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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              MSA"
363
364 # parse options
365
366 for opt do
367     optarg="${opt#*=}"
368     case "$opt" in
369         --prefix=*)
370             prefix="$optarg"
371             ;;
372         --exec-prefix=*)
373             exec_prefix="$optarg"
374             ;;
375         --bindir=*)
376             bindir="$optarg"
377             ;;
378         --libdir=*)
379             libdir="$optarg"
380             ;;
381         --includedir=*)
382             includedir="$optarg"
383             ;;
384         --disable-cli)
385             cli="no"
386             ;;
387         --system-libx264)
388             cli_libx264="system"
389             ;;
390         --enable-shared)
391             shared="yes"
392             ;;
393         --enable-static)
394             static="yes"
395             ;;
396         --disable-asm)
397             asm="no"
398             ;;
399         --disable-interlaced)
400             interlaced="no"
401             ;;
402         --disable-avs)
403             avs="no"
404             ;;
405         --disable-lavf)
406             lavf="no"
407             ;;
408         --disable-ffms)
409             ffms="no"
410             ;;
411         --disable-gpac)
412             gpac="no"
413             ;;
414         --disable-lsmash)
415             lsmash="no"
416             ;;
417         --disable-gpl)
418             gpl="no"
419             ;;
420         --extra-asflags=*)
421             ASFLAGS="$ASFLAGS $optarg"
422             ;;
423         --extra-cflags=*)
424             CFLAGS="$CFLAGS $optarg"
425             ;;
426         --extra-ldflags=*)
427             LDFLAGS="$LDFLAGS $optarg"
428             ;;
429         --extra-rcflags=*)
430             RCFLAGS="$RCFLAGS $optarg"
431             ;;
432         --disable-thread)
433             thread="no"
434             ;;
435         --enable-win32thread)
436             thread="win32"
437             ;;
438         --disable-swscale)
439             swscale="no"
440             ;;
441         --enable-debug)
442             debug="yes"
443             ;;
444         --enable-gprof)
445             CFLAGS="$CFLAGS -pg"
446             LDFLAGS="$LDFLAGS -pg"
447             gprof="yes"
448             ;;
449         --enable-strip)
450             strip="yes"
451             ;;
452         --enable-pic)
453             pic="yes"
454             ;;
455         --host=*)
456             host="$optarg"
457             ;;
458         --disable-opencl)
459             opencl="no"
460             ;;
461         --cross-prefix=*)
462             cross_prefix="$optarg"
463             ;;
464         --sysroot=*)
465             CFLAGS="$CFLAGS --sysroot=$optarg"
466             LDFLAGS="$LDFLAGS --sysroot=$optarg"
467             ;;
468         --bit-depth=*)
469             bit_depth="$optarg"
470             if [ "$bit_depth" -lt "8" -o "$bit_depth" -gt "10" ]; then
471                 echo "Supplied bit depth must be in range [8,10]."
472                 exit 1
473             fi
474             bit_depth=`expr $bit_depth + 0`
475             ;;
476         --chroma-format=*)
477             chroma_format="$optarg"
478             if [ $chroma_format != "420" -a $chroma_format != "422" -a $chroma_format != "444" -a $chroma_format != "all" ]; then
479                 echo "Supplied chroma format must be 420, 422, 444 or all."
480                 exit 1
481             fi
482             ;;
483         *)
484             echo "Unknown option $opt, ignored"
485             ;;
486     esac
487 done
488
489 [ "$cli" = "no" -a "$shared" = "no" -a "$static" = "no" ] && die "Nothing to build. Enable cli, shared or static."
490
491 CC="${CC-${cross_prefix}gcc}"
492 AR="${AR-${cross_prefix}ar}"
493 RANLIB="${RANLIB-${cross_prefix}ranlib}"
494 STRIP="${STRIP-${cross_prefix}strip}"
495 INSTALL="${INSTALL-install}"
496
497 if [ "x$host" = x ]; then
498     host=`${SRCPATH}/config.guess`
499 fi
500 # normalize a triplet into a quadruplet
501 host=`${SRCPATH}/config.sub $host`
502
503 # split $host
504 host_cpu="${host%%-*}"
505 host="${host#*-}"
506 host_vendor="${host%%-*}"
507 host_os="${host#*-}"
508
509 trap 'rm -f conftest*' EXIT
510
511 # test for use of compilers that require specific handling
512 cc_base=`basename "$CC"`
513 QPRE="-"
514 if [[ $host_os = mingw* || $host_os = cygwin* ]]; then
515     if [[ "$cc_base" = icl || "$cc_base" = icl[\ .]* ]]; then
516         # Windows Intel Compiler creates dependency generation with absolute Windows paths, Cygwin's make does not support Windows paths.
517         [[ $host_os = cygwin* ]] && die "Windows Intel Compiler support requires MSYS"
518         compiler=ICL
519         compiler_style=MS
520         CFLAGS="$CFLAGS -Qstd=c99 -nologo -Qms0 -DHAVE_STRING_H -I\$(SRCPATH)/extras"
521         QPRE="-Q"
522         `$CC 2>&1 | grep -q IA-32` && host_cpu=i486
523         `$CC 2>&1 | grep -q "Intel(R) 64"` && host_cpu=x86_64
524         cpp_check "" "" "_MSC_VER >= 1400" || die "Windows Intel Compiler support requires Visual Studio 2005 or newer"
525         if cc_check '' -Qdiag-error:10006,10157 ; then
526             CHECK_CFLAGS="$CHECK_CFLAGS -Qdiag-error:10006,10157"
527         fi
528     elif [[ "$cc_base" = cl || "$cc_base" = cl[\ .]* ]]; then
529         # Standard Microsoft Visual Studio
530         # Dependency creation includes absolute windows paths, Cygwin's make does not support Windows paths.
531         [[ $host_os = cygwin* ]] && die "Microsoft Visual Studio support requires MSYS"
532         compiler=CL
533         compiler_style=MS
534         CFLAGS="$CFLAGS -nologo -DHAVE_STRING_H -I\$(SRCPATH)/extras"
535         `$CC 2>&1 | grep -q 'x86'` && host_cpu=i486
536         `$CC 2>&1 | grep -q 'x64'` && host_cpu=x86_64
537         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"
538     fi
539 else
540     if [[ "$cc_base" = icc || "$cc_base" = icc[\ .]* ]]; then
541         AR="xiar"
542         compiler=ICC
543     fi
544 fi
545
546 if [[ "$cc_base" = clang || "$cc_base" = clang[\ .]* ]]; then
547     if cc_check '' -Werror=unknown-warning-option ; then
548         CHECK_CFLAGS="$CHECK_CFLAGS -Werror=unknown-warning-option"
549     fi
550 fi
551
552 libm=""
553 case $host_os in
554     beos*)
555         SYS="BEOS"
556         define HAVE_MALLOC_H
557         ;;
558     darwin*)
559         SYS="MACOSX"
560         libm="-lm"
561         if [ "$pic" = "no" ]; then
562             cc_check "" -mdynamic-no-pic && CFLAGS="$CFLAGS -mdynamic-no-pic"
563         fi
564         ;;
565     freebsd*)
566         SYS="FREEBSD"
567         libm="-lm"
568         ;;
569     kfreebsd*-gnu)
570         SYS="FREEBSD"
571         define HAVE_MALLOC_H
572         libm="-lm"
573         ;;
574     netbsd*)
575         SYS="NETBSD"
576         libm="-lm"
577         ;;
578     openbsd*)
579         SYS="OPENBSD"
580         libm="-lm"
581         ;;
582     *linux*)
583         SYS="LINUX"
584         define HAVE_MALLOC_H
585         libm="-lm"
586         ;;
587     gnu*)
588         SYS="HURD"
589         define HAVE_MALLOC_H
590         libm="-lm"
591         ;;
592     cygwin*)
593         EXE=".exe"
594         if cc_check "" -mno-cygwin; then
595             CFLAGS="$CFLAGS -mno-cygwin"
596             LDFLAGS="$LDFLAGS -mno-cygwin"
597         fi
598         if cpp_check "" "" "defined(__CYGWIN__)" ; then
599             define HAVE_MALLOC_H
600             SYS="CYGWIN"
601         else
602             SYS="WINDOWS"
603             DEVNULL="NUL"
604             LDFLAGSCLI="$LDFLAGSCLI -lshell32"
605             RC="${RC-${cross_prefix}windres}"
606         fi
607         ;;
608     mingw*)
609         SYS="WINDOWS"
610         EXE=".exe"
611         DEVNULL="NUL"
612         LDFLAGSCLI="$LDFLAGSCLI -lshell32"
613         [ $compiler = GNU ] && RC="${RC-${cross_prefix}windres}" || RC="${RC-rc}"
614         ;;
615     sunos*|solaris*)
616         SYS="SunOS"
617         define HAVE_MALLOC_H
618         libm="-lm"
619         if cc_check "" /usr/lib/64/values-xpg6.o; then
620             LDFLAGS="$LDFLAGS /usr/lib/64/values-xpg6.o"
621         else
622             LDFLAGS="$LDFLAGS /usr/lib/values-xpg6.o"
623         fi
624         if test -x /usr/ucb/install ; then
625             INSTALL=/usr/ucb/install
626         elif test -x /usr/bin/ginstall ; then
627             # OpenSolaris
628             INSTALL=/usr/bin/ginstall
629         elif test -x /usr/gnu/bin/install ; then
630             # OpenSolaris
631             INSTALL=/usr/gnu/bin/install
632         fi
633         HAVE_GETOPT_LONG=0
634         ;;
635     *qnx*)
636         SYS="QNX"
637         define HAVE_MALLOC_H
638         libm="-lm"
639         HAVE_GETOPT_LONG=0
640         CFLAGS="$CFLAGS -I\$(SRCPATH)/extras"
641         ;;
642     *)
643         die "Unknown system $host, edit the configure"
644         ;;
645 esac
646
647 LDFLAGS="$LDFLAGS $libm"
648
649 stack_alignment=16
650 case $host_cpu in
651     i*86)
652         ARCH="X86"
653         AS="${AS-yasm}"
654         AS_EXT=".asm"
655         ASFLAGS="$ASFLAGS -DARCH_X86_64=0 -I\$(SRCPATH)/common/x86/"
656         if [ $compiler = GNU ]; then
657             if [[ "$asm" == auto && "$CFLAGS" != *-march* ]]; then
658                 CFLAGS="$CFLAGS -march=i686"
659             fi
660             if [[ "$asm" == auto && "$CFLAGS" != *-mfpmath* ]]; then
661                 CFLAGS="$CFLAGS -mfpmath=sse -msse"
662             fi
663             CFLAGS="-m32 $CFLAGS"
664             LDFLAGS="-m32 $LDFLAGS"
665         elif [ $compiler = ICC ]; then
666             # icc on linux has various degrees of mod16 stack support
667             if [ $SYS = LINUX ]; then
668                 # < 11 is completely incapable of keeping a mod16 stack
669                 if cpp_check "" "" "__INTEL_COMPILER < 1100" ; then
670                     stack_alignment=4
671                 # 11 <= x < 12 is capable of keeping a mod16 stack, but defaults to not doing so.
672                 elif cpp_check "" "" "__INTEL_COMPILER < 1200" ; then
673                     CFLAGS="$CFLAGS -falign-stack=assume-16-byte"
674                 fi
675                 # >= 12 defaults to a mod16 stack
676             fi
677         else # ICL/CL
678             # always a mod4 stack
679             stack_alignment=4
680         fi
681         if [ "$SYS" = MACOSX ]; then
682             ASFLAGS="$ASFLAGS -f macho32 -DPREFIX"
683         elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
684             ASFLAGS="$ASFLAGS -f win32 -DPREFIX"
685             LDFLAGS="$LDFLAGS -Wl,--large-address-aware"
686             [ $compiler = GNU ] && LDFLAGS="$LDFLAGS -Wl,--dynamicbase,--nxcompat,--tsaware"
687             [ $compiler = GNU ] && RCFLAGS="--target=pe-i386 $RCFLAGS"
688         else
689             ASFLAGS="$ASFLAGS -f elf32"
690         fi
691         ;;
692     x86_64)
693         ARCH="X86_64"
694         AS="${AS-yasm}"
695         AS_EXT=".asm"
696         ASFLAGS="$ASFLAGS -DARCH_X86_64=1 -I\$(SRCPATH)/common/x86/"
697         [ $compiler = GNU ] && CFLAGS="-m64 $CFLAGS" && LDFLAGS="-m64 $LDFLAGS"
698         if [ "$SYS" = MACOSX ]; then
699             ASFLAGS="$ASFLAGS -f macho64 -DPIC -DPREFIX"
700             if cc_check '' "-arch x86_64"; then
701                 CFLAGS="$CFLAGS -arch x86_64"
702                 LDFLAGS="$LDFLAGS -arch x86_64"
703             fi
704         elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
705             ASFLAGS="$ASFLAGS -f win64"
706             # only the GNU toolchain is inconsistent in prefixing function names with _
707             [ $compiler = GNU ] && cc_check "" "-S" && grep -q "_main:" conftest && ASFLAGS="$ASFLAGS -DPREFIX"
708             [ $compiler = GNU ] && LDFLAGS="$LDFLAGS -Wl,--dynamicbase,--nxcompat,--tsaware"
709             [ $compiler = GNU ] && RCFLAGS="--target=pe-x86-64 $RCFLAGS"
710         else
711             ASFLAGS="$ASFLAGS -f elf64"
712         fi
713         ;;
714     powerpc*)
715         ARCH="PPC"
716         if [ $asm = auto ] ; then
717             define HAVE_ALTIVEC
718             AS="${AS-${CC}}"
719             AS_EXT=".c"
720             if [ $SYS = MACOSX ] ; then
721                 CFLAGS="$CFLAGS -faltivec -fastf -mcpu=G4"
722             else
723                 CFLAGS="$CFLAGS -maltivec -mabi=altivec"
724                 define HAVE_ALTIVEC_H
725             fi
726         fi
727         ;;
728     sparc)
729         ARCH="SPARC"
730         ;;
731     mips*)
732         ARCH="MIPS"
733         AS="${AS-${CC}}"
734         AS_EXT=".c"
735         ;;
736     arm*)
737         ARCH="ARM"
738         if [ "$SYS" = MACOSX ] ; then
739             AS="${AS-${SRCPATH}/tools/gas-preprocessor.pl -arch arm -- ${CC}}"
740             ASFLAGS="$ASFLAGS -DPREFIX -DPIC"  # apple's ld doesn't support movw/movt relocations at all
741             # build for armv7 by default
742             if ! echo $CFLAGS | grep -Eq '\-arch' ; then
743                 CFLAGS="$CFLAGS -arch armv7"
744                 LDFLAGS="$LDFLAGS -arch armv7"
745             fi
746         else
747             AS="${AS-${CC}}"
748         fi
749         ;;
750     aarch64)
751         ARCH="AARCH64"
752         if [ "$SYS" = MACOSX ] ; then
753             AS="${AS-${SRCPATH}/tools/gas-preprocessor.pl -arch aarch64 -- ${CC}}"
754             ASFLAGS="$ASFLAGS -DPREFIX"
755         else
756             AS="${AS-${CC}}"
757         fi
758         ;;
759     s390|s390x)
760         ARCH="S390"
761         ;;
762     hppa*|parisc*)
763         ARCH="PARISC"
764         ;;
765     ia64)
766         ARCH="IA64"
767         ;;
768     alpha*)
769         ARCH="ALPHA"
770         ;;
771     *)
772         ARCH="$(echo $host_cpu | tr a-z A-Z)"
773         ;;
774 esac
775
776 if [ $SYS = WINDOWS ]; then
777     if ! rc_check "0 RCDATA {0}" ; then
778         RC=""
779     fi
780 fi
781
782 log_msg "x264 configure script"
783 if [ -n "$*" ]; then
784     msg="Command line options:"
785     for i in $@; do
786         msg="$msg \"$i\""
787     done
788     log_msg "$msg"
789 fi
790 log_msg ""
791
792 # check requirements
793
794 cc_check || die "No working C compiler found."
795
796 if [ $compiler_style = GNU ]; then
797     if cc_check '' -std=gnu99 'for( int i = 0; i < 9; i++ );' ; then
798         CFLAGS="$CFLAGS -std=gnu99"
799     elif cc_check '' -std=c99 'for( int i = 0; i < 9; i++ );' ; then
800         CFLAGS="$CFLAGS -std=c99 -D_POSIX_C_SOURCE=200112L -D_BSD_SOURCE"
801     elif ! cc_check '' '' 'for( int i = 0; i < 9; i++ );' ; then
802         die "C99 compiler is needed for compilation."
803     fi
804 fi
805
806 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
807     pic="yes"
808 fi
809
810 if [ $asm = auto -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
811     if ! as_check "vpmovzxwd ymm0, xmm0" ; then
812         VER=`($AS --version || echo no assembler) 2>/dev/null | head -n 1`
813         echo "Found $VER"
814         echo "Minimum version is yasm-1.2.0"
815         echo "If you really want to compile without asm, configure with --disable-asm."
816         exit 1
817     fi
818     cc_check '' '' '__asm__("pabsw %xmm0, %xmm0");' && define HAVE_X86_INLINE_ASM
819     ASFLAGS="$ASFLAGS -Worphan-labels"
820     define HAVE_MMX
821     if [ $compiler = GNU ] && cc_check '' -mpreferred-stack-boundary=5 ; then
822         CFLAGS="$CFLAGS -mpreferred-stack-boundary=5"
823         stack_alignment=32
824     fi
825 fi
826
827 if [ $asm = auto -a $ARCH = ARM ] ; then
828     # set flags so neon is built by default
829     echo $CFLAGS | grep -Eq '(-mcpu|-march|-mfpu)' || CFLAGS="$CFLAGS -mcpu=cortex-a8 -mfpu=neon"
830
831     if  cc_check '' '' '__asm__("rev ip, ip");' ; then      define HAVE_ARMV6
832         cc_check '' '' '__asm__("movt r0, #0");'         && define HAVE_ARMV6T2
833         cc_check '' '' '__asm__("vadd.i16 q0, q0, q0");' && define HAVE_NEON
834         ASFLAGS="$ASFLAGS -c"
835     else
836         echo "You specified a pre-ARMv6 or Thumb-1 CPU in your CFLAGS."
837         echo "If you really want to run on such a CPU, configure with --disable-asm."
838         exit 1
839     fi
840 fi
841
842 if [ $asm = auto -a $ARCH = AARCH64 ] ; then
843     if  cc_check '' '' '__asm__("cmeq v0.8h, v0.8h, #0");' ; then define HAVE_NEON
844         ASFLAGS="$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 if [ $asm = auto -a $ARCH = MIPS ] ; then
858     if ! echo $CFLAGS | grep -Eq '(-march|-mmsa|-mno-msa)' ; then
859         cc_check '' '-mmsa -mfp64 -mhard-float' && CFLAGS="-mmsa -mfp64 -mhard-float $CFLAGS"
860     fi
861
862     if cc_check '' '' '__asm__("addvi.b $w0, $w1, 1");' ; then
863         define HAVE_MSA
864     else
865         echo "You specified a pre-MSA CPU in your CFLAGS."
866         echo "If you really want to run on such a CPU, configure with --disable-asm."
867         exit 1
868     fi
869 fi
870
871 [ $asm = no ] && AS=""
872 [ "x$AS" = x ] && asm="no" || asm="yes"
873
874 define ARCH_$ARCH
875 define SYS_$SYS
876
877 define STACK_ALIGNMENT $stack_alignment
878 ASFLAGS="$ASFLAGS -DSTACK_ALIGNMENT=$stack_alignment"
879
880 # 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
881 CPU_ENDIAN="little-endian"
882 if [ $compiler = GNU ]; then
883     echo "int i[2] = {0x42494745,0}; double f[2] = {0x1.0656e6469616ep+102,0};" > conftest.c
884     $CC $CFLAGS conftest.c -c -o conftest.o 2>/dev/null || die "endian test failed"
885     if (${cross_prefix}strings -a conftest.o | grep -q BIGE) && (${cross_prefix}strings -a conftest.o | grep -q FPendian) ; then
886         define WORDS_BIGENDIAN
887         CPU_ENDIAN="big-endian"
888     elif !(${cross_prefix}strings -a conftest.o | grep -q EGIB && ${cross_prefix}strings -a conftest.o | grep -q naidnePF) ; then
889         die "endian test failed"
890     fi
891 fi
892
893 if [ "$cli_libx264" = "system" -a "$shared" != "yes" ] ; then
894     [ "$static" = "yes" ] && die "Option --system-libx264 can not be used together with --enable-static"
895     if ${cross_prefix}pkg-config --exists x264 2>/dev/null; then
896         X264_LIBS="$(${cross_prefix}pkg-config --libs x264)"
897         X264_INCLUDE_DIR="${X264_INCLUDE_DIR-$(${cross_prefix}pkg-config --variable=includedir x264)}"
898         configure_system_override "$X264_INCLUDE_DIR" || die "Detection of system libx264 configuration failed"
899     else
900         die "Can not find system libx264"
901     fi
902 fi
903
904 # autodetect options that weren't forced nor disabled
905
906 # pthread-win32 is lgpl, prevent its use if --disable-gpl is specified and targeting windows
907 [ "$SYS" = "WINDOWS" -a "$gpl" = "no" -a "$thread" = "auto" ] && thread="win32"
908
909 libpthread=""
910 if [ "$thread" = "auto" ]; then
911     thread="no"
912     case $SYS in
913         BEOS)
914             thread="beos"
915             define HAVE_BEOSTHREAD
916             ;;
917         WINDOWS)
918             if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
919                 thread="posix"
920                 libpthread="-lpthread"
921             elif cc_check pthread.h -lpthreadGC2 "pthread_create(0,0,0,0);" ; then
922                 thread="posix"
923                 libpthread="-lpthreadGC2"
924             elif cc_check pthread.h "-lpthreadGC2 -lwsock32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
925                 thread="posix"
926                 libpthread="-lpthreadGC2 -lwsock32"
927                 define PTW32_STATIC_LIB
928             elif cc_check pthread.h "-lpthreadGC2 -lws2_32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
929                 thread="posix"
930                 libpthread="-lpthreadGC2 -lws2_32"
931                 define PTW32_STATIC_LIB
932             else
933                 # default to native threading if pthread-win32 is unavailable
934                 thread="win32"
935             fi
936             ;;
937         QNX)
938             cc_check pthread.h -lc "pthread_create(0,0,0,0);" && thread="posix" && libpthread="-lc"
939             ;;
940         *)
941             if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
942                thread="posix"
943                libpthread="-lpthread"
944             else
945                 cc_check pthread.h "" "pthread_create(0,0,0,0);" && thread="posix" && libpthread=""
946             fi
947             ;;
948     esac
949 fi
950 if [ "$thread" = "posix" ]; then
951     LDFLAGS="$LDFLAGS $libpthread"
952     define HAVE_POSIXTHREAD
953     if [ "$SYS" = "LINUX" ] && cc_check sched.h "-D_GNU_SOURCE -Werror" "cpu_set_t p_aff; return CPU_COUNT(&p_aff);" ; then
954         define HAVE_CPU_COUNT
955     fi
956 fi
957 if [ "$thread" = "win32" ]; then
958     # cygwin does not support win32 threads
959     if [ "$SYS" = "WINDOWS" ]; then
960         define HAVE_WIN32THREAD
961     else
962         thread="no"
963     fi
964 fi
965 [ "$thread" != "no" ] && define HAVE_THREAD
966
967 if cc_check "math.h" "-Werror" "return log2f(2);" ; then
968     define HAVE_LOG2F
969 fi
970
971 if [ "$SYS" = "LINUX" -a \( "$ARCH" = "X86" -o "$ARCH" = "X86_64" \) ] && cc_check "sys/mman.h" "" "MADV_HUGEPAGE;" ; then
972     define HAVE_THP
973 fi
974
975 if [ "$swscale" = "auto" ] ; then
976     swscale="no"
977     if ${cross_prefix}pkg-config --exists libswscale 2>/dev/null; then
978         SWSCALE_LIBS="$SWSCALE_LIBS $(${cross_prefix}pkg-config --libs libswscale libavutil)"
979         SWSCALE_CFLAGS="$SWSCALE_CFLAGS $(${cross_prefix}pkg-config --cflags libswscale libavutil)"
980     fi
981     [ -z "$SWSCALE_LIBS" ] && SWSCALE_LIBS="-lswscale -lavutil"
982
983     if cc_check "libswscale/swscale.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "sws_init_context(0,0,0);" ; then
984         if cpp_check "libavutil/pixdesc.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "defined(AV_PIX_FMT_FLAG_RGB)" ; then
985             swscale="yes"
986         else
987             echo "Warning: AV_PIX_FMT_FLAG_RGB is missing from libavutil, update for swscale support"
988         fi
989     fi
990 fi
991
992 if [ "$lavf" = "auto" ] ; then
993     lavf="no"
994     if ${cross_prefix}pkg-config --exists libavformat libavcodec libswscale 2>/dev/null; then
995         LAVF_LIBS="$LAVF_LIBS $(${cross_prefix}pkg-config --libs libavformat libavcodec libavutil libswscale)"
996         LAVF_CFLAGS="$LAVF_CFLAGS $(${cross_prefix}pkg-config --cflags libavformat libavcodec libavutil libswscale)"
997     fi
998     if [ -z "$LAVF_LIBS" -a -z "$LAVF_CFLAGS" ]; then
999         LAVF_LIBS="-lavformat"
1000         for lib in -lpostproc -lavcodec -lswscale -lavutil -lm -lz -lbz2 $libpthread -lavifil32 -lws2_32; do
1001             cc_check "" $lib && LAVF_LIBS="$LAVF_LIBS $lib"
1002         done
1003     fi
1004     LAVF_LIBS="-L. $LAVF_LIBS"
1005     if cc_check libavformat/avformat.h "$LAVF_CFLAGS $LAVF_LIBS" "av_frame_free(0);" ; then
1006         if [ "$swscale" = "yes" ]; then
1007             lavf="yes"
1008         else
1009             echo "Warning: libavformat is not supported without swscale support"
1010         fi
1011     fi
1012 fi
1013
1014 if [ "$ffms" = "auto" ] ; then
1015     ffms_major="2"; ffms_minor="16"; ffms_micro="2"; ffms_bump="0"
1016     ffms="no"
1017
1018     if ${cross_prefix}pkg-config --exists ffms2 2>/dev/null; then
1019         FFMS2_LIBS="$FFMS2_LIBS $(${cross_prefix}pkg-config --libs ffms2)"
1020         FFMS2_CFLAGS="$FFMS2_CFLAGS $(${cross_prefix}pkg-config --cflags ffms2)"
1021     fi
1022     [ -z "$FFMS2_LIBS" ] && FFMS2_LIBS="-lffms2"
1023
1024     if cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS" "FFMS_DestroyVideoSource(0);" ; then
1025         ffms="yes"
1026     elif cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS -lstdc++ $LAVF_LIBS" "FFMS_DestroyVideoSource(0);" ; then
1027         ffms="yes"
1028         FFMS2_LIBS="$FFMS2_LIBS -lstdc++ $LAVF_LIBS"
1029     fi
1030
1031     error="ffms must be at least version $ffms_major.$ffms_minor.$ffms_micro.$ffms_bump"
1032     if [ $ffms = "yes" ] && ! cpp_check "ffms.h" "$FFMS2_CFLAGS" "FFMS_VERSION >= (($ffms_major << 24) | ($ffms_minor << 16) | ($ffms_micro << 8) | $ffms_bump)" "$error"; then
1033        ffms="no"
1034        echo "Warning: $error"
1035     fi
1036     if [ "$ffms" = "yes" -a "$swscale" = "no" ]; then
1037         echo "Warning: ffms is not supported without swscale support"
1038         ffms="no"
1039     fi
1040 fi
1041
1042 if [ "$swscale" = "yes" ]; then
1043     LDFLAGSCLI="$SWSCALE_LIBS $LDFLAGSCLI"
1044     CFLAGS="$CFLAGS $SWSCALE_CFLAGS"
1045     define HAVE_SWSCALE
1046     if [ "$lavf" = "yes" ]; then
1047         LDFLAGSCLI="$LAVF_LIBS $LDFLAGSCLI"
1048         CFLAGS="$CFLAGS $LAVF_CFLAGS"
1049         define HAVE_LAVF
1050     fi
1051     if [ "$ffms" = "yes" ]; then
1052         LDFLAGSCLI="$FFMS2_LIBS $LDFLAGSCLI"
1053         CFLAGS="$CFLAGS $FFMS2_CFLAGS"
1054         define HAVE_FFMS
1055     fi
1056 fi
1057
1058 if [ "$lsmash" = "auto" ] ; then
1059     lsmash="no"
1060     if ${cross_prefix}pkg-config --exists liblsmash 2>/dev/null; then
1061         LSMASH_LIBS="$LSMASH_LIBS $(${cross_prefix}pkg-config --libs liblsmash)"
1062         LSMASH_CFLAGS="$LSMASH_CFLAGS $(${cross_prefix}pkg-config --cflags liblsmash)"
1063     fi
1064     [ -z "$LSMASH_LIBS" ] && LSMASH_LIBS="-llsmash"
1065
1066     if cc_check lsmash.h "$LSMASH_CFLAGS $LSMASH_LIBS" ; then
1067         if cpp_check lsmash.h "$LSMASH_CFLAGS" "LSMASH_VERSION_MAJOR > 1 || (LSMASH_VERSION_MAJOR == 1 && LSMASH_VERSION_MINOR >= 5)" ; then
1068             lsmash="yes"
1069         else
1070             echo "Warning: lsmash is too old, update to rev.895 or later"
1071         fi
1072     fi
1073 fi
1074
1075 if [ "$gpac" = "auto" -a "$lsmash" != "yes" ] ; then
1076     gpac="no"
1077     GPAC_LIBS="-lgpac_static"
1078     cc_check "" -lz && GPAC_LIBS="$GPAC_LIBS -lz"
1079     if [ "$SYS" = "WINDOWS" ] ; then
1080         cc_check "" -lws2_32 && GPAC_LIBS="$GPAC_LIBS -lws2_32"
1081         cc_check "" -lwinmm && GPAC_LIBS="$GPAC_LIBS -lwinmm"
1082     fi
1083     if cc_check gpac/isomedia.h "$GPAC_LIBS" ; then
1084         if cc_check gpac/isomedia.h "$GPAC_LIBS" "gf_isom_set_pixel_aspect_ratio(0,0,0,0,0);" ; then
1085             gpac="yes"
1086         else
1087             echo "Warning: gpac is too old, update to 2007-06-21 UTC or later"
1088         fi
1089     fi
1090 fi
1091
1092 if [ "$lsmash" = "yes" ] ; then
1093     mp4="lsmash"
1094     LDFLAGSCLI="$LSMASH_LIBS $LDFLAGSCLI"
1095     CFLAGS="$CFLAGS $LSMASH_CFLAGS"
1096     define HAVE_LSMASH
1097 elif [ "$gpac" = "yes" ] ; then
1098     mp4="gpac"
1099     define HAVE_GPAC
1100     LDFLAGSCLI="$GPAC_LIBS $LDFLAGSCLI"
1101 fi
1102
1103 if [ "$avs" = "auto" ] ; then
1104     avs="no"
1105     # cygwin can use avisynth if it can use LoadLibrary
1106     if [ $SYS = WINDOWS ] || ([ $SYS = CYGWIN ] && cc_check windows.h "" "LoadLibraryW(0);") ; then
1107         avs="avisynth"
1108         define HAVE_AVS
1109         define USE_AVXSYNTH 0
1110     elif [ "$SYS" = "LINUX" -o "$SYS" = "MACOSX" ] ; then
1111     # AvxSynth currently only supports Linux and OSX
1112         avs="avxsynth"
1113         define HAVE_AVS
1114         define USE_AVXSYNTH 1
1115         AVS_LIBS="-ldl"
1116         LDFLAGSCLI="$AVS_LIBS $LDFLAGSCLI"
1117     fi
1118 fi
1119
1120 cc_check "stdint.h" "" "uint32_t test_vec __attribute__ ((vector_size (16))) = {0,1,2,3};" && define HAVE_VECTOREXT
1121
1122 if [ "$pic" = "yes" ] ; then
1123     [ "$SYS" != WINDOWS -a "$SYS" != CYGWIN ] && CFLAGS="$CFLAGS -fPIC"
1124     ASFLAGS="$ASFLAGS -DPIC"
1125     # resolve textrels in the x86 asm
1126     cc_check stdio.h "-shared -Wl,-Bsymbolic" && SOFLAGS="$SOFLAGS -Wl,-Bsymbolic"
1127     [ $SYS = SunOS -a "$ARCH" = "X86" ] && SOFLAGS="$SOFLAGS -mimpure-text"
1128 fi
1129
1130 if [ "$debug" != "yes" -a "$gprof" != "yes" ]; then
1131     CFLAGS="$CFLAGS -fomit-frame-pointer"
1132 fi
1133
1134 if [ "$strip" = "yes" ]; then
1135     LDFLAGS="$LDFLAGS -s"
1136 fi
1137
1138 if [ "$debug" = "yes" ]; then
1139     CFLAGS="-O1 -g $CFLAGS"
1140 else
1141     CFLAGS="-O3 -ffast-math $CFLAGS"
1142 fi
1143
1144 if cc_check '' -fno-tree-vectorize ; then
1145     CFLAGS="$CFLAGS -fno-tree-vectorize"
1146 fi
1147
1148 if [ $SYS = WINDOWS -a $ARCH = X86 -a $compiler = GNU ] ; then
1149     # workaround gcc/ld bug with alignment of static variables/arrays that are initialized to zero
1150     cc_check '' -fno-zero-initialized-in-bss && CFLAGS="$CFLAGS -fno-zero-initialized-in-bss"
1151 fi
1152
1153 if cc_check "stdio.h" "" "fseeko(stdin,0,0);" ; then
1154     define fseek fseeko
1155     define ftell ftello
1156 elif cc_check "stdio.h" "" "fseeko64(stdin,0,0);" ; then
1157     define fseek fseeko64
1158     define ftell ftello64
1159 elif cc_check "stdio.h" "" "_fseeki64(stdin,0,0);" ; then
1160     define fseek _fseeki64
1161     define ftell _ftelli64
1162 fi
1163
1164 if cc_check '' -Wshadow ; then
1165     CFLAGS="-Wshadow $CFLAGS"
1166 fi
1167
1168 if cc_check '' -Wmaybe-uninitialized ; then
1169     CFLAGS="-Wno-maybe-uninitialized $CFLAGS"
1170 fi
1171
1172 if [ $compiler = ICC -o $compiler = ICL ] ; then
1173     if cc_check 'extras/intel_dispatcher.h' '' 'x264_intel_dispatcher_override();' ; then
1174         define HAVE_INTEL_DISPATCHER
1175     fi
1176 fi
1177
1178 if [ "$bit_depth" -gt "8" ]; then
1179     define HIGH_BIT_DEPTH
1180     ASFLAGS="$ASFLAGS -DHIGH_BIT_DEPTH=1"
1181     opencl="no"
1182 else
1183     ASFLAGS="$ASFLAGS -DHIGH_BIT_DEPTH=0"
1184 fi
1185
1186 if [ "$chroma_format" != "all" ]; then
1187     define CHROMA_FORMAT CHROMA_$chroma_format
1188 fi
1189
1190 ASFLAGS="$ASFLAGS -DBIT_DEPTH=$bit_depth"
1191
1192 [ $gpl = yes ] && define HAVE_GPL && x264_gpl=1 || x264_gpl=0
1193
1194 [ $interlaced = yes ] && define HAVE_INTERLACED && x264_interlaced=1 || x264_interlaced=0
1195
1196 libdl=""
1197 if [ "$opencl" = "yes" ]; then
1198     opencl="no"
1199     # cygwin can use opencl if it can use LoadLibrary
1200     if [ $SYS = WINDOWS ] || ([ $SYS = CYGWIN ] && cc_check windows.h "" "LoadLibraryW(0);") ; then
1201         opencl="yes"
1202         define HAVE_OPENCL
1203     elif [ "$SYS" = "LINUX" -o "$SYS" = "MACOSX" ] ; then
1204         opencl="yes"
1205         define HAVE_OPENCL
1206         libdl="-ldl"
1207     fi
1208     LDFLAGS="$LDFLAGS $libdl"
1209 fi
1210
1211 #define undefined vars as 0
1212 for var in $CONFIG_HAVE; do
1213     grep -q "HAVE_$var 1" config.h || define HAVE_$var 0
1214 done
1215
1216 # generate exported config file
1217
1218 config_chroma_format="X264_CSP_I$chroma_format"
1219 [ "$config_chroma_format" == "X264_CSP_Iall" ] && config_chroma_format="0"
1220 cat > x264_config.h << EOF
1221 #define X264_BIT_DEPTH     $bit_depth
1222 #define X264_GPL           $x264_gpl
1223 #define X264_INTERLACED    $x264_interlaced
1224 #define X264_CHROMA_FORMAT $config_chroma_format
1225 EOF
1226
1227 ${SRCPATH}/version.sh "${SRCPATH}" >> x264_config.h
1228
1229 if [ "$cli_libx264" = "system" ] ; then
1230     if [ "$shared" = "yes" ]; then
1231         CLI_LIBX264='$(SONAME)'
1232     else
1233         CLI_LIBX264=
1234         LDFLAGSCLI="$X264_LIBS $LDFLAGSCLI"
1235         cc_check 'stdint.h x264.h' '' 'x264_encoder_open(0);' || die "System libx264 can't be used for compilation of this version"
1236     fi
1237 else
1238     CLI_LIBX264='$(LIBX264)'
1239 fi
1240
1241 DEPMM="${QPRE}MM"
1242 DEPMT="${QPRE}MT"
1243 if [ $compiler_style = MS ]; then
1244     AR="lib -nologo -out:"
1245     LD="link -out:"
1246     if [ $compiler = ICL ]; then
1247         AR="xi$AR"
1248         LD="xi$LD"
1249     else
1250         mslink="$(dirname "$(command -v cl 2>/dev/null)")/link"
1251         [ -x "$mslink" ] && LD="\"$mslink\" -out:"
1252     fi
1253     HAVE_GETOPT_LONG=0
1254     LDFLAGS="-nologo -incremental:no $(cl_ldflags $LDFLAGS)"
1255     LDFLAGSCLI="$(cl_ldflags $LDFLAGSCLI)"
1256     LIBX264=libx264.lib
1257     RANLIB=
1258     [ -n "$RC" ] && RCFLAGS="$RCFLAGS -nologo -I. -I\$(SRCPATH)/extras -fo"
1259     STRIP=
1260     if [ $debug = yes ]; then
1261         LDFLAGS="-debug $LDFLAGS"
1262         CFLAGS="-D_DEBUG $CFLAGS"
1263     else
1264         CFLAGS="-DNDEBUG $CFLAGS"
1265     fi
1266 else # gcc/icc
1267     DEPMM="$DEPMM -g0"
1268     AR="$AR rc "
1269     LD="$CC -o "
1270     LIBX264=libx264.a
1271     [ -n "$RC" ] && RCFLAGS="$RCFLAGS -I. -o "
1272 fi
1273 [ $compiler != GNU ] && CFLAGS="$(cc_cflags $CFLAGS)"
1274 if [ $compiler = ICC -o $compiler = ICL ]; then
1275     # icc does not define __SSE__ until SSE2 optimization and icl never defines it or _M_IX86_FP
1276     [ \( $ARCH = X86_64 -o $ARCH = X86 \) -a $asm = yes ] && ! cpp_check "" "" "defined(__SSE__)" && define __SSE__
1277     PROF_GEN_CC="${QPRE}prof-gen ${QPRE}prof-dir."
1278     PROF_GEN_LD=
1279     PROF_USE_CC="${QPRE}prof-use ${QPRE}prof-dir."
1280     PROF_USE_LD=
1281 elif [ $compiler = CL ]; then
1282     # Visual Studio
1283     # _M_IX86_FP is only defined on x86
1284     [ $ARCH = X86 ] && cpp_check '' '' '_M_IX86_FP >= 1' && define __SSE__
1285     [ $ARCH = X86_64 ] && define __SSE__
1286     # As long as the cli application can't link against the dll, the dll can not be pgo'd.
1287     # pgds are link flag specific and the -dll flag for creating the dll makes it unshareable with the cli
1288     PROF_GEN_CC="-GL"
1289     PROF_GEN_LD="-LTCG:PGINSTRUMENT"
1290     PROF_USE_CC="-GL"
1291     PROF_USE_LD="-LTCG:PGOPTIMIZE"
1292 else
1293     PROF_GEN_CC="-fprofile-generate"
1294     PROF_GEN_LD="-fprofile-generate"
1295     PROF_USE_CC="-fprofile-use"
1296     PROF_USE_LD="-fprofile-use"
1297 fi
1298
1299 # generate config files
1300
1301 cat > config.mak << EOF
1302 SRCPATH=$SRCPATH
1303 prefix=$prefix
1304 exec_prefix=$exec_prefix
1305 bindir=$bindir
1306 libdir=$libdir
1307 includedir=$includedir
1308 SYS_ARCH=$ARCH
1309 SYS=$SYS
1310 CC=$CC
1311 CFLAGS=$CFLAGS
1312 COMPILER=$compiler
1313 COMPILER_STYLE=$compiler_style
1314 DEPMM=$DEPMM
1315 DEPMT=$DEPMT
1316 LD=$LD
1317 LDFLAGS=$LDFLAGS
1318 LIBX264=$LIBX264
1319 AR=$AR
1320 RANLIB=$RANLIB
1321 STRIP=$STRIP
1322 INSTALL=$INSTALL
1323 AS=$AS
1324 ASFLAGS=$ASFLAGS
1325 RC=$RC
1326 RCFLAGS=$RCFLAGS
1327 EXE=$EXE
1328 HAVE_GETOPT_LONG=$HAVE_GETOPT_LONG
1329 DEVNULL=$DEVNULL
1330 PROF_GEN_CC=$PROF_GEN_CC
1331 PROF_GEN_LD=$PROF_GEN_LD
1332 PROF_USE_CC=$PROF_USE_CC
1333 PROF_USE_LD=$PROF_USE_LD
1334 HAVE_OPENCL=$opencl
1335 EOF
1336
1337 if [ $compiler_style = MS ]; then
1338     echo '%.o: %.c' >> config.mak
1339     echo '      $(CC) $(CFLAGS) -c -Fo$@ $<' >> config.mak
1340 fi
1341
1342 if [ "$cli" = "yes" ]; then
1343     echo 'default: cli' >> config.mak
1344     echo 'install: install-cli' >> config.mak
1345 fi
1346
1347 if [ "$shared" = "yes" ]; then
1348     API=$(grep '#define X264_BUILD' < ${SRCPATH}/x264.h | cut -f 3 -d ' ')
1349     if [ "$SYS" = "WINDOWS" -o "$SYS" = "CYGWIN" ]; then
1350         echo "SONAME=libx264-$API.dll" >> config.mak
1351         if [ $compiler_style = MS ]; then
1352             echo 'IMPLIBNAME=libx264.dll.lib' >> config.mak
1353             # GNU ld on windows defaults to exporting all global functions if there are no explicit __declspec(dllexport) declarations
1354             # 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
1355             echo "SOFLAGS=-dll -def:x264.def -implib:\$(IMPLIBNAME) $SOFLAGS" >> config.mak
1356             echo "EXPORTS" > x264.def
1357             # export API functions
1358             grep "^\(int\|void\|x264_t\).*x264" ${SRCPATH}/x264.h | sed -e "s/.*\(x264.*\)(.*/\1/;s/open/open_$API/g" >> x264.def
1359             # export API variables/data. must be flagged with the DATA keyword
1360             grep "extern.*x264" ${SRCPATH}/x264.h | sed -e "s/.*\(x264\w*\)\W.*/\1 DATA/;" >> x264.def
1361         else
1362             echo 'IMPLIBNAME=libx264.dll.a' >> config.mak
1363             echo "SOFLAGS=-shared -Wl,--out-implib,\$(IMPLIBNAME) -Wl,--enable-auto-image-base $SOFLAGS" >> config.mak
1364         fi
1365     elif [ "$SYS" = "MACOSX" ]; then
1366         echo "SOSUFFIX=dylib" >> config.mak
1367         echo "SONAME=libx264.$API.dylib" >> config.mak
1368         echo "SOFLAGS=-shared -dynamiclib -Wl,-single_module -Wl,-read_only_relocs,suppress -install_name \$(DESTDIR)\$(libdir)/\$(SONAME) $SOFLAGS" >> config.mak
1369     elif [ "$SYS" = "SunOS" ]; then
1370         echo "SOSUFFIX=so" >> config.mak
1371         echo "SONAME=libx264.so.$API" >> config.mak
1372         echo "SOFLAGS=-shared -Wl,-h,\$(SONAME) $SOFLAGS" >> config.mak
1373     else
1374         echo "SOSUFFIX=so" >> config.mak
1375         echo "SONAME=libx264.so.$API" >> config.mak
1376         echo "SOFLAGS=-shared -Wl,-soname,\$(SONAME) $SOFLAGS" >> config.mak
1377     fi
1378     echo 'default: lib-shared' >> config.mak
1379     echo 'install: install-lib-shared' >> config.mak
1380 fi
1381
1382 if [ "$static" = "yes" ]; then
1383     echo 'default: lib-static' >> config.mak
1384     echo 'install: install-lib-static' >> config.mak
1385 fi
1386
1387 echo "LDFLAGSCLI = $LDFLAGSCLI" >> config.mak
1388 echo "CLI_LIBX264 = $CLI_LIBX264" >> config.mak
1389
1390 cat > x264.pc << EOF
1391 prefix=$prefix
1392 exec_prefix=$exec_prefix
1393 libdir=$libdir
1394 includedir=$includedir
1395
1396 Name: x264
1397 Description: H.264 (MPEG4 AVC) encoder library
1398 Version: $(grep POINTVER < x264_config.h | sed -e 's/.* "//; s/".*//')
1399 Libs: -L$libdir -lx264 $([ "$shared" = "yes" ] || echo $libpthread $libm $libdl)
1400 Libs.private: $([ "$shared" = "yes" ] && echo $libpthread $libm $libdl)
1401 Cflags: -I$includedir
1402 EOF
1403
1404 filters="crop select_every"
1405 gpl_filters=""
1406 [ $swscale = yes ] && filters="resize $filters"
1407 [ $gpl = yes ] && filters="$filters $gpl_filters"
1408
1409 cat > conftest.log <<EOF
1410 platform:      $ARCH
1411 byte order:    $CPU_ENDIAN
1412 system:        $SYS
1413 cli:           $cli
1414 libx264:       $cli_libx264
1415 shared:        $shared
1416 static:        $static
1417 asm:           $asm
1418 interlaced:    $interlaced
1419 avs:           $avs
1420 lavf:          $lavf
1421 ffms:          $ffms
1422 mp4:           $mp4
1423 gpl:           $gpl
1424 thread:        $thread
1425 opencl:        $opencl
1426 filters:       $filters
1427 debug:         $debug
1428 gprof:         $gprof
1429 strip:         $strip
1430 PIC:           $pic
1431 bit depth:     $bit_depth
1432 chroma format: $chroma_format
1433 EOF
1434
1435 echo >> config.log
1436 cat conftest.log >> config.log
1437 cat conftest.log
1438
1439 [ "$SRCPATH" != "." ] && ln -sf ${SRCPATH}/Makefile ./Makefile
1440 mkdir -p common/{aarch64,arm,ppc,x86} encoder extras filters/video input output tools
1441
1442 echo
1443 echo "You can run 'make' or 'make fprofiled' now."
1444