libretro: preliminary physical cdrom support
[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 $3}'
34   return 0
35 }
36
37 # setting options to "yes" or "no" will make that choice default,
38 # "" means "autodetect".
39
40 platform_list="generic pandora maemo caanoo libretro"
41 platform="generic"
42 builtin_gpu_list="neon peops unai"
43 builtin_gpu=""
44 sound_driver_list="oss alsa pulseaudio sdl libretro"
45 sound_drivers=""
46 plugins="plugins/spunull/spunull.so \
47 plugins/dfxvideo/gpu_peops.so plugins/gpu_unai/gpu_unai.so"
48 drc_cache_base="no"
49 have_armv5=""
50 have_armv6=""
51 have_armv7=""
52 have_arm_neon=""
53 have_arm_neon_asm=""
54 have_tslib=""
55 have_gles=""
56 have_c64x_dsp=""
57 enable_dynarec="yes"
58 need_sdl="no"
59 need_xlib="no"
60 need_libpicofe="yes"
61 need_warm="no"
62 CFLAGS_GLES=""
63 LDLIBS_GLES=""
64 # these are for known platforms
65 optimize_cortexa8="no"
66 optimize_arm926ej="no"
67
68 # hardcoded stuff
69 if [ "${OSTYPE}" = "FreeBSD" ]; then
70         CC="clang"
71         CXX="clang++"
72         CFLAGS="-I/usr/local/include -L/usr/local/lib"
73         MAKE=gmake
74 else
75         CC="${CC-${CROSS_COMPILE}gcc}"
76         CXX="${CXX-${CROSS_COMPILE}g++}"
77 fi
78 AS="${AS-${CROSS_COMPILE}as}"
79 AR="${AS-${CROSS_COMPILE}ar}"
80 MAIN_LDLIBS="$LDLIBS -ldl -lm -lpthread"
81 config_mak="config.mak"
82
83 if [ "${OSTYPE}" = "FreeBSD" ]; then
84         SYSROOT="$sysroot"
85         [ "x${SDL_CONFIG}" = "x" ] && SDL_CONFIG="${SYSROOT}/usr/local/bin/sdl-config"
86 else
87         SYSROOT="$(${CC} --print-sysroot)"
88         [ "x${SDL_CONFIG}" = "x" ] && SDL_CONFIG="${SYSROOT}/usr/bin/sdl-config"
89 fi
90
91 fail()
92 {
93   echo "$@"
94   if test -n "$DUMP_CONFIG_LOG"; then cat config.log; fi
95   exit 1
96 }
97
98 # call during arg parsing, so that cmd line can override platform defaults
99 set_platform()
100 {
101   platform=$1
102   case "$platform" in
103   generic)
104     ;;
105   pandora)
106     sound_drivers="oss alsa"
107     drc_cache_base="yes"
108     optimize_cortexa8="yes"
109     have_arm_neon="yes"
110     need_xlib="yes"
111     ;;
112   maemo)
113     drc_cache_base="yes"
114     optimize_cortexa8="yes"
115     have_arm_neon="yes"
116     ;;
117   caanoo)
118     sound_drivers="oss"
119     drc_cache_base="yes"
120     optimize_arm926ej="yes"
121     need_warm="yes"
122     ;;
123   libretro)
124     sound_drivers="libretro"
125     need_libpicofe="no"
126     ;;
127   *)
128     fail "unsupported platform: $platform"
129     ;;
130   esac
131 }
132
133 for opt do
134   optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'` || true
135   case "$opt" in
136   --help|-h) show_help="yes"
137   ;;
138   --platform=*) set_platform "$optarg"
139   ;;
140   --gpu=*) builtin_gpu="$optarg"
141   ;;
142   --sound-drivers=*) sound_drivers="$optarg"
143   ;;
144   --enable-neon) have_arm_neon="yes"
145   ;;
146   --disable-neon) have_arm_neon="no"
147   ;;
148   --disable-dynarec) enable_dynarec="no"
149   ;;
150   *) echo "ERROR: unknown option $opt"; show_help="yes"
151   ;;
152   esac
153 done
154
155 if [ "$show_help" = "yes" ]; then
156   echo "options:"
157   echo "  --help                   print this message"
158   echo "  --platform=NAME          target platform [$platform]"
159   echo "                           available: $platform_list"
160   echo "  --gpu=NAME               builtin gpu plugin [guessed]"
161   echo "                           available: $builtin_gpu_list"
162   echo "  --sound-drivers=LIST     sound output drivers [guessed]"
163   echo "                           available: $sound_driver_list"
164   echo "  --enable-neon"
165   echo "  --disable-neon           enable/disable ARM NEON optimizations [guessed]"
166   echo "  --disable-dynarec        disable dynamic recompiler"
167   echo "                           (dynarec is only available and enabled on ARM)"
168   echo "influential environment variables:"
169   echo "  CROSS_COMPILE CC CXX AS AR CFLAGS ASFLAGS LDFLAGS LDLIBS"
170   exit 1
171 fi
172
173 # validate selections
174 if [ "x$builtin_gpu" != "x" ]; then
175   if ! echo $builtin_gpu_list | grep -q "\<$builtin_gpu\>"; then
176     fail "unsupported builtin gpu plugin: $builtin_gpu"
177   fi
178 fi
179
180 if [ "x$sound_drivers" != "x" ]; then
181   for d in $sound_drivers; do
182     if ! echo $sound_driver_list | grep -q "\<$d\>"; then
183       fail "unsupported sound driver: $sound_driver"
184     fi
185   done
186 fi
187
188 if [ "$need_libpicofe" = "yes" ]; then
189   if ! test -f "frontend/libpicofe/README"; then
190     fail "libpicofe is missing, please run 'git submodule init && git submodule update'"
191   fi
192 fi
193
194 if [ "$need_warm" = "yes" ]; then
195   if ! test -f "frontend/warm/README"; then
196     fail "wARM is missing, please run 'git submodule init && git submodule update'"
197   fi
198 fi
199
200 # basic compiler test
201 cat > $TMPC <<EOF
202 #include <zlib.h>
203 int main(void) { return 0; }
204 EOF
205 if ! compile_binary; then
206   fail "compiler test failed, please check config.log"
207 fi
208
209 if [ -z "$ARCH" ]; then
210   ARCH=`$CC -dumpmachine | awk -F '-' '{print $1}'`
211 fi
212
213 case "$ARCH" in
214 arm*)
215   # ARM stuff
216   ARCH="arm"
217
218   if [ "$optimize_cortexa8" = "yes" ]; then
219     CFLAGS="$CFLAGS -mcpu=cortex-a8 -mtune=cortex-a8"
220     ASFLAGS="$ASFLAGS -mcpu=cortex-a8"
221   fi
222   if [ "$optimize_arm926ej" = "yes" ]; then
223     CFLAGS="$CFLAGS -mcpu=arm926ej-s -mtune=arm926ej-s"
224     ASFLAGS="$ASFLAGS -mcpu=arm926ej-s -mfloat-abi=softfp"
225   fi
226
227   if [ "x$have_arm_neon" = "x" ]; then
228     # detect NEON from user-supplied cflags to enable neon code
229     have_arm_neon=`check_define __ARM_NEON__ && echo yes` || true
230   fi
231   if [ "x$have_armv7" = "x" ]; then
232     if check_define HAVE_ARMV7; then
233       have_armv7="yes"
234       have_armv6="yes"
235       have_armv5="yes"
236     fi
237   fi
238   if [ "x$have_armv6" = "x" ]; then
239     if check_define HAVE_ARMV6; then
240       have_armv6="yes"
241       have_armv5="yes"
242     fi
243   fi
244   if [ "x$have_armv5" = "x" ]; then
245     have_armv5=`check_define HAVE_ARMV5 && echo yes` || true
246   fi
247
248   if [ "x$builtin_gpu" = "x" ]; then
249     if [ "$have_arm_neon" = "yes" ]; then
250       builtin_gpu="neon"
251     elif [ "$have_armv7" != "yes" ]; then
252       # pre-ARMv7 hardware is usually not fast enough for peops
253       builtin_gpu="unai"
254     else
255       builtin_gpu="peops"
256     fi
257   fi
258
259   # automatically set mfpu and mfloat-abi if they are not set
260   if [ "$have_arm_neon" = "yes" ]; then
261     fpu="neon"
262   elif [ "$have_armv6" = "yes" ]; then
263     fpu="vfp"
264   fi
265   if [ "x$fpu" != "x" ]; then
266     echo "$CFLAGS" | grep -q -- '-mfpu=' || CFLAGS="$CFLAGS -mfpu=$fpu"
267     echo "$ASFLAGS" | grep -q -- '-mfpu=' || ASFLAGS="$ASFLAGS -mfpu=$fpu"
268     floatabi_set_by_gcc=`$CC -v 2>&1 | grep -q -- --with-float= && echo yes` || true
269     if [ "$floatabi_set_by_gcc" != "yes" ]; then
270       echo "$CFLAGS" | grep -q -- '-mfloat-abi=' || CFLAGS="$CFLAGS -mfloat-abi=softfp"
271       echo "$ASFLAGS" | grep -q -- '-mfloat-abi=' || ASFLAGS="$ASFLAGS -mfloat-abi=softfp"
272     fi
273   fi
274
275   # must disable thumb as recompiler can't handle it
276   if check_define __thumb__; then
277     CFLAGS="$CFLAGS -marm"
278   fi
279
280   # warn about common mistakes
281   if [ "$have_armv5" != "yes" ]; then
282     if ! echo "$CFLAGS" | grep -q -- '-mcpu=\|-march='; then
283       echo "Warning: compiling for ARMv4, is that really what you want?"
284       echo "You probably should specify -mcpu= or -march= like this:"
285       echo "  CFLAGS=-march=armv6 ./configure ..."
286     fi
287   fi
288   if [ "$have_arm_neon" = "yes" -a "$have_armv7" != "yes" ]; then
289     echo "Warning: compiling for NEON, but not ARMv7?"
290     echo "You probably want to specify -mcpu= or -march= like this:"
291     echo "  CFLAGS=-march=armv7-a ./configure ..."
292   fi
293   have_arm_neon_asm=$have_arm_neon
294   ;;
295 aarch64)
296   have_arm_neon="yes"
297   have_arm_neon_asm="no"
298   if [ "x$builtin_gpu" = "x" ]; then
299     builtin_gpu="neon"
300   fi
301   ;;
302 x86_64)
303   enable_dynarec="no"
304   if [ "x$builtin_gpu" = "x" ]; then
305     builtin_gpu="neon"
306   fi
307   ;;
308 *)
309   # dynarec only available on ARM
310   enable_dynarec="no"
311   ;;
312 esac
313
314 if [ "x$builtin_gpu" = "x" ]; then
315   builtin_gpu="peops"
316 fi
317
318 # supposedly we can avoid -fPIC on armv5 for slightly better performace?
319 if [ "$ARCH" != "arm" -o "$have_armv6" = "yes" ]; then
320   PLUGIN_CFLAGS="$PLUGIN_CFLAGS -fPIC"
321 fi
322
323 case "$platform" in
324 generic)
325   need_sdl="yes"
326   ;;
327 maemo)
328   CFLAGS="$CFLAGS -DMAEMO -DMAEMO_CHANGES"
329   ;;
330 libretro)
331   CFLAGS="$CFLAGS -fPIC"
332   MAIN_LDFLAGS="$MAIN_LDFLAGS -shared -Wl,--no-undefined"
333   ;;
334 esac
335
336 # header/library presence tests
337 check_zlib()
338 {
339   cat > $TMPC <<EOF
340   #include <zlib.h>
341   int main(void) { uncompress(0, 0, 0, 0); }
342 EOF
343   compile_binary
344 }
345
346 check_libpng()
347 {
348   cat > $TMPC <<EOF
349   #include <png.h>
350   void main() { png_init_io(0, 0); }
351 EOF
352   compile_binary
353 }
354
355 check_oss()
356 {
357   cat > $TMPC <<EOF
358   #include <sys/soundcard.h>
359   #include <sys/ioctl.h>
360   void main() { int a=0; ioctl(0, SNDCTL_DSP_SETFMT, &a); }
361 EOF
362   compile_binary
363 }
364
365 check_alsa()
366 {
367   cat > $TMPC <<EOF
368   #include <alsa/asoundlib.h>
369   void main() { snd_pcm_open(0, 0, 0, 0); }
370 EOF
371   compile_binary "$@"
372 }
373
374 check_pulseaudio()
375 {
376   cat > $TMPC <<EOF
377   #include <pulse/pulseaudio.h>
378   void main() { pa_threaded_mainloop_new(); }
379 EOF
380   compile_binary "$@"
381 }
382
383 check_sdl()
384 {
385   cat > $TMPC <<EOF
386   #include <SDL.h>
387   void main() { SDL_OpenAudio(0, 0); }
388 EOF
389   compile_binary "$@"
390 }
391
392 check_xlib_headers()
393 {
394   cat > $TMPC <<EOF
395   #include <X11/Xlib.h>
396   void *f() { return XOpenDisplay(0); }
397 EOF
398   compile_object "$@"
399 }
400
401 # see if we have c64_tools for TI C64x DSP
402 check_c64_tools()
403 {
404   cat > $TMPC <<EOF
405   #include <inc_libc64_mini.h>
406   int f() { return dsp_open(); }
407 EOF
408   compile_object "$@"
409 }
410
411 MAIN_LDLIBS="$MAIN_LDLIBS -lz"
412 check_zlib || fail "please install zlib (libz-dev)"
413
414 MAIN_LDLIBS="-lpng $MAIN_LDLIBS"
415 check_libpng || fail "please install libpng (libpng-dev)"
416
417 # find what audio support we can compile
418 if [ "x$sound_drivers" = "x" ]; then
419   if check_oss; then sound_drivers="$sound_drivers oss"; fi
420   if check_alsa -lasound; then
421     sound_drivers="$sound_drivers alsa"
422     MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
423   fi
424   if check_pulseaudio -lpulse; then
425     sound_drivers="$sound_drivers pulseaudio"
426     MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
427   fi
428   if [ "$need_sdl" = "yes" ] || check_sdl `${SDL_CONFIG} --cflags --libs`; then
429     sound_drivers="$sound_drivers sdl"
430     need_sdl="yes"
431   fi
432 else
433   if echo $sound_drivers | grep -q "\<oss\>"; then
434     check_oss || fail "oss support is missing"
435   fi
436   if echo $sound_drivers | grep -q "\<alsa\>"; then
437     MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
438     check_alsa || fail "please install libasound2-dev"
439   fi
440   if echo $sound_drivers | grep -q "\<pulseaudio\>"; then
441     MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
442     check_pulseaudio || fail "pulseaudio support is missing"
443   fi
444 fi
445
446 if [ "$need_sdl" = "yes" ]; then
447   which ${SDL_CONFIG} > /dev/null || \
448     fail "sdl-config is missing; please install libsdl (libsdl1.2-dev)"
449   CFLAGS="$CFLAGS `${SDL_CONFIG} --cflags`"
450   MAIN_LDLIBS="`${SDL_CONFIG} --libs` $MAIN_LDLIBS"
451   check_sdl || fail "please install libsdl (libsdl1.2-dev)"
452 fi
453
454 # check for tslib (only headers needed)
455 if [ "x$have_tslib" = "x" ]; then
456   cat > $TMPC <<EOF
457   #include <tslib.h>
458   void test(struct ts_sample sample) {}
459 EOF
460   if compile_object; then
461     have_tslib="yes"
462   else
463     have_tslib="no"
464   fi
465 fi
466
467 # check for VideoCore stuff for Raspberry Pi
468 if [ -d /opt/vc/include -a -d /opt/vc/lib -a "$VIDEOCORE" != "no" ]; then
469   CFLAGS_GLES="$CFLAGS_GLES -I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
470   LDLIBS_GLES="$LDLIBS_GLES -L/opt/vc/lib"
471   if [ -f /opt/vc/lib/libbcm_host.so ]; then
472     LDLIBS_GLES="$LDLIBS_GLES -lbcm_host"
473   fi
474   need_xlib="yes"
475   VIDEOCORE="yes"
476 fi
477
478 # check for GLES headers
479 cat > $TMPC <<EOF
480 #include <GLES/gl.h>
481 #include <EGL/egl.h>
482 int main(void) {
483   return (int)eglGetDisplay( (EGLNativeDisplayType)0 );
484 }
485 EOF
486 if [ "$VIDEOCORE" = "yes" ] && compile_binary $CFLAGS_GLES -lbrcmEGL -lbrcmGLESv2 $LDLIBS_GLES; then
487   have_gles="yes"
488   LDLIBS_GLES="-lbrcmEGL -lbrcmGLESv2 $LDLIBS_GLES"
489 elif compile_binary $CFLAGS_GLES -lEGL -lGLES_CM $LDLIBS_GLES; then
490   have_gles="yes"
491   LDLIBS_GLES="-lEGL -lGLES_CM $LDLIBS_GLES"
492 elif compile_binary $CFLAGS_GLES -lEGL -lGLESv1_CM $LDLIBS_GLES; then
493   have_gles="yes"
494   LDLIBS_GLES="-lEGL -lGLESv1_CM $LDLIBS_GLES"
495 fi
496
497 if check_c64_tools; then
498   have_c64x_dsp="yes"
499 fi
500
501 if [ "$have_gles" = "yes" ]; then
502   plugins="$plugins plugins/gpu-gles/gpu_gles.so"
503 fi
504 if [ "$have_arm_neon" = "yes" -a "$builtin_gpu" != "neon" ]; then
505   plugins="$plugins plugins/gpu_neon/gpu_neon.so"
506 fi
507
508 # check for xlib (only headers needed)
509 if [ "x$need_xlib" = "xyes" ]; then
510   check_xlib_headers || fail "please install libx11-dev"
511 fi
512
513 sizeof_long=`check_define_val __SIZEOF_LONG__`
514 if [ "x$sizeof_long" = "x4" ]; then
515   CFLAGS="$CFLAGS -D_FILE_OFFSET_BITS=64"
516 fi
517
518 cat > $TMPC <<EOF
519 void test(void *f, void *d) { fread(d, 1, 1, f); }
520 EOF
521 if compile_object -Wno-unused-result; then
522   CFLAGS="$CFLAGS -Wno-unused-result"
523 fi
524
525 # short plugin list for display
526 for p in $plugins; do
527   p1=`basename $p`
528   plugins_short="$p1 $plugins_short"
529 done
530
531 # set things that failed to autodetect to "no"
532 test "x$have_armv6" != "x" || have_armv6="no"
533 test "x$have_armv7" != "x" || have_armv7="no"
534 test "x$have_arm_neon" != "x" || have_arm_neon="no"
535 test "x$have_arm_neon_asm" != "x" || have_arm_neon_asm="no"
536 test "x$have_gles" != "x" || have_gles="no"
537 test "x$have_c64x_dsp" != "x" || have_c64x_dsp="no"
538
539 echo "architecture        $ARCH"
540 echo "platform            $platform"
541 echo "built-in GPU        $builtin_gpu"
542 echo "sound drivers       $sound_drivers"
543 echo "plugins             $plugins_short"
544 echo "C compiler          $CC"
545 echo "C compiler flags    $CFLAGS"
546 echo "libraries           $MAIN_LDLIBS"
547 echo "linker flags        $LDFLAGS$MAIN_LDFLAGS"
548 echo "enable dynarec      $enable_dynarec"
549 if [ "$ARCH" = "arm" -o "$ARCH" = "aarch64" ]; then
550   echo "enable ARM NEON     $have_arm_neon"
551 fi
552 if [ "$ARCH" = "arm" ]; then
553   echo "ARMv7 optimizations $have_armv7"
554   echo "TI C64x DSP support $have_c64x_dsp"
555 fi
556 echo "tslib support       $have_tslib"
557 if [ "$platform" = "generic" ]; then
558   echo "OpenGL ES output    $have_gles"
559 fi
560
561 echo "# Automatically generated by configure" > $config_mak
562 printf "# Configured with:" >> $config_mak
563 printf " '%s'" "$0" "$@" >> $config_mak
564 echo >> $config_mak
565
566 echo "CC = $CC" >> $config_mak
567 echo "CXX = $CXX" >> $config_mak
568 echo "AS = $AS" >> $config_mak
569 echo "CFLAGS += $CFLAGS" >> $config_mak
570 echo "ASFLAGS += $ASFLAGS" >> $config_mak
571 echo "LDFLAGS += $LDFLAGS" >> $config_mak
572 echo "MAIN_LDFLAGS += $MAIN_LDFLAGS" >> $config_mak
573 echo "MAIN_LDLIBS += $MAIN_LDLIBS" >> $config_mak
574 echo "PLUGIN_CFLAGS += $PLUGIN_CFLAGS" >> $config_mak
575 echo >> $config_mak
576
577 if [ "$platform" = "libretro" ]; then
578   echo "TARGET = libretro.so" >> $config_mak
579 fi
580 echo "ARCH = $ARCH" >> $config_mak
581 echo "PLATFORM = $platform" >> $config_mak
582 echo "BUILTIN_GPU = $builtin_gpu" >> $config_mak
583 echo "SOUND_DRIVERS = $sound_drivers" >> $config_mak
584 echo "PLUGINS = $plugins" >> $config_mak
585 if [ "$have_arm_neon" = "yes" ]; then
586   echo "HAVE_NEON = 1" >> $config_mak
587 fi
588 if [ "$have_arm_neon_asm" = "yes" ]; then
589   echo "HAVE_NEON_ASM = 1" >> $config_mak
590 fi
591 if [ "$have_tslib" = "yes" ]; then
592   echo "HAVE_TSLIB = 1" >> $config_mak
593 fi
594 if [ "$have_gles" = "yes" ]; then
595   echo "HAVE_GLES = 1" >> $config_mak
596   echo "CFLAGS_GLES = $CFLAGS_GLES" >> $config_mak
597   echo "LDLIBS_GLES = $LDLIBS_GLES" >> $config_mak
598 fi
599 if [ "$enable_dynarec" = "yes" ]; then
600   echo "DYNAREC = ari64" >> $config_mak
601 fi
602 if [ "$drc_cache_base" = "yes" ]; then
603   echo "BASE_ADDR_DYNAMIC = 1" >> $config_mak
604 fi
605 if [ "$have_c64x_dsp" = "yes" ]; then
606   echo "HAVE_C64_TOOLS = 1" >> $config_mak
607 fi
608
609 # use pandora's skin (for now)
610 test -e skin || ln -s frontend/pandora/skin skin
611
612 # vim:shiftwidth=2:expandtab