Merge git://github.com/notaz/pcsx_rearmed
[pcsx_rearmed.git] / configure
... / ...
CommitLineData
1#!/bin/sh
2# some elements originated from qemu configure
3set -e
4
5TMPC="/tmp/pcsx-conf-${RANDOM}-$$-${RANDOM}.c"
6TMPO="/tmp/pcsx-conf-${RANDOM}-$$-${RANDOM}.o"
7TMPB="/tmp/pcsx-conf-${RANDOM}-$$-${RANDOM}"
8trap "rm -f $TMPC $TMPO $TMPB" EXIT INT QUIT TERM
9rm -f config.log
10
11compile_object()
12{
13 c="$CC $CFLAGS -c $TMPC -o $TMPO $@"
14 echo $c >> config.log
15 $c >> config.log 2>&1
16}
17
18compile_binary()
19{
20 c="$CC $CFLAGS $TMPC -o $TMPB $LDFLAGS $MAIN_LDLIBS $@"
21 echo $c >> config.log
22 $c >> config.log 2>&1
23}
24
25check_define()
26{
27 $CC -E -dD $CFLAGS include/arm_features.h | grep -q $1 || return 1
28 return 0
29}
30
31# setting options to "yes" or "no" will make that choice default,
32# "" means "autodetect".
33
34platform_list="generic pandora maemo caanoo libretro"
35platform="generic"
36builtin_gpu_list="peops unai neon"
37builtin_gpu=""
38sound_driver_list="oss alsa pulseaudio sdl libretro"
39sound_drivers=""
40plugins="plugins/spunull/spunull.so \
41plugins/dfxvideo/gpu_peops.so plugins/gpu_unai/gpu_unai.so"
42ram_fixed="no"
43drc_cache_base="no"
44have_armv5=""
45have_armv6=""
46have_armv7=""
47have_arm_neon=""
48have_tslib=""
49have_gles=""
50enable_dynarec="yes"
51need_sdl="no"
52need_xlib="no"
53need_libpicofe="yes"
54need_warm="no"
55CFLAGS_GLES=""
56LDLIBS_GLES=""
57# these are for known platforms
58optimize_cortexa8="no"
59optimize_arm926ej="no"
60
61# hardcoded stuff
62CC="${CC-${CROSS_COMPILE}gcc}"
63CXX="${CXX-${CROSS_COMPILE}g++}"
64AS="${AS-${CROSS_COMPILE}as}"
65AR="${AS-${CROSS_COMPILE}ar}"
66MAIN_LDLIBS="$LDLIBS -ldl -lm -lpthread"
67config_mak="config.mak"
68
69fail()
70{
71 echo "$@"
72 exit 1
73}
74
75# call during arg parsing, so that cmd line can override platform defaults
76set_platform()
77{
78 platform=$1
79 case "$platform" in
80 generic)
81 ;;
82 pandora)
83 sound_drivers="oss alsa"
84 ram_fixed="yes"
85 drc_cache_base="yes"
86 optimize_cortexa8="yes"
87 have_arm_neon="yes"
88 need_xlib="yes"
89 ;;
90 maemo)
91 ram_fixed="yes"
92 drc_cache_base="yes"
93 optimize_cortexa8="yes"
94 have_arm_neon="yes"
95 ;;
96 caanoo)
97 sound_drivers="oss"
98 ram_fixed="yes"
99 drc_cache_base="yes"
100 optimize_arm926ej="yes"
101 need_warm="yes"
102 ;;
103 libretro)
104 sound_drivers="libretro"
105 need_libpicofe="no"
106 ;;
107 *)
108 fail "unsupported platform: $platform"
109 ;;
110 esac
111}
112
113for opt do
114 optarg=`expr "x$opt" : 'x[^=]*=\(.*\)'` || true
115 case "$opt" in
116 --help|-h) show_help="yes"
117 ;;
118 --platform=*) set_platform "$optarg"
119 ;;
120 --gpu=*) builtin_gpu="$optarg"
121 ;;
122 --sound-drivers=*) sound_drivers="$optarg"
123 ;;
124 --enable-neon) have_arm_neon="yes"
125 ;;
126 --disable-neon) have_arm_neon="no"
127 ;;
128 --disable-dynarec) enable_dynarec="no"
129 ;;
130 *) echo "ERROR: unknown option $opt"; show_help="yes"
131 ;;
132 esac
133done
134
135if [ "$show_help" = "yes" ]; then
136 echo "options:"
137 echo " --help print this message"
138 echo " --platform=NAME target platform [$platform]"
139 echo " available: $platform_list"
140 echo " --gpu=NAME builtin gpu plugin [guessed]"
141 echo " available: $builtin_gpu_list"
142 echo " --sound-drivers=LIST sound output drivers [guessed]"
143 echo " available: $sound_driver_list"
144 echo " --enable-neon"
145 echo " --disable-neon enable/disable ARM NEON optimizations [guessed]"
146 echo " --disable-dynarec disable dynamic recompiler"
147 echo " (dynarec is only available and enabled on ARM)"
148 echo "influential environment variables:"
149 echo " CROSS_COMPILE CC CXX AS AR CFLAGS ASFLAGS LDFLAGS LDLIBS"
150 exit 1
151fi
152
153# validate selections
154if [ "x$builtin_gpu" != "x" ]; then
155 if ! echo $builtin_gpu_list | grep -q "\<$builtin_gpu\>"; then
156 fail "unsupported builtin gpu plugin: $builtin_gpu"
157 fi
158fi
159
160if [ "x$sound_drivers" != "x" ]; then
161 for d in $sound_drivers; do
162 if ! echo $sound_driver_list | grep -q "\<$d\>"; then
163 fail "unsupported sound driver: $sound_driver"
164 fi
165 done
166fi
167
168if [ "$need_libpicofe" = "yes" ]; then
169 if ! test -f "frontend/libpicofe/README"; then
170 fail "libpicofe is missing, please run 'git submodule init && git submodule update'"
171 fi
172fi
173
174if [ "$need_warm" = "yes" ]; then
175 if ! test -f "frontend/warm/README"; then
176 fail "wARM is missing, please run 'git submodule init && git submodule update'"
177 fi
178fi
179
180# basic compiler test
181cat > $TMPC <<EOF
182#include <zlib.h>
183int main(void) { return 0; }
184EOF
185if ! compile_binary; then
186 fail "compiler test failed, please check config.log"
187fi
188
189if [ -z "$ARCH" ]; then
190 ARCH=`$CC -dumpmachine | awk -F '-' '{print $1}'`
191fi
192
193case "$ARCH" in
194arm*)
195 # ARM stuff
196 ARCH="arm"
197
198 if [ "$optimize_cortexa8" = "yes" ]; then
199 CFLAGS="$CFLAGS -mcpu=cortex-a8 -mtune=cortex-a8"
200 ASFLAGS="$ASFLAGS -mcpu=cortex-a8"
201 fi
202 if [ "$optimize_arm926ej" = "yes" ]; then
203 CFLAGS="$CFLAGS -mcpu=arm926ej-s -mtune=arm926ej-s"
204 ASFLAGS="$ASFLAGS -mcpu=arm926ej-s -mfloat-abi=softfp"
205 fi
206
207 if [ "x$have_arm_neon" = "x" ]; then
208 # detect NEON from user-supplied cflags to enable asm code
209 have_arm_neon=`check_define __ARM_NEON__ && echo yes` || true
210 fi
211 if [ "x$have_armv7" = "x" ]; then
212 if check_define HAVE_ARMV7; then
213 have_armv7="yes"
214 have_armv6="yes"
215 have_armv5="yes"
216 fi
217 fi
218 if [ "x$have_armv6" = "x" ]; then
219 if check_define HAVE_ARMV6; then
220 have_armv6="yes"
221 have_armv5="yes"
222 fi
223 fi
224 if [ "x$have_armv5" = "x" ]; then
225 have_armv5=`check_define HAVE_ARMV5 && echo yes` || true
226 fi
227
228 if [ "x$builtin_gpu" = "x" ]; then
229 if [ "$have_arm_neon" = "yes" ]; then
230 builtin_gpu="neon"
231 elif [ "$have_armv7" != "yes" ]; then
232 # pre-ARMv7 hardware is usually not fast enough for peops
233 builtin_gpu="unai"
234 else
235 builtin_gpu="peops"
236 fi
237 fi
238
239 # automatically set mfpu and mfloat-abi if they are not set
240 if [ "$have_arm_neon" = "yes" ]; then
241 fpu="neon"
242 elif [ "$have_armv6" = "yes" ]; then
243 fpu="vfp"
244 fi
245 if [ "x$fpu" != "x" ]; then
246 echo "$CFLAGS" | grep -q -- '-mfpu=' || CFLAGS="$CFLAGS -mfpu=$fpu"
247 echo "$ASFLAGS" | grep -q -- '-mfpu=' || ASFLAGS="$ASFLAGS -mfpu=$fpu"
248 floatabi_set_by_gcc=`$CC -v 2>&1 | grep -q -- --with-float= && echo yes` || true
249 if [ "$floatabi_set_by_gcc" != "yes" ]; then
250 echo "$CFLAGS" | grep -q -- '-mfloat-abi=' || CFLAGS="$CFLAGS -mfloat-abi=softfp"
251 echo "$ASFLAGS" | grep -q -- '-mfloat-abi=' || ASFLAGS="$ASFLAGS -mfloat-abi=softfp"
252 fi
253 fi
254
255 # must disable thumb as recompiler can't handle it
256 if check_define __thumb__; then
257 CFLAGS="$CFLAGS -marm"
258 fi
259
260 # warn about common mistakes
261 if [ "$have_armv5" != "yes" ]; then
262 if ! echo "$CFLAGS" | grep -q -- '-mcpu=\|-march='; then
263 echo "Warning: compiling for ARMv4, is that really what you want?"
264 echo "You probably should specify -mcpu= or -march= like this:"
265 echo " CFLAGS=-march=armv6 ./configure ..."
266 fi
267 fi
268 if [ "$have_arm_neon" = "yes" -a "$have_armv7" != "yes" ]; then
269 echo "Warning: compiling for NEON, but not ARMv7?"
270 echo "You probably want to specify -mcpu= or -march= like this:"
271 echo " CFLAGS=-march=armv7-a ./configure ..."
272 fi
273 ;;
274*)
275 # dynarec only available on ARM
276 enable_dynarec="no"
277 ;;
278esac
279
280if [ "x$builtin_gpu" = "x" ]; then
281 builtin_gpu="peops"
282fi
283
284# supposedly we can avoid -fPIC on armv5 for slightly better performace?
285if [ "$ARCH" != "arm" -o "$have_armv6" = "yes" ]; then
286 PLUGIN_CFLAGS="$PLUGIN_CFLAGS -fPIC"
287fi
288
289if [ "$ram_fixed" = "yes" ]; then
290 CFLAGS="$CFLAGS -DRAM_FIXED"
291fi
292
293case "$platform" in
294generic)
295 need_sdl="yes"
296 ;;
297maemo)
298 CFLAGS="$CFLAGS -DMAEMO -DMAEMO_CHANGES"
299 ;;
300libretro)
301 CFLAGS="$CFLAGS -fPIC"
302 MAIN_LDFLAGS="$MAIN_LDFLAGS -shared -Wl,--no-undefined"
303 ;;
304esac
305
306# header/library presence tests
307check_zlib()
308{
309 cat > $TMPC <<EOF
310 #include <zlib.h>
311 int main(void) { uncompress(0, 0, 0, 0); }
312EOF
313 compile_binary
314}
315
316check_libpng()
317{
318 cat > $TMPC <<EOF
319 #include <png.h>
320 void main() { png_init_io(0, 0); }
321EOF
322 compile_binary
323}
324
325check_oss()
326{
327 cat > $TMPC <<EOF
328 #include <sys/soundcard.h>
329 #include <sys/ioctl.h>
330 void main() { int a=0; ioctl(0, SNDCTL_DSP_SETFMT, &a); }
331EOF
332 compile_binary
333}
334
335check_alsa()
336{
337 cat > $TMPC <<EOF
338 #include <alsa/asoundlib.h>
339 void main() { snd_pcm_open(0, 0, 0, 0); }
340EOF
341 compile_binary "$@"
342}
343
344check_pulseaudio()
345{
346 cat > $TMPC <<EOF
347 #include <pulse/pulseaudio.h>
348 void main() { pa_threaded_mainloop_new(); }
349EOF
350 compile_binary "$@"
351}
352
353check_sdl()
354{
355 cat > $TMPC <<EOF
356 #include <SDL.h>
357 void main() { SDL_OpenAudio(0, 0); }
358EOF
359 compile_binary "$@"
360}
361
362check_xlib_headers()
363{
364 cat > $TMPC <<EOF
365 #include <X11/Xlib.h>
366 void *f() { return XOpenDisplay(0); }
367EOF
368 compile_object "$@"
369}
370
371MAIN_LDLIBS="$MAIN_LDLIBS -lz"
372check_zlib || fail "please install zlib (libz-dev)"
373
374MAIN_LDLIBS="-lpng $MAIN_LDLIBS"
375check_libpng || fail "please install libpng (libpng-dev)"
376
377# find what audio support we can compile
378if [ "x$sound_drivers" = "x" ]; then
379 if check_oss; then sound_drivers="$sound_drivers oss"; fi
380 if check_alsa -lasound; then
381 sound_drivers="$sound_drivers alsa"
382 MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
383 fi
384 if check_pulseaudio -lpulse; then
385 sound_drivers="$sound_drivers pulseaudio"
386 MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
387 fi
388 if [ "$need_sdl" = "yes" ] || check_sdl `sdl-config --cflags --libs`; then
389 sound_drivers="$sound_drivers sdl"
390 need_sdl="yes"
391 fi
392else
393 if echo $sound_drivers | grep -q "\<oss\>"; then
394 check_oss || fail "oss support is missing"
395 fi
396 if echo $sound_drivers | grep -q "\<alsa\>"; then
397 MAIN_LDLIBS="-lasound $MAIN_LDLIBS"
398 check_alsa || fail "please install libasound2-dev"
399 fi
400 if echo $sound_drivers | grep -q "\<pulseaudio\>"; then
401 MAIN_LDLIBS="-lpulse $MAIN_LDLIBS"
402 check_pulseaudio || fail "pulseaudio support is missing"
403 fi
404fi
405
406if [ "$need_sdl" = "yes" ]; then
407 which sdl-config > /dev/null || \
408 fail "sdl-config is missing; please install libsdl (libsdl1.2-dev)"
409 CFLAGS="$CFLAGS `sdl-config --cflags`"
410 MAIN_LDLIBS="`sdl-config --libs` $MAIN_LDLIBS"
411 check_sdl || fail "please install libsdl (libsdl1.2-dev)"
412fi
413
414# check for tslib (only headers needed)
415if [ "x$have_tslib" = "x" ]; then
416 cat > $TMPC <<EOF
417 #include <tslib.h>
418 void test(struct ts_sample sample) {}
419EOF
420 if compile_object; then
421 have_tslib="yes"
422 else
423 have_tslib="no"
424 fi
425fi
426
427# check for VideoCore stuff for Raspberry Pi
428if [ -d /opt/vc/include -a -d /opt/vc/lib ]; then
429 CFLAGS_GLES="$CFLAGS_GLES -I/opt/vc/include -I/opt/vc/include/interface/vcos/pthreads"
430 LDLIBS_GLES="$LDLIBS_GLES -L/opt/vc/lib"
431 need_xlib="yes"
432fi
433
434# check for GLES headers
435cat > $TMPC <<EOF
436#include <GLES/gl.h>
437#include <EGL/egl.h>
438int main(void) {
439 return (int)eglGetDisplay( (EGLNativeDisplayType)0 );
440}
441EOF
442if compile_binary $CFLAGS_GLES -lEGL -lGLES_CM $LDLIBS_GLES; then
443 have_gles="yes"
444 LDLIBS_GLES="-lEGL -lGLES_CM $LDLIBS_GLES"
445elif compile_binary $CFLAGS_GLES -lEGL -lGLESv1_CM $LDLIBS_GLES; then
446 have_gles="yes"
447 LDLIBS_GLES="-lEGL -lGLESv1_CM $LDLIBS_GLES"
448fi
449
450if [ "$have_gles" = "yes" ]; then
451 plugins="$plugins plugins/gpu-gles/gpu_gles.so"
452fi
453if [ "$have_arm_neon" = "yes" -a "$builtin_gpu" != "neon" ]; then
454 plugins="$plugins plugins/gpu_neon/gpu_neon.so"
455fi
456
457# check for xlib (only headers needed)
458if [ "x$need_xlib" = "xyes" ]; then
459 check_xlib_headers || fail "please install libx11-dev"
460fi
461
462cat > $TMPC <<EOF
463void test(void *f, void *d) { fread(d, 1, 1, f); }
464EOF
465if compile_object -Wno-unused-result; then
466 CFLAGS="$CFLAGS -Wno-unused-result"
467fi
468
469# short plugin list for display
470for p in $plugins; do
471 p1=`basename $p`
472 plugins_short="$p1 $plugins_short"
473done
474
475# set things that failed to autodetect to "no"
476test "x$have_armv6" != "x" || have_armv6="no"
477test "x$have_armv7" != "x" || have_armv7="no"
478test "x$have_arm_neon" != "x" || have_arm_neon="no"
479test "x$have_gles" != "x" || have_gles="no"
480
481echo "architecture $ARCH"
482echo "platform $platform"
483echo "built-in GPU $builtin_gpu"
484echo "sound drivers $sound_drivers"
485echo "plugins $plugins_short"
486echo "C compiler $CC"
487echo "C compiler flags $CFLAGS"
488echo "libraries $MAIN_LDLIBS"
489echo "linker flags $LDFLAGS$MAIN_LDFLAGS"
490echo "enable dynarec $enable_dynarec"
491echo "ARMv7 optimizations $have_armv7"
492echo "enable ARM NEON $have_arm_neon"
493echo "tslib support $have_tslib"
494if [ "$platform" = "generic" ]; then
495 echo "OpenGL ES output $have_gles"
496fi
497
498echo "# Automatically generated by configure" > $config_mak
499printf "# Configured with:" >> $config_mak
500printf " '%s'" "$0" "$@" >> $config_mak
501echo >> $config_mak
502
503echo "CC = $CC" >> $config_mak
504echo "CXX = $CXX" >> $config_mak
505echo "AS = $AS" >> $config_mak
506echo "CFLAGS += $CFLAGS" >> $config_mak
507echo "ASFLAGS += $ASFLAGS" >> $config_mak
508echo "LDFLAGS += $LDFLAGS" >> $config_mak
509echo "MAIN_LDFLAGS += $MAIN_LDFLAGS" >> $config_mak
510echo "MAIN_LDLIBS += $MAIN_LDLIBS" >> $config_mak
511echo "PLUGIN_CFLAGS += $PLUGIN_CFLAGS" >> $config_mak
512echo >> $config_mak
513
514if [ "$platform" = "libretro" ]; then
515 echo "TARGET = libretro.so" >> $config_mak
516fi
517echo "ARCH = $ARCH" >> $config_mak
518echo "PLATFORM = $platform" >> $config_mak
519echo "BUILTIN_GPU = $builtin_gpu" >> $config_mak
520echo "SOUND_DRIVERS = $sound_drivers" >> $config_mak
521echo "PLUGINS = $plugins" >> $config_mak
522if [ "$have_arm_neon" = "yes" ]; then
523 echo "HAVE_NEON = 1" >> $config_mak
524fi
525if [ "$have_tslib" = "yes" ]; then
526 echo "HAVE_TSLIB = 1" >> $config_mak
527fi
528if [ "$have_gles" = "yes" ]; then
529 echo "HAVE_GLES = 1" >> $config_mak
530 echo "CFLAGS_GLES = $CFLAGS_GLES" >> $config_mak
531 echo "LDLIBS_GLES = $LDLIBS_GLES" >> $config_mak
532fi
533if [ "$enable_dynarec" = "yes" ]; then
534 echo "USE_DYNAREC = 1" >> $config_mak
535fi
536if [ "$drc_cache_base" = "yes" ]; then
537 echo "DRC_CACHE_BASE = 1" >> $config_mak
538fi
539
540# use pandora's skin (for now)
541test -e skin || ln -s frontend/pandora/skin skin
542
543# vim:shiftwidth=2:expandtab