libretro: fix a typo
[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 $3}'
34   return 0
35 }
36
37 # setting options to "yes" or "no" will make that choice default,
38 # "" means "autodetect".
39
40 platform_list="generic pandora maemo caanoo libretro"
41 platform="generic"
42 builtin_gpu_list="peops unai neon"
43 builtin_gpu=""
44 sound_driver_list="oss alsa pulseaudio sdl libretro"
45 sound_drivers=""
46 plugins="plugins/spunull/spunull.so \
47 plugins/dfxvideo/gpu_peops.so plugins/gpu_unai/gpu_unai.so"
48 ram_fixed="no"
49 drc_cache_base="no"
50 have_armv5=""
51 have_armv6=""
52 have_armv7=""
53 have_arm_neon=""
54 have_tslib=""
55 have_gles=""
56 have_c64x_dsp=""
57 enable_dynarec="yes"
58 need_sdl="no"
59 need_xlib="no"
60 need_libpicofe="yes"
61 need_warm="no"
62 CFLAGS_GLES=""
63 LDLIBS_GLES=""
64 # these are for known platforms
65 optimize_cortexa8="no"
66 optimize_arm926ej="no"
67
68 # hardcoded stuff
69 CC="${CC-${CROSS_COMPILE}gcc}"
70 CXX="${CXX-${CROSS_COMPILE}g++}"
71 AS="${AS-${CROSS_COMPILE}as}"
72 AR="${AS-${CROSS_COMPILE}ar}"
73 MAIN_LDLIBS="$LDLIBS -ldl -lm -lpthread"
74 config_mak="config.mak"
75
76 fail()
77 {
78   echo "$@"
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     ram_fixed="yes"
92     drc_cache_base="yes"
93     optimize_cortexa8="yes"
94     have_arm_neon="yes"
95     need_xlib="yes"
96     ;;
97   maemo)
98     ram_fixed="yes"
99     drc_cache_base="yes"
100     optimize_cortexa8="yes"
101     have_arm_neon="yes"
102     ;;
103   caanoo)
104     sound_drivers="oss"
105     ram_fixed="yes"
106     drc_cache_base="yes"
107     optimize_arm926ej="yes"
108     need_warm="yes"
109     ;;
110   libretro)
111     sound_drivers="libretro"
112     need_libpicofe="no"
113     ;;
114   *)
115     fail "unsupported platform: $platform"
116     ;;
117   esac
118 }
119
120 for opt do
121   optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'` || true
122   case "$opt" in
123   --help|-h) show_help="yes"
124   ;;
125   --platform=*) set_platform "$optarg"
126   ;;
127   --gpu=*) builtin_gpu="$optarg"
128   ;;
129   --sound-drivers=*) sound_drivers="$optarg"
130   ;;
131   --enable-neon) have_arm_neon="yes"
132   ;;
133   --disable-neon) have_arm_neon="no"
134   ;;
135   --disable-dynarec) enable_dynarec="no"
136   ;;
137   *) echo "ERROR: unknown option $opt"; show_help="yes"
138   ;;
139   esac
140 done
141
142 if [ "$show_help" = "yes" ]; then
143   echo "options:"
144   echo "  --help                   print this message"
145   echo "  --platform=NAME          target platform [$platform]"
146   echo "                           available: $platform_list"
147   echo "  --gpu=NAME               builtin gpu plugin [guessed]"
148   echo "                           available: $builtin_gpu_list"
149   echo "  --sound-drivers=LIST     sound output drivers [guessed]"
150   echo "                           available: $sound_driver_list"
151   echo "  --enable-neon"
152   echo "  --disable-neon           enable/disable ARM NEON optimizations [guessed]"
153   echo "  --disable-dynarec        disable dynamic recompiler"
154   echo "                           (dynarec is only available and enabled on ARM)"
155   echo "influential environment variables:"
156   echo "  CROSS_COMPILE CC CXX AS AR CFLAGS ASFLAGS LDFLAGS LDLIBS"
157   exit 1
158 fi
159
160 # validate selections
161 if [ "x$builtin_gpu" != "x" ]; then
162   if ! echo $builtin_gpu_list | grep -q "\<$builtin_gpu\>"; then
163     fail "unsupported builtin gpu plugin: $builtin_gpu"
164   fi
165 fi
166
167 if [ "x$sound_drivers" != "x" ]; then
168   for d in $sound_drivers; do
169     if ! echo $sound_driver_list | grep -q "\<$d\>"; then
170       fail "unsupported sound driver: $sound_driver"
171     fi
172   done
173 fi
174
175 if [ "$need_libpicofe" = "yes" ]; then
176   if ! test -f "frontend/libpicofe/README"; then
177     fail "libpicofe is missing, please run 'git submodule init && git submodule update'"
178   fi
179 fi
180
181 if [ "$need_warm" = "yes" ]; then
182   if ! test -f "frontend/warm/README"; then
183     fail "wARM is missing, please run 'git submodule init && git submodule update'"
184   fi
185 fi
186
187 # basic compiler test
188 cat > $TMPC <<EOF
189 #include <zlib.h>
190 int main(void) { return 0; }
191 EOF
192 if ! compile_binary; then
193   fail "compiler test failed, please check config.log"
194 fi
195
196 if [ -z "$ARCH" ]; then
197   ARCH=`$CC -dumpmachine | awk -F '-' '{print $1}'`
198 fi
199
200 case "$ARCH" in
201 arm*)
202   # ARM stuff
203   ARCH="arm"
204
205   if [ "$optimize_cortexa8" = "yes" ]; then
206     CFLAGS="$CFLAGS -mcpu=cortex-a8 -mtune=cortex-a8"
207     ASFLAGS="$ASFLAGS -mcpu=cortex-a8"
208   fi
209   if [ "$optimize_arm926ej" = "yes" ]; then
210     CFLAGS="$CFLAGS -mcpu=arm926ej-s -mtune=arm926ej-s"
211     ASFLAGS="$ASFLAGS -mcpu=arm926ej-s -mfloat-abi=softfp"
212   fi
213
214   if [ "x$have_arm_neon" = "x" ]; then
215     # detect NEON from user-supplied cflags to enable asm code
216     have_arm_neon=`check_define __ARM_NEON__ && echo yes` || true
217   fi
218   if [ "x$have_armv7" = "x" ]; then
219     if check_define HAVE_ARMV7; then
220       have_armv7="yes"
221       have_armv6="yes"
222       have_armv5="yes"
223     fi
224   fi
225   if [ "x$have_armv6" = "x" ]; then
226     if check_define HAVE_ARMV6; then
227       have_armv6="yes"
228       have_armv5="yes"
229     fi
230   fi
231   if [ "x$have_armv5" = "x" ]; then
232     have_armv5=`check_define HAVE_ARMV5 && echo yes` || true
233   fi
234
235   if [ "x$builtin_gpu" = "x" ]; then
236     if [ "$have_arm_neon" = "yes" ]; then
237       builtin_gpu="neon"
238     elif [ "$have_armv7" != "yes" ]; then
239       # pre-ARMv7 hardware is usually not fast enough for peops
240       builtin_gpu="unai"
241     else
242       builtin_gpu="peops"
243     fi
244   fi
245
246   # automatically set mfpu and mfloat-abi if they are not set
247   if [ "$have_arm_neon" = "yes" ]; then
248     fpu="neon"
249   elif [ "$have_armv6" = "yes" ]; then
250     fpu="vfp"
251   fi
252   if [ "x$fpu" != "x" ]; then
253     echo "$CFLAGS" | grep -q -- '-mfpu=' || CFLAGS="$CFLAGS -mfpu=$fpu"
254     echo "$ASFLAGS" | grep -q -- '-mfpu=' || ASFLAGS="$ASFLAGS -mfpu=$fpu"
255     floatabi_set_by_gcc=`$CC -v 2>&1 | grep -q -- --with-float= && echo yes` || true
256     if [ "$floatabi_set_by_gcc" != "yes" ]; then
257       echo "$CFLAGS" | grep -q -- '-mfloat-abi=' || CFLAGS="$CFLAGS -mfloat-abi=softfp"
258       echo "$ASFLAGS" | grep -q -- '-mfloat-abi=' || ASFLAGS="$ASFLAGS -mfloat-abi=softfp"
259     fi
260   fi
261
262   # must disable thumb as recompiler can't handle it
263   if check_define __thumb__; then
264     CFLAGS="$CFLAGS -marm"
265   fi
266
267   # warn about common mistakes
268   if [ "$have_armv5" != "yes" ]; then
269     if ! echo "$CFLAGS" | grep -q -- '-mcpu=\|-march='; then
270       echo "Warning: compiling for ARMv4, is that really what you want?"
271       echo "You probably should specify -mcpu= or -march= like this:"
272       echo "  CFLAGS=-march=armv6 ./configure ..."
273     fi
274   fi
275   if [ "$have_arm_neon" = "yes" -a "$have_armv7" != "yes" ]; then
276     echo "Warning: compiling for NEON, but not ARMv7?"
277     echo "You probably want to specify -mcpu= or -march= like this:"
278     echo "  CFLAGS=-march=armv7-a ./configure ..."
279   fi
280   ;;
281 *)
282   # dynarec only available on ARM
283   enable_dynarec="no"
284   ;;
285 esac
286
287 if [ "x$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="$PLUGIN_CFLAGS -fPIC"
294 fi
295
296 if [ "$ram_fixed" = "yes" ]; then
297   CFLAGS="$CFLAGS -DRAM_FIXED"
298 fi
299
300 case "$platform" in
301 generic)
302   need_sdl="yes"
303   ;;
304 maemo)
305   CFLAGS="$CFLAGS -DMAEMO -DMAEMO_CHANGES"
306   ;;
307 libretro)
308   CFLAGS="$CFLAGS -fPIC"
309   MAIN_LDFLAGS="$MAIN_LDFLAGS -shared -Wl,--no-undefined"
310   ;;
311 esac
312
313 # header/library presence tests
314 check_zlib()
315 {
316   cat > $TMPC <<EOF
317   #include <zlib.h>
318   int main(void) { uncompress(0, 0, 0, 0); }
319 EOF
320   compile_binary
321 }
322
323 check_libpng()
324 {
325   cat > $TMPC <<EOF
326   #include <png.h>
327   void main() { png_init_io(0, 0); }
328 EOF
329   compile_binary
330 }
331
332 check_oss()
333 {
334   cat > $TMPC <<EOF
335   #include <sys/soundcard.h>
336   #include <sys/ioctl.h>
337   void main() { int a=0; ioctl(0, SNDCTL_DSP_SETFMT, &a); }
338 EOF
339   compile_binary
340 }
341
342 check_alsa()
343 {
344   cat > $TMPC <<EOF
345   #include <alsa/asoundlib.h>
346   void main() { snd_pcm_open(0, 0, 0, 0); }
347 EOF
348   compile_binary "$@"
349 }
350
351 check_pulseaudio()
352 {
353   cat > $TMPC <<EOF
354   #include <pulse/pulseaudio.h>
355   void main() { pa_threaded_mainloop_new(); }
356 EOF
357   compile_binary "$@"
358 }
359
360 check_sdl()
361 {
362   cat > $TMPC <<EOF
363   #include <SDL.h>
364   void main() { SDL_OpenAudio(0, 0); }
365 EOF
366   compile_binary "$@"
367 }
368
369 check_xlib_headers()
370 {
371   cat > $TMPC <<EOF
372   #include <X11/Xlib.h>
373   void *f() { return XOpenDisplay(0); }
374 EOF
375   compile_object "$@"
376 }
377
378 # see if we have c64_tools for TI C64x DSP
379 check_c64_tools()
380 {
381   cat > $TMPC <<EOF
382   #include <inc_libc64_mini.h>
383   int f() { return dsp_open(); }
384 EOF
385   compile_object "$@"
386 }
387
388 MAIN_LDLIBS="$MAIN_LDLIBS -lz"
389 check_zlib || fail "please install zlib (libz-dev)"
390
391 MAIN_LDLIBS="-lpng $MAIN_LDLIBS"
392 check_libpng || fail "please install libpng (libpng-dev)"
393
394 # find what audio support we can compile
395 if [ "x$sound_drivers" = "x" ]; then
396   if check_oss; then sound_drivers="$sound_drivers oss"; fi
397   if check_alsa -lasound; then
398     sound_drivers="$sound_drivers alsa"
399     MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
400   fi
401   if check_pulseaudio -lpulse; then
402     sound_drivers="$sound_drivers pulseaudio"
403     MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
404   fi
405   if [ "$need_sdl" = "yes" ] || check_sdl `sdl-config --cflags --libs`; then
406     sound_drivers="$sound_drivers sdl"
407     need_sdl="yes"
408   fi
409 else
410   if echo $sound_drivers | grep -q "\<oss\>"; then
411     check_oss || fail "oss support is missing"
412   fi
413   if echo $sound_drivers | grep -q "\<alsa\>"; then
414     MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
415     check_alsa || fail "please install libasound2-dev"
416   fi
417   if echo $sound_drivers | grep -q "\<pulseaudio\>"; then
418     MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
419     check_pulseaudio || fail "pulseaudio support is missing"
420   fi
421 fi
422
423 if [ "$need_sdl" = "yes" ]; then
424   which sdl-config > /dev/null || \
425     fail "sdl-config is missing; please install libsdl (libsdl1.2-dev)"
426   CFLAGS="$CFLAGS `sdl-config --cflags`"
427   MAIN_LDLIBS="`sdl-config --libs` $MAIN_LDLIBS"
428   check_sdl || fail "please install libsdl (libsdl1.2-dev)"
429 fi
430
431 # check for tslib (only headers needed)
432 if [ "x$have_tslib" = "x" ]; then
433   cat > $TMPC <<EOF
434   #include <tslib.h>
435   void test(struct ts_sample sample) {}
436 EOF
437   if compile_object; then
438     have_tslib="yes"
439   else
440     have_tslib="no"
441   fi
442 fi
443
444 # check for VideoCore stuff for Raspberry Pi
445 if [ -d /opt/vc/include -a -d /opt/vc/lib ]; then
446   CFLAGS_GLES="$CFLAGS_GLES -I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
447   LDLIBS_GLES="$LDLIBS_GLES -L/opt/vc/lib"
448   if [ -f /opt/vc/lib/libbcm_host.so ]; then
449     LDLIBS_GLES="$LDLIBS_GLES -lbcm_host"
450   fi
451   need_xlib="yes"
452 fi
453
454 # check for GLES headers
455 cat > $TMPC <<EOF
456 #include <GLES/gl.h>
457 #include <EGL/egl.h>
458 int main(void) {
459   return (int)eglGetDisplay( (EGLNativeDisplayType)0 );
460 }
461 EOF
462 if 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 "DRC_CACHE_BASE = 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