drc: fix bugs in armv4 codepath
[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   echo "" > $TMPC
28   $CC -E -dD $CFLAGS $TMPC | grep -q $1 || return 1
29   return 0
30 }
31
32 # setting options to "yes" or "no" will make that choice default,
33 # "" means "autodetect".
34
35 platform_list="generic pandora maemo caanoo libretro"
36 platform="generic"
37 builtin_gpu_list="peops unai neon"
38 builtin_gpu=""
39 sound_driver_list="oss alsa pulseaudio sdl libretro"
40 sound_drivers=""
41 plugins="plugins/spunull/spunull.so \
42 plugins/dfxvideo/gpu_peops.so plugins/gpu_unai/gpu_unai.so"
43 ram_fixed="no"
44 drc_cache_base="no"
45 have_armv6=""
46 have_armv7=""
47 have_arm_neon=""
48 have_tslib=""
49 have_gles=""
50 enable_dynarec="yes"
51 need_sdl="no"
52 need_libpicofe="yes"
53 need_warm="no"
54 CFLAGS_GLES=""
55 LDLIBS_GLES=""
56 # these are for known platforms
57 optimize_cortexa8="no"
58 optimize_arm926ej="no"
59
60 # hardcoded stuff
61 CC="${CC-${CROSS_COMPILE}gcc}"
62 CXX="${CXX-${CROSS_COMPILE}g++}"
63 AS="${AS-${CROSS_COMPILE}as}"
64 AR="${AS-${CROSS_COMPILE}ar}"
65 MAIN_LDLIBS="$LDLIBS -ldl -lm"
66 config_mak="config.mak"
67
68 fail()
69 {
70   echo "$@"
71   exit 1
72 }
73
74 # call during arg parsing, so that cmd line can override platform defaults
75 set_platform()
76 {
77   platform=$1
78   case "$platform" in
79   generic)
80     ;;
81   pandora)
82     sound_drivers="oss alsa"
83     ram_fixed="yes"
84     drc_cache_base="yes"
85     optimize_cortexa8="yes"
86     have_arm_neon="yes"
87     ;;
88   maemo)
89     ram_fixed="yes"
90     drc_cache_base="yes"
91     optimize_cortexa8="yes"
92     have_arm_neon="yes"
93     ;;
94   caanoo)
95     sound_drivers="oss"
96     ram_fixed="yes"
97     drc_cache_base="yes"
98     optimize_arm926ej="yes"
99     need_warm="yes"
100     ;;
101   libretro)
102     sound_drivers="libretro"
103     need_libpicofe="no"
104     ;;
105   *)
106     fail "unsupported platform: $platform"
107     ;;
108   esac
109 }
110
111 for opt do
112   optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'` || true
113   case "$opt" in
114   --help|-h) show_help="yes"
115   ;;
116   --platform=*) set_platform "$optarg"
117   ;;
118   --gpu=*) builtin_gpu="$optarg"
119   ;;
120   --sound-drivers=*) sound_drivers="$optarg"
121   ;;
122   --enable-neon) have_arm_neon="yes"
123   ;;
124   --disable-neon) have_arm_neon="no"
125   ;;
126   --disable-dynarec) enable_dynarec="no"
127   ;;
128   *) echo "ERROR: unknown option $opt"; show_help="yes"
129   ;;
130   esac
131 done
132
133 if [ "$show_help" = "yes" ]; then
134   echo "options:"
135   echo "  --help                   print this message"
136   echo "  --platform=NAME          target platform [$platform]"
137   echo "                           available: $platform_list"
138   echo "  --gpu=NAME               builtin gpu plugin [guessed]"
139   echo "                           available: $builtin_gpu_list"
140   echo "  --sound-drivers=LIST     sound output drivers [guessed]"
141   echo "                           available: $sound_driver_list"
142   echo "  --enable-neon"
143   echo "  --disable-neon           enable/disable ARM NEON optimizations [guessed]"
144   echo "  --disable-dynarec        disable dynamic recompiler"
145   echo "                           (dynarec is only available and enabled on ARM)"
146   echo "influential environment variables:"
147   echo "  CROSS_COMPILE CC CXX AS AR CFLAGS ASFLAGS LDFLAGS LDLIBS"
148   exit 1
149 fi
150
151 # validate selections
152 if [ "x$builtin_gpu" != "x" ]; then
153   if ! echo $builtin_gpu_list | grep -q "\<$builtin_gpu\>"; then
154     fail "unsupported builtin gpu plugin: $builtin_gpu"
155   fi
156 fi
157
158 if [ "x$sound_drivers" != "x" ]; then
159   for d in $sound_drivers; do
160     if ! echo $sound_driver_list | grep -q "\<$d\>"; then
161       fail "unsupported sound driver: $sound_driver"
162     fi
163   done
164 fi
165
166 if [ "$need_libpicofe" = "yes" ]; then
167   if ! test -f "frontend/libpicofe/README"; then
168     fail "libpicofe is missing, please run 'git submodule init && git submodule update'"
169   fi
170 fi
171
172 if [ "$need_warm" = "yes" ]; then
173   if ! test -f "frontend/warm/README"; then
174     fail "wARM is missing, please run 'git submodule init && git submodule update'"
175   fi
176 fi
177
178 if [ -z "$ARCH" ]; then
179   ARCH=`$CC -v 2>&1 | grep -i 'target:' | awk '{print $2}' \
180         | awk -F '-' '{print $1}'`
181 fi
182
183 # ARM stuff
184 if [ "$ARCH" = "arm" ]; then
185   if [ "$optimize_cortexa8" = "yes" ]; then
186     CFLAGS="$CFLAGS -mcpu=cortex-a8 -mtune=cortex-a8"
187     ASFLAGS="$ASFLAGS -mcpu=cortex-a8"
188   fi
189   if [ "$optimize_arm926ej" = "yes" ]; then
190     CFLAGS="$CFLAGS -mcpu=arm926ej-s -mtune=arm926ej-s"
191     ASFLAGS="$ASFLAGS -mcpu=arm926ej-s -mfloat-abi=softfp"
192   fi
193
194   if [ "x$have_arm_neon" = "x" ]; then
195     # detect NEON from user-supplied cflags to enable asm code
196     have_arm_neon=`check_define __ARM_NEON__ && echo yes` || true
197   fi
198   if [ "x$have_armv6" = "x" ]; then
199     have_armv6=`check_define __ARM_ARCH_6 && echo yes` || true
200   fi
201   if [ "x$have_armv7" = "x" ]; then
202     if check_define __ARM_ARCH_7A__; then
203       have_armv6="yes"
204       have_armv7="yes"
205     fi
206   fi
207
208   if [ "x$builtin_gpu" = "x" ]; then
209     if [ "$have_arm_neon" = "yes" ]; then
210       builtin_gpu="neon"
211     elif [ "$have_armv7" != "yes" ]; then
212       # pre-ARMv7 hardware is usually not fast enough for peops
213       builtin_gpu="unai"
214     else
215       builtin_gpu="peops"
216     fi
217   fi
218
219   # automatically set mfpu and mfloat-abi if they are not set
220   if [ "$have_arm_neon" = "yes" ]; then
221     fpu="neon"
222   elif [ "$have_armv6" = "yes" ]; then
223     fpu="vfp"
224   fi
225   if [ "x$fpu" != "x" ]; then
226     echo "$CFLAGS" | grep -q -- '-mfpu=' || CFLAGS="$CFLAGS -mfpu=$fpu"
227     echo "$ASFLAGS" | grep -q -- '-mfpu=' || ASFLAGS="$ASFLAGS -mfpu=$fpu"
228     floatabi_set_by_gcc=`$CC -v 2>&1 | grep -q -- --with-float= && echo yes` || true
229     if [ "$floatabi_set_by_gcc" != "yes" ]; then
230       echo "$CFLAGS" | grep -q -- '-mfloat-abi=' || CFLAGS="$CFLAGS -mfloat-abi=softfp"
231       echo "$ASFLAGS" | grep -q -- '-mfloat-abi=' || ASFLAGS="$ASFLAGS -mfloat-abi=softfp"
232     fi
233   fi
234
235   # must disable thumb as recompiler can't handle it
236   if check_define __thumb__; then
237     CFLAGS="$CFLAGS -marm"
238   fi
239 else
240   # dynarec only available on ARM
241   enable_dynarec="no"
242 fi
243
244 if [ "x$builtin_gpu" = "x" ]; then
245   builtin_gpu="peops"
246 fi
247
248 # supposedly we can avoid -fPIC on armv5 for slightly better performace?
249 if [ "$ARCH" != "arm" -o "$have_armv6" = "yes" ]; then
250   PLUGIN_CFLAGS="$PLUGIN_CFLAGS -fPIC"
251 fi
252
253 if [ "$ram_fixed" = "yes" ]; then
254   CFLAGS="$CFLAGS -DRAM_FIXED"
255 fi
256
257 case "$platform" in
258 generic)
259   need_sdl="yes"
260   ;;
261 maemo)
262   maemo_cflags=`pkg-config --cflags hildon-1`
263   maemo_ldlibs=`pkg-config --libs hildon-1`
264   CFLAGS="$CFLAGS -DMAEMO -DMAEMO_CHANGES $maemo_cflags"
265   MAIN_LDLIBS="$MAIN_LDLIBS $maemo_ldlibs"
266   ;;
267 libretro)
268   CFLAGS="$CFLAGS -fPIC"
269   MAIN_LDFLAGS="$MAIN_LDFLAGS -shared -Wl,--no-undefined"
270   ;;
271 esac
272
273 # header/library presence tests
274 check_zlib()
275 {
276   cat > $TMPC <<EOF
277   #include <zlib.h>
278   int main(void) { uncompress(0, 0, 0, 0); }
279 EOF
280   compile_binary
281 }
282
283 check_libpng()
284 {
285   cat > $TMPC <<EOF
286   #include <png.h>
287   void main() { png_init_io(0, 0); }
288 EOF
289   compile_binary
290 }
291
292 check_oss()
293 {
294   cat > $TMPC <<EOF
295   #include <sys/soundcard.h>
296   #include <sys/ioctl.h>
297   void main() { int a=0; ioctl(0, SNDCTL_DSP_SETFMT, &a); }
298 EOF
299   compile_binary
300 }
301
302 check_alsa()
303 {
304   cat > $TMPC <<EOF
305   #include <alsa/asoundlib.h>
306   void main() { snd_pcm_open(0, 0, 0, 0); }
307 EOF
308   compile_binary "$@"
309 }
310
311 check_pulseaudio()
312 {
313   cat > $TMPC <<EOF
314   #include <pulse/pulseaudio.h>
315   void main() { pa_threaded_mainloop_new(); }
316 EOF
317   compile_binary "$@"
318 }
319
320 check_sdl()
321 {
322   cat > $TMPC <<EOF
323   #include <SDL.h>
324   void main() { SDL_OpenAudio(0, 0); }
325 EOF
326   compile_binary "$@"
327 }
328
329 MAIN_LDLIBS="$MAIN_LDLIBS -lz"
330 check_zlib || fail "please install zlib (libz-dev)"
331
332 MAIN_LDLIBS="-lpng $MAIN_LDLIBS"
333 check_libpng || fail "please install libpng (libpng-dev)"
334
335 # find what audio support we can compile
336 if [ "x$sound_drivers" = "x" ]; then
337   if check_oss; then sound_drivers="$sound_drivers oss"; fi
338   if check_alsa -lasound; then
339     sound_drivers="$sound_drivers alsa"
340     MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
341   fi
342   if check_pulseaudio -lpulse; then
343     sound_drivers="$sound_drivers pulseaudio"
344     MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
345   fi
346   if [ "$need_sdl" = "yes" ] || check_sdl `sdl-config --cflags --libs`; then
347     sound_drivers="$sound_drivers sdl"
348     need_sdl="yes"
349   fi
350 else
351   if echo $sound_drivers | grep -q "\<oss\>"; then
352     check_oss || fail "oss support is missing"
353   fi
354   if echo $sound_drivers | grep -q "\<alsa\>"; then
355     MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
356     check_alsa || fail "please install libasound2-dev"
357   fi
358   if echo $sound_drivers | grep -q "\<pulseaudio\>"; then
359     MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
360     check_pulseaudio || fail "pulseaudio support is missing"
361   fi
362 fi
363
364 if [ "$need_sdl" = "yes" ]; then
365   which sdl-config > /dev/null || \
366     fail "sdl-config is missing; please install libsdl (libsdl1.2-dev)"
367   CFLAGS="$CFLAGS `sdl-config --cflags`"
368   MAIN_LDLIBS="`sdl-config --libs` $MAIN_LDLIBS"
369   check_sdl || fail "please install libsdl (libsdl1.2-dev)"
370 fi
371
372 # check for tslib (only headers needed)
373 if [ "x$have_tslib" = "x" ]; then
374   cat > $TMPC <<EOF
375   #include <tslib.h>
376   void test(struct ts_sample sample) {}
377 EOF
378   if compile_object; then
379     have_tslib="yes"
380   else
381     have_tslib="no"
382   fi
383 fi
384
385 # check for VideoCore stuff for Raspberry Pi
386 if [ -d /opt/vc/include -a -d /opt/vc/lib ]; then
387   CFLAGS_GLES="$CFLAGS_GLES -I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads"
388   LDLIBS_GLES="$LDLIBS_GLES -L/opt/vc/lib"
389 fi
390
391 # check for GLES headers
392 cat > $TMPC <<EOF
393 #include <GLES/gl.h>
394 #include <EGL/egl.h>
395 int main(void) {
396   return (int)eglGetDisplay( (EGLNativeDisplayType)0 );
397 }
398 EOF
399 if compile_binary $CFLAGS_GLES -lEGL -lGLES_CM $LDLIBS_GLES; then
400   have_gles="yes"
401   LDLIBS_GLES="-lEGL -lGLES_CM $LDLIBS_GLES"
402 elif compile_binary $CFLAGS_GLES -lEGL -lGLESv1_CM $LDLIBS_GLES; then
403   have_gles="yes"
404   LDLIBS_GLES="-lEGL -lGLESv1_CM $LDLIBS_GLES"
405 fi
406
407 if [ "$have_gles" = "yes" ]; then
408   plugins="$plugins plugins/gpu-gles/gpu_gles.so"
409 fi
410 if [ "$have_arm_neon" = "yes" -a "$builtin_gpu" != "neon" ]; then
411   plugins="$plugins plugins/gpu_neon/gpu_neon.so"
412 fi
413
414 cat > $TMPC <<EOF
415 void test(void *f, void *d) { fread(d, 1, 1, f); }
416 EOF
417 if compile_object -Wno-unused-result; then
418   CFLAGS="$CFLAGS -Wno-unused-result"
419 fi
420
421 # short plugin list for display
422 for p in $plugins; do
423   p1=`basename $p`
424   plugins_short="$p1 $plugins_short"
425 done
426
427 # set things that failed to autodetect to "no"
428 test "x$have_armv6" != "x" || have_armv6="no"
429 test "x$have_armv7" != "x" || have_armv7="no"
430 test "x$have_arm_neon" != "x" || have_arm_neon="no"
431
432 echo "architecture        $ARCH"
433 echo "platform            $platform"
434 echo "built-in GPU        $builtin_gpu"
435 echo "sound drivers       $sound_drivers"
436 echo "plugins             $plugins_short"
437 echo "C compiler          $CC"
438 echo "C compiler flags    $CFLAGS"
439 echo "libraries           $MAIN_LDLIBS"
440 echo "linker flags        $LDFLAGS$MAIN_LDFLAGS"
441 echo "enable dynarec      $enable_dynarec"
442 echo "ARMv7 optimizations $have_armv7"
443 echo "enable ARM NEON     $have_arm_neon"
444 echo "tslib support       $have_tslib"
445 if [ "$platform" = "generic" ]; then
446   echo "OpenGL ES output    $have_gles"
447 fi
448
449 echo "# Automatically generated by configure" > $config_mak
450 printf "# Configured with:" >> $config_mak
451 printf " '%s'" "$0" "$@" >> $config_mak
452 echo >> $config_mak
453
454 echo "CC = $CC" >> $config_mak
455 echo "CXX = $CXX" >> $config_mak
456 echo "AS = $AS" >> $config_mak
457 echo "CFLAGS += $CFLAGS" >> $config_mak
458 echo "ASFLAGS += $ASFLAGS" >> $config_mak
459 echo "LDFLAGS += $LDFLAGS" >> $config_mak
460 echo "MAIN_LDFLAGS += $MAIN_LDFLAGS" >> $config_mak
461 echo "MAIN_LDLIBS += $MAIN_LDLIBS" >> $config_mak
462 echo "PLUGIN_CFLAGS += $PLUGIN_CFLAGS" >> $config_mak
463 echo >> $config_mak
464
465 if [ "$platform" = "libretro" ]; then
466   echo "TARGET = libretro.so" >> $config_mak
467 fi
468 echo "ARCH = $ARCH" >> $config_mak
469 echo "PLATFORM = $platform" >> $config_mak
470 echo "BUILTIN_GPU = $builtin_gpu" >> $config_mak
471 echo "SOUND_DRIVERS = $sound_drivers" >> $config_mak
472 echo "PLUGINS = $plugins" >> $config_mak
473 if [ "$have_arm_neon" = "yes" ]; then
474   echo "HAVE_NEON = 1" >> $config_mak
475 fi
476 if [ "$have_tslib" = "yes" ]; then
477   echo "HAVE_TSLIB = 1" >> $config_mak
478 fi
479 if [ "$have_gles" = "yes" ]; then
480   echo "HAVE_GLES = 1" >> $config_mak
481   echo "CFLAGS_GLES = $CFLAGS_GLES" >> $config_mak
482   echo "LDLIBS_GLES = $LDLIBS_GLES" >> $config_mak
483 fi
484 if [ "$enable_dynarec" = "yes" ]; then
485   echo "USE_DYNAREC = 1" >> $config_mak
486 fi
487 if [ "$drc_cache_base" = "yes" ]; then
488   echo "DRC_CACHE_BASE = 1" >> $config_mak
489 fi
490
491 # use pandora's skin (for now)
492 test -e skin || ln -s frontend/pandora/skin skin
493
494 # vim:shiftwidth=2:expandtab