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