7b3002591ef5bb0773d678b8499b5c9108fa9856
[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 $3}'
34   return 0
35 }
36
37 # setting options to "yes" or "no" will make that choice default,
38 # "" means "autodetect".
39
40 platform_list="generic pandora maemo caanoo libretro"
41 platform="generic"
42 builtin_gpu_list="peops unai neon senquack"
43 builtin_gpu=""
44 sound_driver_list="oss alsa pulseaudio sdl libretro"
45 sound_drivers=""
46 plugins="plugins/spunull/spunull.so \
47 plugins/dfxvideo/gpu_peops.so plugins/gpu_unai/gpu_unai.so plugins/gpu_senquack/gpu_senquack.so"
48 ram_fixed="no"
49 drc_cache_base="no"
50 have_armv5=""
51 have_armv6=""
52 have_armv7=""
53 have_arm_neon=""
54 have_tslib=""
55 have_gles=""
56 have_c64x_dsp=""
57 enable_dynarec="yes"
58 need_sdl="no"
59 need_xlib="no"
60 need_libpicofe="yes"
61 need_warm="no"
62 CFLAGS_GLES=""
63 LDLIBS_GLES=""
64 # these are for known platforms
65 optimize_cortexa8="no"
66 optimize_arm926ej="no"
67
68 # hardcoded stuff
69 CC="${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 "$@"
79   if test -n "$DUMP_CONFIG_LOG"; then cat config.log; fi
80   exit 1
81 }
82
83 # call during arg parsing, so that cmd line can override platform defaults
84 set_platform()
85 {
86   platform=$1
87   case "$platform" in
88   generic)
89     ;;
90   pandora)
91     sound_drivers="oss alsa"
92     ram_fixed="yes"
93     drc_cache_base="yes"
94     optimize_cortexa8="yes"
95     have_arm_neon="yes"
96     need_xlib="yes"
97     ;;
98   maemo)
99     ram_fixed="yes"
100     drc_cache_base="yes"
101     optimize_cortexa8="yes"
102     have_arm_neon="yes"
103     ;;
104   caanoo)
105     sound_drivers="oss"
106     ram_fixed="yes"
107     drc_cache_base="yes"
108     optimize_arm926ej="yes"
109     need_warm="yes"
110     ;;
111   libretro)
112     sound_drivers="libretro"
113     need_libpicofe="no"
114     ;;
115   *)
116     fail "unsupported platform: $platform"
117     ;;
118   esac
119 }
120
121 for opt do
122   optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'` || true
123   case "$opt" in
124   --help|-h) show_help="yes"
125   ;;
126   --platform=*) set_platform "$optarg"
127   ;;
128   --gpu=*) builtin_gpu="$optarg"
129   ;;
130   --sound-drivers=*) sound_drivers="$optarg"
131   ;;
132   --enable-neon) have_arm_neon="yes"
133   ;;
134   --disable-neon) have_arm_neon="no"
135   ;;
136   --disable-dynarec) enable_dynarec="no"
137   ;;
138   *) echo "ERROR: unknown option $opt"; show_help="yes"
139   ;;
140   esac
141 done
142
143 if [ "$show_help" = "yes" ]; then
144   echo "options:"
145   echo "  --help                   print this message"
146   echo "  --platform=NAME          target platform [$platform]"
147   echo "                           available: $platform_list"
148   echo "  --gpu=NAME               builtin gpu plugin [guessed]"
149   echo "                           available: $builtin_gpu_list"
150   echo "  --sound-drivers=LIST     sound output drivers [guessed]"
151   echo "                           available: $sound_driver_list"
152   echo "  --enable-neon"
153   echo "  --disable-neon           enable/disable ARM NEON optimizations [guessed]"
154   echo "  --disable-dynarec        disable dynamic recompiler"
155   echo "                           (dynarec is only available and enabled on ARM)"
156   echo "  --disable-icache-emu     Disables the instruction cache emulation"
157   echo "influential environment variables:"
158   echo "  CROSS_COMPILE CC CXX AS AR CFLAGS ASFLAGS LDFLAGS LDLIBS"
159   exit 1
160 fi
161
162 # validate selections
163 if [ "x$builtin_gpu" != "x" ]; then
164   if ! echo $builtin_gpu_list | grep -q "\<$builtin_gpu\>"; then
165     fail "unsupported builtin gpu plugin: $builtin_gpu"
166   fi
167 fi
168
169 if [ "x$sound_drivers" != "x" ]; then
170   for d in $sound_drivers; do
171     if ! echo $sound_driver_list | grep -q "\<$d\>"; then
172       fail "unsupported sound driver: $sound_driver"
173     fi
174   done
175 fi
176
177 if [ "$need_libpicofe" = "yes" ]; then
178   if ! test -f "frontend/libpicofe/README"; then
179     fail "libpicofe is missing, please run 'git submodule init && git submodule update'"
180   fi
181 fi
182
183 if [ "$need_warm" = "yes" ]; then
184   if ! test -f "frontend/warm/README"; then
185     fail "wARM is missing, please run 'git submodule init && git submodule update'"
186   fi
187 fi
188
189 # basic compiler test
190 cat > $TMPC <<EOF
191 #include <zlib.h>
192 int main(void) { return 0; }
193 EOF
194 if ! compile_binary; then
195   fail "compiler test failed, please check config.log"
196 fi
197
198 if [ -z "$ARCH" ]; then
199   ARCH=`$CC -dumpmachine | awk -F '-' '{print $1}'`
200 fi
201
202 case "$ARCH" in
203 arm*)
204   # ARM stuff
205   ARCH="arm"
206
207   if [ "$optimize_cortexa8" = "yes" ]; then
208     CFLAGS="$CFLAGS -mcpu=cortex-a8 -mtune=cortex-a8"
209     ASFLAGS="$ASFLAGS -mcpu=cortex-a8"
210   fi
211   if [ "$optimize_arm926ej" = "yes" ]; then
212     CFLAGS="$CFLAGS -mcpu=arm926ej-s -mtune=arm926ej-s"
213     ASFLAGS="$ASFLAGS -mcpu=arm926ej-s -mfloat-abi=softfp"
214   fi
215
216   if [ "x$have_arm_neon" = "x" ]; then
217     # detect NEON from user-supplied cflags to enable asm code
218     have_arm_neon=`check_define __ARM_NEON__ && echo yes` || true
219   fi
220   if [ "x$have_armv7" = "x" ]; then
221     if check_define HAVE_ARMV7; then
222       have_armv7="yes"
223       have_armv6="yes"
224       have_armv5="yes"
225     fi
226   fi
227   if [ "x$have_armv6" = "x" ]; then
228     if check_define HAVE_ARMV6; then
229       have_armv6="yes"
230       have_armv5="yes"
231     fi
232   fi
233   if [ "x$have_armv5" = "x" ]; then
234     have_armv5=`check_define HAVE_ARMV5 && echo yes` || true
235   fi
236
237   if [ "x$builtin_gpu" = "x" ]; then
238     if [ "$have_arm_neon" = "yes" ]; then
239       builtin_gpu="neon"
240     elif [ "$have_armv7" != "yes" ]; then
241       # pre-ARMv7 hardware is usually not fast enough for peops
242       builtin_gpu="unai"
243     else
244       builtin_gpu="peops"
245     fi
246   fi
247
248   # automatically set mfpu and mfloat-abi if they are not set
249   if [ "$have_arm_neon" = "yes" ]; then
250     fpu="neon"
251   elif [ "$have_armv6" = "yes" ]; then
252     fpu="vfp"
253   fi
254   if [ "x$fpu" != "x" ]; then
255     echo "$CFLAGS" | grep -q -- '-mfpu=' || CFLAGS="$CFLAGS -mfpu=$fpu"
256     echo "$ASFLAGS" | grep -q -- '-mfpu=' || ASFLAGS="$ASFLAGS -mfpu=$fpu"
257     floatabi_set_by_gcc=`$CC -v 2>&1 | grep -q -- --with-float= && echo yes` || true
258     if [ "$floatabi_set_by_gcc" != "yes" ]; then
259       echo "$CFLAGS" | grep -q -- '-mfloat-abi=' || CFLAGS="$CFLAGS -mfloat-abi=softfp"
260       echo "$ASFLAGS" | grep -q -- '-mfloat-abi=' || ASFLAGS="$ASFLAGS -mfloat-abi=softfp"
261     fi
262   fi
263
264   # must disable thumb as recompiler can't handle it
265   if check_define __thumb__; then
266     CFLAGS="$CFLAGS -marm"
267   fi
268
269   # warn about common mistakes
270   if [ "$have_armv5" != "yes" ]; then
271     if ! echo "$CFLAGS" | grep -q -- '-mcpu=\|-march='; then
272       echo "Warning: compiling for ARMv4, is that really what you want?"
273       echo "You probably should specify -mcpu= or -march= like this:"
274       echo "  CFLAGS=-march=armv6 ./configure ..."
275     fi
276   fi
277   if [ "$have_arm_neon" = "yes" -a "$have_armv7" != "yes" ]; then
278     echo "Warning: compiling for NEON, but not ARMv7?"
279     echo "You probably want to specify -mcpu= or -march= like this:"
280     echo "  CFLAGS=-march=armv7-a ./configure ..."
281   fi
282   ;;
283 aarch64)
284   ;;
285 *)
286   # dynarec only available on ARM
287   enable_dynarec="no"
288   ;;
289 esac
290
291 if [ "x$builtin_gpu" = "x" ]; then
292   builtin_gpu="peops"
293 fi
294
295 # supposedly we can avoid -fPIC on armv5 for slightly better performace?
296 if [ "$ARCH" != "arm" -o "$have_armv6" = "yes" ]; then
297   PLUGIN_CFLAGS="$PLUGIN_CFLAGS -fPIC"
298 fi
299
300 if [ "$ram_fixed" = "yes" ]; then
301   CFLAGS="$CFLAGS -DRAM_FIXED"
302 fi
303
304 case "$platform" in
305 generic)
306   need_sdl="yes"
307   ;;
308 maemo)
309   CFLAGS="$CFLAGS -DMAEMO -DMAEMO_CHANGES"
310   ;;
311 libretro)
312   CFLAGS="$CFLAGS -fPIC"
313   MAIN_LDFLAGS="$MAIN_LDFLAGS -shared -Wl,--no-undefined"
314   ;;
315 esac
316
317 # header/library presence tests
318 check_zlib()
319 {
320   cat > $TMPC <<EOF
321   #include <zlib.h>
322   int main(void) { uncompress(0, 0, 0, 0); }
323 EOF
324   compile_binary
325 }
326
327 check_libpng()
328 {
329   cat > $TMPC <<EOF
330   #include <png.h>
331   void main() { png_init_io(0, 0); }
332 EOF
333   compile_binary
334 }
335
336 check_oss()
337 {
338   cat > $TMPC <<EOF
339   #include <sys/soundcard.h>
340   #include <sys/ioctl.h>
341   void main() { int a=0; ioctl(0, SNDCTL_DSP_SETFMT, &a); }
342 EOF
343   compile_binary
344 }
345
346 check_alsa()
347 {
348   cat > $TMPC <<EOF
349   #include <alsa/asoundlib.h>
350   void main() { snd_pcm_open(0, 0, 0, 0); }
351 EOF
352   compile_binary "$@"
353 }
354
355 check_pulseaudio()
356 {
357   cat > $TMPC <<EOF
358   #include <pulse/pulseaudio.h>
359   void main() { pa_threaded_mainloop_new(); }
360 EOF
361   compile_binary "$@"
362 }
363
364 check_sdl()
365 {
366   cat > $TMPC <<EOF
367   #include <SDL.h>
368   void main() { SDL_OpenAudio(0, 0); }
369 EOF
370   compile_binary "$@"
371 }
372
373 check_xlib_headers()
374 {
375   cat > $TMPC <<EOF
376   #include <X11/Xlib.h>
377   void *f() { return XOpenDisplay(0); }
378 EOF
379   compile_object "$@"
380 }
381
382 # see if we have c64_tools for TI C64x DSP
383 check_c64_tools()
384 {
385   cat > $TMPC <<EOF
386   #include <inc_libc64_mini.h>
387   int f() { return dsp_open(); }
388 EOF
389   compile_object "$@"
390 }
391
392 MAIN_LDLIBS="$MAIN_LDLIBS -lz"
393 check_zlib || fail "please install zlib (libz-dev)"
394
395 MAIN_LDLIBS="-lpng $MAIN_LDLIBS"
396 check_libpng || fail "please install libpng (libpng-dev)"
397
398 # find what audio support we can compile
399 if [ "x$sound_drivers" = "x" ]; then
400   if check_oss; then sound_drivers="$sound_drivers oss"; fi
401   if check_alsa -lasound; then
402     sound_drivers="$sound_drivers alsa"
403     MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
404   fi
405   if check_pulseaudio -lpulse; then
406     sound_drivers="$sound_drivers pulseaudio"
407     MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
408   fi
409   if [ "$need_sdl" = "yes" ] || check_sdl `sdl-config --cflags --libs`; then
410     sound_drivers="$sound_drivers sdl"
411     need_sdl="yes"
412   fi
413 else
414   if echo $sound_drivers | grep -q "\<oss\>"; then
415     check_oss || fail "oss support is missing"
416   fi
417   if echo $sound_drivers | grep -q "\<alsa\>"; then
418     MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
419     check_alsa || fail "please install libasound2-dev"
420   fi
421   if echo $sound_drivers | grep -q "\<pulseaudio\>"; then
422     MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
423     check_pulseaudio || fail "pulseaudio support is missing"
424   fi
425 fi
426
427 if [ "$need_sdl" = "yes" ]; then
428   which sdl-config > /dev/null || \
429     fail "sdl-config is missing; please install libsdl (libsdl1.2-dev)"
430   CFLAGS="$CFLAGS `sdl-config --cflags`"
431   MAIN_LDLIBS="`sdl-config --libs` $MAIN_LDLIBS"
432   check_sdl || fail "please install libsdl (libsdl1.2-dev)"
433 fi
434
435 # check for tslib (only headers needed)
436 if [ "x$have_tslib" = "x" ]; then
437   cat > $TMPC <<EOF
438   #include <tslib.h>
439   void test(struct ts_sample sample) {}
440 EOF
441   if compile_object; then
442     have_tslib="yes"
443   else
444     have_tslib="no"
445   fi
446 fi
447
448 # check for VideoCore stuff for Raspberry Pi
449 if [ -d /opt/vc/include -a -d /opt/vc/lib -a "$VIDEOCORE" != "no" ]; then
450   CFLAGS_GLES="$CFLAGS_GLES -I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
451   LDLIBS_GLES="$LDLIBS_GLES -L/opt/vc/lib"
452   if [ -f /opt/vc/lib/libbcm_host.so ]; then
453     LDLIBS_GLES="$LDLIBS_GLES -lbcm_host"
454   fi
455   need_xlib="yes"
456   VIDEOCORE="yes"
457 fi
458
459 # check for GLES headers
460 cat > $TMPC <<EOF
461 #include <GLES/gl.h>
462 #include <EGL/egl.h>
463 int main(void) {
464   return (int)eglGetDisplay( (EGLNativeDisplayType)0 );
465 }
466 EOF
467 if [ "$VIDEOCORE" = "yes" ] && compile_binary $CFLAGS_GLES -lbrcmEGL -lbrcmGLESv2 $LDLIBS_GLES; then
468   have_gles="yes"
469   LDLIBS_GLES="-lbrcmEGL -lbrcmGLESv2 $LDLIBS_GLES"
470 elif compile_binary $CFLAGS_GLES -lEGL -lGLES_CM $LDLIBS_GLES; then
471   have_gles="yes"
472   LDLIBS_GLES="-lEGL -lGLES_CM $LDLIBS_GLES"
473 elif compile_binary $CFLAGS_GLES -lEGL -lGLESv1_CM $LDLIBS_GLES; then
474   have_gles="yes"
475   LDLIBS_GLES="-lEGL -lGLESv1_CM $LDLIBS_GLES"
476 fi
477
478 if check_c64_tools; then
479   have_c64x_dsp="yes"
480 fi
481
482 if [ "$have_gles" = "yes" ]; then
483   plugins="$plugins plugins/gpu-gles/gpu_gles.so"
484 fi
485 if [ "$have_arm_neon" = "yes" -a "$builtin_gpu" != "neon" ]; then
486   plugins="$plugins plugins/gpu_neon/gpu_neon.so"
487 fi
488
489 # check for xlib (only headers needed)
490 if [ "x$need_xlib" = "xyes" ]; then
491   check_xlib_headers || fail "please install libx11-dev"
492 fi
493
494 sizeof_long=`check_define_val __SIZEOF_LONG__`
495 if [ "x$sizeof_long" = "x4" ]; then
496   CFLAGS="$CFLAGS -D_FILE_OFFSET_BITS=64"
497 fi
498
499 cat > $TMPC <<EOF
500 void test(void *f, void *d) { fread(d, 1, 1, f); }
501 EOF
502 if compile_object -Wno-unused-result; then
503   CFLAGS="$CFLAGS -Wno-unused-result"
504 fi
505
506 # short plugin list for display
507 for p in $plugins; do
508   p1=`basename $p`
509   plugins_short="$p1 $plugins_short"
510 done
511
512 # set things that failed to autodetect to "no"
513 test "x$have_armv6" != "x" || have_armv6="no"
514 test "x$have_armv7" != "x" || have_armv7="no"
515 test "x$have_arm_neon" != "x" || have_arm_neon="no"
516 test "x$have_gles" != "x" || have_gles="no"
517 test "x$have_c64x_dsp" != "x" || have_c64x_dsp="no"
518
519 echo "architecture        $ARCH"
520 echo "platform            $platform"
521 echo "built-in GPU        $builtin_gpu"
522 echo "sound drivers       $sound_drivers"
523 echo "plugins             $plugins_short"
524 echo "C compiler          $CC"
525 echo "C compiler flags    $CFLAGS"
526 echo "libraries           $MAIN_LDLIBS"
527 echo "linker flags        $LDFLAGS$MAIN_LDFLAGS"
528 echo "enable dynarec      $enable_dynarec"
529 if [ "$ARCH" = "arm" ]; then
530   echo "ARMv7 optimizations $have_armv7"
531   echo "enable ARM NEON     $have_arm_neon"
532   echo "TI C64x DSP support $have_c64x_dsp"
533 fi
534 echo "tslib support       $have_tslib"
535 if [ "$platform" = "generic" ]; then
536   echo "OpenGL ES output    $have_gles"
537 fi
538
539 echo "# Automatically generated by configure" > $config_mak
540 printf "# Configured with:" >> $config_mak
541 printf " '%s'" "$0" "$@" >> $config_mak
542 echo >> $config_mak
543
544 echo "CC = $CC" >> $config_mak
545 echo "CXX = $CXX" >> $config_mak
546 echo "AS = $AS" >> $config_mak
547 echo "CFLAGS += $CFLAGS" >> $config_mak
548 echo "ASFLAGS += $ASFLAGS" >> $config_mak
549 echo "LDFLAGS += $LDFLAGS" >> $config_mak
550 echo "MAIN_LDFLAGS += $MAIN_LDFLAGS" >> $config_mak
551 echo "MAIN_LDLIBS += $MAIN_LDLIBS" >> $config_mak
552 echo "PLUGIN_CFLAGS += $PLUGIN_CFLAGS" >> $config_mak
553 echo >> $config_mak
554
555 if [ "$platform" = "libretro" ]; then
556   echo "TARGET = libretro.so" >> $config_mak
557 fi
558 echo "ARCH = $ARCH" >> $config_mak
559 echo "PLATFORM = $platform" >> $config_mak
560 echo "BUILTIN_GPU = $builtin_gpu" >> $config_mak
561 echo "SOUND_DRIVERS = $sound_drivers" >> $config_mak
562 echo "PLUGINS = $plugins" >> $config_mak
563 if [ "$have_arm_neon" = "yes" ]; then
564   echo "HAVE_NEON = 1" >> $config_mak
565 fi
566 if [ "$have_tslib" = "yes" ]; then
567   echo "HAVE_TSLIB = 1" >> $config_mak
568 fi
569 if [ "$have_gles" = "yes" ]; then
570   echo "HAVE_GLES = 1" >> $config_mak
571   echo "CFLAGS_GLES = $CFLAGS_GLES" >> $config_mak
572   echo "LDLIBS_GLES = $LDLIBS_GLES" >> $config_mak
573 fi
574 if [ "$enable_dynarec" = "yes" ]; then
575   echo "USE_DYNAREC = 1" >> $config_mak
576 fi
577 if [ "$drc_cache_base" = "yes" ]; then
578   echo "BASE_ADDR_DYNAMIC = 1" >> $config_mak
579 fi
580 if [ "$have_c64x_dsp" = "yes" ]; then
581   echo "HAVE_C64_TOOLS = 1" >> $config_mak
582 fi
583
584 # use pandora's skin (for now)
585 test -e skin || ln -s frontend/pandora/skin skin
586
587 # vim:shiftwidth=2:expandtab