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