
575
576 # use pandora's skin (for now)
577 test -e skin || ln -s frontend/pandora/skin skin
578
579 # vim:shiftwidth=2:expandtab