]> git.sesse.net Git - x264/blob - configure
x86: Experimental nasm support
[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 $res
304 }
305
306 rm -f x264_config.h config.h config.mak config.log x264.pc x264.def conftest*
307
308 SRCPATH="$(cd $(dirname $0); pwd)"
309 [ "$SRCPATH" = "$(pwd)" ] && SRCPATH=.
310 [ -n "$(echo $SRCPATH | grep ' ')" ] && die "Out of tree builds are impossible with whitespace in source path."
311 [ -e "$SRCPATH/config.h" -o -e "$SRCPATH/x264_config.h" ] && die "Out of tree builds are impossible with config.h/x264_config.h in source dir."
312
313 prefix='/usr/local'
314 exec_prefix='${prefix}'
315 bindir='${exec_prefix}/bin'
316 libdir='${exec_prefix}/lib'
317 includedir='${prefix}/include'
318 DEVNULL='/dev/null'
319
320 cli="yes"
321 cli_libx264="internal"
322 shared="no"
323 static="no"
324 avs="auto"
325 lavf="auto"
326 ffms="auto"
327 gpac="auto"
328 lsmash="auto"
329 mp4="no"
330 gpl="yes"
331 thread="auto"
332 swscale="auto"
333 asm="auto"
334 interlaced="yes"
335 debug="no"
336 gprof="no"
337 strip="no"
338 pic="no"
339 bit_depth="8"
340 chroma_format="all"
341 compiler="GNU"
342 compiler_style="GNU"
343 opencl="yes"
344
345 CFLAGS="$CFLAGS -Wall -I. -I\$(SRCPATH)"
346 LDFLAGS="$LDFLAGS"
347 LDFLAGSCLI="$LDFLAGSCLI"
348 ASFLAGS="$ASFLAGS -I. -I\$(SRCPATH)"
349 RCFLAGS="$RCFLAGS"
350 CHECK_CFLAGS=""
351 HAVE_GETOPT_LONG=1
352 cross_prefix=""
353
354 EXE=""
355 AS_EXT=".S"
356 NL="
357 "
358
359 # list of all preprocessor HAVE values we can define
360 CONFIG_HAVE="MALLOC_H ALTIVEC ALTIVEC_H MMX ARMV6 ARMV6T2 NEON BEOSTHREAD POSIXTHREAD WIN32THREAD THREAD LOG2F SWSCALE \
361              LAVF FFMS GPAC AVS GPL VECTOREXT INTERLACED CPU_COUNT OPENCL THP LSMASH X86_INLINE_ASM AS_FUNC INTEL_DISPATCHER"
362
363 # parse options
364
365 for opt do
366     optarg="${opt#*=}"
367     case "$opt" in
368         --prefix=*)
369             prefix="$optarg"
370             ;;
371         --exec-prefix=*)
372             exec_prefix="$optarg"
373             ;;
374         --bindir=*)
375             bindir="$optarg"
376             ;;
377         --libdir=*)
378             libdir="$optarg"
379             ;;
380         --includedir=*)
381             includedir="$optarg"
382             ;;
383         --disable-cli)
384             cli="no"
385             ;;
386         --system-libx264)
387             cli_libx264="system"
388             ;;
389         --enable-shared)
390             shared="yes"
391             ;;
392         --enable-static)
393             static="yes"
394             ;;
395         --disable-asm)
396             asm="no"
397             ;;
398         --disable-interlaced)
399             interlaced="no"
400             ;;
401         --disable-avs)
402             avs="no"
403             ;;
404         --disable-lavf)
405             lavf="no"
406             ;;
407         --disable-ffms)
408             ffms="no"
409             ;;
410         --disable-gpac)
411             gpac="no"
412             ;;
413         --disable-lsmash)
414             lsmash="no"
415             ;;
416         --disable-gpl)
417             gpl="no"
418             ;;
419         --extra-asflags=*)
420             ASFLAGS="$ASFLAGS $optarg"
421             ;;
422         --extra-cflags=*)
423             CFLAGS="$CFLAGS $optarg"
424             ;;
425         --extra-ldflags=*)
426             LDFLAGS="$LDFLAGS $optarg"
427             ;;
428         --extra-rcflags=*)
429             RCFLAGS="$RCFLAGS $optarg"
430             ;;
431         --disable-thread)
432             thread="no"
433             ;;
434         --enable-win32thread)
435             thread="win32"
436             ;;
437         --disable-swscale)
438             swscale="no"
439             ;;
440         --enable-debug)
441             debug="yes"
442             ;;
443         --enable-gprof)
444             CFLAGS="$CFLAGS -pg"
445             LDFLAGS="$LDFLAGS -pg"
446             gprof="yes"
447             ;;
448         --enable-strip)
449             strip="yes"
450             ;;
451         --enable-pic)
452             pic="yes"
453             ;;
454         --host=*)
455             host="$optarg"
456             ;;
457         --disable-opencl)
458             opencl="no"
459             ;;
460         --cross-prefix=*)
461             cross_prefix="$optarg"
462             ;;
463         --sysroot=*)
464             CFLAGS="$CFLAGS --sysroot=$optarg"
465             LDFLAGS="$LDFLAGS --sysroot=$optarg"
466             ;;
467         --bit-depth=*)
468             bit_depth="$optarg"
469             if [ "$bit_depth" -lt "8" -o "$bit_depth" -gt "10" ]; then
470                 echo "Supplied bit depth must be in range [8,10]."
471                 exit 1
472             fi
473             bit_depth=`expr $bit_depth + 0`
474             ;;
475         --chroma-format=*)
476             chroma_format="$optarg"
477             if [ $chroma_format != "420" -a $chroma_format != "422" -a $chroma_format != "444" -a $chroma_format != "all" ]; then
478                 echo "Supplied chroma format must be 420, 422, 444 or all."
479                 exit 1
480             fi
481             ;;
482         *)
483             echo "Unknown option $opt, ignored"
484             ;;
485     esac
486 done
487
488 [ "$cli" = "no" -a "$shared" = "no" -a "$static" = "no" ] && die "Nothing to build. Enable cli, shared or static."
489
490 CC="${CC-${cross_prefix}gcc}"
491 AR="${AR-${cross_prefix}ar}"
492 RANLIB="${RANLIB-${cross_prefix}ranlib}"
493 STRIP="${STRIP-${cross_prefix}strip}"
494 INSTALL="${INSTALL-install}"
495
496 if [ "x$host" = x ]; then
497     host=`${SRCPATH}/config.guess`
498 fi
499 # normalize a triplet into a quadruplet
500 host=`${SRCPATH}/config.sub $host`
501
502 # split $host
503 host_cpu="${host%%-*}"
504 host="${host#*-}"
505 host_vendor="${host%%-*}"
506 host_os="${host#*-}"
507
508 trap 'rm -f conftest*' EXIT
509
510 # test for use of compilers that require specific handling
511 cc_base=`basename "$CC"`
512 QPRE="-"
513 if [[ $host_os = mingw* || $host_os = cygwin* ]]; then
514     if [[ "$cc_base" = icl || "$cc_base" = icl[\ .]* ]]; then
515         # Windows Intel Compiler creates dependency generation with absolute Windows paths, Cygwin's make does not support Windows paths.
516         [[ $host_os = cygwin* ]] && die "Windows Intel Compiler support requires MSYS"
517         compiler=ICL
518         compiler_style=MS
519         CFLAGS="$CFLAGS -Qstd=c99 -nologo -Qms0 -DHAVE_STRING_H -I\$(SRCPATH)/extras"
520         QPRE="-Q"
521         `$CC 2>&1 | grep -q IA-32` && host_cpu=i486
522         `$CC 2>&1 | grep -q "Intel(R) 64"` && host_cpu=x86_64
523         cpp_check "" "" "_MSC_VER >= 1400" || die "Windows Intel Compiler support requires Visual Studio 2005 or newer"
524         if cc_check '' -Qdiag-error:10006,10157 ; then
525             CHECK_CFLAGS="$CHECK_CFLAGS -Qdiag-error:10006,10157"
526         fi
527     elif [[ "$cc_base" = cl || "$cc_base" = cl[\ .]* ]]; then
528         # Standard Microsoft Visual Studio
529         # Dependency creation includes absolute windows paths, Cygwin's make does not support Windows paths.
530         [[ $host_os = cygwin* ]] && die "Microsoft Visual Studio support requires MSYS"
531         compiler=CL
532         compiler_style=MS
533         CFLAGS="$CFLAGS -nologo -DHAVE_STRING_H -I\$(SRCPATH)/extras"
534         `$CC 2>&1 | grep -q 'for x86'` && host_cpu=i486
535         `$CC 2>&1 | grep -q 'for x64'` && host_cpu=x86_64
536         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"
537     fi
538 else
539     if [[ "$cc_base" = icc || "$cc_base" = icc[\ .]* ]]; then
540         AR="xiar"
541         compiler=ICC
542     fi
543 fi
544
545 if [[ "$cc_base" = clang || "$cc_base" = clang[\ .]* ]]; then
546     if cc_check '' -Werror=unknown-warning-option ; then
547         CHECK_CFLAGS="$CHECK_CFLAGS -Werror=unknown-warning-option"
548     fi
549 fi
550
551 libm=""
552 case $host_os in
553     beos*)
554         SYS="BEOS"
555         define HAVE_MALLOC_H
556         ;;
557     darwin*)
558         SYS="MACOSX"
559         libm="-lm"
560         if [ "$pic" = "no" ]; then
561             cc_check "" -mdynamic-no-pic && CFLAGS="$CFLAGS -mdynamic-no-pic"
562         fi
563         ;;
564     freebsd*)
565         SYS="FREEBSD"
566         libm="-lm"
567         ;;
568     kfreebsd*-gnu)
569         SYS="FREEBSD"
570         define HAVE_MALLOC_H
571         libm="-lm"
572         ;;
573     netbsd*)
574         SYS="NETBSD"
575         libm="-lm"
576         ;;
577     openbsd*)
578         SYS="OPENBSD"
579         libm="-lm"
580         ;;
581     *linux*)
582         SYS="LINUX"
583         define HAVE_MALLOC_H
584         libm="-lm"
585         ;;
586     gnu*)
587         SYS="HURD"
588         define HAVE_MALLOC_H
589         libm="-lm"
590         ;;
591     cygwin*)
592         EXE=".exe"
593         if cc_check "" -mno-cygwin; then
594             CFLAGS="$CFLAGS -mno-cygwin"
595             LDFLAGS="$LDFLAGS -mno-cygwin"
596         fi
597         if cpp_check "" "" "defined(__CYGWIN__)" ; then
598             define HAVE_MALLOC_H
599             SYS="CYGWIN"
600         else
601             SYS="WINDOWS"
602             DEVNULL="NUL"
603             LDFLAGSCLI="$LDFLAGSCLI -lshell32"
604             RC="${RC-${cross_prefix}windres}"
605         fi
606         ;;
607     mingw*)
608         SYS="WINDOWS"
609         EXE=".exe"
610         DEVNULL="NUL"
611         LDFLAGSCLI="$LDFLAGSCLI -lshell32"
612         [ $compiler = GNU ] && RC="${RC-${cross_prefix}windres}" || RC="${RC-rc}"
613         ;;
614     sunos*|solaris*)
615         SYS="SunOS"
616         define HAVE_MALLOC_H
617         libm="-lm"
618         if cc_check "" /usr/lib/64/values-xpg6.o; then
619             LDFLAGS="$LDFLAGS /usr/lib/64/values-xpg6.o"
620         else
621             LDFLAGS="$LDFLAGS /usr/lib/values-xpg6.o"
622         fi
623         if test -x /usr/ucb/install ; then
624             INSTALL=/usr/ucb/install
625         elif test -x /usr/bin/ginstall ; then
626             # OpenSolaris
627             INSTALL=/usr/bin/ginstall
628         elif test -x /usr/gnu/bin/install ; then
629             # OpenSolaris
630             INSTALL=/usr/gnu/bin/install
631         fi
632         HAVE_GETOPT_LONG=0
633         ;;
634     *qnx*)
635         SYS="QNX"
636         define HAVE_MALLOC_H
637         libm="-lm"
638         HAVE_GETOPT_LONG=0
639         CFLAGS="$CFLAGS -I\$(SRCPATH)/extras"
640         ;;
641     *)
642         die "Unknown system $host, edit the configure"
643         ;;
644 esac
645
646 LDFLAGS="$LDFLAGS $libm"
647
648 stack_alignment=16
649 case $host_cpu in
650     i*86)
651         ARCH="X86"
652         AS="${AS-yasm}"
653         AS_EXT=".asm"
654         ASFLAGS="$ASFLAGS -DARCH_X86_64=0 -I\$(SRCPATH)/common/x86/"
655         if [ $compiler = GNU ]; then
656             if [[ "$asm" == auto && "$CFLAGS" != *-march* ]]; then
657                 CFLAGS="$CFLAGS -march=i686"
658             fi
659             if [[ "$asm" == auto && "$CFLAGS" != *-mfpmath* ]]; then
660                 CFLAGS="$CFLAGS -mfpmath=sse -msse"
661             fi
662             CFLAGS="-m32 $CFLAGS"
663             LDFLAGS="-m32 $LDFLAGS"
664         elif [ $compiler = ICC ]; then
665             # icc on linux has various degrees of mod16 stack support
666             if [ $SYS = LINUX ]; then
667                 # < 11 is completely incapable of keeping a mod16 stack
668                 if cpp_check "" "" "__INTEL_COMPILER < 1100" ; then
669                     stack_alignment=4
670                 # 11 <= x < 12 is capable of keeping a mod16 stack, but defaults to not doing so.
671                 elif cpp_check "" "" "__INTEL_COMPILER < 1200" ; then
672                     CFLAGS="$CFLAGS -falign-stack=assume-16-byte"
673                 fi
674                 # >= 12 defaults to a mod16 stack
675             fi
676         else # ICL/CL
677             # always a mod4 stack
678             stack_alignment=4
679         fi
680         if [ "$SYS" = MACOSX ]; then
681             ASFLAGS="$ASFLAGS -f macho32 -DPREFIX"
682         elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
683             ASFLAGS="$ASFLAGS -f win32 -DPREFIX"
684             LDFLAGS="$LDFLAGS -Wl,--large-address-aware"
685             [ $compiler = GNU ] && LDFLAGS="$LDFLAGS -Wl,--nxcompat -Wl,--dynamicbase"
686             [ $compiler = GNU ] && RCFLAGS="--target=pe-i386 $RCFLAGS"
687         else
688             ASFLAGS="$ASFLAGS -f elf32"
689         fi
690         ;;
691     x86_64)
692         ARCH="X86_64"
693         AS="${AS-yasm}"
694         AS_EXT=".asm"
695         ASFLAGS="$ASFLAGS -DARCH_X86_64=1 -I\$(SRCPATH)/common/x86/"
696         [ $compiler = GNU ] && CFLAGS="-m64 $CFLAGS" && LDFLAGS="-m64 $LDFLAGS"
697         if [ "$SYS" = MACOSX ]; then
698             ASFLAGS="$ASFLAGS -f macho64 -DPIC -DPREFIX"
699             if cc_check '' "-arch x86_64"; then
700                 CFLAGS="$CFLAGS -arch x86_64"
701                 LDFLAGS="$LDFLAGS -arch x86_64"
702             fi
703         elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
704             ASFLAGS="$ASFLAGS -f win64"
705             # only the GNU toolchain is inconsistent in prefixing function names with _
706             [ $compiler = GNU ] && cc_check "" "-S" && grep -q "_main:" conftest && ASFLAGS="$ASFLAGS -DPREFIX"
707             [ $compiler = GNU ] && LDFLAGS="$LDFLAGS -Wl,--nxcompat -Wl,--dynamicbase"
708             [ $compiler = GNU ] && RCFLAGS="--target=pe-x86-64 $RCFLAGS"
709         else
710             ASFLAGS="$ASFLAGS -f elf64"
711         fi
712         ;;
713     powerpc|powerpc64)
714         ARCH="PPC"
715         if [ $asm = auto ] ; then
716             define HAVE_ALTIVEC
717             AS="${AS-${CC}}"
718             AS_EXT=".c"
719             if [ $SYS = MACOSX ] ; then
720                 CFLAGS="$CFLAGS -faltivec -fastf -mcpu=G4"
721             else
722                 CFLAGS="$CFLAGS -maltivec -mabi=altivec"
723                 define HAVE_ALTIVEC_H
724             fi
725         fi
726         ;;
727     sparc)
728         ARCH="SPARC"
729         ;;
730     mips|mipsel|mips64|mips64el)
731         ARCH="MIPS"
732         ;;
733     arm*)
734         ARCH="ARM"
735         if [ "$SYS" = MACOSX ] ; then
736             AS="${AS-${SRCPATH}/tools/gas-preprocessor.pl -arch arm -- ${CC}}"
737             ASFLAGS="$ASFLAGS -DPREFIX -DPIC"  # apple's ld doesn't support movw/movt relocations at all
738             # build for armv7 by default
739             if ! echo $CFLAGS | grep -Eq '\-arch' ; then
740                 CFLAGS="$CFLAGS -arch armv7"
741                 LDFLAGS="$LDFLAGS -arch armv7"
742             fi
743         else
744             AS="${AS-${CC}}"
745         fi
746         ;;
747     aarch64)
748         ARCH="AARCH64"
749         if [ "$SYS" = MACOSX ] ; then
750             AS="${AS-${SRCPATH}/tools/gas-preprocessor.pl -arch aarch64 -- ${CC}}"
751             ASFLAGS="$ASFLAGS -DPREFIX"
752         else
753             AS="${AS-${CC}}"
754         fi
755         ;;
756     s390|s390x)
757         ARCH="S390"
758         ;;
759     hppa*|parisc*)
760         ARCH="PARISC"
761         ;;
762     ia64)
763         ARCH="IA64"
764         ;;
765     alpha*)
766         ARCH="ALPHA"
767         ;;
768     *)
769         ARCH="$(echo $host_cpu | tr a-z A-Z)"
770         ;;
771 esac
772
773 if [ $SYS = WINDOWS ]; then
774     if ! rc_check "0 RCDATA {0}" ; then
775         RC=""
776     fi
777 fi
778
779 log_msg "x264 configure script"
780 if [ -n "$*" ]; then
781     msg="Command line options:"
782     for i in $@; do
783         msg="$msg \"$i\""
784     done
785     log_msg "$msg"
786 fi
787 log_msg ""
788
789 # check requirements
790
791 cc_check || die "No working C compiler found."
792
793 if [ $compiler_style = GNU ]; then
794     if cc_check '' -std=gnu99 'for( int i = 0; i < 9; i++ );' ; then
795         CFLAGS="$CFLAGS -std=gnu99"
796     elif cc_check '' -std=c99 'for( int i = 0; i < 9; i++ );' ; then
797         CFLAGS="$CFLAGS -std=c99 -D_POSIX_C_SOURCE=200112L -D_BSD_SOURCE"
798     elif ! cc_check '' '' 'for( int i = 0; i < 9; i++ );' ; then
799         die "C99 compiler is needed for compilation."
800     fi
801 fi
802
803 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
804     pic="yes"
805 fi
806
807 if [ $asm = auto -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
808     if ! as_check "vpmovzxwd ymm0, xmm0" ; then
809         VER=`($AS --version || echo no assembler) 2>/dev/null | head -n 1`
810         echo "Found $VER"
811         echo "Minimum version is yasm-1.2.0"
812         echo "If you really want to compile without asm, configure with --disable-asm."
813         exit 1
814     fi
815     cc_check '' '' '__asm__("pabsw %xmm0, %xmm0");' && define HAVE_X86_INLINE_ASM
816     ASFLAGS="$ASFLAGS -Worphan-labels"
817     define HAVE_MMX
818     if [ $compiler = GNU ] && cc_check '' -mpreferred-stack-boundary=5 ; then
819         CFLAGS="$CFLAGS -mpreferred-stack-boundary=5"
820         stack_alignment=32
821     fi
822 fi
823
824 if [ $asm = auto -a $ARCH = ARM ] ; then
825     # set flags so neon is built by default
826     echo $CFLAGS | grep -Eq '(-mcpu|-march|-mfpu)' || CFLAGS="$CFLAGS -mcpu=cortex-a8 -mfpu=neon"
827
828     if  cc_check '' '' '__asm__("rev ip, ip");' ; then      define HAVE_ARMV6
829         cc_check '' '' '__asm__("movt r0, #0");'         && define HAVE_ARMV6T2
830         cc_check '' '' '__asm__("vadd.i16 q0, q0, q0");' && define HAVE_NEON
831         ASFLAGS="$ASFLAGS -c"
832     else
833         echo "You specified a pre-ARMv6 or Thumb-1 CPU in your CFLAGS."
834         echo "If you really want to run on such a CPU, configure with --disable-asm."
835         exit 1
836     fi
837 fi
838
839 if [ $asm = auto -a $ARCH = AARCH64 ] ; then
840     # set flags so neon is built by default
841     echo $CFLAGS | grep -Eq '(-mcpu|-march|-mfpu|-arch)' || CFLAGS="$CFLAGS -arch arm64 -mfpu=neon"
842
843     if  cc_check '' '' '__asm__("cmeq v0.8h, v0.8h, #0");' ; then define HAVE_NEON
844         ASFLAGS="$ASFLAGS -c"
845     else
846         echo "no NEON support, try adding -mfpu=neon to CFLAGS"
847         echo "If you really want to run on such a CPU, configure with --disable-asm."
848         exit 1
849     fi
850 fi
851
852 if [ $asm = auto -a \( $ARCH = ARM -o $ARCH = AARCH64 \) ] ; then
853     # check if the assembler supports '.func' (clang 3.5 does not)
854     as_check ".func test${NL}.endfunc" && define HAVE_AS_FUNC 1
855 fi
856
857 [ $asm = no ] && AS=""
858 [ "x$AS" = x ] && asm="no" || asm="yes"
859
860 define ARCH_$ARCH
861 define SYS_$SYS
862
863 define STACK_ALIGNMENT $stack_alignment
864 ASFLAGS="$ASFLAGS -DSTACK_ALIGNMENT=$stack_alignment"
865
866 # 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
867 if [ $compiler = GNU ]; then
868     echo "int i[2] = {0x42494745,0}; double f[2] = {0x1.0656e6469616ep+102,0};" > conftest.c
869     $CC $CFLAGS conftest.c -c -o conftest.o 2>/dev/null || die "endian test failed"
870     if (${cross_prefix}strings -a conftest.o | grep -q BIGE) && (${cross_prefix}strings -a conftest.o | grep -q FPendian) ; then
871         define WORDS_BIGENDIAN
872     elif !(${cross_prefix}strings -a conftest.o | grep -q EGIB && ${cross_prefix}strings -a conftest.o | grep -q naidnePF) ; then
873         die "endian test failed"
874     fi
875 fi
876
877 if [ "$cli_libx264" = "system" -a "$shared" != "yes" ] ; then
878     [ "$static" = "yes" ] && die "Option --system-libx264 can not be used together with --enable-static"
879     if ${cross_prefix}pkg-config --exists x264 2>/dev/null; then
880         X264_LIBS="$(${cross_prefix}pkg-config --libs x264)"
881         X264_INCLUDE_DIR="${X264_INCLUDE_DIR-$(${cross_prefix}pkg-config --variable=includedir x264)}"
882         configure_system_override "$X264_INCLUDE_DIR" || die "Detection of system libx264 configuration failed"
883     else
884         die "Can not find system libx264"
885     fi
886 fi
887
888 # autodetect options that weren't forced nor disabled
889
890 # pthread-win32 is lgpl, prevent its use if --disable-gpl is specified and targeting windows
891 [ "$SYS" = "WINDOWS" -a "$gpl" = "no" -a "$thread" = "auto" ] && thread="win32"
892
893 libpthread=""
894 if [ "$thread" = "auto" ]; then
895     thread="no"
896     case $SYS in
897         BEOS)
898             thread="beos"
899             define HAVE_BEOSTHREAD
900             ;;
901         WINDOWS)
902             if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
903                 thread="posix"
904                 libpthread="-lpthread"
905             elif cc_check pthread.h -lpthreadGC2 "pthread_create(0,0,0,0);" ; then
906                 thread="posix"
907                 libpthread="-lpthreadGC2"
908             elif cc_check pthread.h "-lpthreadGC2 -lwsock32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
909                 thread="posix"
910                 libpthread="-lpthreadGC2 -lwsock32"
911                 define PTW32_STATIC_LIB
912             elif cc_check pthread.h "-lpthreadGC2 -lws2_32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
913                 thread="posix"
914                 libpthread="-lpthreadGC2 -lws2_32"
915                 define PTW32_STATIC_LIB
916             else
917                 # default to native threading if pthread-win32 is unavailable
918                 thread="win32"
919             fi
920             ;;
921         QNX)
922             cc_check pthread.h -lc "pthread_create(0,0,0,0);" && thread="posix" && libpthread="-lc"
923             ;;
924         *)
925             if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
926                thread="posix"
927                libpthread="-lpthread"
928             else
929                 cc_check pthread.h "" "pthread_create(0,0,0,0);" && thread="posix" && libpthread=""
930             fi
931             ;;
932     esac
933 fi
934 if [ "$thread" = "posix" ]; then
935     LDFLAGS="$LDFLAGS $libpthread"
936     define HAVE_POSIXTHREAD
937     if [ "$SYS" = "LINUX" ] && cc_check sched.h "-D_GNU_SOURCE -Werror" "cpu_set_t p_aff; return CPU_COUNT(&p_aff);" ; then
938         define HAVE_CPU_COUNT
939     fi
940 fi
941 if [ "$thread" = "win32" ]; then
942     # cygwin does not support win32 threads
943     if [ "$SYS" = "WINDOWS" ]; then
944         define HAVE_WIN32THREAD
945     else
946         thread="no"
947     fi
948 fi
949 [ "$thread" != "no" ] && define HAVE_THREAD
950
951 if cc_check "math.h" "-Werror" "return log2f(2);" ; then
952     define HAVE_LOG2F
953 fi
954
955 if [ "$SYS" = "LINUX" -a \( "$ARCH" = "X86" -o "$ARCH" = "X86_64" \) ] && cc_check "sys/mman.h" "" "MADV_HUGEPAGE;" ; then
956     define HAVE_THP
957 fi
958
959 if [ "$swscale" = "auto" ] ; then
960     swscale="no"
961     if ${cross_prefix}pkg-config --exists libswscale 2>/dev/null; then
962         SWSCALE_LIBS="$SWSCALE_LIBS $(${cross_prefix}pkg-config --libs libswscale libavutil)"
963         SWSCALE_CFLAGS="$SWSCALE_CFLAGS $(${cross_prefix}pkg-config --cflags libswscale libavutil)"
964     fi
965     [ -z "$SWSCALE_LIBS" ] && SWSCALE_LIBS="-lswscale -lavutil"
966
967     if cc_check "libswscale/swscale.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "sws_init_context(0,0,0);" ; then
968         if cpp_check "libavutil/pixdesc.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "defined(AV_PIX_FMT_FLAG_RGB)" ; then
969             swscale="yes"
970         else
971             echo "Warning: AV_PIX_FMT_FLAG_RGB is missing from libavutil, update for swscale support"
972         fi
973     fi
974 fi
975
976 if [ "$lavf" = "auto" ] ; then
977     lavf="no"
978     if ${cross_prefix}pkg-config --exists libavformat libavcodec libswscale 2>/dev/null; then
979         LAVF_LIBS="$LAVF_LIBS $(${cross_prefix}pkg-config --libs libavformat libavcodec libavutil libswscale)"
980         LAVF_CFLAGS="$LAVF_CFLAGS $(${cross_prefix}pkg-config --cflags libavformat libavcodec libavutil libswscale)"
981     fi
982     if [ -z "$LAVF_LIBS" -a -z "$LAVF_CFLAGS" ]; then
983         LAVF_LIBS="-lavformat"
984         for lib in -lpostproc -lavcodec -lswscale -lavutil -lm -lz -lbz2 $libpthread -lavifil32 -lws2_32; do
985             cc_check "" $lib && LAVF_LIBS="$LAVF_LIBS $lib"
986         done
987     fi
988     LAVF_LIBS="-L. $LAVF_LIBS"
989     if cc_check libavformat/avformat.h "$LAVF_CFLAGS $LAVF_LIBS" "av_frame_free(0);" ; then
990         if [ "$swscale" = "yes" ]; then
991             lavf="yes"
992         else
993             echo "Warning: libavformat is not supported without swscale support"
994         fi
995     fi
996 fi
997
998 if [ "$ffms" = "auto" ] ; then
999     ffms_major="2"; ffms_minor="16"; ffms_micro="2"; ffms_bump="0"
1000     ffms="no"
1001
1002     if ${cross_prefix}pkg-config --exists ffms2 2>/dev/null; then
1003         FFMS2_LIBS="$FFMS2_LIBS $(${cross_prefix}pkg-config --libs ffms2)"
1004         FFMS2_CFLAGS="$FFMS2_CFLAGS $(${cross_prefix}pkg-config --cflags ffms2)"
1005     fi
1006     [ -z "$FFMS2_LIBS" ] && FFMS2_LIBS="-lffms2"
1007
1008     if cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS" "FFMS_DestroyVideoSource(0);" ; then
1009         ffms="yes"
1010     elif cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS -lstdc++ $LAVF_LIBS" "FFMS_DestroyVideoSource(0);" ; then
1011         ffms="yes"
1012         FFMS2_LIBS="$FFMS2_LIBS -lstdc++ $LAVF_LIBS"
1013     fi
1014
1015     error="ffms must be at least version $ffms_major.$ffms_minor.$ffms_micro.$ffms_bump"
1016     if [ $ffms = "yes" ] && ! cpp_check "ffms.h" "$FFMS2_CFLAGS" "FFMS_VERSION >= (($ffms_major << 24) | ($ffms_minor << 16) | ($ffms_micro << 8) | $ffms_bump)" "$error"; then
1017        ffms="no"
1018        echo "Warning: $error"
1019     fi
1020     if [ "$ffms" = "yes" -a "$swscale" = "no" ]; then
1021         echo "Warning: ffms is not supported without swscale support"
1022         ffms="no"
1023     fi
1024 fi
1025
1026 if [ "$swscale" = "yes" ]; then
1027     LDFLAGSCLI="$SWSCALE_LIBS $LDFLAGSCLI"
1028     CFLAGS="$CFLAGS $SWSCALE_CFLAGS"
1029     define HAVE_SWSCALE
1030     if [ "$lavf" = "yes" ]; then
1031         LDFLAGSCLI="$LAVF_LIBS $LDFLAGSCLI"
1032         CFLAGS="$CFLAGS $LAVF_CFLAGS"
1033         define HAVE_LAVF
1034     fi
1035     if [ "$ffms" = "yes" ]; then
1036         LDFLAGSCLI="$FFMS2_LIBS $LDFLAGSCLI"
1037         CFLAGS="$CFLAGS $FFMS2_CFLAGS"
1038         define HAVE_FFMS
1039     fi
1040 fi
1041
1042 if [ "$lsmash" = "auto" ] ; then
1043     lsmash="no"
1044     if ${cross_prefix}pkg-config --exists liblsmash 2>/dev/null; then
1045         LSMASH_LIBS="$LSMASH_LIBS $(${cross_prefix}pkg-config --libs liblsmash)"
1046         LSMASH_CFLAGS="$LSMASH_CFLAGS $(${cross_prefix}pkg-config --cflags liblsmash)"
1047     fi
1048     [ -z "$LSMASH_LIBS" ] && LSMASH_LIBS="-llsmash"
1049
1050     if cc_check lsmash.h "$LSMASH_CFLAGS $LSMASH_LIBS" ; then
1051         if cpp_check lsmash.h "$LSMASH_CFLAGS" "LSMASH_VERSION_MAJOR > 1 || (LSMASH_VERSION_MAJOR == 1 && LSMASH_VERSION_MINOR >= 5)" ; then
1052             lsmash="yes"
1053         else
1054             echo "Warning: lsmash is too old, update to rev.895 or later"
1055         fi
1056     fi
1057 fi
1058
1059 if [ "$gpac" = "auto" -a "$lsmash" != "yes" ] ; then
1060     gpac="no"
1061     GPAC_LIBS="-lgpac_static"
1062     cc_check "" -lz && GPAC_LIBS="$GPAC_LIBS -lz"
1063     if [ "$SYS" = "WINDOWS" ] ; then
1064         cc_check "" -lws2_32 && GPAC_LIBS="$GPAC_LIBS -lws2_32"
1065         cc_check "" -lwinmm && GPAC_LIBS="$GPAC_LIBS -lwinmm"
1066     fi
1067     if cc_check gpac/isomedia.h "$GPAC_LIBS" ; then
1068         if cc_check gpac/isomedia.h "$GPAC_LIBS" "gf_isom_set_pixel_aspect_ratio(0,0,0,0,0);" ; then
1069             gpac="yes"
1070         else
1071             echo "Warning: gpac is too old, update to 2007-06-21 UTC or later"
1072         fi
1073     fi
1074 fi
1075
1076 if [ "$lsmash" = "yes" ] ; then
1077     mp4="lsmash"
1078     LDFLAGSCLI="$LSMASH_LIBS $LDFLAGSCLI"
1079     CFLAGS="$CFLAGS $LSMASH_CFLAGS"
1080     define HAVE_LSMASH
1081 elif [ "$gpac" = "yes" ] ; then
1082     mp4="gpac"
1083     define HAVE_GPAC
1084     LDFLAGSCLI="$GPAC_LIBS $LDFLAGSCLI"
1085 fi
1086
1087 if [ "$avs" = "auto" ] ; then
1088     avs="no"
1089     # cygwin can use avisynth if it can use LoadLibrary
1090     if [ $SYS = WINDOWS ] || ([ $SYS = CYGWIN ] && cc_check windows.h "" "LoadLibraryW(0);") ; then
1091         avs="avisynth"
1092         define HAVE_AVS
1093         define USE_AVXSYNTH 0
1094     elif [ "$SYS" = "LINUX" -o "$SYS" = "MACOSX" ] ; then
1095     # AvxSynth currently only supports Linux and OSX
1096         avs="avxsynth"
1097         define HAVE_AVS
1098         define USE_AVXSYNTH 1
1099         AVS_LIBS="-ldl"
1100         LDFLAGSCLI="$AVS_LIBS $LDFLAGSCLI"
1101     fi
1102 fi
1103
1104 cc_check "stdint.h" "" "uint32_t test_vec __attribute__ ((vector_size (16))) = {0,1,2,3};" && define HAVE_VECTOREXT
1105
1106 if [ "$pic" = "yes" ] ; then
1107     [ "$SYS" != WINDOWS -a "$SYS" != CYGWIN ] && CFLAGS="$CFLAGS -fPIC"
1108     ASFLAGS="$ASFLAGS -DPIC"
1109     # resolve textrels in the x86 asm
1110     cc_check stdio.h "-shared -Wl,-Bsymbolic" && SOFLAGS="$SOFLAGS -Wl,-Bsymbolic"
1111     [ $SYS = SunOS -a "$ARCH" = "X86" ] && SOFLAGS="$SOFLAGS -mimpure-text"
1112 fi
1113
1114 if [ "$debug" != "yes" -a "$gprof" != "yes" ]; then
1115     CFLAGS="$CFLAGS -fomit-frame-pointer"
1116 fi
1117
1118 if [ "$strip" = "yes" ]; then
1119     LDFLAGS="$LDFLAGS -s"
1120 fi
1121
1122 if [ "$debug" = "yes" ]; then
1123     CFLAGS="-O1 -g $CFLAGS"
1124 else
1125     CFLAGS="-O3 -ffast-math $CFLAGS"
1126 fi
1127
1128 if cc_check '' -fno-tree-vectorize ; then
1129     CFLAGS="$CFLAGS -fno-tree-vectorize"
1130 fi
1131
1132 if [ $SYS = WINDOWS -a $ARCH = X86 -a $compiler = GNU ] ; then
1133     # workaround gcc/ld bug with alignment of static variables/arrays that are initialized to zero
1134     cc_check '' -fno-zero-initialized-in-bss && CFLAGS="$CFLAGS -fno-zero-initialized-in-bss"
1135 fi
1136
1137 if cc_check "stdio.h" "" "fseeko(stdin,0,0);" ; then
1138     define fseek fseeko
1139     define ftell ftello
1140 elif cc_check "stdio.h" "" "fseeko64(stdin,0,0);" ; then
1141     define fseek fseeko64
1142     define ftell ftello64
1143 elif cc_check "stdio.h" "" "_fseeki64(stdin,0,0);" ; then
1144     define fseek _fseeki64
1145     define ftell _ftelli64
1146 fi
1147
1148 if cc_check '' -Wshadow ; then
1149     CFLAGS="-Wshadow $CFLAGS"
1150 fi
1151
1152 if cc_check '' -Wmaybe-uninitialized ; then
1153     CFLAGS="-Wno-maybe-uninitialized $CFLAGS"
1154 fi
1155
1156 if [ $compiler = ICC -o $compiler = ICL ] ; then
1157     if cc_check 'extras/intel_dispatcher.h' '' 'x264_intel_dispatcher_override();' ; then
1158         define HAVE_INTEL_DISPATCHER
1159     fi
1160 fi
1161
1162 if [ "$bit_depth" -gt "8" ]; then
1163     define HIGH_BIT_DEPTH
1164     ASFLAGS="$ASFLAGS -DHIGH_BIT_DEPTH=1"
1165     opencl="no"
1166 else
1167     ASFLAGS="$ASFLAGS -DHIGH_BIT_DEPTH=0"
1168 fi
1169
1170 if [ "$chroma_format" != "all" ]; then
1171     define CHROMA_FORMAT CHROMA_$chroma_format
1172 fi
1173
1174 ASFLAGS="$ASFLAGS -DBIT_DEPTH=$bit_depth"
1175
1176 [ $gpl = yes ] && define HAVE_GPL && x264_gpl=1 || x264_gpl=0
1177
1178 [ $interlaced = yes ] && define HAVE_INTERLACED && x264_interlaced=1 || x264_interlaced=0
1179
1180 libdl=""
1181 if [ "$opencl" = "yes" ]; then
1182     opencl="no"
1183     # cygwin can use opencl if it can use LoadLibrary
1184     if [ $SYS = WINDOWS ] || ([ $SYS = CYGWIN ] && cc_check windows.h "" "LoadLibraryW(0);") ; then
1185         opencl="yes"
1186         define HAVE_OPENCL
1187     elif [ "$SYS" = "LINUX" -o "$SYS" = "MACOSX" ] ; then
1188         opencl="yes"
1189         define HAVE_OPENCL
1190         libdl="-ldl"
1191     fi
1192     LDFLAGS="$LDFLAGS $libdl"
1193 fi
1194
1195 #define undefined vars as 0
1196 for var in $CONFIG_HAVE; do
1197     grep -q "HAVE_$var 1" config.h || define HAVE_$var 0
1198 done
1199
1200 # generate exported config file
1201
1202 config_chroma_format="X264_CSP_I$chroma_format"
1203 [ "$config_chroma_format" == "X264_CSP_Iall" ] && config_chroma_format="0"
1204 cat > x264_config.h << EOF
1205 #define X264_BIT_DEPTH     $bit_depth
1206 #define X264_GPL           $x264_gpl
1207 #define X264_INTERLACED    $x264_interlaced
1208 #define X264_CHROMA_FORMAT $config_chroma_format
1209 EOF
1210
1211 ${SRCPATH}/version.sh "${SRCPATH}" >> x264_config.h
1212
1213 if [ "$cli_libx264" = "system" ] ; then
1214     if [ "$shared" = "yes" ]; then
1215         CLI_LIBX264='$(SONAME)'
1216     else
1217         CLI_LIBX264=
1218         LDFLAGSCLI="$X264_LIBS $LDFLAGSCLI"
1219         cc_check 'stdint.h x264.h' '' 'x264_encoder_open(0);' || die "System libx264 can't be used for compilation of this version"
1220     fi
1221 else
1222     CLI_LIBX264='$(LIBX264)'
1223 fi
1224
1225 DEPMM="${QPRE}MM"
1226 DEPMT="${QPRE}MT"
1227 if [ $compiler_style = MS ]; then
1228     AR="lib -nologo -out:"
1229     LD="link -out:"
1230     [ $compiler = ICL ] && AR="xi$AR" && LD="xi$LD"
1231     HAVE_GETOPT_LONG=0
1232     LDFLAGS="-nologo -incremental:no $(cl_ldflags $LDFLAGS)"
1233     LDFLAGSCLI="$(cl_ldflags $LDFLAGSCLI)"
1234     LIBX264=libx264.lib
1235     RANLIB=
1236     [ -n "$RC" ] && RCFLAGS="$RCFLAGS -nologo -I. -I\$(SRCPATH)/extras -fo"
1237     STRIP=
1238     if [ $debug = yes ]; then
1239         LDFLAGS="-debug $LDFLAGS"
1240         CFLAGS="-D_DEBUG $CFLAGS"
1241     else
1242         CFLAGS="-DNDEBUG $CFLAGS"
1243     fi
1244 else # gcc/icc
1245     DEPMM="$DEPMM -g0"
1246     AR="$AR rc "
1247     LD="$CC -o "
1248     LIBX264=libx264.a
1249     [ -n "$RC" ] && RCFLAGS="$RCFLAGS -I. -o "
1250 fi
1251 [ $compiler != GNU ] && CFLAGS="$(cc_cflags $CFLAGS)"
1252 if [ $compiler = ICC -o $compiler = ICL ]; then
1253     # icc does not define __SSE__ until SSE2 optimization and icl never defines it or _M_IX86_FP
1254     [ \( $ARCH = X86_64 -o $ARCH = X86 \) -a $asm = yes ] && ! cpp_check "" "" "defined(__SSE__)" && define __SSE__
1255     PROF_GEN_CC="${QPRE}prof-gen ${QPRE}prof-dir."
1256     PROF_GEN_LD=
1257     PROF_USE_CC="${QPRE}prof-use ${QPRE}prof-dir."
1258     PROF_USE_LD=
1259 elif [ $compiler = CL ]; then
1260     # Visual Studio
1261     # _M_IX86_FP is only defined on x86
1262     [ $ARCH = X86 ] && cpp_check '' '' '_M_IX86_FP >= 1' && define __SSE__
1263     [ $ARCH = X86_64 ] && define __SSE__
1264     # As long as the cli application can't link against the dll, the dll can not be pgo'd.
1265     # pgds are link flag specific and the -dll flag for creating the dll makes it unshareable with the cli
1266     PROF_GEN_CC="-GL"
1267     PROF_GEN_LD="-LTCG:PGINSTRUMENT"
1268     PROF_USE_CC="-GL"
1269     PROF_USE_LD="-LTCG:PGOPTIMIZE"
1270 else
1271     PROF_GEN_CC="-fprofile-generate"
1272     PROF_GEN_LD="-fprofile-generate"
1273     PROF_USE_CC="-fprofile-use"
1274     PROF_USE_LD="-fprofile-use"
1275 fi
1276
1277 # generate config files
1278
1279 cat > config.mak << EOF
1280 SRCPATH=$SRCPATH
1281 prefix=$prefix
1282 exec_prefix=$exec_prefix
1283 bindir=$bindir
1284 libdir=$libdir
1285 includedir=$includedir
1286 SYS_ARCH=$ARCH
1287 SYS=$SYS
1288 CC=$CC
1289 CFLAGS=$CFLAGS
1290 COMPILER=$compiler
1291 COMPILER_STYLE=$compiler_style
1292 DEPMM=$DEPMM
1293 DEPMT=$DEPMT
1294 LD=$LD
1295 LDFLAGS=$LDFLAGS
1296 LIBX264=$LIBX264
1297 AR=$AR
1298 RANLIB=$RANLIB
1299 STRIP=$STRIP
1300 INSTALL=$INSTALL
1301 AS=$AS
1302 ASFLAGS=$ASFLAGS
1303 RC=$RC
1304 RCFLAGS=$RCFLAGS
1305 EXE=$EXE
1306 HAVE_GETOPT_LONG=$HAVE_GETOPT_LONG
1307 DEVNULL=$DEVNULL
1308 PROF_GEN_CC=$PROF_GEN_CC
1309 PROF_GEN_LD=$PROF_GEN_LD
1310 PROF_USE_CC=$PROF_USE_CC
1311 PROF_USE_LD=$PROF_USE_LD
1312 HAVE_OPENCL=$opencl
1313 EOF
1314
1315 if [ $compiler_style = MS ]; then
1316     echo '%.o: %.c' >> config.mak
1317     echo '      $(CC) $(CFLAGS) -c -Fo$@ $<' >> config.mak
1318 fi
1319
1320 if [ "$cli" = "yes" ]; then
1321     echo 'default: cli' >> config.mak
1322     echo 'install: install-cli' >> config.mak
1323 fi
1324
1325 if [ "$shared" = "yes" ]; then
1326     API=$(grep '#define X264_BUILD' < ${SRCPATH}/x264.h | cut -f 3 -d ' ')
1327     if [ "$SYS" = "WINDOWS" -o "$SYS" = "CYGWIN" ]; then
1328         echo "SONAME=libx264-$API.dll" >> config.mak
1329         if [ $compiler_style = MS ]; then
1330             echo 'IMPLIBNAME=libx264.dll.lib' >> config.mak
1331             # GNU ld on windows defaults to exporting all global functions if there are no explicit __declspec(dllexport) declarations
1332             # 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
1333             echo "SOFLAGS=-dll -def:x264.def -implib:\$(IMPLIBNAME) $SOFLAGS" >> config.mak
1334             echo "EXPORTS" > x264.def
1335             # export API functions
1336             grep "^\(int\|void\|x264_t\).*x264" ${SRCPATH}/x264.h | sed -e "s/.*\(x264.*\)(.*/\1/;s/open/open_$API/g" >> x264.def
1337             # export API variables/data. must be flagged with the DATA keyword
1338             grep "extern.*x264" ${SRCPATH}/x264.h | sed -e "s/.*\(x264\w*\)\W.*/\1 DATA/;" >> x264.def
1339         else
1340             echo 'IMPLIBNAME=libx264.dll.a' >> config.mak
1341             echo "SOFLAGS=-shared -Wl,--out-implib,\$(IMPLIBNAME) -Wl,--enable-auto-image-base $SOFLAGS" >> config.mak
1342         fi
1343     elif [ "$SYS" = "MACOSX" ]; then
1344         echo "SOSUFFIX=dylib" >> config.mak
1345         echo "SONAME=libx264.$API.dylib" >> config.mak
1346         echo "SOFLAGS=-shared -dynamiclib -Wl,-single_module -Wl,-read_only_relocs,suppress -install_name \$(DESTDIR)\$(libdir)/\$(SONAME) $SOFLAGS" >> config.mak
1347     elif [ "$SYS" = "SunOS" ]; then
1348         echo "SOSUFFIX=so" >> config.mak
1349         echo "SONAME=libx264.so.$API" >> config.mak
1350         echo "SOFLAGS=-shared -Wl,-h,\$(SONAME) $SOFLAGS" >> config.mak
1351     else
1352         echo "SOSUFFIX=so" >> config.mak
1353         echo "SONAME=libx264.so.$API" >> config.mak
1354         echo "SOFLAGS=-shared -Wl,-soname,\$(SONAME) $SOFLAGS" >> config.mak
1355     fi
1356     echo 'default: lib-shared' >> config.mak
1357     echo 'install: install-lib-shared' >> config.mak
1358 fi
1359
1360 if [ "$static" = "yes" ]; then
1361     echo 'default: lib-static' >> config.mak
1362     echo 'install: install-lib-static' >> config.mak
1363 fi
1364
1365 echo "LDFLAGSCLI = $LDFLAGSCLI" >> config.mak
1366 echo "CLI_LIBX264 = $CLI_LIBX264" >> config.mak
1367
1368 cat > x264.pc << EOF
1369 prefix=$prefix
1370 exec_prefix=$exec_prefix
1371 libdir=$libdir
1372 includedir=$includedir
1373
1374 Name: x264
1375 Description: H.264 (MPEG4 AVC) encoder library
1376 Version: $(grep POINTVER < x264_config.h | sed -e 's/.* "//; s/".*//')
1377 Libs: -L$libdir -lx264 $([ "$shared" = "yes" ] || echo $libpthread $libm $libdl)
1378 Libs.private: $([ "$shared" = "yes" ] && echo $libpthread $libm $libdl)
1379 Cflags: -I$includedir
1380 EOF
1381
1382 filters="crop select_every"
1383 gpl_filters=""
1384 [ $swscale = yes ] && filters="resize $filters"
1385 [ $gpl = yes ] && filters="$filters $gpl_filters"
1386
1387 cat > conftest.log <<EOF
1388 platform:      $ARCH
1389 system:        $SYS
1390 cli:           $cli
1391 libx264:       $cli_libx264
1392 shared:        $shared
1393 static:        $static
1394 asm:           $asm
1395 interlaced:    $interlaced
1396 avs:           $avs
1397 lavf:          $lavf
1398 ffms:          $ffms
1399 mp4:           $mp4
1400 gpl:           $gpl
1401 thread:        $thread
1402 opencl:        $opencl
1403 filters:       $filters
1404 debug:         $debug
1405 gprof:         $gprof
1406 strip:         $strip
1407 PIC:           $pic
1408 bit depth:     $bit_depth
1409 chroma format: $chroma_format
1410 EOF
1411
1412 echo >> config.log
1413 cat conftest.log >> config.log
1414 cat conftest.log
1415
1416 [ "$SRCPATH" != "." ] && ln -sf ${SRCPATH}/Makefile ./Makefile
1417 mkdir -p common/{aarch64,arm,ppc,x86} encoder extras filters/video input output tools
1418
1419 echo
1420 echo "You can run 'make' or 'make fprofiled' now."
1421