]> git.sesse.net Git - x264/blob - configure
Update configure for auto detection of system libx264 configuration
[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=
267     for arg in $1; do
268         if [ "${arg#-I}" != "$arg" -a -e "${arg#-I}/x264_config.h" ]; then
269             x264_config_path=${arg#-I}/x264_config.h
270             break
271         fi
272     done
273     if [ -n "$x264_config_path" ]; then
274         res=$?
275         log_ok
276         arg=$(grep '#define X264_GPL ' $x264_config_path | sed -e 's/#define X264_GPL *//; s/ *$//')
277         if [ -n "$arg" ]; then
278             [ "$arg" = 0 ] && arg="no" || arg="yes"
279             [ "$arg" != "$gpl" ] && die "Incompatible license with system libx264"
280         fi
281         arg=$(grep '#define X264_BIT_DEPTH ' $x264_config_path | sed -e 's/#define X264_BIT_DEPTH *//; s/ *$//')
282         if [ -n "$arg" ]; then
283             if [ "$arg" != "$bit_depth" ]; then
284                 echo "Override output bit depth with system libx264 configuration"
285                 bit_depth=$arg
286             fi
287         fi
288         arg=$(grep '#define X264_CHROMA_FORMAT ' $x264_config_path | sed -e 's/#define X264_CHROMA_FORMAT *//; s/ *$//')
289         if [ -n "$arg" ]; then
290             [ "$arg" = 0 ] && arg="all" || arg="${arg#X264_CSP_I}"
291             if [ "$arg" != "$chroma_format" ]; then
292                 echo "Override output chroma format with system libx264 configuration"
293                 chroma_format=$arg
294             fi
295         fi
296         arg=$(grep '#define X264_INTERLACED ' $x264_config_path | sed -e 's/#define X264_INTERLACED *//; s/ *$//')
297         if [ -n "$arg" ]; then
298             [ "$arg" = 0 ] && arg="no" || arg="yes"
299             if [ "$arg" != "$interlaced" ]; then
300                 echo "Override interlaced encoding support with system libx264 configuration"
301                 interlaced=$arg
302             fi
303         fi
304     else
305         res=$?
306         log_fail
307         log_msg "Failed search path was: $1"
308     fi
309     return $res
310 }
311
312 rm -f x264_config.h config.h config.mak config.log x264.pc x264.def conftest*
313
314 SRCPATH="$(cd $(dirname $0); pwd)"
315 [ "$SRCPATH" = "$(pwd)" ] && SRCPATH=.
316 [ -n "$(echo $SRCPATH | grep ' ')" ] && die "Out of tree builds are impossible with whitespace in source path."
317 [ -e "$SRCPATH/config.h" -o -e "$SRCPATH/x264_config.h" ] && die "Out of tree builds are impossible with config.h/x264_config.h in source dir."
318
319 prefix='/usr/local'
320 exec_prefix='${prefix}'
321 bindir='${exec_prefix}/bin'
322 libdir='${exec_prefix}/lib'
323 includedir='${prefix}/include'
324 DEVNULL='/dev/null'
325
326 cli="yes"
327 cli_libx264="internal"
328 shared="no"
329 static="no"
330 avs="auto"
331 lavf="auto"
332 ffms="auto"
333 gpac="auto"
334 lsmash="auto"
335 mp4="no"
336 gpl="yes"
337 thread="auto"
338 swscale="auto"
339 asm="auto"
340 interlaced="yes"
341 debug="no"
342 gprof="no"
343 strip="no"
344 pic="no"
345 bit_depth="8"
346 chroma_format="all"
347 compiler="GNU"
348 compiler_style="GNU"
349 opencl="yes"
350
351 CFLAGS="$CFLAGS -Wall -I. -I\$(SRCPATH)"
352 LDFLAGS="$LDFLAGS"
353 LDFLAGSCLI="$LDFLAGSCLI"
354 ASFLAGS="$ASFLAGS -I. -I\$(SRCPATH)"
355 RCFLAGS="$RCFLAGS"
356 CHECK_CFLAGS=""
357 HAVE_GETOPT_LONG=1
358 cross_prefix=""
359
360 EXE=""
361 AS_EXT=".S"
362 NL="
363 "
364
365 # list of all preprocessor HAVE values we can define
366 CONFIG_HAVE="MALLOC_H ALTIVEC ALTIVEC_H MMX ARMV6 ARMV6T2 NEON BEOSTHREAD POSIXTHREAD WIN32THREAD THREAD LOG2F SWSCALE \
367              LAVF FFMS GPAC AVS GPL VECTOREXT INTERLACED CPU_COUNT OPENCL THP LSMASH X86_INLINE_ASM AS_FUNC INTEL_DISPATCHER"
368
369 # parse options
370
371 for opt do
372     optarg="${opt#*=}"
373     case "$opt" in
374         --prefix=*)
375             prefix="$optarg"
376             ;;
377         --exec-prefix=*)
378             exec_prefix="$optarg"
379             ;;
380         --bindir=*)
381             bindir="$optarg"
382             ;;
383         --libdir=*)
384             libdir="$optarg"
385             ;;
386         --includedir=*)
387             includedir="$optarg"
388             ;;
389         --disable-cli)
390             cli="no"
391             ;;
392         --system-libx264)
393             cli_libx264="system"
394             ;;
395         --enable-shared)
396             shared="yes"
397             ;;
398         --enable-static)
399             static="yes"
400             ;;
401         --disable-asm)
402             asm="no"
403             ;;
404         --disable-interlaced)
405             interlaced="no"
406             ;;
407         --disable-avs)
408             avs="no"
409             ;;
410         --disable-lavf)
411             lavf="no"
412             ;;
413         --disable-ffms)
414             ffms="no"
415             ;;
416         --disable-gpac)
417             gpac="no"
418             ;;
419         --disable-lsmash)
420             lsmash="no"
421             ;;
422         --disable-gpl)
423             gpl="no"
424             ;;
425         --extra-asflags=*)
426             ASFLAGS="$ASFLAGS $optarg"
427             ;;
428         --extra-cflags=*)
429             CFLAGS="$CFLAGS $optarg"
430             ;;
431         --extra-ldflags=*)
432             LDFLAGS="$LDFLAGS $optarg"
433             ;;
434         --extra-rcflags=*)
435             RCFLAGS="$RCFLAGS $optarg"
436             ;;
437         --disable-thread)
438             thread="no"
439             ;;
440         --enable-win32thread)
441             thread="win32"
442             ;;
443         --disable-swscale)
444             swscale="no"
445             ;;
446         --enable-debug)
447             debug="yes"
448             ;;
449         --enable-gprof)
450             CFLAGS="$CFLAGS -pg"
451             LDFLAGS="$LDFLAGS -pg"
452             gprof="yes"
453             ;;
454         --enable-strip)
455             strip="yes"
456             ;;
457         --enable-pic)
458             pic="yes"
459             ;;
460         --host=*)
461             host="$optarg"
462             ;;
463         --disable-opencl)
464             opencl="no"
465             ;;
466         --cross-prefix=*)
467             cross_prefix="$optarg"
468             ;;
469         --sysroot=*)
470             CFLAGS="$CFLAGS --sysroot=$optarg"
471             LDFLAGS="$LDFLAGS --sysroot=$optarg"
472             ;;
473         --bit-depth=*)
474             bit_depth="$optarg"
475             if [ "$bit_depth" -lt "8" -o "$bit_depth" -gt "10" ]; then
476                 echo "Supplied bit depth must be in range [8,10]."
477                 exit 1
478             fi
479             bit_depth=`expr $bit_depth + 0`
480             ;;
481         --chroma-format=*)
482             chroma_format="$optarg"
483             if [ $chroma_format != "420" -a $chroma_format != "422" -a $chroma_format != "444" -a $chroma_format != "all" ]; then
484                 echo "Supplied chroma format must be 420, 422, 444 or all."
485                 exit 1
486             fi
487             ;;
488         *)
489             echo "Unknown option $opt, ignored"
490             ;;
491     esac
492 done
493
494 [ "$cli" = "no" -a "$shared" = "no" -a "$static" = "no" ] && die "Nothing to build. Enable cli, shared or static."
495
496 CC="${CC-${cross_prefix}gcc}"
497 AR="${AR-${cross_prefix}ar}"
498 RANLIB="${RANLIB-${cross_prefix}ranlib}"
499 STRIP="${STRIP-${cross_prefix}strip}"
500 INSTALL="${INSTALL-install}"
501
502 if [ "x$host" = x ]; then
503     host=`${SRCPATH}/config.guess`
504 fi
505 # normalize a triplet into a quadruplet
506 host=`${SRCPATH}/config.sub $host`
507
508 # split $host
509 host_cpu="${host%%-*}"
510 host="${host#*-}"
511 host_vendor="${host%%-*}"
512 host_os="${host#*-}"
513
514 trap 'rm -f conftest*' EXIT
515
516 # test for use of compilers that require specific handling
517 cc_base=`basename "$CC"`
518 QPRE="-"
519 if [[ $host_os = mingw* || $host_os = cygwin* ]]; then
520     if [[ "$cc_base" = icl || "$cc_base" = icl[\ .]* ]]; then
521         # Windows Intel Compiler creates dependency generation with absolute Windows paths, Cygwin's make does not support Windows paths.
522         [[ $host_os = cygwin* ]] && die "Windows Intel Compiler support requires MSYS"
523         compiler=ICL
524         compiler_style=MS
525         CFLAGS="$CFLAGS -Qstd=c99 -nologo -Qms0 -DHAVE_STRING_H -I\$(SRCPATH)/extras"
526         QPRE="-Q"
527         `$CC 2>&1 | grep -q IA-32` && host_cpu=i486
528         `$CC 2>&1 | grep -q "Intel(R) 64"` && host_cpu=x86_64
529         cpp_check "" "" "_MSC_VER >= 1400" || die "Windows Intel Compiler support requires Visual Studio 2005 or newer"
530         if cc_check '' -Qdiag-error:10006,10157 ; then
531             CHECK_CFLAGS="$CHECK_CFLAGS -Qdiag-error:10006,10157"
532         fi
533     elif [[ "$cc_base" = cl || "$cc_base" = cl[\ .]* ]]; then
534         # Standard Microsoft Visual Studio
535         # Dependency creation includes absolute windows paths, Cygwin's make does not support Windows paths.
536         [[ $host_os = cygwin* ]] && die "Microsoft Visual Studio support requires MSYS"
537         compiler=CL
538         compiler_style=MS
539         CFLAGS="$CFLAGS -nologo -DHAVE_STRING_H -I\$(SRCPATH)/extras"
540         `$CC 2>&1 | grep -q 'for x86'` && host_cpu=i486
541         `$CC 2>&1 | grep -q 'for x64'` && host_cpu=x86_64
542         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"
543     fi
544 else
545     if [[ "$cc_base" = icc || "$cc_base" = icc[\ .]* ]]; then
546         AR="xiar"
547         compiler=ICC
548     fi
549 fi
550
551 if [[ "$cc_base" = clang || "$cc_base" = clang[\ .]* ]]; then
552     if cc_check '' -Werror=unknown-warning-option ; then
553         CHECK_CFLAGS="$CHECK_CFLAGS -Werror=unknown-warning-option"
554     fi
555 fi
556
557 libm=""
558 case $host_os in
559     beos*)
560         SYS="BEOS"
561         define HAVE_MALLOC_H
562         ;;
563     darwin*)
564         SYS="MACOSX"
565         libm="-lm"
566         if [ "$pic" = "no" ]; then
567             cc_check "" -mdynamic-no-pic && CFLAGS="$CFLAGS -mdynamic-no-pic"
568         fi
569         ;;
570     freebsd*)
571         SYS="FREEBSD"
572         libm="-lm"
573         ;;
574     kfreebsd*-gnu)
575         SYS="FREEBSD"
576         define HAVE_MALLOC_H
577         libm="-lm"
578         ;;
579     netbsd*)
580         SYS="NETBSD"
581         libm="-lm"
582         ;;
583     openbsd*)
584         SYS="OPENBSD"
585         libm="-lm"
586         ;;
587     *linux*)
588         SYS="LINUX"
589         define HAVE_MALLOC_H
590         libm="-lm"
591         ;;
592     gnu*)
593         SYS="HURD"
594         define HAVE_MALLOC_H
595         libm="-lm"
596         ;;
597     cygwin*)
598         EXE=".exe"
599         if cc_check "" -mno-cygwin; then
600             CFLAGS="$CFLAGS -mno-cygwin"
601             LDFLAGS="$LDFLAGS -mno-cygwin"
602         fi
603         if cpp_check "" "" "defined(__CYGWIN__)" ; then
604             define HAVE_MALLOC_H
605             SYS="CYGWIN"
606         else
607             SYS="WINDOWS"
608             DEVNULL="NUL"
609             LDFLAGSCLI="$LDFLAGSCLI -lshell32"
610             RC="${RC-${cross_prefix}windres}"
611         fi
612         ;;
613     mingw*)
614         SYS="WINDOWS"
615         EXE=".exe"
616         DEVNULL="NUL"
617         LDFLAGSCLI="$LDFLAGSCLI -lshell32"
618         [ $compiler = GNU ] && RC="${RC-${cross_prefix}windres}" || RC="${RC-rc}"
619         ;;
620     sunos*|solaris*)
621         SYS="SunOS"
622         define HAVE_MALLOC_H
623         libm="-lm"
624         if cc_check "" /usr/lib/64/values-xpg6.o; then
625             LDFLAGS="$LDFLAGS /usr/lib/64/values-xpg6.o"
626         else
627             LDFLAGS="$LDFLAGS /usr/lib/values-xpg6.o"
628         fi
629         if test -x /usr/ucb/install ; then
630             INSTALL=/usr/ucb/install
631         elif test -x /usr/bin/ginstall ; then
632             # OpenSolaris
633             INSTALL=/usr/bin/ginstall
634         elif test -x /usr/gnu/bin/install ; then
635             # OpenSolaris
636             INSTALL=/usr/gnu/bin/install
637         fi
638         HAVE_GETOPT_LONG=0
639         ;;
640     *qnx*)
641         SYS="QNX"
642         define HAVE_MALLOC_H
643         libm="-lm"
644         HAVE_GETOPT_LONG=0
645         CFLAGS="$CFLAGS -I\$(SRCPATH)/extras"
646         ;;
647     *)
648         die "Unknown system $host, edit the configure"
649         ;;
650 esac
651
652 LDFLAGS="$LDFLAGS $libm"
653
654 stack_alignment=16
655 case $host_cpu in
656     i*86)
657         ARCH="X86"
658         AS="yasm"
659         AS_EXT=".asm"
660         ASFLAGS="$ASFLAGS -O2 -DARCH_X86_64=0 -I\$(SRCPATH)/common/x86/"
661         if [ $compiler = GNU ]; then
662             if [[ "$asm" == auto && "$CFLAGS" != *-march* ]]; then
663                 CFLAGS="$CFLAGS -march=i686"
664             fi
665             if [[ "$asm" == auto && "$CFLAGS" != *-mfpmath* ]]; then
666                 CFLAGS="$CFLAGS -mfpmath=sse -msse"
667             fi
668             CFLAGS="-m32 $CFLAGS"
669             LDFLAGS="-m32 $LDFLAGS"
670         elif [ $compiler = ICC ]; then
671             # icc on linux has various degrees of mod16 stack support
672             if [ $SYS = LINUX ]; then
673                 # < 11 is completely incapable of keeping a mod16 stack
674                 if cpp_check "" "" "__INTEL_COMPILER < 1100" ; then
675                     stack_alignment=4
676                 # 11 <= x < 12 is capable of keeping a mod16 stack, but defaults to not doing so.
677                 elif cpp_check "" "" "__INTEL_COMPILER < 1200" ; then
678                     CFLAGS="$CFLAGS -falign-stack=assume-16-byte"
679                 fi
680                 # >= 12 defaults to a mod16 stack
681             fi
682         else # ICL/CL
683             # always a mod4 stack
684             stack_alignment=4
685         fi
686         if [ "$SYS" = MACOSX ]; then
687             ASFLAGS="$ASFLAGS -f macho -DPREFIX"
688         elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
689             ASFLAGS="$ASFLAGS -f win32 -DPREFIX"
690             LDFLAGS="$LDFLAGS -Wl,--large-address-aware"
691             [ $compiler = GNU ] && LDFLAGS="$LDFLAGS -Wl,--nxcompat -Wl,--dynamicbase"
692             [ $compiler = GNU ] && RCFLAGS="--target=pe-i386 $RCFLAGS"
693         else
694             ASFLAGS="$ASFLAGS -f elf"
695         fi
696         ;;
697     x86_64)
698         ARCH="X86_64"
699         AS="yasm"
700         AS_EXT=".asm"
701         ASFLAGS="$ASFLAGS -DARCH_X86_64=1 -I\$(SRCPATH)/common/x86/"
702         [ $compiler = GNU ] && CFLAGS="-m64 $CFLAGS" && LDFLAGS="-m64 $LDFLAGS"
703         if [ "$SYS" = MACOSX ]; then
704             ASFLAGS="$ASFLAGS -f macho64 -m amd64 -DPIC -DPREFIX"
705             if cc_check '' "-arch x86_64"; then
706                 CFLAGS="$CFLAGS -arch x86_64"
707                 LDFLAGS="$LDFLAGS -arch x86_64"
708             fi
709         elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
710             ASFLAGS="$ASFLAGS -f win32 -m amd64"
711             # only the GNU toolchain is inconsistent in prefixing function names with _
712             [ $compiler = GNU ] && cc_check "" "-S" && grep -q "_main:" conftest && ASFLAGS="$ASFLAGS -DPREFIX"
713             [ $compiler = GNU ] && LDFLAGS="$LDFLAGS -Wl,--nxcompat -Wl,--dynamicbase"
714             [ $compiler = GNU ] && RCFLAGS="--target=pe-x86-64 $RCFLAGS"
715         else
716             ASFLAGS="$ASFLAGS -f elf -m amd64"
717         fi
718         ;;
719     powerpc|powerpc64)
720         ARCH="PPC"
721         if [ $asm = auto ] ; then
722             define HAVE_ALTIVEC
723             AS="${AS-${CC}}"
724             AS_EXT=".c"
725             if [ $SYS = MACOSX ] ; then
726                 CFLAGS="$CFLAGS -faltivec -fastf -mcpu=G4"
727             else
728                 CFLAGS="$CFLAGS -maltivec -mabi=altivec"
729                 define HAVE_ALTIVEC_H
730             fi
731         fi
732         ;;
733     sparc)
734         ARCH="SPARC"
735         ;;
736     mips|mipsel|mips64|mips64el)
737         ARCH="MIPS"
738         ;;
739     arm*)
740         ARCH="ARM"
741         if [ "$SYS" = MACOSX ] ; then
742             AS="${AS-${SRCPATH}/tools/gas-preprocessor.pl -arch arm -- ${CC}}"
743             ASFLAGS="$ASFLAGS -DPREFIX -DPIC"  # apple's ld doesn't support movw/movt relocations at all
744             # build for armv7 by default
745             if ! echo $CFLAGS | grep -Eq '\-arch' ; then
746                 CFLAGS="$CFLAGS -arch armv7"
747                 LDFLAGS="$LDFLAGS -arch armv7"
748             fi
749         else
750             AS="${AS-${CC}}"
751         fi
752         ;;
753     aarch64)
754         ARCH="AARCH64"
755         if [ "$SYS" = MACOSX ] ; then
756             AS="${AS-${SRCPATH}/tools/gas-preprocessor.pl -arch aarch64 -- ${CC}}"
757             ASFLAGS="$ASFLAGS -DPREFIX"
758         else
759             AS="${AS-${CC}}"
760         fi
761         ;;
762     s390|s390x)
763         ARCH="S390"
764         ;;
765     hppa*|parisc*)
766         ARCH="PARISC"
767         ;;
768     ia64)
769         ARCH="IA64"
770         ;;
771     alpha*)
772         ARCH="ALPHA"
773         ;;
774     *)
775         ARCH="$(echo $host_cpu | tr a-z A-Z)"
776         ;;
777 esac
778
779 if [ $SYS = WINDOWS ]; then
780     if ! rc_check "0 RCDATA {0}" ; then
781         RC=""
782     fi
783 fi
784
785 log_msg "x264 configure script"
786 if [ -n "$*" ]; then
787     msg="Command line options:"
788     for i in $@; do
789         msg="$msg \"$i\""
790     done
791     log_msg "$msg"
792 fi
793 log_msg ""
794
795 # check requirements
796
797 cc_check || die "No working C compiler found."
798
799 if [ $compiler_style = GNU ]; then
800     if cc_check '' -std=gnu99 'for( int i = 0; i < 9; i++ );' ; then
801         CFLAGS="$CFLAGS -std=gnu99"
802     elif cc_check '' -std=c99 'for( int i = 0; i < 9; i++ );' ; then
803         CFLAGS="$CFLAGS -std=c99 -D_POSIX_C_SOURCE=200112L -D_BSD_SOURCE"
804     elif ! cc_check '' '' 'for( int i = 0; i < 9; i++ );' ; then
805         die "C99 compiler is needed for compilation."
806     fi
807 fi
808
809 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
810     pic="yes"
811 fi
812
813 if [ $asm = auto -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
814     if ! as_check "vpmovzxwd ymm0, xmm0" ; then
815         VER=`($AS --version || echo no assembler) 2>/dev/null | head -n 1`
816         echo "Found $VER"
817         echo "Minimum version is yasm-1.2.0"
818         echo "If you really want to compile without asm, configure with --disable-asm."
819         exit 1
820     fi
821     cc_check '' '' '__asm__("pabsw %xmm0, %xmm0");' && define HAVE_X86_INLINE_ASM
822     ASFLAGS="$ASFLAGS -Worphan-labels"
823     define HAVE_MMX
824     if [ $compiler = GNU ] && cc_check '' -mpreferred-stack-boundary=5 ; then
825         CFLAGS="$CFLAGS -mpreferred-stack-boundary=5"
826         stack_alignment=32
827     fi
828 fi
829
830 if [ $asm = auto -a $ARCH = ARM ] ; then
831     # set flags so neon is built by default
832     echo $CFLAGS | grep -Eq '(-mcpu|-march|-mfpu)' || CFLAGS="$CFLAGS -mcpu=cortex-a8 -mfpu=neon"
833
834     if  cc_check '' '' '__asm__("rev ip, ip");' ; then      define HAVE_ARMV6
835         cc_check '' '' '__asm__("movt r0, #0");'         && define HAVE_ARMV6T2
836         cc_check '' '' '__asm__("vadd.i16 q0, q0, q0");' && define HAVE_NEON
837         ASFLAGS="$ASFLAGS -c"
838     else
839         echo "You specified a pre-ARMv6 or Thumb-1 CPU in your CFLAGS."
840         echo "If you really want to run on such a CPU, configure with --disable-asm."
841         exit 1
842     fi
843 fi
844
845 if [ $asm = auto -a $ARCH = AARCH64 ] ; then
846     # set flags so neon is built by default
847     echo $CFLAGS | grep -Eq '(-mcpu|-march|-mfpu|-arch)' || CFLAGS="$CFLAGS -arch arm64 -mfpu=neon"
848
849     if  cc_check '' '' '__asm__("cmeq v0.8h, v0.8h, #0");' ; then define HAVE_NEON
850         ASFLAGS="$ASFLAGS -c"
851     else
852         echo "no NEON support, try adding -mfpu=neon to CFLAGS"
853         echo "If you really want to run on such a CPU, configure with --disable-asm."
854         exit 1
855     fi
856 fi
857
858 if [ $asm = auto -a \( $ARCH = ARM -o $ARCH = AARCH64 \) ] ; then
859     # check if the assembler supports '.func' (clang 3.5 does not)
860     as_check ".func test${NL}.endfunc" && define HAVE_AS_FUNC 1
861 fi
862
863 [ $asm = no ] && AS=""
864 [ "x$AS" = x ] && asm="no" || asm="yes"
865
866 define ARCH_$ARCH
867 define SYS_$SYS
868
869 define STACK_ALIGNMENT $stack_alignment
870 ASFLAGS="$ASFLAGS -DSTACK_ALIGNMENT=$stack_alignment"
871
872 # 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
873 if [ $compiler = GNU ]; then
874     echo "int i[2] = {0x42494745,0}; double f[2] = {0x1.0656e6469616ep+102,0};" > conftest.c
875     $CC $CFLAGS conftest.c -c -o conftest.o 2>/dev/null || die "endian test failed"
876     if (${cross_prefix}strings -a conftest.o | grep -q BIGE) && (${cross_prefix}strings -a conftest.o | grep -q FPendian) ; then
877         define WORDS_BIGENDIAN
878     elif !(${cross_prefix}strings -a conftest.o | grep -q EGIB && ${cross_prefix}strings -a conftest.o | grep -q naidnePF) ; then
879         die "endian test failed"
880     fi
881 fi
882
883 if [ "$cli_libx264" = "system" -a "$shared" != "yes" ] ; then
884     [ "$static" = "yes" ] && die "Option --system-libx264 can not be used together with --enable-static"
885     if ${cross_prefix}pkg-config --exists x264 2>/dev/null; then
886         X264_LIBS="$X264_LIBS $(${cross_prefix}pkg-config --libs x264)"
887         X264_CFLAGS="$X264_CFLAGS $(${cross_prefix}pkg-config --cflags x264)"
888         configure_system_override "$X264_CFLAGS" || die "Detection of system libx264 configuration failed"
889     else
890         die "Can not find system libx264"
891     fi
892 fi
893
894 # autodetect options that weren't forced nor disabled
895
896 # pthread-win32 is lgpl, prevent its use if --disable-gpl is specified and targeting windows
897 [ "$SYS" = "WINDOWS" -a "$gpl" = "no" -a "$thread" = "auto" ] && thread="win32"
898
899 libpthread=""
900 if [ "$thread" = "auto" ]; then
901     thread="no"
902     case $SYS in
903         BEOS)
904             thread="beos"
905             define HAVE_BEOSTHREAD
906             ;;
907         WINDOWS)
908             if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
909                 thread="posix"
910                 libpthread="-lpthread"
911             elif cc_check pthread.h -lpthreadGC2 "pthread_create(0,0,0,0);" ; then
912                 thread="posix"
913                 libpthread="-lpthreadGC2"
914             elif cc_check pthread.h "-lpthreadGC2 -lwsock32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
915                 thread="posix"
916                 libpthread="-lpthreadGC2 -lwsock32"
917                 define PTW32_STATIC_LIB
918             elif cc_check pthread.h "-lpthreadGC2 -lws2_32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
919                 thread="posix"
920                 libpthread="-lpthreadGC2 -lws2_32"
921                 define PTW32_STATIC_LIB
922             else
923                 # default to native threading if pthread-win32 is unavailable
924                 thread="win32"
925             fi
926             ;;
927         QNX)
928             cc_check pthread.h -lc "pthread_create(0,0,0,0);" && thread="posix" && libpthread="-lc"
929             ;;
930         *)
931             if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
932                thread="posix"
933                libpthread="-lpthread"
934             else
935                 cc_check pthread.h "" "pthread_create(0,0,0,0);" && thread="posix" && libpthread=""
936             fi
937             ;;
938     esac
939 fi
940 if [ "$thread" = "posix" ]; then
941     LDFLAGS="$LDFLAGS $libpthread"
942     define HAVE_POSIXTHREAD
943     if [ "$SYS" = "LINUX" ] && cc_check sched.h "-D_GNU_SOURCE -Werror" "cpu_set_t p_aff; return CPU_COUNT(&p_aff);" ; then
944         define HAVE_CPU_COUNT
945     fi
946 fi
947 if [ "$thread" = "win32" ]; then
948     # cygwin does not support win32 threads
949     if [ "$SYS" = "WINDOWS" ]; then
950         define HAVE_WIN32THREAD
951     else
952         thread="no"
953     fi
954 fi
955 [ "$thread" != "no" ] && define HAVE_THREAD
956
957 if cc_check "math.h" "-Werror" "return log2f(2);" ; then
958     define HAVE_LOG2F
959 fi
960
961 if [ "$SYS" = "LINUX" -a \( "$ARCH" = "X86" -o "$ARCH" = "X86_64" \) ] && cc_check "sys/mman.h" "" "MADV_HUGEPAGE;" ; then
962     define HAVE_THP
963 fi
964
965 if [ "$swscale" = "auto" ] ; then
966     swscale="no"
967     if ${cross_prefix}pkg-config --exists libswscale 2>/dev/null; then
968         SWSCALE_LIBS="$SWSCALE_LIBS $(${cross_prefix}pkg-config --libs libswscale libavutil)"
969         SWSCALE_CFLAGS="$SWSCALE_CFLAGS $(${cross_prefix}pkg-config --cflags libswscale libavutil)"
970     fi
971     [ -z "$SWSCALE_LIBS" ] && SWSCALE_LIBS="-lswscale -lavutil"
972
973     if cc_check "libswscale/swscale.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "sws_init_context(0,0,0);" ; then
974         if cpp_check "libavutil/pixdesc.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "defined(AV_PIX_FMT_FLAG_RGB)" ; then
975             swscale="yes"
976         else
977             echo "Warning: AV_PIX_FMT_FLAG_RGB is missing from libavutil, update for swscale support"
978         fi
979     fi
980 fi
981
982 if [ "$lavf" = "auto" ] ; then
983     lavf="no"
984     if ${cross_prefix}pkg-config --exists libavformat libavcodec libswscale 2>/dev/null; then
985         LAVF_LIBS="$LAVF_LIBS $(${cross_prefix}pkg-config --libs libavformat libavcodec libavutil libswscale)"
986         LAVF_CFLAGS="$LAVF_CFLAGS $(${cross_prefix}pkg-config --cflags libavformat libavcodec libavutil libswscale)"
987     fi
988     if [ -z "$LAVF_LIBS" -a -z "$LAVF_CFLAGS" ]; then
989         LAVF_LIBS="-lavformat"
990         for lib in -lpostproc -lavcodec -lswscale -lavutil -lm -lz -lbz2 $libpthread -lavifil32 -lws2_32; do
991             cc_check "" $lib && LAVF_LIBS="$LAVF_LIBS $lib"
992         done
993     fi
994     LAVF_LIBS="-L. $LAVF_LIBS"
995     if cc_check libavformat/avformat.h "$LAVF_CFLAGS $LAVF_LIBS" "av_frame_free(0);" ; then
996         if [ "$swscale" = "yes" ]; then
997             lavf="yes"
998         else
999             echo "Warning: libavformat is not supported without swscale support"
1000         fi
1001     fi
1002 fi
1003
1004 if [ "$ffms" = "auto" ] ; then
1005     ffms_major="2"; ffms_minor="16"; ffms_micro="2"; ffms_bump="0"
1006     ffms="no"
1007
1008     if ${cross_prefix}pkg-config --exists ffms2 2>/dev/null; then
1009         FFMS2_LIBS="$FFMS2_LIBS $(${cross_prefix}pkg-config --libs ffms2)"
1010         FFMS2_CFLAGS="$FFMS2_CFLAGS $(${cross_prefix}pkg-config --cflags ffms2)"
1011     fi
1012     [ -z "$FFMS2_LIBS" ] && FFMS2_LIBS="-lffms2"
1013
1014     if cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS" "FFMS_DestroyVideoSource(0);" ; then
1015         ffms="yes"
1016     elif cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS -lstdc++ $LAVF_LIBS" "FFMS_DestroyVideoSource(0);" ; then
1017         ffms="yes"
1018         FFMS2_LIBS="$FFMS2_LIBS -lstdc++ $LAVF_LIBS"
1019     fi
1020
1021     error="ffms must be at least version $ffms_major.$ffms_minor.$ffms_micro.$ffms_bump"
1022     if [ $ffms = "yes" ] && ! cpp_check "ffms.h" "$FFMS2_CFLAGS" "FFMS_VERSION >= (($ffms_major << 24) | ($ffms_minor << 16) | ($ffms_micro << 8) | $ffms_bump)" "$error"; then
1023        ffms="no"
1024        echo "Warning: $error"
1025     fi
1026     if [ "$ffms" = "yes" -a "$swscale" = "no" ]; then
1027         echo "Warning: ffms is not supported without swscale support"
1028         ffms="no"
1029     fi
1030 fi
1031
1032 if [ "$swscale" = "yes" ]; then
1033     LDFLAGSCLI="$SWSCALE_LIBS $LDFLAGSCLI"
1034     CFLAGS="$CFLAGS $SWSCALE_CFLAGS"
1035     define HAVE_SWSCALE
1036     if [ "$lavf" = "yes" ]; then
1037         LDFLAGSCLI="$LAVF_LIBS $LDFLAGSCLI"
1038         CFLAGS="$CFLAGS $LAVF_CFLAGS"
1039         define HAVE_LAVF
1040     fi
1041     if [ "$ffms" = "yes" ]; then
1042         LDFLAGSCLI="$FFMS2_LIBS $LDFLAGSCLI"
1043         CFLAGS="$CFLAGS $FFMS2_CFLAGS"
1044         define HAVE_FFMS
1045     fi
1046 fi
1047
1048 if [ "$lsmash" = "auto" ] ; then
1049     lsmash="no"
1050     if ${cross_prefix}pkg-config --exists liblsmash 2>/dev/null; then
1051         LSMASH_LIBS="$LSMASH_LIBS $(${cross_prefix}pkg-config --libs liblsmash)"
1052         LSMASH_CFLAGS="$LSMASH_CFLAGS $(${cross_prefix}pkg-config --cflags liblsmash)"
1053     fi
1054     [ -z "$LSMASH_LIBS" ] && LSMASH_LIBS="-llsmash"
1055
1056     if cc_check lsmash.h "$LSMASH_CFLAGS $LSMASH_LIBS" ; then
1057         if cpp_check lsmash.h "$LSMASH_CFLAGS" "LSMASH_VERSION_MAJOR > 1 || (LSMASH_VERSION_MAJOR == 1 && LSMASH_VERSION_MINOR >= 5)" ; then
1058             lsmash="yes"
1059         else
1060             echo "Warning: lsmash is too old, update to rev.895 or later"
1061         fi
1062     fi
1063 fi
1064
1065 if [ "$gpac" = "auto" -a "$lsmash" != "yes" ] ; then
1066     gpac="no"
1067     GPAC_LIBS="-lgpac_static"
1068     cc_check "" -lz && GPAC_LIBS="$GPAC_LIBS -lz"
1069     if [ "$SYS" = "WINDOWS" ] ; then
1070         cc_check "" -lws2_32 && GPAC_LIBS="$GPAC_LIBS -lws2_32"
1071         cc_check "" -lwinmm && GPAC_LIBS="$GPAC_LIBS -lwinmm"
1072     fi
1073     if cc_check gpac/isomedia.h "$GPAC_LIBS" ; then
1074         if cc_check gpac/isomedia.h "$GPAC_LIBS" "gf_isom_set_pixel_aspect_ratio(0,0,0,0,0);" ; then
1075             gpac="yes"
1076         else
1077             echo "Warning: gpac is too old, update to 2007-06-21 UTC or later"
1078         fi
1079     fi
1080 fi
1081
1082 if [ "$lsmash" = "yes" ] ; then
1083     mp4="lsmash"
1084     LDFLAGSCLI="$LSMASH_LIBS $LDFLAGSCLI"
1085     CFLAGS="$CFLAGS $LSMASH_CFLAGS"
1086     define HAVE_LSMASH
1087 elif [ "$gpac" = "yes" ] ; then
1088     mp4="gpac"
1089     define HAVE_GPAC
1090     LDFLAGSCLI="$GPAC_LIBS $LDFLAGSCLI"
1091 fi
1092
1093 if [ "$avs" = "auto" ] ; then
1094     avs="no"
1095     # cygwin can use avisynth if it can use LoadLibrary
1096     if [ $SYS = WINDOWS ] || ([ $SYS = CYGWIN ] && cc_check windows.h "" "LoadLibraryW(0);") ; then
1097         avs="avisynth"
1098         define HAVE_AVS
1099         define USE_AVXSYNTH 0
1100     elif [ "$SYS" = "LINUX" -o "$SYS" = "MACOSX" ] ; then
1101     # AvxSynth currently only supports Linux and OSX
1102         avs="avxsynth"
1103         define HAVE_AVS
1104         define USE_AVXSYNTH 1
1105         AVS_LIBS="-ldl"
1106         LDFLAGSCLI="$AVS_LIBS $LDFLAGSCLI"
1107     fi
1108 fi
1109
1110 cc_check "stdint.h" "" "uint32_t test_vec __attribute__ ((vector_size (16))) = {0,1,2,3};" && define HAVE_VECTOREXT
1111
1112 if [ "$pic" = "yes" ] ; then
1113     CFLAGS="$CFLAGS -fPIC"
1114     ASFLAGS="$ASFLAGS -DPIC"
1115     # resolve textrels in the x86 asm
1116     cc_check stdio.h "-shared -Wl,-Bsymbolic" && SOFLAGS="$SOFLAGS -Wl,-Bsymbolic"
1117     [ $SYS = SunOS -a "$ARCH" = "X86" ] && SOFLAGS="$SOFLAGS -mimpure-text"
1118 fi
1119
1120 if [ "$debug" != "yes" -a "$gprof" != "yes" ]; then
1121     CFLAGS="$CFLAGS -fomit-frame-pointer"
1122 fi
1123
1124 if [ "$strip" = "yes" ]; then
1125     LDFLAGS="$LDFLAGS -s"
1126 fi
1127
1128 if [ "$debug" = "yes" ]; then
1129     CFLAGS="-O1 -g $CFLAGS"
1130 else
1131     CFLAGS="-O3 -ffast-math $CFLAGS"
1132 fi
1133
1134 if cc_check '' -fno-tree-vectorize ; then
1135     CFLAGS="$CFLAGS -fno-tree-vectorize"
1136 fi
1137
1138 if [ $SYS = WINDOWS -a $ARCH = X86 -a $compiler = GNU ] ; then
1139     # workaround gcc/ld bug with alignment of static variables/arrays that are initialized to zero
1140     cc_check '' -fno-zero-initialized-in-bss && CFLAGS="$CFLAGS -fno-zero-initialized-in-bss"
1141 fi
1142
1143 if cc_check "stdio.h" "" "fseeko(stdin,0,0);" ; then
1144     define fseek fseeko
1145     define ftell ftello
1146 elif cc_check "stdio.h" "" "fseeko64(stdin,0,0);" ; then
1147     define fseek fseeko64
1148     define ftell ftello64
1149 elif cc_check "stdio.h" "" "_fseeki64(stdin,0,0);" ; then
1150     define fseek _fseeki64
1151     define ftell _ftelli64
1152 fi
1153
1154 if cc_check '' -Wshadow ; then
1155     CFLAGS="-Wshadow $CFLAGS"
1156 fi
1157
1158 if cc_check '' -Wmaybe-uninitialized ; then
1159     CFLAGS="-Wno-maybe-uninitialized $CFLAGS"
1160 fi
1161
1162 if [ $compiler = ICC -o $compiler = ICL ] ; then
1163     if cc_check 'extras/intel_dispatcher.h' '' 'x264_intel_dispatcher_override();' ; then
1164         define HAVE_INTEL_DISPATCHER
1165     fi
1166 fi
1167
1168 if [ "$bit_depth" -gt "8" ]; then
1169     define HIGH_BIT_DEPTH
1170     ASFLAGS="$ASFLAGS -DHIGH_BIT_DEPTH=1"
1171     opencl="no"
1172 else
1173     ASFLAGS="$ASFLAGS -DHIGH_BIT_DEPTH=0"
1174 fi
1175
1176 if [ "$chroma_format" != "all" ]; then
1177     define CHROMA_FORMAT CHROMA_$chroma_format
1178 fi
1179
1180 ASFLAGS="$ASFLAGS -DBIT_DEPTH=$bit_depth"
1181
1182 [ $gpl = yes ] && define HAVE_GPL && x264_gpl=1 || x264_gpl=0
1183
1184 [ $interlaced = yes ] && define HAVE_INTERLACED && x264_interlaced=1 || x264_interlaced=0
1185
1186 libdl=""
1187 if [ "$opencl" = "yes" ]; then
1188     opencl="no"
1189     # cygwin can use opencl if it can use LoadLibrary
1190     if [ $SYS = WINDOWS ] || ([ $SYS = CYGWIN ] && cc_check windows.h "" "LoadLibraryW(0);") ; then
1191         opencl="yes"
1192         define HAVE_OPENCL
1193     elif [ "$SYS" = "LINUX" -o "$SYS" = "MACOSX" ] ; then
1194         opencl="yes"
1195         define HAVE_OPENCL
1196         libdl="-ldl"
1197     fi
1198     LDFLAGS="$LDFLAGS $libdl"
1199 fi
1200
1201 #define undefined vars as 0
1202 for var in $CONFIG_HAVE; do
1203     grep -q "HAVE_$var 1" config.h || define HAVE_$var 0
1204 done
1205
1206 # generate exported config file
1207
1208 config_chroma_format="X264_CSP_I$chroma_format"
1209 [ "$config_chroma_format" == "X264_CSP_Iall" ] && config_chroma_format="0"
1210 cat > x264_config.h << EOF
1211 #define X264_BIT_DEPTH     $bit_depth
1212 #define X264_GPL           $x264_gpl
1213 #define X264_INTERLACED    $x264_interlaced
1214 #define X264_CHROMA_FORMAT $config_chroma_format
1215 EOF
1216
1217 ${SRCPATH}/version.sh "${SRCPATH}" >> x264_config.h
1218
1219 if [ "$cli_libx264" = "system" ] ; then
1220     if [ "$shared" = "yes" ]; then
1221         CLI_LIBX264='$(SONAME)'
1222     else
1223         CLI_LIBX264=
1224         LDFLAGSCLI="$X264_LIBS $LDFLAGSCLI"
1225         cc_check 'stdint.h x264.h' '' 'x264_encoder_open(0);' || die "System libx264 can't be used for compilation of this version"
1226     fi
1227 else
1228     CLI_LIBX264='$(LIBX264)'
1229 fi
1230
1231 DEPMM="${QPRE}MM"
1232 DEPMT="${QPRE}MT"
1233 if [ $compiler_style = MS ]; then
1234     AR="lib -nologo -out:"
1235     LD="link -out:"
1236     [ $compiler = ICL ] && AR="xi$AR" && LD="xi$LD"
1237     HAVE_GETOPT_LONG=0
1238     LDFLAGS="-nologo -incremental:no $(cl_ldflags $LDFLAGS)"
1239     LDFLAGSCLI="$(cl_ldflags $LDFLAGSCLI)"
1240     LIBX264=libx264.lib
1241     RANLIB=
1242     [ -n "$RC" ] && RCFLAGS="$RCFLAGS -nologo -I. -I\$(SRCPATH)/extras -fo"
1243     STRIP=
1244     if [ $debug = yes ]; then
1245         LDFLAGS="-debug $LDFLAGS"
1246         CFLAGS="-D_DEBUG $CFLAGS"
1247     else
1248         CFLAGS="-DNDEBUG $CFLAGS"
1249     fi
1250 else # gcc/icc
1251     DEPMM="$DEPMM -g0"
1252     AR="$AR rc "
1253     LD="$CC -o "
1254     LIBX264=libx264.a
1255     [ -n "$RC" ] && RCFLAGS="$RCFLAGS -I. -o "
1256 fi
1257 [ $compiler != GNU ] && CFLAGS="$(cc_cflags $CFLAGS)"
1258 if [ $compiler = ICC -o $compiler = ICL ]; then
1259     # icc does not define __SSE__ until SSE2 optimization and icl never defines it or _M_IX86_FP
1260     [ \( $ARCH = X86_64 -o $ARCH = X86 \) -a $asm = yes ] && ! cpp_check "" "" "defined(__SSE__)" && define __SSE__
1261     PROF_GEN_CC="${QPRE}prof-gen ${QPRE}prof-dir."
1262     PROF_GEN_LD=
1263     PROF_USE_CC="${QPRE}prof-use ${QPRE}prof-dir."
1264     PROF_USE_LD=
1265 elif [ $compiler = CL ]; then
1266     # Visual Studio
1267     # _M_IX86_FP is only defined on x86
1268     [ $ARCH = X86 ] && cpp_check '' '' '_M_IX86_FP >= 1' && define __SSE__
1269     [ $ARCH = X86_64 ] && define __SSE__
1270     # As long as the cli application can't link against the dll, the dll can not be pgo'd.
1271     # pgds are link flag specific and the -dll flag for creating the dll makes it unshareable with the cli
1272     PROF_GEN_CC="-GL"
1273     PROF_GEN_LD="-LTCG:PGINSTRUMENT"
1274     PROF_USE_CC="-GL"
1275     PROF_USE_LD="-LTCG:PGOPTIMIZE"
1276 else
1277     PROF_GEN_CC="-fprofile-generate"
1278     PROF_GEN_LD="-fprofile-generate"
1279     PROF_USE_CC="-fprofile-use"
1280     PROF_USE_LD="-fprofile-use"
1281 fi
1282
1283 # generate config files
1284
1285 cat > config.mak << EOF
1286 SRCPATH=$SRCPATH
1287 prefix=$prefix
1288 exec_prefix=$exec_prefix
1289 bindir=$bindir
1290 libdir=$libdir
1291 includedir=$includedir
1292 SYS_ARCH=$ARCH
1293 SYS=$SYS
1294 CC=$CC
1295 CFLAGS=$CFLAGS
1296 COMPILER=$compiler
1297 COMPILER_STYLE=$compiler_style
1298 DEPMM=$DEPMM
1299 DEPMT=$DEPMT
1300 LD=$LD
1301 LDFLAGS=$LDFLAGS
1302 LIBX264=$LIBX264
1303 AR=$AR
1304 RANLIB=$RANLIB
1305 STRIP=$STRIP
1306 INSTALL=$INSTALL
1307 AS=$AS
1308 ASFLAGS=$ASFLAGS
1309 RC=$RC
1310 RCFLAGS=$RCFLAGS
1311 EXE=$EXE
1312 HAVE_GETOPT_LONG=$HAVE_GETOPT_LONG
1313 DEVNULL=$DEVNULL
1314 PROF_GEN_CC=$PROF_GEN_CC
1315 PROF_GEN_LD=$PROF_GEN_LD
1316 PROF_USE_CC=$PROF_USE_CC
1317 PROF_USE_LD=$PROF_USE_LD
1318 HAVE_OPENCL=$opencl
1319 EOF
1320
1321 if [ $compiler_style = MS ]; then
1322     echo '%.o: %.c' >> config.mak
1323     echo '      $(CC) $(CFLAGS) -c -Fo$@ $<' >> config.mak
1324 fi
1325
1326 if [ "$cli" = "yes" ]; then
1327     echo 'default: cli' >> config.mak
1328     echo 'install: install-cli' >> config.mak
1329 fi
1330
1331 if [ "$shared" = "yes" ]; then
1332     API=$(grep '#define X264_BUILD' < ${SRCPATH}/x264.h | cut -f 3 -d ' ')
1333     if [ "$SYS" = "WINDOWS" -o "$SYS" = "CYGWIN" ]; then
1334         echo "SONAME=libx264-$API.dll" >> config.mak
1335         if [ $compiler_style = MS ]; then
1336             echo 'IMPLIBNAME=libx264.dll.lib' >> config.mak
1337             # GNU ld on windows defaults to exporting all global functions if there are no explicit __declspec(dllexport) declarations
1338             # 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
1339             echo "SOFLAGS=-dll -def:x264.def -implib:\$(IMPLIBNAME) $SOFLAGS" >> config.mak
1340             echo "EXPORTS" > x264.def
1341             # export API functions
1342             grep "^\(int\|void\|x264_t\).*x264" ${SRCPATH}/x264.h | sed -e "s/.*\(x264.*\)(.*/\1/;s/open/open_$API/g" >> x264.def
1343             # export API variables/data. must be flagged with the DATA keyword
1344             grep "extern.*x264" ${SRCPATH}/x264.h | sed -e "s/.*\(x264\w*\)\W.*/\1 DATA/;" >> x264.def
1345         else
1346             echo 'IMPLIBNAME=libx264.dll.a' >> config.mak
1347             echo "SOFLAGS=-shared -Wl,--out-implib,\$(IMPLIBNAME) -Wl,--enable-auto-image-base $SOFLAGS" >> config.mak
1348         fi
1349     elif [ "$SYS" = "MACOSX" ]; then
1350         echo "SOSUFFIX=dylib" >> config.mak
1351         echo "SONAME=libx264.$API.dylib" >> config.mak
1352         echo "SOFLAGS=-shared -dynamiclib -Wl,-single_module -Wl,-read_only_relocs,suppress -install_name \$(DESTDIR)\$(libdir)/\$(SONAME) $SOFLAGS" >> config.mak
1353     elif [ "$SYS" = "SunOS" ]; then
1354         echo "SOSUFFIX=so" >> config.mak
1355         echo "SONAME=libx264.so.$API" >> config.mak
1356         echo "SOFLAGS=-shared -Wl,-h,\$(SONAME) $SOFLAGS" >> config.mak
1357     else
1358         echo "SOSUFFIX=so" >> config.mak
1359         echo "SONAME=libx264.so.$API" >> config.mak
1360         echo "SOFLAGS=-shared -Wl,-soname,\$(SONAME) $SOFLAGS" >> config.mak
1361     fi
1362     echo 'default: lib-shared' >> config.mak
1363     echo 'install: install-lib-shared' >> config.mak
1364 fi
1365
1366 if [ "$static" = "yes" ]; then
1367     echo 'default: lib-static' >> config.mak
1368     echo 'install: install-lib-static' >> config.mak
1369 fi
1370
1371 echo "LDFLAGSCLI = $LDFLAGSCLI" >> config.mak
1372 echo "CLI_LIBX264 = $CLI_LIBX264" >> config.mak
1373
1374 cat > x264.pc << EOF
1375 prefix=$prefix
1376 exec_prefix=$exec_prefix
1377 libdir=$libdir
1378 includedir=$includedir
1379
1380 Name: x264
1381 Description: H.264 (MPEG4 AVC) encoder library
1382 Version: $(grep POINTVER < x264_config.h | sed -e 's/.* "//; s/".*//')
1383 Libs: -L$libdir -lx264 $([ "$shared" = "yes" ] || echo $libpthread $libm $libdl)
1384 Libs.private: $([ "$shared" = "yes" ] && echo $libpthread $libm $libdl)
1385 Cflags: -I$includedir
1386 EOF
1387
1388 filters="crop select_every"
1389 gpl_filters=""
1390 [ $swscale = yes ] && filters="resize $filters"
1391 [ $gpl = yes ] && filters="$filters $gpl_filters"
1392
1393 cat > conftest.log <<EOF
1394 platform:      $ARCH
1395 system:        $SYS
1396 cli:           $cli
1397 libx264:       $cli_libx264
1398 shared:        $shared
1399 static:        $static
1400 asm:           $asm
1401 interlaced:    $interlaced
1402 avs:           $avs
1403 lavf:          $lavf
1404 ffms:          $ffms
1405 mp4:           $mp4
1406 gpl:           $gpl
1407 thread:        $thread
1408 opencl:        $opencl
1409 filters:       $filters
1410 debug:         $debug
1411 gprof:         $gprof
1412 strip:         $strip
1413 PIC:           $pic
1414 bit depth:     $bit_depth
1415 chroma format: $chroma_format
1416 EOF
1417
1418 echo >> config.log
1419 cat conftest.log >> config.log
1420 cat conftest.log
1421
1422 [ "$SRCPATH" != "." ] && ln -sf ${SRCPATH}/Makefile ./Makefile
1423 mkdir -p common/{aarch64,arm,ppc,x86} encoder extras filters/video input output tools
1424
1425 echo
1426 echo "You can run 'make' or 'make fprofiled' now."
1427