]> git.sesse.net Git - x264/blob - configure
configure: improve cc_check for clang and ICL to not ignore unknown options
[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
123         [ -n "$arg" ] && echo -n "$arg "
124     done
125 }
126
127 cc_check() {
128     if [ -z "$3" ]; then
129         if [ -z "$1$2" ]; then
130             log_check "whether $CC works"
131         elif [ -z "$1" ]; then
132             log_check "for $2"
133         else
134             log_check "for $1"
135         fi
136     elif [ -z "$1" ]; then
137         if [ -z "$2" ]; then
138             log_check "whether $CC supports $3"
139         else
140             log_check "whether $CC supports $3 with $2"
141         fi
142     else
143         log_check "for $3 in $1";
144     fi
145     rm -f conftest.c
146     [ -n "$1" ] && echo "#include <$1>" > conftest.c
147     echo "int main (void) { $3 return 0; }" >> conftest.c
148     if [ $compiler_style = MS ]; then
149         cc_cmd="$CC conftest.c $(cc_cflags $CFLAGS $CHECK_CFLAGS $2) -link $(cl_ldflags $2 $LDFLAGSCLI $LDFLAGS)"
150     else
151         cc_cmd="$CC conftest.c $CFLAGS $CHECK_CFLAGS $2 $LDFLAGSCLI $LDFLAGS -o conftest"
152     fi
153     if $cc_cmd >conftest.log 2>&1; then
154         res=$?
155         log_ok
156     else
157         res=$?
158         log_fail
159         log_msg "Failed commandline was:"
160         log_msg "--------------------------------------------------"
161         log_msg "$cc_cmd"
162         cat conftest.log >> config.log
163         log_msg "--------------------------------------------------"
164         log_msg "Failed program was:"
165         log_msg "--------------------------------------------------"
166         cat conftest.c >> config.log
167         log_msg "--------------------------------------------------"
168     fi
169     return $res
170 }
171
172 cpp_check() {
173     log_check "whether $3 is true"
174     rm -f conftest.c
175     [ -n "$1" ] && echo "#include <$1>" > conftest.c
176     echo -e "#if !($3) \n#error $4 \n#endif " >> conftest.c
177     if [ $compiler_style = MS ]; then
178         cpp_cmd="$CC conftest.c $(cc_cflags $CFLAGS $2) -P"
179     else
180         cpp_cmd="$CC conftest.c $CFLAGS $2 -E -o conftest"
181     fi
182     if $cpp_cmd >conftest.log 2>&1; then
183         res=$?
184         log_ok
185     else
186         res=$?
187         log_fail
188         log_msg "--------------------------------------------------"
189         cat conftest.log >> config.log
190         log_msg "--------------------------------------------------"
191         log_msg "Failed program was:"
192         log_msg "--------------------------------------------------"
193         cat conftest.c >> config.log
194         log_msg "--------------------------------------------------"
195     fi
196     return $res
197 }
198
199 as_check() {
200     log_check "whether $AS supports $1"
201     echo "$1" > conftest$AS_EXT
202     as_cmd="$AS conftest$AS_EXT $ASFLAGS $2 -o conftest.o"
203     if $as_cmd >conftest.log 2>&1; then
204         res=$?
205         log_ok
206     else
207         res=$?
208         log_fail
209         log_msg "Failed commandline was:"
210         log_msg "--------------------------------------------------"
211         log_msg "$as_cmd"
212         cat conftest.log >> config.log
213         log_msg "--------------------------------------------------"
214         log_msg "Failed program was:"
215         log_msg "--------------------------------------------------"
216         cat conftest$AS_EXT >> config.log
217         log_msg "--------------------------------------------------"
218     fi
219     return $res
220 }
221
222 rc_check() {
223     log_check "whether $RC works"
224     echo "$1" > conftest.rc
225     if [ $compiler = GNU ]; then
226         rc_cmd="$RC $RCFLAGS -o conftest.o conftest.rc"
227     else
228         rc_cmd="$RC $RCFLAGS -foconftest.o conftest.rc"
229     fi
230     if $rc_cmd >conftest.log 2>&1; then
231         res=$?
232         log_ok
233     else
234         res=$?
235         log_fail
236         log_msg "Failed commandline was:"
237         log_msg "--------------------------------------------------"
238         log_msg "$rc_cmd"
239         cat conftest.log >> config.log
240         log_msg "--------------------------------------------------"
241         log_msg "Failed program was:"
242         log_msg "--------------------------------------------------"
243         cat conftest.rc >> config.log
244         log_msg "--------------------------------------------------"
245     fi
246     return $res
247 }
248
249 define() {
250     echo "#define $1$([ -n "$2" ] && echo " $2" || echo " 1")" >> config.h
251 }
252
253 die() {
254     log_msg "DIED: $@"
255     echo "$@"
256     exit 1
257 }
258
259 rm -f x264_config.h config.h config.mak config.log x264.pc x264.def conftest*
260
261 SRCPATH="$(cd $(dirname $0); pwd)"
262 [ "$SRCPATH" = "$(pwd)" ] && SRCPATH=.
263 [ -n "$(echo $SRCPATH | grep ' ')" ] && die "Out of tree builds are impossible with whitespace in source path."
264 [ -e "$SRCPATH/config.h" -o -e "$SRCPATH/x264_config.h" ] && die "Out of tree builds are impossible with config.h/x264_config.h in source dir."
265
266 prefix='/usr/local'
267 exec_prefix='${prefix}'
268 bindir='${exec_prefix}/bin'
269 libdir='${exec_prefix}/lib'
270 includedir='${prefix}/include'
271 DEVNULL='/dev/null'
272
273 cli="yes"
274 cli_libx264="internal"
275 shared="no"
276 static="no"
277 avs="auto"
278 lavf="auto"
279 ffms="auto"
280 gpac="auto"
281 lsmash="auto"
282 mp4="no"
283 gpl="yes"
284 thread="auto"
285 swscale="auto"
286 asm="auto"
287 interlaced="yes"
288 debug="no"
289 gprof="no"
290 strip="no"
291 pic="no"
292 bit_depth="8"
293 chroma_format="all"
294 compiler="GNU"
295 compiler_style="GNU"
296 opencl="yes"
297
298 CFLAGS="$CFLAGS -Wall -I. -I\$(SRCPATH)"
299 LDFLAGS="$LDFLAGS"
300 LDFLAGSCLI="$LDFLAGSCLI"
301 ASFLAGS="$ASFLAGS -I. -I\$(SRCPATH)"
302 RCFLAGS="$RCFLAGS"
303 CHECK_CFLAGS=""
304 HAVE_GETOPT_LONG=1
305 cross_prefix=""
306
307 EXE=""
308 AS_EXT=".S"
309 NL="
310 "
311
312 # list of all preprocessor HAVE values we can define
313 CONFIG_HAVE="MALLOC_H ALTIVEC ALTIVEC_H MMX ARMV6 ARMV6T2 NEON BEOSTHREAD POSIXTHREAD WIN32THREAD THREAD LOG2F SWSCALE \
314              LAVF FFMS GPAC AVS GPL VECTOREXT INTERLACED CPU_COUNT OPENCL THP LSMASH X86_INLINE_ASM AS_FUNC"
315
316 # parse options
317
318 for opt do
319     optarg="${opt#*=}"
320     case "$opt" in
321         --prefix=*)
322             prefix="$optarg"
323             ;;
324         --exec-prefix=*)
325             exec_prefix="$optarg"
326             ;;
327         --bindir=*)
328             bindir="$optarg"
329             ;;
330         --libdir=*)
331             libdir="$optarg"
332             ;;
333         --includedir=*)
334             includedir="$optarg"
335             ;;
336         --disable-cli)
337             cli="no"
338             ;;
339         --system-libx264)
340             cli_libx264="system"
341             ;;
342         --enable-shared)
343             shared="yes"
344             ;;
345         --enable-static)
346             static="yes"
347             ;;
348         --disable-asm)
349             asm="no"
350             ;;
351         --disable-interlaced)
352             interlaced="no"
353             ;;
354         --disable-avs)
355             avs="no"
356             ;;
357         --disable-lavf)
358             lavf="no"
359             ;;
360         --disable-ffms)
361             ffms="no"
362             ;;
363         --disable-gpac)
364             gpac="no"
365             ;;
366         --disable-lsmash)
367             lsmash="no"
368             ;;
369         --disable-gpl)
370             gpl="no"
371             ;;
372         --extra-asflags=*)
373             ASFLAGS="$ASFLAGS $optarg"
374             ;;
375         --extra-cflags=*)
376             CFLAGS="$CFLAGS $optarg"
377             ;;
378         --extra-ldflags=*)
379             LDFLAGS="$LDFLAGS $optarg"
380             ;;
381         --extra-rcflags=*)
382             RCFLAGS="$RCFLAGS $optarg"
383             ;;
384         --disable-thread)
385             thread="no"
386             ;;
387         --enable-win32thread)
388             thread="win32"
389             ;;
390         --disable-swscale)
391             swscale="no"
392             ;;
393         --enable-debug)
394             debug="yes"
395             ;;
396         --enable-gprof)
397             CFLAGS="$CFLAGS -pg"
398             LDFLAGS="$LDFLAGS -pg"
399             gprof="yes"
400             ;;
401         --enable-strip)
402             strip="yes"
403             ;;
404         --enable-pic)
405             pic="yes"
406             ;;
407         --host=*)
408             host="$optarg"
409             ;;
410         --disable-opencl)
411             opencl="no"
412             ;;
413         --cross-prefix=*)
414             cross_prefix="$optarg"
415             ;;
416         --sysroot=*)
417             CFLAGS="$CFLAGS --sysroot=$optarg"
418             LDFLAGS="$LDFLAGS --sysroot=$optarg"
419             ;;
420         --bit-depth=*)
421             bit_depth="$optarg"
422             if [ "$bit_depth" -lt "8" -o "$bit_depth" -gt "10" ]; then
423                 echo "Supplied bit depth must be in range [8,10]."
424                 exit 1
425             fi
426             bit_depth=`expr $bit_depth + 0`
427             ;;
428         --chroma-format=*)
429             chroma_format="$optarg"
430             if [ $chroma_format != "420" -a $chroma_format != "422" -a $chroma_format != "444" -a $chroma_format != "all" ]; then
431                 echo "Supplied chroma format must be 420, 422, 444 or all."
432                 exit 1
433             fi
434             ;;
435         *)
436             echo "Unknown option $opt, ignored"
437             ;;
438     esac
439 done
440
441 [ "$cli" = "no" -a "$shared" = "no" -a "$static" = "no" ] && die "Nothing to build. Enable cli, shared or static."
442
443 CC="${CC-${cross_prefix}gcc}"
444 AR="${AR-${cross_prefix}ar}"
445 RANLIB="${RANLIB-${cross_prefix}ranlib}"
446 STRIP="${STRIP-${cross_prefix}strip}"
447 INSTALL="${INSTALL-install}"
448
449 if [ "x$host" = x ]; then
450     host=`${SRCPATH}/config.guess`
451 fi
452 # normalize a triplet into a quadruplet
453 host=`${SRCPATH}/config.sub $host`
454
455 # split $host
456 host_cpu="${host%%-*}"
457 host="${host#*-}"
458 host_vendor="${host%%-*}"
459 host_os="${host#*-}"
460
461 # test for use of compilers that require specific handling
462 cc_base=`basename "$CC"`
463 QPRE="-"
464 if [[ $host_os = mingw* || $host_os = cygwin* ]]; then
465     if [[ "$cc_base" = icl || "$cc_base" = icl[\ .]* ]]; then
466         # Windows Intel Compiler creates dependency generation with absolute Windows paths, Cygwin's make does not support Windows paths.
467         [[ $host_os = cygwin* ]] && die "Windows Intel Compiler support requires MSYS"
468         compiler=ICL
469         compiler_style=MS
470         CFLAGS="$CFLAGS -Qstd=c99 -nologo -Qms0 -DHAVE_STRING_H -I\$(SRCPATH)/extras"
471         QPRE="-Q"
472         `$CC 2>&1 | grep -q IA-32` && host_cpu=i486
473         `$CC 2>&1 | grep -q "Intel(R) 64"` && host_cpu=x86_64
474         cpp_check "" "" "_MSC_VER >= 1400" || die "Windows Intel Compiler support requires Visual Studio 2005 or newer"
475         if cc_check '' -Qdiag-error:10006,10157 ; then
476             CHECK_CFLAGS="$CHECK_CFLAGS -Qdiag-error:10006,10157"
477         fi
478     elif [[ "$cc_base" = cl || "$cc_base" = cl[\ .]* ]]; then
479         # Standard Microsoft Visual Studio
480         # Dependency creation includes absolute windows paths, Cygwin's make does not support Windows paths.
481         [[ $host_os = cygwin* ]] && die "Microsoft Visual Studio support requires MSYS"
482         compiler=CL
483         compiler_style=MS
484         CFLAGS="$CFLAGS -nologo -DHAVE_STRING_H -I\$(SRCPATH)/extras"
485         `$CC 2>&1 | grep -q 'for x86'` && host_cpu=i486
486         `$CC 2>&1 | grep -q 'for x64'` && host_cpu=x86_64
487         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"
488     fi
489 else
490     if [[ "$cc_base" = icc || "$cc_base" = icc[\ .]* ]]; then
491         AR="xiar"
492         compiler=ICC
493     fi
494 fi
495
496 if [[ "$cc_base" = clang || "$cc_base" = clang[\ .]* ]]; then
497     if cc_check '' -Werror=unknown-warning-option ; then
498         CHECK_CFLAGS="$CHECK_CFLAGS -Werror=unknown-warning-option"
499     fi
500 fi
501
502 libm=""
503 case $host_os in
504     beos*)
505         SYS="BEOS"
506         define HAVE_MALLOC_H
507         ;;
508     darwin*)
509         SYS="MACOSX"
510         libm="-lm"
511         if [ "$pic" = "no" ]; then
512             cc_check "" -mdynamic-no-pic && CFLAGS="$CFLAGS -mdynamic-no-pic"
513         fi
514         ;;
515     freebsd*)
516         SYS="FREEBSD"
517         libm="-lm"
518         ;;
519     kfreebsd*-gnu)
520         SYS="FREEBSD"
521         define HAVE_MALLOC_H
522         libm="-lm"
523         ;;
524     netbsd*)
525         SYS="NETBSD"
526         libm="-lm"
527         ;;
528     openbsd*)
529         SYS="OPENBSD"
530         libm="-lm"
531         ;;
532     *linux*)
533         SYS="LINUX"
534         define HAVE_MALLOC_H
535         libm="-lm"
536         ;;
537     gnu*)
538         SYS="HURD"
539         define HAVE_MALLOC_H
540         libm="-lm"
541         ;;
542     cygwin*)
543         EXE=".exe"
544         if cc_check "" -mno-cygwin; then
545             CFLAGS="$CFLAGS -mno-cygwin"
546             LDFLAGS="$LDFLAGS -mno-cygwin"
547         fi
548         if cpp_check "" "" "defined(__CYGWIN__)" ; then
549             define HAVE_MALLOC_H
550             SYS="CYGWIN"
551         else
552             SYS="WINDOWS"
553             DEVNULL="NUL"
554             LDFLAGSCLI="$LDFLAGSCLI -lshell32"
555             RC="${RC-${cross_prefix}windres}"
556         fi
557         ;;
558     mingw*)
559         SYS="WINDOWS"
560         EXE=".exe"
561         DEVNULL="NUL"
562         LDFLAGSCLI="$LDFLAGSCLI -lshell32"
563         [ $compiler = GNU ] && RC="${RC-${cross_prefix}windres}" || RC="${RC-rc}"
564         ;;
565     sunos*|solaris*)
566         SYS="SunOS"
567         define HAVE_MALLOC_H
568         libm="-lm"
569         if cc_check "" /usr/lib/64/values-xpg6.o; then
570             LDFLAGS="$LDFLAGS /usr/lib/64/values-xpg6.o"
571         else
572             LDFLAGS="$LDFLAGS /usr/lib/values-xpg6.o"
573         fi
574         if test -x /usr/ucb/install ; then
575             INSTALL=/usr/ucb/install
576         elif test -x /usr/bin/ginstall ; then
577             # OpenSolaris
578             INSTALL=/usr/bin/ginstall
579         elif test -x /usr/gnu/bin/install ; then
580             # OpenSolaris
581             INSTALL=/usr/gnu/bin/install
582         fi
583         HAVE_GETOPT_LONG=0
584         ;;
585     *qnx*)
586         SYS="QNX"
587         define HAVE_MALLOC_H
588         libm="-lm"
589         HAVE_GETOPT_LONG=0
590         CFLAGS="$CFLAGS -I\$(SRCPATH)/extras"
591         ;;
592     *)
593         die "Unknown system $host, edit the configure"
594         ;;
595 esac
596
597 LDFLAGS="$LDFLAGS $libm"
598
599 stack_alignment=16
600 case $host_cpu in
601     i*86)
602         ARCH="X86"
603         AS="yasm"
604         AS_EXT=".asm"
605         ASFLAGS="$ASFLAGS -O2 -DARCH_X86_64=0 -I\$(SRCPATH)/common/x86/"
606         if [ $compiler = GNU ]; then
607             if [[ "$asm" == auto && "$CFLAGS" != *-march* ]]; then
608                 CFLAGS="$CFLAGS -march=i686"
609             fi
610             if [[ "$asm" == auto && "$CFLAGS" != *-mfpmath* ]]; then
611                 CFLAGS="$CFLAGS -mfpmath=sse -msse"
612             fi
613             CFLAGS="-m32 $CFLAGS"
614             LDFLAGS="-m32 $LDFLAGS"
615         elif [ $compiler = ICC ]; then
616             # icc on linux has various degrees of mod16 stack support
617             if [ $SYS = LINUX ]; then
618                 # < 11 is completely incapable of keeping a mod16 stack
619                 if cpp_check "" "" "__INTEL_COMPILER < 1100" ; then
620                     stack_alignment=4
621                 # 11 <= x < 12 is capable of keeping a mod16 stack, but defaults to not doing so.
622                 elif cpp_check "" "" "__INTEL_COMPILER < 1200" ; then
623                     CFLAGS="$CFLAGS -falign-stack=assume-16-byte"
624                 fi
625                 # >= 12 defaults to a mod16 stack
626             fi
627         else # ICL/CL
628             # always a mod4 stack
629             stack_alignment=4
630         fi
631         if [ "$SYS" = MACOSX ]; then
632             ASFLAGS="$ASFLAGS -f macho -DPREFIX"
633         elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
634             ASFLAGS="$ASFLAGS -f win32 -DPREFIX"
635             LDFLAGS="$LDFLAGS -Wl,--large-address-aware"
636             [ $compiler = GNU ] && LDFLAGS="$LDFLAGS -Wl,--nxcompat -Wl,--dynamicbase"
637             [ $compiler = GNU ] && RCFLAGS="--target=pe-i386 $RCFLAGS"
638         else
639             ASFLAGS="$ASFLAGS -f elf"
640         fi
641         ;;
642     x86_64)
643         ARCH="X86_64"
644         AS="yasm"
645         AS_EXT=".asm"
646         ASFLAGS="$ASFLAGS -DARCH_X86_64=1 -I\$(SRCPATH)/common/x86/"
647         [ $compiler = GNU ] && CFLAGS="-m64 $CFLAGS" && LDFLAGS="-m64 $LDFLAGS"
648         if [ "$SYS" = MACOSX ]; then
649             ASFLAGS="$ASFLAGS -f macho64 -m amd64 -DPIC -DPREFIX"
650             if cc_check '' "-arch x86_64"; then
651                 CFLAGS="$CFLAGS -arch x86_64"
652                 LDFLAGS="$LDFLAGS -arch x86_64"
653             fi
654         elif [ "$SYS" = WINDOWS -o "$SYS" = CYGWIN ]; then
655             ASFLAGS="$ASFLAGS -f win32 -m amd64"
656             # only the GNU toolchain is inconsistent in prefixing function names with _
657             [ $compiler = GNU ] && cc_check "" "-S" && grep -q "_main:" conftest && ASFLAGS="$ASFLAGS -DPREFIX"
658             [ $compiler = GNU ] && LDFLAGS="$LDFLAGS -Wl,--nxcompat -Wl,--dynamicbase"
659             [ $compiler = GNU ] && RCFLAGS="--target=pe-x86-64 $RCFLAGS"
660         else
661             ASFLAGS="$ASFLAGS -f elf -m amd64"
662         fi
663         ;;
664     powerpc|powerpc64)
665         ARCH="PPC"
666         if [ $asm = auto ] ; then
667             define HAVE_ALTIVEC
668             AS="${AS-${CC}}"
669             AS_EXT=".c"
670             if [ $SYS = MACOSX ] ; then
671                 CFLAGS="$CFLAGS -faltivec -fastf -mcpu=G4"
672             else
673                 CFLAGS="$CFLAGS -maltivec -mabi=altivec"
674                 define HAVE_ALTIVEC_H
675             fi
676         fi
677         ;;
678     sparc)
679         ARCH="SPARC"
680         ;;
681     mips|mipsel|mips64|mips64el)
682         ARCH="MIPS"
683         ;;
684     arm*)
685         ARCH="ARM"
686         if [ "$SYS" = MACOSX ] ; then
687             AS="${AS-extras/gas-preprocessor.pl $CC}"
688             ASFLAGS="$ASFLAGS -DPREFIX -DPIC"  # apple's ld doesn't support movw/movt relocations at all
689             # build for armv7 by default
690             if ! echo $CFLAGS | grep -Eq '\-arch' ; then
691                 CFLAGS="$CFLAGS -arch armv7"
692                 LDFLAGS="$LDFLAGS -arch armv7"
693             fi
694         else
695             AS="${AS-${CC}}"
696         fi
697         ;;
698     aarch64)
699         ARCH="AARCH64"
700         if [ "$SYS" = MACOSX ] ; then
701             AS="${AS-extras/gas-preprocessor.pl $CC}"
702             ASFLAGS="$ASFLAGS -DPREFIX"
703         else
704             AS="${AS-${CC}}"
705         fi
706         ;;
707     s390|s390x)
708         ARCH="S390"
709         ;;
710     hppa*|parisc*)
711         ARCH="PARISC"
712         ;;
713     ia64)
714         ARCH="IA64"
715         ;;
716     alpha*)
717         ARCH="ALPHA"
718         ;;
719     *)
720         ARCH="$(echo $host_cpu | tr a-z A-Z)"
721         ;;
722 esac
723
724 if [ $SYS = WINDOWS ]; then
725     if ! rc_check "0 RCDATA {0}" ; then
726         RC=""
727     fi
728 fi
729
730 log_msg "x264 configure script"
731 if [ -n "$*" ]; then
732     msg="Command line options:"
733     for i in $@; do
734         msg="$msg \"$i\""
735     done
736     log_msg "$msg"
737 fi
738 log_msg ""
739
740 # check requirements
741
742 cc_check || die "No working C compiler found."
743
744 if [ $compiler_style = GNU ]; then
745     if cc_check '' -std=gnu99 'for( int i = 0; i < 9; i++ );' ; then
746         CFLAGS="$CFLAGS -std=gnu99"
747     elif cc_check '' -std=c99 'for( int i = 0; i < 9; i++ );' ; then
748         CFLAGS="$CFLAGS -std=c99 -D_POSIX_C_SOURCE=200112L -D_BSD_SOURCE"
749     elif ! cc_check '' '' 'for( int i = 0; i < 9; i++ );' ; then
750         die "C99 compiler is needed for compilation."
751     fi
752 fi
753
754 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
755     pic="yes"
756 fi
757
758 if [ $asm = auto -a \( $ARCH = X86 -o $ARCH = X86_64 \) ] ; then
759     if ! as_check "vpmovzxwd ymm0, xmm0" ; then
760         VER=`($AS --version || echo no assembler) 2>/dev/null | head -n 1`
761         echo "Found $VER"
762         echo "Minimum version is yasm-1.2.0"
763         echo "If you really want to compile without asm, configure with --disable-asm."
764         exit 1
765     fi
766     cc_check '' '' '__asm__("pabsw %xmm0, %xmm0");' && define HAVE_X86_INLINE_ASM
767     ASFLAGS="$ASFLAGS -Worphan-labels"
768     define HAVE_MMX
769     if [ $compiler = GNU ] && cc_check '' -mpreferred-stack-boundary=5 ; then
770         CFLAGS="$CFLAGS -mpreferred-stack-boundary=5"
771         stack_alignment=32
772     fi
773 fi
774
775 if [ $asm = auto -a $ARCH = ARM ] ; then
776     # set flags so neon is built by default
777     echo $CFLAGS | grep -Eq '(-mcpu|-march|-mfpu)' || CFLAGS="$CFLAGS -mcpu=cortex-a8 -mfpu=neon"
778
779     if  cc_check '' '' '__asm__("rev ip, ip");' ; then      define HAVE_ARMV6
780         cc_check '' '' '__asm__("movt r0, #0");'         && define HAVE_ARMV6T2
781         cc_check '' '' '__asm__("vadd.i16 q0, q0, q0");' && define HAVE_NEON
782         ASFLAGS="$ASFLAGS -c"
783     else
784         echo "You specified a pre-ARMv6 or Thumb-1 CPU in your CFLAGS."
785         echo "If you really want to run on such a CPU, configure with --disable-asm."
786         exit 1
787     fi
788 fi
789
790 if [ $asm = auto -a $ARCH = AARCH64 ] ; then
791     # set flags so neon is built by default
792     echo $CFLAGS | grep -Eq '(-mcpu|-march|-mfpu|-arch)' || CFLAGS="$CFLAGS -arch arm64 -mfpu=neon"
793
794     if  cc_check '' '' '__asm__("cmeq v0.8h, v0.8h, #0");' ; then define HAVE_NEON
795         ASFLAGS="$ASFLAGS -c"
796     else
797         echo "no NEON support, try adding -mfpu=neon to CFLAGS"
798         echo "If you really want to run on such a CPU, configure with --disable-asm."
799         exit 1
800     fi
801 fi
802
803 if [ $asm = auto -a \( $ARCH = ARM -o $ARCH = AARCH64 \) ] ; then
804     # check if the assembler supports '.func' (clang 3.5 does not)
805     as_check ".func test${NL}.endfunc" && define HAVE_AS_FUNC 1
806 fi
807
808 [ $asm = no ] && AS=""
809 [ "x$AS" = x ] && asm="no" || asm="yes"
810
811 define ARCH_$ARCH
812 define SYS_$SYS
813
814 define STACK_ALIGNMENT $stack_alignment
815 ASFLAGS="$ASFLAGS -DSTACK_ALIGNMENT=$stack_alignment"
816
817 # 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
818 if [ $compiler = GNU ]; then
819     echo "int i[2] = {0x42494745,0}; double f[2] = {0x1.0656e6469616ep+102,0};" > conftest.c
820     $CC $CFLAGS conftest.c -c -o conftest.o 2>/dev/null || die "endian test failed"
821     if (${cross_prefix}strings -a conftest.o | grep -q BIGE) && (${cross_prefix}strings -a conftest.o | grep -q FPendian) ; then
822         define WORDS_BIGENDIAN
823     elif !(${cross_prefix}strings -a conftest.o | grep -q EGIB && ${cross_prefix}strings -a conftest.o | grep -q naidnePF) ; then
824         die "endian test failed"
825     fi
826 fi
827
828 # autodetect options that weren't forced nor disabled
829
830 # pthread-win32 is lgpl, prevent its use if --disable-gpl is specified and targeting windows
831 [ "$SYS" = "WINDOWS" -a "$gpl" = "no" -a "$thread" = "auto" ] && thread="win32"
832
833 libpthread=""
834 if [ "$thread" = "auto" ]; then
835     thread="no"
836     case $SYS in
837         BEOS)
838             thread="beos"
839             define HAVE_BEOSTHREAD
840             ;;
841         WINDOWS)
842             if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
843                 thread="posix"
844                 libpthread="-lpthread"
845             elif cc_check pthread.h -lpthreadGC2 "pthread_create(0,0,0,0);" ; then
846                 thread="posix"
847                 libpthread="-lpthreadGC2"
848             elif cc_check pthread.h "-lpthreadGC2 -lwsock32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
849                 thread="posix"
850                 libpthread="-lpthreadGC2 -lwsock32"
851                 define PTW32_STATIC_LIB
852             elif cc_check pthread.h "-lpthreadGC2 -lws2_32 -DPTW32_STATIC_LIB" "pthread_create(0,0,0,0);" ; then
853                 thread="posix"
854                 libpthread="-lpthreadGC2 -lws2_32"
855                 define PTW32_STATIC_LIB
856             else
857                 # default to native threading if pthread-win32 is unavailable
858                 thread="win32"
859             fi
860             ;;
861         QNX)
862             cc_check pthread.h -lc "pthread_create(0,0,0,0);" && thread="posix" && libpthread="-lc"
863             ;;
864         *)
865             if cc_check pthread.h -lpthread "pthread_create(0,0,0,0);" ; then
866                thread="posix"
867                libpthread="-lpthread"
868             else
869                 cc_check pthread.h "" "pthread_create(0,0,0,0);" && thread="posix" && libpthread=""
870             fi
871             ;;
872     esac
873 fi
874 if [ "$thread" = "posix" ]; then
875     LDFLAGS="$LDFLAGS $libpthread"
876     define HAVE_POSIXTHREAD
877     if [ "$SYS" = "LINUX" ] && cc_check sched.h "-D_GNU_SOURCE -Werror" "cpu_set_t p_aff; return CPU_COUNT(&p_aff);" ; then
878         define HAVE_CPU_COUNT
879     fi
880 fi
881 if [ "$thread" = "win32" ]; then
882     # cygwin does not support win32 threads
883     if [ "$SYS" = "WINDOWS" ]; then
884         define HAVE_WIN32THREAD
885     else
886         thread="no"
887     fi
888 fi
889 [ "$thread" != "no" ] && define HAVE_THREAD
890
891 if cc_check "math.h" "-Werror" "return log2f(2);" ; then
892     define HAVE_LOG2F
893 fi
894
895 if [ "$SYS" = "LINUX" -a \( "$ARCH" = "X86" -o "$ARCH" = "X86_64" \) ] && cc_check "sys/mman.h" "" "MADV_HUGEPAGE;" ; then
896     define HAVE_THP
897 fi
898
899 if [ "$swscale" = "auto" ] ; then
900     swscale="no"
901     if ${cross_prefix}pkg-config --exists libswscale 2>/dev/null; then
902         SWSCALE_LIBS="$SWSCALE_LIBS $(${cross_prefix}pkg-config --libs libswscale libavutil)"
903         SWSCALE_CFLAGS="$SWSCALE_CFLAGS $(${cross_prefix}pkg-config --cflags libswscale libavutil)"
904     fi
905     [ -z "$SWSCALE_LIBS" ] && SWSCALE_LIBS="-lswscale -lavutil"
906
907     if cc_check "libswscale/swscale.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "sws_init_context(0,0,0);" ; then
908         if cpp_check "libavutil/pixdesc.h" "$SWSCALE_CFLAGS $SWSCALE_LIBS" "defined(AV_PIX_FMT_FLAG_RGB)" ; then
909             swscale="yes"
910         else
911             echo "Warning: AV_PIX_FMT_FLAG_RGB is missing from libavutil, update for swscale support"
912         fi
913     fi
914 fi
915
916 if [ "$lavf" = "auto" ] ; then
917     lavf="no"
918     if ${cross_prefix}pkg-config --exists libavformat libavcodec libswscale 2>/dev/null; then
919         LAVF_LIBS="$LAVF_LIBS $(${cross_prefix}pkg-config --libs libavformat libavcodec libavutil libswscale)"
920         LAVF_CFLAGS="$LAVF_CFLAGS $(${cross_prefix}pkg-config --cflags libavformat libavcodec libavutil libswscale)"
921     fi
922     if [ -z "$LAVF_LIBS" -a -z "$LAVF_CFLAGS" ]; then
923         LAVF_LIBS="-lavformat"
924         for lib in -lpostproc -lavcodec -lswscale -lavutil -lm -lz -lbz2 $libpthread -lavifil32 -lws2_32; do
925             cc_check "" $lib && LAVF_LIBS="$LAVF_LIBS $lib"
926         done
927     fi
928     LAVF_LIBS="-L. $LAVF_LIBS"
929     if cc_check libavformat/avformat.h "$LAVF_CFLAGS $LAVF_LIBS" "avformat_close_input(0);" ; then
930         if [ "$swscale" = "yes" ]; then
931             lavf="yes"
932         else
933             echo "Warning: libavformat is not supported without swscale support"
934         fi
935     fi
936 fi
937
938 if [ "$ffms" = "auto" ] ; then
939     ffms_major="2"; ffms_minor="16"; ffms_micro="2"; ffms_bump="0"
940     ffms="no"
941
942     if ${cross_prefix}pkg-config --exists ffms2 2>/dev/null; then
943         FFMS2_LIBS="$FFMS2_LIBS $(${cross_prefix}pkg-config --libs ffms2)"
944         FFMS2_CFLAGS="$FFMS2_CFLAGS $(${cross_prefix}pkg-config --cflags ffms2)"
945     fi
946     [ -z "$FFMS2_LIBS" ] && FFMS2_LIBS="-lffms2"
947
948     if cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS" "FFMS_DestroyVideoSource(0);" ; then
949         ffms="yes"
950     elif cc_check ffms.h "$FFMS2_CFLAGS $FFMS2_LIBS -lstdc++ $LAVF_LIBS" "FFMS_DestroyVideoSource(0);" ; then
951         ffms="yes"
952         FFMS2_LIBS="$FFMS2_LIBS -lstdc++ $LAVF_LIBS"
953     fi
954
955     error="ffms must be at least version $ffms_major.$ffms_minor.$ffms_micro.$ffms_bump"
956     if [ $ffms = "yes" ] && ! cpp_check "ffms.h" "$FFMS2_CFLAGS" "FFMS_VERSION >= (($ffms_major << 24) | ($ffms_minor << 16) | ($ffms_micro << 8) | $ffms_bump)" "$error"; then
957        ffms="no"
958        echo "Warning: $error"
959     fi
960     if [ "$ffms" = "yes" -a "$swscale" = "no" ]; then
961         echo "Warning: ffms is not supported without swscale support"
962         ffms="no"
963     fi
964 fi
965
966 if [ "$swscale" = "yes" ]; then
967     LDFLAGSCLI="$SWSCALE_LIBS $LDFLAGSCLI"
968     CFLAGS="$CFLAGS $SWSCALE_CFLAGS"
969     define HAVE_SWSCALE
970     if [ "$lavf" = "yes" ]; then
971         LDFLAGSCLI="$LAVF_LIBS $LDFLAGSCLI"
972         CFLAGS="$CFLAGS $LAVF_CFLAGS"
973         define HAVE_LAVF
974     fi
975     if [ "$ffms" = "yes" ]; then
976         LDFLAGSCLI="$FFMS2_LIBS $LDFLAGSCLI"
977         CFLAGS="$CFLAGS $FFMS2_CFLAGS"
978         define HAVE_FFMS
979     fi
980 fi
981
982 if [ "$lsmash" = "auto" ] ; then
983     lsmash="no"
984     if ${cross_prefix}pkg-config --exists liblsmash 2>/dev/null; then
985         LSMASH_LIBS="$LSMASH_LIBS $(${cross_prefix}pkg-config --libs liblsmash)"
986         LSMASH_CFLAGS="$LSMASH_CFLAGS $(${cross_prefix}pkg-config --cflags liblsmash)"
987     fi
988     [ -z "$LSMASH_LIBS" ] && LSMASH_LIBS="-llsmash"
989
990     if cc_check lsmash.h "$LSMASH_CFLAGS $LSMASH_LIBS" ; then
991         if cpp_check lsmash.h "$LSMASH_CFLAGS" "LSMASH_VERSION_MAJOR > 1 || (LSMASH_VERSION_MAJOR == 1 && LSMASH_VERSION_MINOR >= 5)" ; then
992             lsmash="yes"
993         else
994             echo "Warning: lsmash is too old, update to rev.895 or later"
995         fi
996     fi
997 fi
998
999 if [ "$gpac" = "auto" -a "$lsmash" != "yes" ] ; then
1000     gpac="no"
1001     GPAC_LIBS="-lgpac_static"
1002     cc_check "" -lz && GPAC_LIBS="$GPAC_LIBS -lz"
1003     if [ "$SYS" = "WINDOWS" ] ; then
1004         cc_check "" -lws2_32 && GPAC_LIBS="$GPAC_LIBS -lws2_32"
1005         cc_check "" -lwinmm && GPAC_LIBS="$GPAC_LIBS -lwinmm"
1006     fi
1007     if cc_check gpac/isomedia.h "$GPAC_LIBS" ; then
1008         if cc_check gpac/isomedia.h "$GPAC_LIBS" "gf_isom_set_pixel_aspect_ratio(0,0,0,0,0);" ; then
1009             gpac="yes"
1010         else
1011             echo "Warning: gpac is too old, update to 2007-06-21 UTC or later"
1012         fi
1013     fi
1014 fi
1015
1016 if [ "$lsmash" = "yes" ] ; then
1017     mp4="lsmash"
1018     LDFLAGSCLI="$LSMASH_LIBS $LDFLAGSCLI"
1019     CFLAGS="$CFLAGS $LSMASH_CFLAGS"
1020     define HAVE_LSMASH
1021 elif [ "$gpac" = "yes" ] ; then
1022     mp4="gpac"
1023     define HAVE_GPAC
1024     LDFLAGSCLI="$GPAC_LIBS $LDFLAGSCLI"
1025 fi
1026
1027 if [ "$avs" = "auto" ] ; then
1028     avs="no"
1029     # cygwin can use avisynth if it can use LoadLibrary
1030     if [ $SYS = WINDOWS ] || ([ $SYS = CYGWIN ] && cc_check windows.h "" "LoadLibraryW(0);") ; then
1031         avs="avisynth"
1032         define HAVE_AVS
1033         define USE_AVXSYNTH 0
1034     elif [ "$SYS" = "LINUX" -o "$SYS" = "MACOSX" ] ; then
1035     # AvxSynth currently only supports Linux and OSX
1036         avs="avxsynth"
1037         define HAVE_AVS
1038         define USE_AVXSYNTH 1
1039         AVS_LIBS="-ldl"
1040         LDFLAGSCLI="$AVS_LIBS $LDFLAGSCLI"
1041     fi
1042 fi
1043
1044 cc_check "stdint.h" "" "uint32_t test_vec __attribute__ ((vector_size (16))) = {0,1,2,3};" && define HAVE_VECTOREXT
1045
1046 if [ "$pic" = "yes" ] ; then
1047     CFLAGS="$CFLAGS -fPIC"
1048     ASFLAGS="$ASFLAGS -DPIC"
1049     # resolve textrels in the x86 asm
1050     cc_check stdio.h "-shared -Wl,-Bsymbolic" && SOFLAGS="$SOFLAGS -Wl,-Bsymbolic"
1051     [ $SYS = SunOS -a "$ARCH" = "X86" ] && SOFLAGS="$SOFLAGS -mimpure-text"
1052 fi
1053
1054 if [ "$debug" != "yes" -a "$gprof" != "yes" ]; then
1055     CFLAGS="$CFLAGS -fomit-frame-pointer"
1056 fi
1057
1058 if [ "$strip" = "yes" ]; then
1059     LDFLAGS="$LDFLAGS -s"
1060 fi
1061
1062 if [ "$debug" = "yes" ]; then
1063     CFLAGS="-O1 -g $CFLAGS"
1064 else
1065     CFLAGS="-O3 -ffast-math $CFLAGS"
1066 fi
1067
1068 if cc_check '' -fno-tree-vectorize ; then
1069     CFLAGS="$CFLAGS -fno-tree-vectorize"
1070 fi
1071
1072 if [ $SYS = WINDOWS -a $ARCH = X86 -a $compiler = GNU ] ; then
1073     # workaround gcc/ld bug with alignment of static variables/arrays that are initialized to zero
1074     cc_check '' -fno-zero-initialized-in-bss && CFLAGS="$CFLAGS -fno-zero-initialized-in-bss"
1075 fi
1076
1077 if cc_check "stdio.h" "" "fseeko(stdin,0,0);" ; then
1078     define fseek fseeko
1079     define ftell ftello
1080 elif cc_check "stdio.h" "" "fseeko64(stdin,0,0);" ; then
1081     define fseek fseeko64
1082     define ftell ftello64
1083 elif cc_check "stdio.h" "" "_fseeki64(stdin,0,0);" ; then
1084     define fseek _fseeki64
1085     define ftell _ftelli64
1086 fi
1087
1088 if cc_check '' -Wshadow ; then
1089     CFLAGS="-Wshadow $CFLAGS"
1090 fi
1091
1092 if cc_check '' -Wmaybe-uninitialized ; then
1093     CFLAGS="-Wno-maybe-uninitialized $CFLAGS"
1094 fi
1095
1096 if [ "$bit_depth" -gt "8" ]; then
1097     define HIGH_BIT_DEPTH
1098     ASFLAGS="$ASFLAGS -DHIGH_BIT_DEPTH=1"
1099     opencl="no"
1100 else
1101     ASFLAGS="$ASFLAGS -DHIGH_BIT_DEPTH=0"
1102 fi
1103
1104 if [ "$chroma_format" != "all" ]; then
1105     define CHROMA_FORMAT CHROMA_$chroma_format
1106 fi
1107
1108 ASFLAGS="$ASFLAGS -DBIT_DEPTH=$bit_depth"
1109
1110 [ $gpl = yes ] && define HAVE_GPL && x264_gpl=1 || x264_gpl=0
1111
1112 [ $interlaced = yes ] && define HAVE_INTERLACED && x264_interlaced=1 || x264_interlaced=0
1113
1114 libdl=""
1115 if [ "$opencl" = "yes" ]; then
1116     opencl="no"
1117     # cygwin can use opencl if it can use LoadLibrary
1118     if [ $SYS = WINDOWS ] || ([ $SYS = CYGWIN ] && cc_check windows.h "" "LoadLibraryW(0);") ; then
1119         opencl="yes"
1120         define HAVE_OPENCL
1121     elif [ "$SYS" = "LINUX" -o "$SYS" = "MACOSX" ] ; then
1122         opencl="yes"
1123         define HAVE_OPENCL
1124         libdl="-ldl"
1125     fi
1126     LDFLAGS="$LDFLAGS $libdl"
1127 fi
1128
1129 #define undefined vars as 0
1130 for var in $CONFIG_HAVE; do
1131     grep -q "HAVE_$var 1" config.h || define HAVE_$var 0
1132 done
1133
1134 DEPMM="${QPRE}MM"
1135 DEPMT="${QPRE}MT"
1136 if [ $compiler_style = MS ]; then
1137     AR="lib -nologo -out:"
1138     LD="link -out:"
1139     [ $compiler = ICL ] && AR="xi$AR" && LD="xi$LD"
1140     HAVE_GETOPT_LONG=0
1141     LDFLAGS="-nologo -incremental:no $(cl_ldflags $LDFLAGS)"
1142     LDFLAGSCLI="$(cl_ldflags $LDFLAGSCLI)"
1143     LIBX264=libx264.lib
1144     RANLIB=
1145     [ -n "$RC" ] && RCFLAGS="$RCFLAGS -nologo -I. -I\$(SRCPATH)/extras -fo"
1146     STRIP=
1147     if [ $debug = yes ]; then
1148         LDFLAGS="-debug $LDFLAGS"
1149         CFLAGS="-D_DEBUG $CFLAGS"
1150     else
1151         CFLAGS="-DNDEBUG $CFLAGS"
1152     fi
1153 else # gcc/icc
1154     DEPMM="$DEPMM -g0"
1155     AR="$AR rc "
1156     LD="$CC -o "
1157     LIBX264=libx264.a
1158     [ -n "$RC" ] && RCFLAGS="$RCFLAGS -I. -o "
1159 fi
1160 [ $compiler != GNU ] && CFLAGS="$(cc_cflags $CFLAGS)"
1161 if [ $compiler = ICC -o $compiler = ICL ]; then
1162     # icc does not define __SSE__ until SSE2 optimization and icl never defines it or _M_IX86_FP
1163     [ \( $ARCH = X86_64 -o $ARCH = X86 \) -a $asm = yes ] && ! cpp_check "" "" "defined(__SSE__)" && define __SSE__
1164     PROF_GEN_CC="${QPRE}prof-gen ${QPRE}prof-dir."
1165     PROF_GEN_LD=
1166     PROF_USE_CC="${QPRE}prof-use ${QPRE}prof-dir."
1167     PROF_USE_LD=
1168 elif [ $compiler = CL ]; then
1169     # Visual Studio
1170     # _M_IX86_FP is only defined on x86
1171     [ $ARCH = X86 ] && cpp_check '' '' '_M_IX86_FP >= 1' && define __SSE__
1172     [ $ARCH = X86_64 ] && define __SSE__
1173     # As long as the cli application can't link against the dll, the dll can not be pgo'd.
1174     # pgds are link flag specific and the -dll flag for creating the dll makes it unshareable with the cli
1175     PROF_GEN_CC="-GL"
1176     PROF_GEN_LD="-LTCG:PGINSTRUMENT"
1177     PROF_USE_CC="-GL"
1178     PROF_USE_LD="-LTCG:PGOPTIMIZE"
1179 else
1180     PROF_GEN_CC="-fprofile-generate"
1181     PROF_GEN_LD="-fprofile-generate"
1182     PROF_USE_CC="-fprofile-use"
1183     PROF_USE_LD="-fprofile-use"
1184 fi
1185
1186 rm -f conftest*
1187
1188 # generate exported config file
1189
1190 config_chroma_format="X264_CSP_I$chroma_format"
1191 [ "$config_chroma_format" == "X264_CSP_Iall" ] && config_chroma_format="0"
1192 cat > x264_config.h << EOF
1193 #define X264_BIT_DEPTH     $bit_depth
1194 #define X264_GPL           $x264_gpl
1195 #define X264_INTERLACED    $x264_interlaced
1196 #define X264_CHROMA_FORMAT $config_chroma_format
1197 EOF
1198
1199 # generate config files
1200
1201 cat > config.mak << EOF
1202 SRCPATH=$SRCPATH
1203 prefix=$prefix
1204 exec_prefix=$exec_prefix
1205 bindir=$bindir
1206 libdir=$libdir
1207 includedir=$includedir
1208 ARCH=$ARCH
1209 SYS=$SYS
1210 CC=$CC
1211 CFLAGS=$CFLAGS
1212 COMPILER=$compiler
1213 COMPILER_STYLE=$compiler_style
1214 DEPMM=$DEPMM
1215 DEPMT=$DEPMT
1216 LD=$LD
1217 LDFLAGS=$LDFLAGS
1218 LIBX264=$LIBX264
1219 AR=$AR
1220 RANLIB=$RANLIB
1221 STRIP=$STRIP
1222 INSTALL=$INSTALL
1223 AS=$AS
1224 ASFLAGS=$ASFLAGS
1225 RC=$RC
1226 RCFLAGS=$RCFLAGS
1227 EXE=$EXE
1228 HAVE_GETOPT_LONG=$HAVE_GETOPT_LONG
1229 DEVNULL=$DEVNULL
1230 PROF_GEN_CC=$PROF_GEN_CC
1231 PROF_GEN_LD=$PROF_GEN_LD
1232 PROF_USE_CC=$PROF_USE_CC
1233 PROF_USE_LD=$PROF_USE_LD
1234 HAVE_OPENCL=$opencl
1235 EOF
1236
1237 if [ $compiler_style = MS ]; then
1238     echo '%.o: %.c' >> config.mak
1239     echo '      $(CC) $(CFLAGS) -c -Fo$@ $<' >> config.mak
1240 fi
1241
1242 if [ "$cli" = "yes" ]; then
1243     echo 'default: cli' >> config.mak
1244     echo 'install: install-cli' >> config.mak
1245 fi
1246
1247 if [ "$shared" = "yes" ]; then
1248     API=$(grep '#define X264_BUILD' < ${SRCPATH}/x264.h | cut -f 3 -d ' ')
1249     if [ "$SYS" = "WINDOWS" -o "$SYS" = "CYGWIN" ]; then
1250         echo "SONAME=libx264-$API.dll" >> config.mak
1251         if [ $compiler_style = MS ]; then
1252             echo 'IMPLIBNAME=libx264.dll.lib' >> config.mak
1253             # GNU ld on windows defaults to exporting all global functions if there are no explicit __declspec(dllexport) declarations
1254             # 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
1255             echo "SOFLAGS=-dll -def:x264.def -implib:\$(IMPLIBNAME) $SOFLAGS" >> config.mak
1256             echo "EXPORTS" > x264.def
1257             # export API functions
1258             grep "^\(int\|void\|x264_t\).*x264" ${SRCPATH}/x264.h | sed -e "s/.*\(x264.*\)(.*/\1/;s/open/open_$API/g" >> x264.def
1259             # export API variables/data. must be flagged with the DATA keyword
1260             grep "extern.*x264" ${SRCPATH}/x264.h | sed -e "s/.*\(x264\w*\)\W.*/\1 DATA/;" >> x264.def
1261         else
1262             echo 'IMPLIBNAME=libx264.dll.a' >> config.mak
1263             echo "SOFLAGS=-shared -Wl,--out-implib,\$(IMPLIBNAME) -Wl,--enable-auto-image-base $SOFLAGS" >> config.mak
1264         fi
1265     elif [ "$SYS" = "MACOSX" ]; then
1266         echo "SOSUFFIX=dylib" >> config.mak
1267         echo "SONAME=libx264.$API.dylib" >> config.mak
1268         echo "SOFLAGS=-shared -dynamiclib -Wl,-single_module -Wl,-read_only_relocs,suppress -install_name \$(DESTDIR)\$(libdir)/\$(SONAME) $SOFLAGS" >> config.mak
1269     elif [ "$SYS" = "SunOS" ]; then
1270         echo "SOSUFFIX=so" >> config.mak
1271         echo "SONAME=libx264.so.$API" >> config.mak
1272         echo "SOFLAGS=-shared -Wl,-h,\$(SONAME) $SOFLAGS" >> config.mak
1273     else
1274         echo "SOSUFFIX=so" >> config.mak
1275         echo "SONAME=libx264.so.$API" >> config.mak
1276         echo "SOFLAGS=-shared -Wl,-soname,\$(SONAME) $SOFLAGS" >> config.mak
1277     fi
1278     echo 'default: lib-shared' >> config.mak
1279     echo 'install: install-lib-shared' >> config.mak
1280 fi
1281
1282 if [ "$static" = "yes" ]; then
1283     echo 'default: lib-static' >> config.mak
1284     echo 'install: install-lib-static' >> config.mak
1285 fi
1286
1287 if [ "$cli_libx264" = "system" ] ; then
1288     if [ "$shared" = "yes" ]; then
1289         CLI_LIBX264='$(SONAME)'
1290     elif ${cross_prefix}pkg-config --exists x264 2>/dev/null; then
1291         LDFLAGSCLI="$LDFLAGSCLI $(${cross_prefix}pkg-config --libs x264)"
1292         CLI_LIBX264=
1293     else
1294         die "Can not find system libx264"
1295     fi
1296 else
1297     CLI_LIBX264='$(LIBX264)'
1298 fi
1299 echo "LDFLAGSCLI = $LDFLAGSCLI" >> config.mak
1300 echo "CLI_LIBX264 = $CLI_LIBX264" >> config.mak
1301
1302 ${SRCPATH}/version.sh "${SRCPATH}" >> x264_config.h
1303
1304 cat > x264.pc << EOF
1305 prefix=$prefix
1306 exec_prefix=$exec_prefix
1307 libdir=$libdir
1308 includedir=$includedir
1309
1310 Name: x264
1311 Description: H.264 (MPEG4 AVC) encoder library
1312 Version: $(grep POINTVER < x264_config.h | sed -e 's/.* "//; s/".*//')
1313 Libs: -L$libdir -lx264 $([ "$shared" = "yes" ] || echo $libpthread $libm $libdl)
1314 Libs.private: $([ "$shared" = "yes" ] && echo $libpthread $libm $libdl)
1315 Cflags: -I$includedir
1316 EOF
1317
1318 filters="crop select_every"
1319 gpl_filters=""
1320 [ $swscale = yes ] && filters="resize $filters"
1321 [ $gpl = yes ] && filters="$filters $gpl_filters"
1322
1323 cat > conftest.log <<EOF
1324 platform:      $ARCH
1325 system:        $SYS
1326 cli:           $cli
1327 libx264:       $cli_libx264
1328 shared:        $shared
1329 static:        $static
1330 asm:           $asm
1331 interlaced:    $interlaced
1332 avs:           $avs
1333 lavf:          $lavf
1334 ffms:          $ffms
1335 mp4:           $mp4
1336 gpl:           $gpl
1337 thread:        $thread
1338 opencl:        $opencl
1339 filters:       $filters
1340 debug:         $debug
1341 gprof:         $gprof
1342 strip:         $strip
1343 PIC:           $pic
1344 bit depth:     $bit_depth
1345 chroma format: $chroma_format
1346 EOF
1347
1348 echo >> config.log
1349 cat conftest.log >> config.log
1350 cat conftest.log
1351 rm conftest.log
1352
1353 [ "$SRCPATH" != "." ] && ln -sf ${SRCPATH}/Makefile ./Makefile
1354 mkdir -p common/{aarch64,arm,ppc,x86} encoder extras filters/video input output tools
1355
1356 echo
1357 echo "You can run 'make' or 'make fprofiled' now."
1358