]> git.sesse.net Git - x264/blob - configure
Use a relative $SRCPATH for out-of-tree builds
[x264] / configure
1 #!/bin/bash
2
3 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
4 cat <<EOF
5 Usage: ./configure [options]
6
7 Help:
8   -h, --help               print this message
9
10 Standard options:
11   --prefix=PREFIX          install architecture-independent files in PREFIX
12                            [/usr/local]
13   --exec-prefix=EPREFIX    install architecture-dependent files in EPREFIX
14                            [PREFIX]
15   --bindir=DIR             install binaries in DIR [EPREFIX/bin]
16   --libdir=DIR             install libs in DIR [EPREFIX/lib]
17   --includedir=DIR         install includes in DIR [PREFIX/include]
18   --extra-asflags=EASFLAGS add EASFLAGS to ASFLAGS
19   --extra-cflags=ECFLAGS   add ECFLAGS to CFLAGS
20   --extra-ldflags=ELDFLAGS add ELDFLAGS to LDFLAGS
21   --extra-rcflags=ERCFLAGS add ERCFLAGS to RCFLAGS
22
23 Configuration options:
24   --disable-cli            disable cli
25   --system-libx264         use system libx264 instead of internal
26   --enable-shared          build shared library
27   --enable-static          build static library
28   --disable-opencl         disable OpenCL features
29   --disable-gpl            disable GPL-only features
30   --disable-thread         disable multithreaded encoding
31   --enable-win32thread     use win32threads (windows only)
32   --disable-interlaced     disable interlaced encoding support
33   --bit-depth=BIT_DEPTH    set output bit depth (8-10) [8]
34   --chroma-format=FORMAT   output chroma format (420, 422, 444, all) [all]
35
36 Advanced options:
37   --disable-asm            disable platform-specific assembly optimizations
38   --enable-debug           add -g
39   --enable-gprof           add -pg
40   --enable-strip           add -s
41   --enable-pic             build position-independent code
42
43 Cross-compilation:
44   --host=HOST              build programs to run on HOST
45   --cross-prefix=PREFIX    use PREFIX for compilation tools
46   --sysroot=SYSROOT        root of cross-build tree
47
48 External library support:
49   --disable-avs            disable avisynth support
50   --disable-swscale        disable swscale support
51   --disable-lavf           disable libavformat support
52   --disable-ffms           disable ffmpegsource support
53   --disable-gpac           disable gpac support
54   --disable-lsmash         disable lsmash support
55
56 EOF
57 exit 1
58 fi
59
60 log_check() {
61     echo -n "checking $1... " >> config.log
62 }
63
64 log_ok() {
65     echo "yes" >> config.log
66 }
67
68 log_fail() {
69     echo "no" >> config.log
70 }
71
72 log_msg() {
73     echo "$1" >> config.log
74 }
75
76 cc_cflags() {
77     # several non gcc compilers issue an incredibly large number of warnings on any warning level,
78     # suppress them by disabling all warnings rather than having to use #pragmas to disable most of them
79     for arg in $*; do
80         [ "$arg" = -ffast-math ] && arg=
81         [[ "$arg" = -falign-loops* ]] && arg=
82         [ "$arg" = -fno-tree-vectorize ] && arg=
83         [ "$arg" = -Wshadow ] && arg=
84         [ "$arg" = -Wno-maybe-uninitialized ] && arg=
85         [[ "$arg" = -mpreferred-stack-boundary* ]] && arg=
86         [[ "$arg" = -l* ]] && arg=
87         [[ "$arg" = -L* ]] && arg=
88         if [ $compiler_style = MS ]; then
89             [ "$arg" = -Wall ] && arg=-W0
90             [ "$arg" = -Werror ] && arg="-W3 -WX"
91             [ "$arg" = -g ] && arg=-Z7
92             [ "$arg" = -fomit-frame-pointer ] && arg=
93             [ "$arg" = -s ] && arg=
94             [ "$arg" = -fPIC ] && arg=
95         else
96             [ "$arg" = -Wall ] && arg=-w0
97             [ "$arg" = -Werror ] && arg="-w3 -Werror"
98         fi
99         [ $compiler = CL -a "$arg" = -O3 ] && arg=-O2
100
101         [ -n "$arg" ] && echo -n "$arg "
102     done
103 }
104
105 cl_ldflags() {
106     for arg in $*; do
107         arg=${arg/LIBPATH/libpath}
108         [ "${arg#-libpath:}" == "$arg" -a "${arg#-l}" != "$arg" ] && arg=${arg#-l}.lib
109         [ "${arg#-L}" != "$arg" ] && arg=-libpath:${arg#-L}
110         [ "$arg" = -Wl,--large-address-aware ] && arg=-largeaddressaware
111         [ "$arg" = -s ] && arg=
112         [ "$arg" = -Wl,-Bsymbolic ] && arg=
113         [ "$arg" = -fno-tree-vectorize ] && arg=
114         [ "$arg" = -Werror ] && arg=
115         [ "$arg" = -Wshadow ] && arg=
116         [ "$arg" = -Wmaybe-uninitialized ] && arg=
117         [[ "$arg" = -Qdiag-error* ]] && arg=
118
119         arg=${arg/pthreadGC/pthreadVC}
120         [ "$arg" = avifil32.lib ] && arg=vfw32.lib
121         [ "$arg" = gpac_static.lib ] && arg=libgpac_static.lib
122         [ "$arg" = x264.lib ] && arg=libx264.lib
123
124         [ -n "$arg" ] && echo -n "$arg "
125     done
126 }
127
128 cc_check() {
129     if [ -z "$3" ]; then
130         if [ -z "$1$2" ]; then
131             log_check "whether $CC works"
132         elif [ -z "$1" ]; then
133             log_check "for $2"
134         else
135             log_check "for $1"
136         fi
137     elif [ -z "$1" ]; then
138         if [ -z "$2" ]; then
139             log_check "whether $CC supports $3"
140         else
141             log_check "whether $CC supports $3 with $2"
142         fi
143     else
144         log_check "for $3 in $1";
145     fi
146     rm -f conftest.c
147     for arg in $1; do
148         echo "#include <$arg>" >> conftest.c
149     done
150     echo "int main (void) { $3 return 0; }" >> conftest.c
151     if [ $compiler_style = MS ]; then
152         cc_cmd="$CC conftest.c $(cc_cflags $CFLAGS $CHECK_CFLAGS $2) -link $(cl_ldflags $2 $LDFLAGSCLI $LDFLAGS)"
153     else
154         cc_cmd="$CC conftest.c $CFLAGS $CHECK_CFLAGS $2 $LDFLAGSCLI $LDFLAGS -o conftest"
155     fi
156     if $cc_cmd >conftest.log 2>&1; then
157         res=$?
158         log_ok
159     else
160         res=$?
161         log_fail
162         log_msg "Failed commandline was:"
163         log_msg "--------------------------------------------------"
164         log_msg "$cc_cmd"
165         cat conftest.log >> config.log
166         log_msg "--------------------------------------------------"
167         log_msg "Failed program was:"
168         log_msg "--------------------------------------------------"
169         cat conftest.c >> config.log
170         log_msg "--------------------------------------------------"
171     fi
172     return $res
173 }
174
175 cpp_check() {
176     log_check "whether $3 is true"
177     rm -f conftest.c
178     for arg in $1; do
179         echo "#include <$arg>" >> conftest.c
180     done
181     echo -e "#if !($3) \n#error $4 \n#endif " >> conftest.c
182     if [ $compiler_style = MS ]; then
183         cpp_cmd="$CC conftest.c $(cc_cflags $CFLAGS $2) -P"
184     else
185         cpp_cmd="$CC conftest.c $CFLAGS $2 -E -o conftest"
186     fi
187     if $cpp_cmd >conftest.log 2>&1; then
188         res=$?
189         log_ok
190     else
191         res=$?
192         log_fail
193         log_msg "--------------------------------------------------"
194         cat conftest.log >> config.log
195         log_msg "--------------------------------------------------"
196         log_msg "Failed program was:"
197         log_msg "--------------------------------------------------"
198         cat conftest.c >> config.log
199         log_msg "--------------------------------------------------"
200     fi
201     return $res
202 }
203
204 as_check() {
205     log_check "whether $AS supports $1"
206     echo "$1" > conftest$AS_EXT
207     as_cmd="$AS conftest$AS_EXT $ASFLAGS $2 -o conftest.o"
208     if $as_cmd >conftest.log 2>&1; then
209         res=$?
210         log_ok
211     else
212         res=$?
213         log_fail
214         log_msg "Failed commandline was:"
215         log_msg "--------------------------------------------------"
216         log_msg "$as_cmd"
217         cat conftest.log >> config.log
218         log_msg "--------------------------------------------------"
219         log_msg "Failed program was:"
220         log_msg "--------------------------------------------------"
221         cat conftest$AS_EXT >> config.log
222         log_msg "--------------------------------------------------"
223     fi
224     return $res
225 }
226
227 rc_check() {
228     log_check "whether $RC works"
229     echo "$1" > conftest.rc
230     if [ $compiler = GNU ]; then
231         rc_cmd="$RC $RCFLAGS -o conftest.o conftest.rc"
232     else
233         rc_cmd="$RC $RCFLAGS -foconftest.o conftest.rc"
234     fi
235     if $rc_cmd >conftest.log 2>&1; then
236         res=$?
237         log_ok
238     else
239         res=$?
240         log_fail
241         log_msg "Failed commandline was:"
242         log_msg "--------------------------------------------------"
243         log_msg "$rc_cmd"
244         cat conftest.log >> config.log
245         log_msg "--------------------------------------------------"
246         log_msg "Failed program was:"
247         log_msg "--------------------------------------------------"
248         cat conftest.rc >> config.log
249         log_msg "--------------------------------------------------"
250     fi
251     return $res
252 }
253
254 define() {
255     echo "#define $1$([ -n "$2" ] && echo " $2" || echo " 1")" >> config.h
256 }
257
258 die() {
259     log_msg "DIED: $@"
260     echo "$@"
261     exit 1
262 }
263
264 configure_system_override() {
265     log_check "system libx264 configuration"
266     x264_config_path="$1/x264_config.h"
267     if [ -e "$x264_config_path" ]; then
268         res=$?
269         log_ok
270         arg="$(grep '#define X264_GPL ' $x264_config_path | sed -e 's/#define X264_GPL *//; s/ *$//')"
271         if [ -n "$arg" ]; then
272             [ "$arg" = 0 ] && arg="no" || arg="yes"
273             [ "$arg" != "$gpl" ] && die "Incompatible license with system libx264"
274         fi
275         arg="$(grep '#define X264_BIT_DEPTH ' $x264_config_path | sed -e 's/#define X264_BIT_DEPTH *//; s/ *$//')"
276         if [ -n "$arg" ]; then
277             if [ "$arg" != "$bit_depth" ]; then
278                 echo "Override output bit depth with system libx264 configuration"
279                 bit_depth="$arg"
280             fi
281         fi
282         arg="$(grep '#define X264_CHROMA_FORMAT ' $x264_config_path | sed -e 's/#define X264_CHROMA_FORMAT *//; s/ *$//')"
283         if [ -n "$arg" ]; then
284             [ "$arg" = 0 ] && arg="all" || arg="${arg#X264_CSP_I}"
285             if [ "$arg" != "$chroma_format" ]; then
286                 echo "Override output chroma format with system libx264 configuration"
287                 chroma_format="$arg"
288             fi
289         fi
290         arg="$(grep '#define X264_INTERLACED ' $x264_config_path | sed -e 's/#define X264_INTERLACED *//; s/ *$//')"
291         if [ -n "$arg" ]; then
292             [ "$arg" = 0 ] && arg="no" || arg="yes"
293             if [ "$arg" != "$interlaced" ]; then
294                 echo "Override interlaced encoding support with system libx264 configuration"
295                 interlaced="$arg"
296             fi
297         fi
298     else
299         res=$?
300         log_fail
301         log_msg "Failed search path was: $x264_config_path"
302     fi
303     return $res
304 }
305
306 rm -f x264_config.h config.h config.mak config.log x264.pc x264.def conftest*
307
308 # Construct a path to the specified directory relative to the working directory
309 relative_path() {
310     local base="${PWD%/}"
311     local path="$(cd "$1" >/dev/null; printf '%s/.' "${PWD%/}")"
312     local up=''
313
314     while [[ $path != "$base/"* ]]; do
315         base="${base%/*}"
316         up="../$up"
317     done
318
319     dirname "$up${path#"$base/"}"
320 }
321
322 SRCPATH="$(relative_path "$(dirname "$0")")"
323 echo "$SRCPATH" | grep -q ' ' && die "Out of tree builds are impossible with whitespace in source path."
324 [ -e "$SRCPATH/config.h" -o -e "$SRCPATH/x264_config.h" ] && die "Out of tree builds are impossible with config.h/x264_config.h in source dir."
325
326 prefix='/usr/local'
327 exec_prefix='${prefix}'
328 bindir='${exec_prefix}/bin'
329 libdir='${exec_prefix}/lib'
330 includedir='${prefix}/include'
331 DEVNULL='/dev/null'
332
333 cli="yes"
334 cli_libx264="internal"
335 shared="no"
336 static="no"
337 avs="auto"
338 lavf="auto"
339 ffms="auto"
340 gpac="auto"
341 lsmash="auto"
342 mp4="no"
343 gpl="yes"
344 thread="auto"
345 swscale="auto"
346 asm="auto"
347 interlaced="yes"
348 debug="no"
349 gprof="no"
350 strip="no"
351 pic="no"
352 bit_depth="8"
353 chroma_format="all"
354 compiler="GNU"
355 compiler_style="GNU"
356 opencl="yes"
357
358 CFLAGS="$CFLAGS -Wall -I. -I\$(SRCPATH)"
359 LDFLAGS="$LDFLAGS"
360 LDFLAGSCLI="$LDFLAGSCLI"
361 ASFLAGS="$ASFLAGS -I. -I\$(SRCPATH)"
362 RCFLAGS="$RCFLAGS"
363 CHECK_CFLAGS=""
364 HAVE_GETOPT_LONG=1
365 cross_prefix=""
366
367 EXE=""
368 AS_EXT=".S"
369 NL="
370 "
371
372 # list of all preprocessor HAVE values we can define
373 CONFIG_HAVE="MALLOC_H ALTIVEC ALTIVEC_H MMX ARMV6 ARMV6T2 NEON BEOSTHREAD POSIXTHREAD WIN32THREAD THREAD LOG2F SWSCALE \
374              LAVF FFMS GPAC AVS GPL VECTOREXT INTERLACED CPU_COUNT OPENCL THP LSMASH X86_INLINE_ASM AS_FUNC INTEL_DISPATCHER \
375              MSA"
376
377 # parse options
378
379 for opt do
380     optarg="${opt#*=}"
381     case "$opt" in
382         --prefix=*)
383             prefix="$optarg"
384             ;;
385         --exec-prefix=*)
386             exec_prefix="$optarg"
387             ;;
388         --bindir=*)
389             bindir="$optarg"
390             ;;
391         --libdir=*)
392             libdir="$optarg"
393             ;;
394         --includedir=*)
395             includedir="$optarg"
396             ;;
397         --disable-cli)
398             cli="no"
399             ;;
400         --system-libx264)
401             cli_libx264="system"
402             ;;
403         --enable-shared)
404             shared="yes"
405             ;;
406         --enable-static)
407             static="yes"
408             ;;
409         --disable-asm)
410             asm="no"
411             ;;
412         --disable-interlaced)
413             interlaced="no"
414             ;;
415         --disable-avs)
416             avs="no"
417             ;;
418         --disable-lavf)
419             lavf="no"
420             ;;
421         --disable-ffms)
422             ffms="no"
423             ;;
424         --disable-gpac)
425             gpac="no"
426             ;;
427         --disable-lsmash)
428             lsmash="no"
429             ;;
430         --disable-gpl)
431             gpl="no"
432             ;;
433         --extra-asflags=*)
434             ASFLAGS="$ASFLAGS $optarg"
435             ;;
436         --extra-cflags=*)
437             CFLAGS="$CFLAGS $optarg"
438             ;;
439         --extra-ldflags=*)
440             LDFLAGS="$LDFLAGS $optarg"
441             ;;
442         --extra-rcflags=*)
443             RCFLAGS="$RCFLAGS $optarg"
444             ;;
445         --disable-thread)
446             thread="no"
447             ;;
448         --enable-win32thread)
449             thread="win32"
450             ;;
451         --disable-swscale)
452             swscale="no"
453             ;;
454         --enable-debug)
455             debug="yes"
456             ;;
457         --enable-gprof)
458             CFLAGS="$CFLAGS -pg"
459             LDFLAGS="$LDFLAGS -pg"
460             gprof="yes"
461             ;;
462         --enable-strip)
463             strip="yes"
464             ;;
465         --enable-pic)
466             pic="yes"
467             ;;
468         --host=*)
469             host="$optarg"
470             ;;
471         --disable-opencl)
472             opencl="no"
473             ;;
474         --cross-prefix=*)
475             cross_prefix="$optarg"
476             ;;
477         --sysroot=*)
478             CFLAGS="$CFLAGS --sysroot=$optarg"
479             LDFLAGS="$LDFLAGS --sysroot=$optarg"
480             ;;
481         --bit-depth=*)
482             bit_depth="$optarg"
483             if [ "$bit_depth" -lt "8" -o "$bit_depth" -gt "10" ]; then
484                 echo "Supplied bit depth must be in range [8,10]."
485                 exit 1
486             fi
487             bit_depth=`expr $bit_depth + 0`
488             ;;
489         --chroma-format=*)
490             chroma_format="$optarg"
491             if [ $chroma_format != "420" -a $chroma_format != "422" -a $chroma_format != "444" -a $chroma_format != "all" ]; then
492                 echo "Supplied chroma format must be 420, 422, 444 or all."
493                 exit 1
494             fi
495             ;;
496         *)
497             echo "Unknown option $opt, ignored"
498             ;;
499     esac
500 done
501
502 [ "$cli" = "no" -a "$shared" = "no" -a "$static" = "no" ] && die "Nothing to build. Enable cli, shared or static."
503
504 CC="${CC-${cross_prefix}gcc}"
505 AR="${AR-${cross_prefix}ar}"
506 RANLIB="${RANLIB-${cross_prefix}ranlib}"
507 STRIP="${STRIP-${cross_prefix}strip}"
508 INSTALL="${INSTALL-install}"
509
510 if [ "x$host" = x ]; then
511     host=`${SRCPATH}/config.guess`
512 fi
513 # normalize a triplet into a quadruplet
514 host=`${SRCPATH}/config.sub $host`
515
516 # split $host
517 host_cpu="${host%%-*}"
518 host="${host#*-}"
519 host_vendor="${host%%-*}"
520 host_os="${host#*-}"
521
522 trap 'rm -f conftest*' EXIT
523
524 # test for use of compilers that require specific handling
525 cc_base=`basename "$CC"`
526 QPRE="-"
527 if [[ $host_os = mingw* || $host_os = cygwin* ]]; then
528     if [[ "$cc_base" = icl || "$cc_base" = icl[\ .]* ]]; then
529         # Windows Intel Compiler creates dependency generation with absolute Windows paths, Cygwin's make does not support Windows paths.
530         [[ $host_os = cygwin* ]] && die "Windows Intel Compiler support requires MSYS"
531         compiler=ICL
532         compiler_style=MS
533         CFLAGS="$CFLAGS -Qstd=c99 -nologo -Qms0 -DHAVE_STRING_H -I\$(SRCPATH)/extras"
534         QPRE="-Q"
535         `$CC 2>&1 | grep -q IA-32` && host_cpu=i486
536         `$CC 2>&1 | grep -q "Intel(R) 64"` && host_cpu=x86_64
537         cpp_check "" "" "_MSC_VER >= 1400" || die "Windows Intel Compiler support requires Visual Studio 2005 or newer"
538         if cc_check '' -Qdiag-error:10006,10157 ; then
539             CHECK_CFLAGS="$CHECK_CFLAGS -Qdiag-error:10006,10157"
540         fi
541     elif [[ "$cc_base" = cl || "$cc_base" = cl[\ .]* ]]; then
542         # Standard Microsoft Visual Studio
543         compiler=CL
544         compiler_style=MS
545         CFLAGS="$CFLAGS -nologo -DHAVE_STRING_H -I\$(SRCPATH)/extras"
546         `$CC 2>&1 | grep -q 'x86'` && host_cpu=i486
547         `$CC 2>&1 | grep -q 'x64'` && host_cpu=x86_64
548         cpp_check '' '' '_MSC_VER > 1800 || (_MSC_VER == 1800 && _MSC_FULL_VER >= 180030324)' || die "Microsoft Visual Studio support requires Visual Studio 2013 Update 2 or newer"
549     fi
550 else
551     if [[ "$cc_base" = icc || "$cc_base" = icc[\ .]* ]]; then
552         AR="xiar"
553         compiler=ICC
554     fi
555 fi
556
557 if [[ "$cc_base" = clang || "$cc_base" = clang[\ .]* ]]; then
558     if cc_check '' -Werror=unknown-warning-option ; then
559         CHECK_CFLAGS="$CHECK_CFLAGS -Werror=unknown-warning-option"
560     fi
561 fi
562
563 libm=""
564 case $host_os in
565     beos*)
566         SYS="BEOS"
567         define HAVE_MALLOC_H
568         ;;
569     darwin*)
570         SYS="MACOSX"
571         libm="-lm"
572         if [ "$pic" = "no" ]; then
573             cc_check "" -mdynamic-no-pic && CFLAGS="$CFLAGS -mdynamic-no-pic"
574         fi
575         ;;
576     freebsd*)
577         SYS="FREEBSD"
578         libm="-lm"
579         ;;
580     kfreebsd*-gnu)
581         SYS="FREEBSD"
582         define HAVE_MALLOC_H
583         libm="-lm"
584         ;;
585     netbsd*)
586         SYS="NETBSD"
587         libm="-lm"
588         ;;
589     openbsd*)
590         SYS="OPENBSD"
591         libm="-lm"
592         ;;
593     *linux*)
594         SYS="LINUX"
595         define HAVE_MALLOC_H
596         libm="-lm"
597         ;;
598     gnu*)
599         SYS="HURD"
600         define HAVE_MALLOC_H
601         libm="-lm"
602         ;;
603     cygwin*)
604         EXE=".exe"
605         if [ $compiler_style = GNU ] && cc_check "" -mno-cygwin; then
606             CFLAGS="$CFLAGS -mno-cygwin"
607             LDFLAGS="$LDFLAGS -mno-cygwin"
608         fi
609         if cpp_check "" "" "defined(__CYGWIN__)" ; then
610             define HAVE_MALLOC_H
611             SYS="CYGWIN"
612         else
613             SYS="WINDOWS"
614             DEVNULL="NUL"
615             LDFLAGSCLI="$LDFLAGSCLI -lshell32"
616             RC="${RC-${cross_prefix}windres}"
617         fi
618         ;;
619     mingw*)
620         SYS="WINDOWS"
621         EXE=".exe"
622         DEVNULL="NUL"
623         LDFLAGSCLI="$LDFLAGSCLI -lshell32"
624         [ $compiler = GNU ] && RC="${RC-${cross_prefix}windres}" || RC="${RC-rc}"
625         ;;
626     sunos*|solaris*)
627         SYS="SunOS"
628         define HAVE_MALLOC_H
629         libm="-lm"
630         if cc_check "" /usr/lib/64/values-xpg6.o; then
631             LDFLAGS="$LDFLAGS /usr/lib/64/values-xpg6.o"
632         else
633             LDFLAGS="$LDFLAGS /usr/lib/values-xpg6.o"
634         fi
635         if test -x /usr/ucb/install ; then
636             INSTALL=/usr/ucb/install
637         elif test -x /usr/bin/ginstall ; then
638             # OpenSolaris
639             INSTALL=/usr/bin/ginstall
640         elif test -x /usr/gnu/bin/install ; then
641             # OpenSolaris
642             INSTALL=/usr/gnu/bin/install
643         fi
644         HAVE_GETOPT_LONG=0
645         ;;
646     *qnx*)
647         SYS="QNX"
648         define HAVE_MALLOC_H
649         libm="-lm"
650         HAVE_GETOPT_LONG=0
651         CFLAGS="$CFLAGS -I\$(SRCPATH)/extras"
652         ;;
653     *)
654         die "Unknown system $host, edit the configure"
655         ;;
656 esac
657
658 LDFLAGS="$LDFLAGS $libm"
659
660 stack_alignment=16
661 case $host_cpu in
662     i*86)
663         ARCH="X86"
664         AS="${AS-yasm}"
665         AS_EXT=".asm"
666         ASFLAGS="$ASFLAGS -DARCH_X86_64=0 -I\$(SRCPATH)/common/x86/"
667         if [ $compiler = GNU ]; then
668             if [[ "$asm" == auto && "$CFLAGS" != *-march* ]]; then
669                 CFLAGS="$CFLAGS -march=i686"
670             fi
671             if [[ "$asm" == auto && "$CFLAGS" != *-mfpmath* ]]; then
672                 CFLAGS="$CFLAGS -mfpmath=sse -msse"
673             fi
674             CFLAGS="-m32 $CFLAGS"
675             LDFLAGS="-m32 $LDFLAGS"
676         elif [ $compiler = ICC ]; then
677             # icc on linux has various degrees of mod16 stack support
678             if [ $SYS = LINUX ]; then
679                 # < 11 is completely incapable of keeping a mod16 stack
680                 if cpp_check "" "" "__INTEL_COMPILER < 1100" ; then
681                     stack_alignment=4
682                 # 11 <= x < 12 is capable of keeping a mod16 stack, but defaults to not doing so.
683                 elif cpp_check "" "" "__INTEL_COMPILER < 1200" ; then
684                     CFLAGS="$CFLAGS -falign-stack=assume-16-byte"
685                 fi
686                 # >= 12 defaults to a mod16 stack
687             fi
688         else # ICL/CL
689             # always a mod4 stack
690             stack_alignment=4
691         fi
692         if [ "$SYS" = MACOSX ]; then
693             ASFLAGS="$ASFLAGS -f macho32 -DPREFIX"
694         elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
695             ASFLAGS="$ASFLAGS -f win32 -DPREFIX"
696             LDFLAGS="$LDFLAGS -Wl,--large-address-aware"
697             [ $compiler = GNU ] && LDFLAGS="$LDFLAGS -Wl,--dynamicbase,--nxcompat,--tsaware"
698             [ $compiler = GNU ] && RCFLAGS="--target=pe-i386 $RCFLAGS"
699         else
700             ASFLAGS="$ASFLAGS -f elf32"
701         fi
702         ;;
703     x86_64)
704         ARCH="X86_64"
705         AS="${AS-yasm}"
706         AS_EXT=".asm"
707         ASFLAGS="$ASFLAGS -DARCH_X86_64=1 -I\$(SRCPATH)/common/x86/"
708         [ $compiler = GNU ] && CFLAGS="-m64 $CFLAGS" && LDFLAGS="-m64 $LDFLAGS"
709         if [ "$SYS" = MACOSX ]; then
710             ASFLAGS="$ASFLAGS -f macho64 -DPIC -DPREFIX"
711             if cc_check '' "-arch x86_64"; then
712                 CFLAGS="$CFLAGS -arch x86_64"
713                 LDFLAGS="$LDFLAGS -arch x86_64"
714             fi
715         elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
716             ASFLAGS="$ASFLAGS -f win64"
717             # only the GNU toolchain is inconsistent in prefixing function names with _
718             [ $compiler = GNU ] && cc_check "" "-S" && grep -q "_main:" conftest && ASFLAGS="$ASFLAGS -DPREFIX"
719             [ $compiler = GNU ] && LDFLAGS="$LDFLAGS -Wl,--dynamicbase,--nxcompat,--tsaware"
720             [ $compiler = GNU ] && RCFLAGS="--target=pe-x86-64 $RCFLAGS"
721         else
722             ASFLAGS="$ASFLAGS -f elf64"
723         fi
724         ;;
725     powerpc*)
726         ARCH="PPC"
727         if [ $asm = auto ] ; then
728             define HAVE_ALTIVEC
729             AS="${AS-${CC}}"
730             AS_EXT=".c"
731             if [ $SYS = MACOSX ] ; then
732                 CFLAGS="$CFLAGS -faltivec -fastf -mcpu=G4"
733             else
734                 CFLAGS="$CFLAGS -maltivec -mabi=altivec"
735                 define HAVE_ALTIVEC_H
736             fi
737         fi
738         ;;
739     sparc)
740         ARCH="SPARC"
741         ;;
742     mips*)
743         ARCH="MIPS"
744         AS="${AS-${CC}}"
745         AS_EXT=".c"
746         ;;
747     arm*)
748         ARCH="ARM"
749         if [ "$SYS" = MACOSX ] ; then
750             AS="${AS-${SRCPATH}/tools/gas-preprocessor.pl -arch arm -- ${CC}}"
751             ASFLAGS="$ASFLAGS -DPREFIX -DPIC"  # apple's ld doesn't support movw/movt relocations at all
752             # build for armv7 by default
753             if ! echo $CFLAGS | grep -Eq '\-arch' ; then
754                 CFLAGS="$CFLAGS -arch armv7"
755                 LDFLAGS="$LDFLAGS -arch armv7"
756             fi
757         else
758             AS="${AS-${CC}}"
759         fi
760         ;;
761     aarch64)
762         ARCH="AARCH64"
763         if [ "$SYS" = MACOSX ] ; then
764             AS="${AS-${SRCPATH}/tools/gas-preprocessor.pl -arch aarch64 -- ${CC}}"
765             ASFLAGS="$ASFLAGS -DPREFIX"
766         else
767             AS="${AS-${CC}}"
768         fi
769         ;;
770     s390|s390x)
771         ARCH="S390"
772         ;;
773     hppa*|parisc*)
774         ARCH="PARISC"
775         ;;
776     ia64)
777         ARCH="IA64"
778         ;;
779     alpha*)
780         ARCH="ALPHA"
781         ;;
782     *)
783         ARCH="$(echo $host_cpu | tr a-z A-Z)"
784         ;;
785 esac
786
787 if [ $SYS = WINDOWS ]; then
788     if ! rc_check "0 RCDATA {0}" ; then
789         RC=""
790     fi
791 fi
792
793 log_msg "x264 configure script"
794 if [ -n "$*" ]; then
795     msg="Command line options:"
796     for i in $@; do
797         msg="$msg \"$i\""
798     done
799     log_msg "$msg"
800 fi
801 log_msg ""
802
803 # check requirements
804
805 cc_check || die "No working C compiler found."
806
807 if [ $compiler_style = GNU ]; then
808     if cc_check '' -std=gnu99 'for( int i = 0; i < 9; i++ );' ; then
809         CFLAGS="$CFLAGS -std=gnu99"
810     elif cc_check '' -std=c99 'for( int i = 0; i < 9; i++ );' ; then
811         CFLAGS="$CFLAGS -std=c99 -D_POSIX_C_SOURCE=200112L -D_BSD_SOURCE"
812     elif ! cc_check '' '' 'for( int i = 0; i < 9; i++ );' ; then
813         die "C99 compiler is needed for compilation."
814     fi
815 fi
816
817 if [ $shared = yes -a \( $ARCH = "X86_64" -o $ARCH = "PPC" -o $ARCH = "ALPHA" -o $ARCH = "ARM" -o $ARCH = "IA64" -o $ARCH = "PARISC" -o $ARCH = "MIPS" -o $ARCH = "AARCH64" \) ] ; then
818     pic="yes"
819 fi
820
821 if [ $asm = auto -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
822     if ! as_check "vpmovzxwd ymm0, xmm0" ; then
823         VER=`($AS --version || echo no assembler) 2>/dev/null | head -n 1`
824         echo "Found $VER"
825         echo "Minimum version is yasm-1.2.0"
826         echo "If you really want to compile without asm, configure with --disable-asm."
827         exit 1
828     fi
829     cc_check '' '' '__asm__("pabsw %xmm0, %xmm0");' && define HAVE_X86_INLINE_ASM
830     ASFLAGS="$ASFLAGS -Worphan-labels"
831     define HAVE_MMX
832     if [ $compiler = GNU ] && cc_check '' -mpreferred-stack-boundary=5 ; then
833         CFLAGS="$CFLAGS -mpreferred-stack-boundary=5"
834         stack_alignment=32
835     fi
836 fi
837
838 if [ $asm = auto -a $ARCH = ARM ] ; then
839     # set flags so neon is built by default
840     echo $CFLAGS | grep -Eq '(-mcpu|-march|-mfpu)' || CFLAGS="$CFLAGS -mcpu=cortex-a8 -mfpu=neon"
841
842     if  cc_check '' '' '__asm__("rev ip, ip");' ; then      define HAVE_ARMV6
843         cc_check '' '' '__asm__("movt r0, #0");'         && define HAVE_ARMV6T2
844         cc_check '' '' '__asm__("vadd.i16 q0, q0, q0");' && define HAVE_NEON
845         ASFLAGS="$ASFLAGS -c"
846     else
847         echo "You specified a pre-ARMv6 or Thumb-1 CPU in your CFLAGS."
848         echo "If you really want to run on such a CPU, configure with --disable-asm."
849         exit 1
850     fi
851 fi
852
853 if [ $asm = auto -a $ARCH = AARCH64 ] ; then
854     if  cc_check '' '' '__asm__("cmeq v0.8h, v0.8h, #0");' ; then define HAVE_NEON
855         ASFLAGS="$ASFLAGS -c"
856     else
857         echo "no NEON support, try adding -mfpu=neon to CFLAGS"
858         echo "If you really want to run on such a CPU, configure with --disable-asm."
859         exit 1
860     fi
861 fi
862
863 if [ $asm = auto -a \( $ARCH = ARM -o $ARCH = AARCH64 \) ] ; then
864     # check if the assembler supports '.func' (clang 3.5 does not)
865     as_check ".func test${NL}.endfunc" && define HAVE_AS_FUNC 1
866 fi
867
868 if [ $asm = auto -a $ARCH = MIPS ] ; then
869     if ! echo $CFLAGS | grep -Eq '(-march|-mmsa|-mno-msa)' ; then
870         cc_check '' '-mmsa -mfp64 -mhard-float' && CFLAGS="-mmsa -mfp64 -mhard-float $CFLAGS"
871     fi
872
873     if cc_check '' '' '__asm__("addvi.b $w0, $w1, 1");' ; then
874         define HAVE_MSA
875     else
876         echo "You specified a pre-MSA CPU in your CFLAGS."
877         echo "If you really want to run on such a CPU, configure with --disable-asm."
878         exit 1
879     fi
880 fi
881
882 [ $asm = no ] && AS=""
883 [ "x$AS" = x ] && asm="no" || asm="yes"
884
885 define ARCH_$ARCH
886 define SYS_$SYS
887
888 define STACK_ALIGNMENT $stack_alignment
889 ASFLAGS="$ASFLAGS -DSTACK_ALIGNMENT=$stack_alignment"
890
891 # skip endianness check for Intel Compiler and MSVS, as all supported platforms are little. each have flags that will cause the check to fail as well
892 CPU_ENDIAN="little-endian"
893 if [ $compiler = GNU ]; then
894     echo "int i[2] = {0x42494745,0}; double f[2] = {0x1.0656e6469616ep+102,0};" > conftest.c
895     $CC $CFLAGS conftest.c -c -o conftest.o 2>/dev/null || die "endian test failed"
896     if (${cross_prefix}strings -a conftest.o | grep -q BIGE) && (${cross_prefix}strings -a conftest.o | grep -q FPendian) ; then
897         define WORDS_BIGENDIAN
898         CPU_ENDIAN="big-endian"
899     elif !(${cross_prefix}strings -a conftest.o | grep -q EGIB && ${cross_prefix}strings -a conftest.o | grep -q naidnePF) ; then
900         die "endian test failed"
901     fi
902 fi
903
904 if [ "$cli_libx264" = "system" -a "$shared" != "yes" ] ; then
905     [ "$static" = "yes" ] && die "Option --system-libx264 can not be used together with --enable-static"
906     if ${cross_prefix}pkg-config --exists x264 2>/dev/null; then
907         X264_LIBS="$(${cross_prefix}pkg-config --libs x264)"
908         X264_INCLUDE_DIR="${X264_INCLUDE_DIR-$(${cross_prefix}pkg-config --variable=includedir x264)}"
909         configure_system_override "$X264_INCLUDE_DIR" || die "Detection of system libx264 configuration failed"
910     else
911         die "Can not find system libx264"
912     fi
913 fi
914
915 # autodetect options that weren't forced nor disabled
916
917 # pthread-win32 is lgpl, prevent its use if --disable-gpl is specified and targeting windows
918 [ "$SYS" = "WINDOWS" -a "$gpl" = "no" -a "$thread" = "auto" ] && thread="win32"
919
920 libpthread=""
921 if [ "$thread" = "auto" ]; then
922     thread="no"
923     case $SYS in
924         BEOS)
925             thread="beos"
926             define HAVE_BEOSTHREAD
927             ;;
928         WINDOWS)
929             if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
930                 thread="posix"
931                 libpthread="-lpthread"
932             elif cc_check pthread.h -lpthreadGC2 "pthread_create(0,0,0,0);" ; then
933                 thread="posix"
934                 libpthread="-lpthreadGC2"
935             elif cc_check pthread.h "-lpthreadGC2 -lwsock32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
936                 thread="posix"
937                 libpthread="-lpthreadGC2 -lwsock32"
938                 define PTW32_STATIC_LIB
939             elif cc_check pthread.h "-lpthreadGC2 -lws2_32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
940                 thread="posix"
941                 libpthread="-lpthreadGC2 -lws2_32"
942                 define PTW32_STATIC_LIB
943             else
944                 # default to native threading if pthread-win32 is unavailable
945                 thread="win32"
946             fi
947             ;;
948         QNX)
949             cc_check pthread.h -lc "pthread_create(0,0,0,0);" && thread="posix" && libpthread="-lc"
950             ;;
951         *)
952             if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
953                thread="posix"
954                libpthread="-lpthread"
955             else
956                 cc_check pthread.h "" "pthread_create(0,0,0,0);" && thread="posix" && libpthread=""
957             fi
958             ;;
959     esac
960 fi
961 if [ "$thread" = "posix" ]; then
962     LDFLAGS="$LDFLAGS $libpthread"
963     define HAVE_POSIXTHREAD
964     if [ "$SYS" = "LINUX" ] && cc_check sched.h "-D_GNU_SOURCE -Werror" "cpu_set_t p_aff; return CPU_COUNT(&p_aff);" ; then
965         define HAVE_CPU_COUNT
966     fi
967 fi
968 if [ "$thread" = "win32" ]; then
969     # cygwin does not support win32 threads
970     if [ "$SYS" = "WINDOWS" ]; then
971         define HAVE_WIN32THREAD
972     else
973         thread="no"
974     fi
975 fi
976 [ "$thread" != "no" ] && define HAVE_THREAD
977
978 if cc_check "math.h" "-Werror" "return log2f(2);" ; then
979     define HAVE_LOG2F
980 fi
981
982 if [ "$SYS" = "LINUX" -a \( "$ARCH" = "X86" -o "$ARCH" = "X86_64" \) ] && cc_check "sys/mman.h" "" "MADV_HUGEPAGE;" ; then
983     define HAVE_THP
984 fi
985
986 if [ "$swscale" = "auto" ] ; then
987     swscale="no"
988     if ${cross_prefix}pkg-config --exists libswscale 2>/dev/null; then
989         SWSCALE_LIBS="$SWSCALE_LIBS $(${cross_prefix}pkg-config --libs libswscale libavutil)"
990         SWSCALE_CFLAGS="$SWSCALE_CFLAGS $(${cross_prefix}pkg-config --cflags libswscale libavutil)"
991     fi
992     [ -z "$SWSCALE_LIBS" ] && SWSCALE_LIBS="-lswscale -lavutil"
993
994     if cc_check "libswscale/swscale.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "sws_init_context(0,0,0);" ; then
995         if cpp_check "libavutil/pixdesc.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "defined(AV_PIX_FMT_FLAG_RGB)" ; then
996             swscale="yes"
997         else
998             echo "Warning: AV_PIX_FMT_FLAG_RGB is missing from libavutil, update for swscale support"
999         fi
1000     fi
1001 fi
1002
1003 if [ "$lavf" = "auto" ] ; then
1004     lavf="no"
1005     if ${cross_prefix}pkg-config --exists libavformat libavcodec libswscale 2>/dev/null; then
1006         LAVF_LIBS="$LAVF_LIBS $(${cross_prefix}pkg-config --libs libavformat libavcodec libavutil libswscale)"
1007         LAVF_CFLAGS="$LAVF_CFLAGS $(${cross_prefix}pkg-config --cflags libavformat libavcodec libavutil libswscale)"
1008     fi
1009     if [ -z "$LAVF_LIBS" -a -z "$LAVF_CFLAGS" ]; then
1010         LAVF_LIBS="-lavformat"
1011         for lib in -lpostproc -lavcodec -lswscale -lavutil -lm -lz -lbz2 $libpthread -lavifil32 -lws2_32; do
1012             cc_check "" $lib && LAVF_LIBS="$LAVF_LIBS $lib"
1013         done
1014     fi
1015     LAVF_LIBS="-L. $LAVF_LIBS"
1016     if cc_check libavformat/avformat.h "$LAVF_CFLAGS $LAVF_LIBS" "av_frame_free(0);" ; then
1017         if [ "$swscale" = "yes" ]; then
1018             lavf="yes"
1019         else
1020             echo "Warning: libavformat is not supported without swscale support"
1021         fi
1022     fi
1023 fi
1024
1025 if [ "$ffms" = "auto" ] ; then
1026     ffms_major="2"; ffms_minor="16"; ffms_micro="2"; ffms_bump="0"
1027     ffms="no"
1028
1029     if ${cross_prefix}pkg-config --exists ffms2 2>/dev/null; then
1030         FFMS2_LIBS="$FFMS2_LIBS $(${cross_prefix}pkg-config --libs ffms2)"
1031         FFMS2_CFLAGS="$FFMS2_CFLAGS $(${cross_prefix}pkg-config --cflags ffms2)"
1032     fi
1033     [ -z "$FFMS2_LIBS" ] && FFMS2_LIBS="-lffms2"
1034
1035     if cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS" "FFMS_DestroyVideoSource(0);" ; then
1036         ffms="yes"
1037     elif cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS -lstdc++ $LAVF_LIBS" "FFMS_DestroyVideoSource(0);" ; then
1038         ffms="yes"
1039         FFMS2_LIBS="$FFMS2_LIBS -lstdc++ $LAVF_LIBS"
1040     fi
1041
1042     error="ffms must be at least version $ffms_major.$ffms_minor.$ffms_micro.$ffms_bump"
1043     if [ $ffms = "yes" ] && ! cpp_check "ffms.h" "$FFMS2_CFLAGS" "FFMS_VERSION >= (($ffms_major << 24) | ($ffms_minor << 16) | ($ffms_micro << 8) | $ffms_bump)" "$error"; then
1044        ffms="no"
1045        echo "Warning: $error"
1046     fi
1047     if [ "$ffms" = "yes" -a "$swscale" = "no" ]; then
1048         echo "Warning: ffms is not supported without swscale support"
1049         ffms="no"
1050     fi
1051 fi
1052
1053 if [ "$swscale" = "yes" ]; then
1054     LDFLAGSCLI="$SWSCALE_LIBS $LDFLAGSCLI"
1055     CFLAGS="$CFLAGS $SWSCALE_CFLAGS"
1056     define HAVE_SWSCALE
1057     if [ "$lavf" = "yes" ]; then
1058         LDFLAGSCLI="$LAVF_LIBS $LDFLAGSCLI"
1059         CFLAGS="$CFLAGS $LAVF_CFLAGS"
1060         define HAVE_LAVF
1061     fi
1062     if [ "$ffms" = "yes" ]; then
1063         LDFLAGSCLI="$FFMS2_LIBS $LDFLAGSCLI"
1064         CFLAGS="$CFLAGS $FFMS2_CFLAGS"
1065         define HAVE_FFMS
1066     fi
1067 fi
1068
1069 if [ "$lsmash" = "auto" ] ; then
1070     lsmash="no"
1071     if ${cross_prefix}pkg-config --exists liblsmash 2>/dev/null; then
1072         LSMASH_LIBS="$LSMASH_LIBS $(${cross_prefix}pkg-config --libs liblsmash)"
1073         LSMASH_CFLAGS="$LSMASH_CFLAGS $(${cross_prefix}pkg-config --cflags liblsmash)"
1074     fi
1075     [ -z "$LSMASH_LIBS" ] && LSMASH_LIBS="-llsmash"
1076
1077     if cc_check lsmash.h "$LSMASH_CFLAGS $LSMASH_LIBS" ; then
1078         if cpp_check lsmash.h "$LSMASH_CFLAGS" "LSMASH_VERSION_MAJOR > 1 || (LSMASH_VERSION_MAJOR == 1 && LSMASH_VERSION_MINOR >= 5)" ; then
1079             lsmash="yes"
1080         else
1081             echo "Warning: lsmash is too old, update to rev.895 or later"
1082         fi
1083     fi
1084 fi
1085
1086 if [ "$gpac" = "auto" -a "$lsmash" != "yes" ] ; then
1087     gpac="no"
1088     GPAC_LIBS="-lgpac_static"
1089     cc_check "" -lz && GPAC_LIBS="$GPAC_LIBS -lz"
1090     if [ "$SYS" = "WINDOWS" ] ; then
1091         cc_check "" -lws2_32 && GPAC_LIBS="$GPAC_LIBS -lws2_32"
1092         cc_check "" -lwinmm && GPAC_LIBS="$GPAC_LIBS -lwinmm"
1093     fi
1094     if cc_check gpac/isomedia.h "$GPAC_LIBS" ; then
1095         if cc_check gpac/isomedia.h "$GPAC_LIBS" "gf_isom_set_pixel_aspect_ratio(0,0,0,0,0);" ; then
1096             gpac="yes"
1097         else
1098             echo "Warning: gpac is too old, update to 2007-06-21 UTC or later"
1099         fi
1100     fi
1101 fi
1102
1103 if [ "$lsmash" = "yes" ] ; then
1104     mp4="lsmash"
1105     LDFLAGSCLI="$LSMASH_LIBS $LDFLAGSCLI"
1106     CFLAGS="$CFLAGS $LSMASH_CFLAGS"
1107     define HAVE_LSMASH
1108 elif [ "$gpac" = "yes" ] ; then
1109     mp4="gpac"
1110     define HAVE_GPAC
1111     LDFLAGSCLI="$GPAC_LIBS $LDFLAGSCLI"
1112 fi
1113
1114 if [ "$avs" = "auto" ] ; then
1115     avs="no"
1116     # cygwin can use avisynth if it can use LoadLibrary
1117     if [ $SYS = WINDOWS ] || ([ $SYS = CYGWIN ] && cc_check windows.h "" "LoadLibraryW(0);") ; then
1118         avs="avisynth"
1119         define HAVE_AVS
1120         define USE_AVXSYNTH 0
1121     elif [ "$SYS" = "LINUX" -o "$SYS" = "MACOSX" ] ; then
1122     # AvxSynth currently only supports Linux and OSX
1123         avs="avxsynth"
1124         define HAVE_AVS
1125         define USE_AVXSYNTH 1
1126         AVS_LIBS="-ldl"
1127         LDFLAGSCLI="$AVS_LIBS $LDFLAGSCLI"
1128     fi
1129 fi
1130
1131 cc_check "stdint.h" "" "uint32_t test_vec __attribute__ ((vector_size (16))) = {0,1,2,3};" && define HAVE_VECTOREXT
1132
1133 if [ "$pic" = "yes" ] ; then
1134     [ "$SYS" != WINDOWS -a "$SYS" != CYGWIN ] && CFLAGS="$CFLAGS -fPIC"
1135     ASFLAGS="$ASFLAGS -DPIC"
1136     # resolve textrels in the x86 asm
1137     cc_check stdio.h "-shared -Wl,-Bsymbolic" && SOFLAGS="$SOFLAGS -Wl,-Bsymbolic"
1138     [ $SYS = SunOS -a "$ARCH" = "X86" ] && SOFLAGS="$SOFLAGS -mimpure-text"
1139 fi
1140
1141 if [ "$debug" != "yes" -a "$gprof" != "yes" ]; then
1142     CFLAGS="$CFLAGS -fomit-frame-pointer"
1143 fi
1144
1145 if [ "$strip" = "yes" ]; then
1146     LDFLAGS="$LDFLAGS -s"
1147 fi
1148
1149 if [ "$debug" = "yes" ]; then
1150     CFLAGS="-O1 -g $CFLAGS"
1151 else
1152     CFLAGS="-O3 -ffast-math $CFLAGS"
1153 fi
1154
1155 if cc_check '' -fno-tree-vectorize ; then
1156     CFLAGS="$CFLAGS -fno-tree-vectorize"
1157 fi
1158
1159 if [ $SYS = WINDOWS -a $ARCH = X86 -a $compiler = GNU ] ; then
1160     # workaround gcc/ld bug with alignment of static variables/arrays that are initialized to zero
1161     cc_check '' -fno-zero-initialized-in-bss && CFLAGS="$CFLAGS -fno-zero-initialized-in-bss"
1162 fi
1163
1164 if cc_check "stdio.h" "" "fseeko(stdin,0,0);" ; then
1165     define fseek fseeko
1166     define ftell ftello
1167 elif cc_check "stdio.h" "" "fseeko64(stdin,0,0);" ; then
1168     define fseek fseeko64
1169     define ftell ftello64
1170 elif cc_check "stdio.h" "" "_fseeki64(stdin,0,0);" ; then
1171     define fseek _fseeki64
1172     define ftell _ftelli64
1173 fi
1174
1175 if cc_check '' -Wshadow ; then
1176     CFLAGS="-Wshadow $CFLAGS"
1177 fi
1178
1179 if cc_check '' -Wmaybe-uninitialized ; then
1180     CFLAGS="-Wno-maybe-uninitialized $CFLAGS"
1181 fi
1182
1183 if [ $compiler = ICC -o $compiler = ICL ] ; then
1184     if cc_check 'extras/intel_dispatcher.h' '' 'x264_intel_dispatcher_override();' ; then
1185         define HAVE_INTEL_DISPATCHER
1186     fi
1187 fi
1188
1189 if [ "$bit_depth" -gt "8" ]; then
1190     define HIGH_BIT_DEPTH
1191     ASFLAGS="$ASFLAGS -DHIGH_BIT_DEPTH=1"
1192     opencl="no"
1193 else
1194     ASFLAGS="$ASFLAGS -DHIGH_BIT_DEPTH=0"
1195 fi
1196
1197 if [ "$chroma_format" != "all" ]; then
1198     define CHROMA_FORMAT CHROMA_$chroma_format
1199 fi
1200
1201 ASFLAGS="$ASFLAGS -DBIT_DEPTH=$bit_depth"
1202
1203 [ $gpl = yes ] && define HAVE_GPL && x264_gpl=1 || x264_gpl=0
1204
1205 [ $interlaced = yes ] && define HAVE_INTERLACED && x264_interlaced=1 || x264_interlaced=0
1206
1207 libdl=""
1208 if [ "$opencl" = "yes" ]; then
1209     opencl="no"
1210     # cygwin can use opencl if it can use LoadLibrary
1211     if [ $SYS = WINDOWS ] || ([ $SYS = CYGWIN ] && cc_check windows.h "" "LoadLibraryW(0);") ; then
1212         opencl="yes"
1213         define HAVE_OPENCL
1214     elif [ "$SYS" = "LINUX" -o "$SYS" = "MACOSX" ] ; then
1215         opencl="yes"
1216         define HAVE_OPENCL
1217         libdl="-ldl"
1218     fi
1219     LDFLAGS="$LDFLAGS $libdl"
1220 fi
1221
1222 #define undefined vars as 0
1223 for var in $CONFIG_HAVE; do
1224     grep -q "HAVE_$var 1" config.h || define HAVE_$var 0
1225 done
1226
1227 # generate exported config file
1228
1229 config_chroma_format="X264_CSP_I$chroma_format"
1230 [ "$config_chroma_format" == "X264_CSP_Iall" ] && config_chroma_format="0"
1231 cat > x264_config.h << EOF
1232 #define X264_BIT_DEPTH     $bit_depth
1233 #define X264_GPL           $x264_gpl
1234 #define X264_INTERLACED    $x264_interlaced
1235 #define X264_CHROMA_FORMAT $config_chroma_format
1236 EOF
1237
1238 ${SRCPATH}/version.sh >> x264_config.h
1239
1240 if [ "$cli_libx264" = "system" ] ; then
1241     if [ "$shared" = "yes" ]; then
1242         CLI_LIBX264='$(SONAME)'
1243     else
1244         CLI_LIBX264=
1245         LDFLAGSCLI="$X264_LIBS $LDFLAGSCLI"
1246         cc_check 'stdint.h x264.h' '' 'x264_encoder_open(0);' || die "System libx264 can't be used for compilation of this version"
1247     fi
1248 else
1249     CLI_LIBX264='$(LIBX264)'
1250 fi
1251
1252 DEPMM="${QPRE}MM"
1253 DEPMT="${QPRE}MT"
1254 if [ $compiler_style = MS ]; then
1255     AR="lib -nologo -out:"
1256     LD="link -out:"
1257     if [ $compiler = ICL ]; then
1258         AR="xi$AR"
1259         LD="xi$LD"
1260     else
1261         mslink="$(dirname "$(command -v cl 2>/dev/null)")/link"
1262         [ -x "$mslink" ] && LD="\"$mslink\" -out:"
1263     fi
1264     HAVE_GETOPT_LONG=0
1265     LDFLAGS="-nologo -incremental:no $(cl_ldflags $LDFLAGS)"
1266     LDFLAGSCLI="$(cl_ldflags $LDFLAGSCLI)"
1267     LIBX264=libx264.lib
1268     RANLIB=
1269     [ -n "$RC" ] && RCFLAGS="$RCFLAGS -nologo -I. -I\$(SRCPATH)/extras -fo"
1270     STRIP=
1271     if [ $debug = yes ]; then
1272         LDFLAGS="-debug $LDFLAGS"
1273         CFLAGS="-D_DEBUG $CFLAGS"
1274     else
1275         CFLAGS="-DNDEBUG $CFLAGS"
1276     fi
1277 else # gcc/icc
1278     DEPMM="$DEPMM -g0"
1279     AR="$AR rc "
1280     LD="$CC -o "
1281     LIBX264=libx264.a
1282     [ -n "$RC" ] && RCFLAGS="$RCFLAGS -I. -o "
1283 fi
1284 [ $compiler != GNU ] && CFLAGS="$(cc_cflags $CFLAGS)"
1285 if [ $compiler = ICC -o $compiler = ICL ]; then
1286     # icc does not define __SSE__ until SSE2 optimization and icl never defines it or _M_IX86_FP
1287     [ \( $ARCH = X86_64 -o $ARCH = X86 \) -a $asm = yes ] && ! cpp_check "" "" "defined(__SSE__)" && define __SSE__
1288     PROF_GEN_CC="${QPRE}prof-gen ${QPRE}prof-dir."
1289     PROF_GEN_LD=
1290     PROF_USE_CC="${QPRE}prof-use ${QPRE}prof-dir."
1291     PROF_USE_LD=
1292 elif [ $compiler = CL ]; then
1293     # Visual Studio
1294     # _M_IX86_FP is only defined on x86
1295     [ $ARCH = X86 ] && cpp_check '' '' '_M_IX86_FP >= 1' && define __SSE__
1296     [ $ARCH = X86_64 ] && define __SSE__
1297     # As long as the cli application can't link against the dll, the dll can not be pgo'd.
1298     # pgds are link flag specific and the -dll flag for creating the dll makes it unshareable with the cli
1299     PROF_GEN_CC="-GL"
1300     PROF_GEN_LD="-LTCG:PGINSTRUMENT"
1301     PROF_USE_CC="-GL"
1302     PROF_USE_LD="-LTCG:PGOPTIMIZE"
1303 else
1304     PROF_GEN_CC="-fprofile-generate"
1305     PROF_GEN_LD="-fprofile-generate"
1306     PROF_USE_CC="-fprofile-use"
1307     PROF_USE_LD="-fprofile-use"
1308 fi
1309
1310 # generate config files
1311
1312 cat > config.mak << EOF
1313 SRCPATH=$SRCPATH
1314 prefix=$prefix
1315 exec_prefix=$exec_prefix
1316 bindir=$bindir
1317 libdir=$libdir
1318 includedir=$includedir
1319 SYS_ARCH=$ARCH
1320 SYS=$SYS
1321 CC=$CC
1322 CFLAGS=$CFLAGS
1323 COMPILER=$compiler
1324 COMPILER_STYLE=$compiler_style
1325 DEPMM=$DEPMM
1326 DEPMT=$DEPMT
1327 LD=$LD
1328 LDFLAGS=$LDFLAGS
1329 LIBX264=$LIBX264
1330 AR=$AR
1331 RANLIB=$RANLIB
1332 STRIP=$STRIP
1333 INSTALL=$INSTALL
1334 AS=$AS
1335 ASFLAGS=$ASFLAGS
1336 RC=$RC
1337 RCFLAGS=$RCFLAGS
1338 EXE=$EXE
1339 HAVE_GETOPT_LONG=$HAVE_GETOPT_LONG
1340 DEVNULL=$DEVNULL
1341 PROF_GEN_CC=$PROF_GEN_CC
1342 PROF_GEN_LD=$PROF_GEN_LD
1343 PROF_USE_CC=$PROF_USE_CC
1344 PROF_USE_LD=$PROF_USE_LD
1345 HAVE_OPENCL=$opencl
1346 EOF
1347
1348 if [ $compiler_style = MS ]; then
1349     echo '%.o: %.c' >> config.mak
1350     echo '      $(CC) $(CFLAGS) -c -Fo$@ $<' >> config.mak
1351 fi
1352
1353 if [ "$cli" = "yes" ]; then
1354     echo 'default: cli' >> config.mak
1355     echo 'install: install-cli' >> config.mak
1356 fi
1357
1358 if [ "$shared" = "yes" ]; then
1359     API=$(grep '#define X264_BUILD' < ${SRCPATH}/x264.h | cut -f 3 -d ' ')
1360     if [ "$SYS" = "WINDOWS" -o "$SYS" = "CYGWIN" ]; then
1361         echo "SONAME=libx264-$API.dll" >> config.mak
1362         if [ $compiler_style = MS ]; then
1363             echo 'IMPLIBNAME=libx264.dll.lib' >> config.mak
1364             # GNU ld on windows defaults to exporting all global functions if there are no explicit __declspec(dllexport) declarations
1365             # MSVC link does not act similarly, so it is required to make an export definition out of x264.h and use it at link time
1366             echo "SOFLAGS=-dll -def:x264.def -implib:\$(IMPLIBNAME) $SOFLAGS" >> config.mak
1367             echo "EXPORTS" > x264.def
1368             # export API functions
1369             grep "^\(int\|void\|x264_t\).*x264" ${SRCPATH}/x264.h | sed -e "s/.*\(x264.*\)(.*/\1/;s/open/open_$API/g" >> x264.def
1370             # export API variables/data. must be flagged with the DATA keyword
1371             grep "extern.*x264" ${SRCPATH}/x264.h | sed -e "s/.*\(x264\w*\)\W.*/\1 DATA/;" >> x264.def
1372         else
1373             echo 'IMPLIBNAME=libx264.dll.a' >> config.mak
1374             echo "SOFLAGS=-shared -Wl,--out-implib,\$(IMPLIBNAME) -Wl,--enable-auto-image-base $SOFLAGS" >> config.mak
1375         fi
1376     elif [ "$SYS" = "MACOSX" ]; then
1377         echo "SOSUFFIX=dylib" >> config.mak
1378         echo "SONAME=libx264.$API.dylib" >> config.mak
1379         echo "SOFLAGS=-shared -dynamiclib -Wl,-single_module -Wl,-read_only_relocs,suppress -install_name \$(DESTDIR)\$(libdir)/\$(SONAME) $SOFLAGS" >> config.mak
1380     elif [ "$SYS" = "SunOS" ]; then
1381         echo "SOSUFFIX=so" >> config.mak
1382         echo "SONAME=libx264.so.$API" >> config.mak
1383         echo "SOFLAGS=-shared -Wl,-h,\$(SONAME) $SOFLAGS" >> config.mak
1384     else
1385         echo "SOSUFFIX=so" >> config.mak
1386         echo "SONAME=libx264.so.$API" >> config.mak
1387         echo "SOFLAGS=-shared -Wl,-soname,\$(SONAME) $SOFLAGS" >> config.mak
1388     fi
1389     echo 'default: lib-shared' >> config.mak
1390     echo 'install: install-lib-shared' >> config.mak
1391 fi
1392
1393 if [ "$static" = "yes" ]; then
1394     echo 'default: lib-static' >> config.mak
1395     echo 'install: install-lib-static' >> config.mak
1396 fi
1397
1398 echo "LDFLAGSCLI = $LDFLAGSCLI" >> config.mak
1399 echo "CLI_LIBX264 = $CLI_LIBX264" >> config.mak
1400
1401 cat > x264.pc << EOF
1402 prefix=$prefix
1403 exec_prefix=$exec_prefix
1404 libdir=$libdir
1405 includedir=$includedir
1406
1407 Name: x264
1408 Description: H.264 (MPEG4 AVC) encoder library
1409 Version: $(grep POINTVER < x264_config.h | sed -e 's/.* "//; s/".*//')
1410 Libs: -L$libdir -lx264 $([ "$shared" = "yes" ] || echo $libpthread $libm $libdl)
1411 Libs.private: $([ "$shared" = "yes" ] && echo $libpthread $libm $libdl)
1412 Cflags: -I$includedir
1413 EOF
1414
1415 filters="crop select_every"
1416 gpl_filters=""
1417 [ $swscale = yes ] && filters="resize $filters"
1418 [ $gpl = yes ] && filters="$filters $gpl_filters"
1419
1420 cat > conftest.log <<EOF
1421 platform:      $ARCH
1422 byte order:    $CPU_ENDIAN
1423 system:        $SYS
1424 cli:           $cli
1425 libx264:       $cli_libx264
1426 shared:        $shared
1427 static:        $static
1428 asm:           $asm
1429 interlaced:    $interlaced
1430 avs:           $avs
1431 lavf:          $lavf
1432 ffms:          $ffms
1433 mp4:           $mp4
1434 gpl:           $gpl
1435 thread:        $thread
1436 opencl:        $opencl
1437 filters:       $filters
1438 debug:         $debug
1439 gprof:         $gprof
1440 strip:         $strip
1441 PIC:           $pic
1442 bit depth:     $bit_depth
1443 chroma format: $chroma_format
1444 EOF
1445
1446 echo >> config.log
1447 cat conftest.log >> config.log
1448 cat conftest.log
1449
1450 [ "$SRCPATH" != "." ] && ln -sf ${SRCPATH}/Makefile ./Makefile
1451 mkdir -p common/{aarch64,arm,ppc,x86} encoder extras filters/video input output tools
1452
1453 echo
1454 echo "You can run 'make' or 'make fprofiled' now."
1455