revive standalone 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 check_define_val()
32 {
33   $CC -E -dD $CFLAGS include/arm_features.h | grep "$1" | awk '{print $3}'
34   return 0
35 }
36
37 # setting options to "yes" or "no" will make that choice default,
38 # "" means "autodetect".
39
40 platform_list="generic pandora maemo caanoo libretro"
41 platform="generic"
42 builtin_gpu_list="peops unai neon"
43 builtin_gpu=""
44 sound_driver_list="oss alsa pulseaudio sdl libretro"
45 sound_drivers=""
46 plugins="plugins/spunull/spunull.so \
47 plugins/dfxvideo/gpu_peops.so plugins/gpu_unai/gpu_unai.so"
48 drc_cache_base="no"
49 have_armv5=""
50 have_armv6=""
51 have_armv7=""
52 have_arm_neon=""
53 have_tslib=""
54 have_gles=""
55 have_c64x_dsp=""
56 enable_dynarec="yes"
57 need_sdl="no"
58 need_xlib="no"
59 need_libpicofe="yes"
60 need_warm="no"
61 CFLAGS_GLES=""
62 LDLIBS_GLES=""
63 # these are for known platforms
64 optimize_cortexa8="no"
65 optimize_arm926ej="no"
66
67 # hardcoded stuff
68 CC="${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: $sound_driver_list"
148   echo "  --enable-neon"
149   echo "  --disable-neon           enable/disable ARM NEON optimizations [guessed]"
150   echo "  --disable-dynarec        disable dynamic recompiler"
151   echo "                           (dynarec is only available and enabled on ARM)"
152   echo "influential environment variables:"
153   echo "  CROSS_COMPILE CC CXX AS AR CFLAGS ASFLAGS LDFLAGS LDLIBS"
154   exit 1
155 fi
156
157 # validate selections
158 if [ "x$builtin_gpu" != "x" ]; then
159   if ! echo $builtin_gpu_list | grep -q "\<$builtin_gpu\>"; then
160     fail "unsupported builtin gpu plugin: $builtin_gpu"
161   fi
162 fi
163
164 if [ "x$sound_drivers" != "x" ]; then
165   for d in $sound_drivers; do
166     if ! echo $sound_driver_list | grep -q "\<$d\>"; then
167       fail "unsupported sound driver: $sound_driver"
168     fi
169   done
170 fi
171
172 if [ "$need_libpicofe" = "yes" ]; then
173   if ! test -f "frontend/libpicofe/README"; then
174     fail "libpicofe is missing, please run 'git submodule init && git submodule update'"
175   fi
176 fi
177
178 if [ "$need_warm" = "yes" ]; then
179   if ! test -f "frontend/warm/README"; then
180     fail "wARM is missing, please run 'git submodule init && git submodule update'"
181   fi
182 fi
183
184 # basic compiler test
185 cat > $TMPC <<EOF
186 #include <zlib.h>
187 int main(void) { return 0; }
188 EOF
189 if ! compile_binary; then
190   fail "compiler test failed, please check config.log"
191 fi
192
193 if [ -z "$ARCH" ]; then
194   ARCH=`$CC -dumpmachine | awk -F '-' '{print $1}'`
195 fi
196
197 case "$ARCH" in
198 arm*)
199   # ARM stuff
200   ARCH="arm"
201
202   if [ "$optimize_cortexa8" = "yes" ]; then
203     CFLAGS="$CFLAGS -mcpu=cortex-a8 -mtune=cortex-a8"
204     ASFLAGS="$ASFLAGS -mcpu=cortex-a8"
205   fi
206   if [ "$optimize_arm926ej" = "yes" ]; then
207     CFLAGS="$CFLAGS -mcpu=arm926ej-s -mtune=arm926ej-s"
208     ASFLAGS="$ASFLAGS -mcpu=arm926ej-s -mfloat-abi=softfp"
209   fi
210
211   if [ "x$have_arm_neon" = "x" ]; then
212     # detect NEON from user-supplied cflags to enable asm code
213     have_arm_neon=`check_define __ARM_NEON__ && echo yes` || true
214   fi
215   if [ "x$have_armv7" = "x" ]; then
216     if check_define HAVE_ARMV7; then
217       have_armv7="yes"
218       have_armv6="yes"
219       have_armv5="yes"
220     fi
221   fi
222   if [ "x$have_armv6" = "x" ]; then
223     if check_define HAVE_ARMV6; then
224       have_armv6="yes"
225       have_armv5="yes"
226     fi
227   fi
228   if [ "x$have_armv5" = "x" ]; then
229     have_armv5=`check_define HAVE_ARMV5 && echo yes` || true
230   fi
231
232   if [ "x$builtin_gpu" = "x" ]; then
233     if [ "$have_arm_neon" = "yes" ]; then
234       builtin_gpu="neon"
235     elif [ "$have_armv7" != "yes" ]; then
236       # pre-ARMv7 hardware is usually not fast enough for peops
237       builtin_gpu="unai"
238     else
239       builtin_gpu="peops"
240     fi
241   fi
242
243   # automatically set mfpu and mfloat-abi if they are not set
244   if [ "$have_arm_neon" = "yes" ]; then
245     fpu="neon"
246   elif [ "$have_armv6" = "yes" ]; then
247     fpu="vfp"
248   fi
249   if [ "x$fpu" != "x" ]; then
250     echo "$CFLAGS" | grep -q -- '-mfpu=' || CFLAGS="$CFLAGS -mfpu=$fpu"
251     echo "$ASFLAGS" | grep -q -- '-mfpu=' || ASFLAGS="$ASFLAGS -mfpu=$fpu"
252     floatabi_set_by_gcc=`$CC -v 2>&1 | grep -q -- --with-float= && echo yes` || true
253     if [ "$floatabi_set_by_gcc" != "yes" ]; then
254       echo "$CFLAGS" | grep -q -- '-mfloat-abi=' || CFLAGS="$CFLAGS -mfloat-abi=softfp"
255       echo "$ASFLAGS" | grep -q -- '-mfloat-abi=' || ASFLAGS="$ASFLAGS -mfloat-abi=softfp"
256     fi
257   fi
258
259   # must disable thumb as recompiler can't handle it
260   if check_define __thumb__; then
261     CFLAGS="$CFLAGS -marm"
262   fi
263
264   # warn about common mistakes
265   if [ "$have_armv5" != "yes" ]; then
266     if ! echo "$CFLAGS" | grep -q -- '-mcpu=\|-march='; then
267       echo "Warning: compiling for ARMv4, is that really what you want?"
268       echo "You probably should specify -mcpu= or -march= like this:"
269       echo "  CFLAGS=-march=armv6 ./configure ..."
270     fi
271   fi
272   if [ "$have_arm_neon" = "yes" -a "$have_armv7" != "yes" ]; then
273     echo "Warning: compiling for NEON, but not ARMv7?"
274     echo "You probably want to specify -mcpu= or -march= like this:"
275     echo "  CFLAGS=-march=armv7-a ./configure ..."
276   fi
277   ;;
278 aarch64)
279   ;;
280 *)
281   # dynarec only available on ARM
282   enable_dynarec="no"
283   ;;
284 esac
285
286 if [ "x$builtin_gpu" = "x" ]; then
287   builtin_gpu="peops"
288 fi
289
290 # supposedly we can avoid -fPIC on armv5 for slightly better performace?
291 if [ "$ARCH" != "arm" -o "$have_armv6" = "yes" ]; then
292   PLUGIN_CFLAGS="$PLUGIN_CFLAGS -fPIC"
293 fi
294
295 case "$platform" in
296 generic)
297   need_sdl="yes"
298   ;;
299 maemo)
300   CFLAGS="$CFLAGS -DMAEMO -DMAEMO_CHANGES"
301   ;;
302 libretro)
303   CFLAGS="$CFLAGS -fPIC"
304   MAIN_LDFLAGS="$MAIN_LDFLAGS -shared -Wl,--no-undefined"
305   ;;
306 esac
307
308 # header/library presence tests
309 check_zlib()
310 {
311   cat > $TMPC <<EOF
312   #include <zlib.h>
313   int main(void) { uncompress(0, 0, 0, 0); }
314 EOF
315   compile_binary
316 }
317
318 check_libpng()
319 {
320   cat > $TMPC <<EOF
321   #include <png.h>
322   void main() { png_init_io(0, 0); }
323 EOF
324   compile_binary
325 }
326
327 check_oss()
328 {
329   cat > $TMPC <<EOF
330   #include <sys/soundcard.h>
331   #include <sys/ioctl.h>
332   void main() { int a=0; ioctl(0, SNDCTL_DSP_SETFMT, &a); }
333 EOF
334   compile_binary
335 }
336
337 check_alsa()
338 {
339   cat > $TMPC <<EOF
340   #include <alsa/asoundlib.h>
341   void main() { snd_pcm_open(0, 0, 0, 0); }
342 EOF
343   compile_binary "$@"
344 }
345
346 check_pulseaudio()
347 {
348   cat > $TMPC <<EOF
349   #include <pulse/pulseaudio.h>
350   void main() { pa_threaded_mainloop_new(); }
351 EOF
352   compile_binary "$@"
353 }
354
355 check_sdl()
356 {
357   cat > $TMPC <<EOF
358   #include <SDL.h>
359   void main() { SDL_OpenAudio(0, 0); }
360 EOF
361   compile_binary "$@"
362 }
363
364 check_xlib_headers()
365 {
366   cat > $TMPC <<EOF
367   #include <X11/Xlib.h>
368   void *f() { return XOpenDisplay(0); }
369 EOF
370   compile_object "$@"
371 }
372
373 # see if we have c64_tools for TI C64x DSP
374 check_c64_tools()
375 {
376   cat > $TMPC <<EOF
377   #include <inc_libc64_mini.h>
378   int f() { return dsp_open(); }
379 EOF
380   compile_object "$@"
381 }
382
383 MAIN_LDLIBS="$MAIN_LDLIBS -lz"
384 check_zlib || fail "please install zlib (libz-dev)"
385
386 MAIN_LDLIBS="-lpng $MAIN_LDLIBS"
387 check_libpng || fail "please install libpng (libpng-dev)"
388
389 # find what audio support we can compile
390 if [ "x$sound_drivers" = "x" ]; then
391   if check_oss; then sound_drivers="$sound_drivers oss"; fi
392   if check_alsa -lasound; then
393     sound_drivers="$sound_drivers alsa"
394     MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
395   fi
396   if check_pulseaudio -lpulse; then
397     sound_drivers="$sound_drivers pulseaudio"
398     MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
399   fi
400   if [ "$need_sdl" = "yes" ] || check_sdl `sdl-config --cflags --libs`; then
401     sound_drivers="$sound_drivers sdl"
402     need_sdl="yes"
403   fi
404 else
405   if echo $sound_drivers | grep -q "\<oss\>"; then
406     check_oss || fail "oss support is missing"
407   fi
408   if echo $sound_drivers | grep -q "\<alsa\>"; then
409     MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
410     check_alsa || fail "please install libasound2-dev"
411   fi
412   if echo $sound_drivers | grep -q "\<pulseaudio\>"; then
413     MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
414     check_pulseaudio || fail "pulseaudio support is missing"
415   fi
416 fi
417
418 if [ "$need_sdl" = "yes" ]; then
419   which sdl-config > /dev/null || \
420     fail "sdl-config is missing; please install libsdl (libsdl1.2-dev)"
421   CFLAGS="$CFLAGS `sdl-config --cflags`"
422   MAIN_LDLIBS="`sdl-config --libs` $MAIN_LDLIBS"
423   check_sdl || fail "please install libsdl (libsdl1.2-dev)"
424 fi
425
426 # check for tslib (only headers needed)
427 if [ "x$have_tslib" = "x" ]; then
428   cat > $TMPC <<EOF
429   #include <tslib.h>
430   void test(struct ts_sample sample) {}
431 EOF
432   if compile_object; then
433     have_tslib="yes"
434   else
435     have_tslib="no"
436   fi
437 fi
438
439 # check for VideoCore stuff for Raspberry Pi
440 if [ -d /opt/vc/include -a -d /opt/vc/lib -a "$VIDEOCORE" != "no" ]; then
441   CFLAGS_GLES="$CFLAGS_GLES -I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads -I/opt/vc/include/interface/vmcs_host/linux"
442   LDLIBS_GLES="$LDLIBS_GLES -L/opt/vc/lib"
443   if [ -f /opt/vc/lib/libbcm_host.so ]; then
444     LDLIBS_GLES="$LDLIBS_GLES -lbcm_host"
445   fi
446   need_xlib="yes"
447   VIDEOCORE="yes"
448 fi
449
450 # check for GLES headers
451 cat > $TMPC <<EOF
452 #include <GLES/gl.h>
453 #include <EGL/egl.h>
454 int main(void) {
455   return (int)eglGetDisplay( (EGLNativeDisplayType)0 );
456 }
457 EOF
458 if [ "$VIDEOCORE" = "yes" ] && compile_binary $CFLAGS_GLES -lbrcmEGL -lbrcmGLESv2 $LDLIBS_GLES; then
459   have_gles="yes"
460   LDLIBS_GLES="-lbrcmEGL -lbrcmGLESv2 $LDLIBS_GLES"
461 elif compile_binary $CFLAGS_GLES -lEGL -lGLES_CM $LDLIBS_GLES; then
462   have_gles="yes"
463   LDLIBS_GLES="-lEGL -lGLES_CM $LDLIBS_GLES"
464 elif compile_binary $CFLAGS_GLES -lEGL -lGLESv1_CM $LDLIBS_GLES; then
465   have_gles="yes"
466   LDLIBS_GLES="-lEGL -lGLESv1_CM $LDLIBS_GLES"
467 fi
468
469 if check_c64_tools; then
470   have_c64x_dsp="yes"
471 fi
472
473 if [ "$have_gles" = "yes" ]; then
474   plugins="$plugins plugins/gpu-gles/gpu_gles.so"
475 fi
476 if [ "$have_arm_neon" = "yes" -a "$builtin_gpu" != "neon" ]; then
477   plugins="$plugins plugins/gpu_neon/gpu_neon.so"
478 fi
479
480 # check for xlib (only headers needed)
481 if [ "x$need_xlib" = "xyes" ]; then
482   check_xlib_headers || fail "please install libx11-dev"
483 fi
484
485 sizeof_long=`check_define_val __SIZEOF_LONG__`
486 if [ "x$sizeof_long" = "x4" ]; then
487   CFLAGS="$CFLAGS -D_FILE_OFFSET_BITS=64"
488 fi
489
490 cat > $TMPC <<EOF
491 void test(void *f, void *d) { fread(d, 1, 1, f); }
492 EOF
493 if compile_object -Wno-unused-result; then
494   CFLAGS="$CFLAGS -Wno-unused-result"
495 fi
496
497 # short plugin list for display
498 for p in $plugins; do
499   p1=`basename $p`
500   plugins_short="$p1 $plugins_short"
501 done
502
503 # set things that failed to autodetect to "no"
504 test "x$have_armv6" != "x" || have_armv6="no"
505 test "x$have_armv7" != "x" || have_armv7="no"
506 test "x$have_arm_neon" != "x" || have_arm_neon="no"
507 test "x$have_gles" != "x" || have_gles="no"
508 test "x$have_c64x_dsp" != "x" || have_c64x_dsp="no"
509
510 echo "architecture        $ARCH"
511 echo "platform            $platform"
512 echo "built-in GPU        $builtin_gpu"
513 echo "sound drivers       $sound_drivers"
514 echo "plugins             $plugins_short"
515 echo "C compiler          $CC"
516 echo "C compiler flags    $CFLAGS"
517 echo "libraries           $MAIN_LDLIBS"
518 echo "linker flags        $LDFLAGS$MAIN_LDFLAGS"
519 echo "enable dynarec      $enable_dynarec"
520 if [ "$ARCH" = "arm" ]; then
521   echo "ARMv7 optimizations $have_armv7"
522   echo "enable ARM NEON     $have_arm_neon"
523   echo "TI C64x DSP support $have_c64x_dsp"
524 fi
525 echo "tslib support       $have_tslib"
526 if [ "$platform" = "generic" ]; then
527   echo "OpenGL ES output    $have_gles"
528 fi
529
530 echo "# Automatically generated by configure" > $config_mak
531 printf "# Configured with:" >> $config_mak
532 printf " '%s'" "$0" "$@" >> $config_mak
533 echo >> $config_mak
534
535 echo "CC = $CC" >> $config_mak
536 echo "CXX = $CXX" >> $config_mak
537 echo "AS = $AS" >> $config_mak
538 echo "CFLAGS += $CFLAGS" >> $config_mak
539 echo "ASFLAGS += $ASFLAGS" >> $config_mak
540 echo "LDFLAGS += $LDFLAGS" >> $config_mak
541 echo "MAIN_LDFLAGS += $MAIN_LDFLAGS" >> $config_mak
542 echo "MAIN_LDLIBS += $MAIN_LDLIBS" >> $config_mak
543 echo "PLUGIN_CFLAGS += $PLUGIN_CFLAGS" >> $config_mak
544 echo >> $config_mak
545
546 if [ "$platform" = "libretro" ]; then
547   echo "TARGET = libretro.so" >> $config_mak
548 fi
549 echo "ARCH = $ARCH" >> $config_mak
550 echo "PLATFORM = $platform" >> $config_mak
551 echo "BUILTIN_GPU = $builtin_gpu" >> $config_mak
552 echo "SOUND_DRIVERS = $sound_drivers" >> $config_mak
553 echo "PLUGINS = $plugins" >> $config_mak
554 if [ "$have_arm_neon" = "yes" ]; then
555   echo "HAVE_NEON = 1" >> $config_mak
556 fi
557 if [ "$have_tslib" = "yes" ]; then
558   echo "HAVE_TSLIB = 1" >> $config_mak
559 fi
560 if [ "$have_gles" = "yes" ]; then
561   echo "HAVE_GLES = 1" >> $config_mak
562   echo "CFLAGS_GLES = $CFLAGS_GLES" >> $config_mak
563   echo "LDLIBS_GLES = $LDLIBS_GLES" >> $config_mak
564 fi
565 if [ "$enable_dynarec" = "yes" ]; then
566   echo "DYNAREC = ari64" >> $config_mak
567 fi
568 if [ "$drc_cache_base" = "yes" ]; then
569   echo "BASE_ADDR_DYNAMIC = 1" >> $config_mak
570 fi
571 if [ "$have_c64x_dsp" = "yes" ]; then
572   echo "HAVE_C64_TOOLS = 1" >> $config_mak
573 fi
574
575 # use pandora's skin (for now)
576 test -e skin || ln -s frontend/pandora/skin skin
577
578 # vim:shiftwidth=2:expandtab