lavfi/select: make lavc dependency optional.
[ffmpeg.git] / configure
index cfdf458..c36d1f5 100755 (executable)
--- a/configure
+++ b/configure
@@ -55,7 +55,7 @@ if test "$E1" != 0 || test "$E2" = 0; then
 fi
 
 show_help(){
-cat <<EOF
+    cat <<EOF
 Usage: configure [options]
 Options: [defaults in brackets after descriptions]
 
@@ -232,6 +232,7 @@ Advanced options (experts only):
   --target-os=OS           compiler targets OS [$target_os]
   --target-exec=CMD        command to run executables on target
   --target-path=DIR        path to view of build directory on target
+  --toolchain=NAME         set tool defaults according to NAME
   --nm=NM                  use nm tool NM [$nm_default]
   --ar=AR                  use archive tool AR [$ar_default]
   --as=AS                  use assembler AS [$as_default]
@@ -290,6 +291,7 @@ Optimization options (experts only):
   --disable-mmi            disable MMI optimizations
   --disable-neon           disable NEON optimizations
   --disable-vis            disable VIS optimizations
+  --disable-inline-asm     disable use of inline assembler
   --disable-yasm           disable use of yasm assembler
   --disable-mips32r2       disable MIPS32R2 optimizations
   --disable-mipsdspr1      disable MIPS DSP ASE R1 optimizations
@@ -366,7 +368,7 @@ Rerun configure with logging enabled (do not use --disable-logging), and
 include the log this produces with your report.
 EOF
     else
-cat <<EOF
+        cat <<EOF
 Include the log file "$logfile" produced by configure as this will help
 solving the problem.
 EOF
@@ -747,7 +749,7 @@ check_yasm(){
     echo "$1" > $TMPS
     log_file $TMPS
     shift 1
-    check_cmd $yasmexe $YASMFLAGS "$@" -o $TMPO $TMPS
+    check_cmd $yasmexe $YASMFLAGS -Werror "$@" -o $TMPO $TMPS
 }
 
 ld_o(){
@@ -1054,11 +1056,6 @@ cp_if_changed(){
     cp -f "$1" "$2"
 }
 
-force_include(){
-    flag=$(eval printf '%s%s\\n' '$FORCE_INC' $1)
-    append CFLAGS "$flag"
-}
-
 # CONFIG_LIST contains configurable options, while HAVE_LIST is for
 # system-dependent things.
 
@@ -1114,6 +1111,7 @@ CONFIG_LIST="
     gpl
     gray
     hardcoded_tables
+    incompatible_fork_abi
     libaacplus
     libass
     libbluray
@@ -1248,6 +1246,7 @@ ARCH_EXT_LIST="
 HAVE_LIST_PUB='
     bigendian
     fast_unaligned
+    incompatible_fork_abi
 '
 
 HAVE_LIST="
@@ -1266,7 +1265,6 @@ HAVE_LIST="
     asm_types_h
     attribute_may_alias
     attribute_packed
-    broken_strtod
     cbrtf
     clock_gettime
     closesocket
@@ -1279,6 +1277,7 @@ HAVE_LIST="
     dev_ic_bt8xx_h
     dev_video_bktr_ioctl_bt848_h
     dev_video_meteor_ioctl_meteor_h
+    direct_h
     dlfcn_h
     dlopen
     dos_paths
@@ -1306,6 +1305,7 @@ HAVE_LIST="
     ibm_asm
     inet_aton
     inline_asm
+    io_h
     isatty
     isinf
     isnan
@@ -1334,6 +1334,7 @@ HAVE_LIST="
     mkstemp
     mm_empty
     mmap
+    msvcrt
     nanosleep
     PeekNamedPipe
     perl
@@ -1353,11 +1354,9 @@ HAVE_LIST="
     setrlimit
     Sleep
     sndio_h
-    snprintf
     socklen_t
     soundcard_h
     strerror_r
-    strptime
     struct_addrinfo
     struct_group_source_req
     struct_ip_mreq_source
@@ -1433,6 +1432,7 @@ CMDLINE_SELECT="
     cross_compile
     debug
     extra_warnings
+    inline_asm
     logging
     optimizations
     stripping
@@ -1486,6 +1486,7 @@ CMDLINE_SET="
     target_exec
     target_os
     target_path
+    toolchain
     valgrind
     yasmexe
 "
@@ -1553,6 +1554,8 @@ need_memalign="altivec neon sse"
 
 symver_if_any="symver_asm_label symver_gnu_asm"
 
+log2_deps="!msvcrt"
+
 # subsystems
 dct_select="rdft"
 mdct_select="fft"
@@ -1584,7 +1587,7 @@ dnxhd_encoder_select="aandcttables mpegvideoenc"
 dxa_decoder_select="zlib"
 eac3_decoder_select="ac3_decoder"
 eac3_encoder_select="ac3_encoder"
-eamad_decoder_select="aandcttables error_resilience"
+eamad_decoder_select="aandcttables error_resilience mpegvideo"
 eatgq_decoder_select="aandcttables"
 eatqi_decoder_select="aandcttables error_resilience mpegvideo"
 exr_decoder_select="zlib"
@@ -1693,8 +1696,10 @@ svq3_decoder_suggest="zlib"
 theora_decoder_select="vp3_decoder"
 tiff_decoder_suggest="zlib"
 tiff_encoder_suggest="zlib"
+truehd_decoder_select="mlp_parser"
 tscc_decoder_select="zlib"
 twinvq_decoder_select="mdct lsp sinewin"
+utvideo_encoder_select="huffman"
 vc1_crystalhd_decoder_select="crystalhd"
 vc1_decoder_select="h263_decoder h264chroma h264qpel"
 vc1_dxva2_hwaccel_deps="dxva2api_h"
@@ -1810,6 +1815,7 @@ rtsp_muxer_select="rtp_muxer http_protocol rtp_protocol"
 sap_demuxer_select="sdp_demuxer"
 sap_muxer_select="rtp_muxer rtp_protocol"
 sdp_demuxer_select="rtpdec"
+smoothstreaming_muxer_select="ismv_muxer"
 spdif_muxer_select="aac_parser"
 tg2_muxer_select="mov_muxer"
 tgp_muxer_select="mov_muxer"
@@ -1889,7 +1895,7 @@ blackframe_filter_deps="gpl"
 boxblur_filter_deps="gpl"
 colormatrix_filter_deps="gpl"
 cropdetect_filter_deps="gpl"
-decimate_filter_deps="gpl"
+decimate_filter_deps="gpl avcodec"
 delogo_filter_deps="gpl"
 deshake_filter_deps="avcodec"
 drawtext_filter_deps="libfreetype"
@@ -1900,7 +1906,7 @@ frei0r_src_filter_deps="frei0r dlopen"
 frei0r_src_filter_extralibs='$ldl'
 hqdn3d_filter_deps="gpl"
 movie_filter_deps="avcodec avformat"
-mp_filter_deps="gpl avcodec swscale postproc"
+mp_filter_deps="gpl avcodec swscale postproc inline_asm"
 mptestsrc_filter_deps="gpl"
 negate_filter_deps="lut_filter"
 resample_filter_deps="avresample"
@@ -1909,7 +1915,6 @@ pan_filter_deps="swresample"
 removelogo_filter_deps="avcodec avformat swscale"
 scale_filter_deps="swscale"
 smartblur_filter_deps="gpl swscale"
-select_filter_deps="avcodec"
 showspectrum_filter_deps="avcodec"
 super2xsai_filter_deps="gpl"
 tinterlace_filter_deps="gpl"
@@ -1922,10 +1927,10 @@ postproc_deps="gpl"
 
 # programs
 ffmpeg_deps="avcodec avfilter avformat swscale swresample"
-ffmpeg_select="buffersink_filter format_filter aformat_filter
-               setpts_filter null_filter anull_filter abuffersink_filter"
+ffmpeg_select="ffbuffersink_filter format_filter aformat_filter
+               setpts_filter null_filter anull_filter ffabuffersink_filter"
 ffplay_deps="avcodec avformat swscale swresample sdl"
-ffplay_select="buffersink_filter rdft"
+ffplay_select="ffbuffersink_filter rdft crop_filter"
 ffprobe_deps="avcodec avformat"
 ffserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer"
 ffserver_extralibs='$ldl'
@@ -2012,14 +2017,13 @@ cxx_default="g++"
 host_cc_default="gcc"
 install="install"
 ln_s="ln -sf"
-nm_default="nm"
+nm_default="nm -g"
 objformat="elf"
 pkg_config_default=pkg-config
 ranlib="ranlib"
 strip_default="strip"
 yasmexe_default="yasm"
 
-nm_opts='-g'
 nogas=":"
 
 # machine
@@ -2087,7 +2091,6 @@ CC_O='-o $@'
 CXX_C='-c'
 CXX_O='-o $@'
 LD_O='-o $@'
-FORCE_INC="-include"
 LD_LIB='-l%'
 LD_PATH='-L'
 HOSTCC_C='-c'
@@ -2307,7 +2310,19 @@ strip_default="${cross_prefix}${strip_default}"
 
 sysinclude_default="${sysroot}/usr/include"
 
-set_default cc cxx nm pkg_config strip sysinclude yasmexe
+case "$toolchain" in
+    msvc)
+        cc_default="c99wrap cl"
+        ld_default="c99wrap link"
+        nm_default="dumpbin -symbols"
+        ar_default="lib"
+    ;;
+    ?*)
+        die "Unknown toolchain $toolchain"
+    ;;
+esac
+
+set_default cc cxx pkg_config strip sysinclude yasmexe
 enabled cross_compile || host_cc_default=$cc
 set_default host_cc
 
@@ -2375,6 +2390,26 @@ EOF
     die "Sanity test failed."
 fi
 
+msvc_flags(){
+    for flag; do
+        case $flag in
+            -fomit-frame-pointer) echo -Oy ;;
+            -g)                   echo -Z7 ;;
+            -Wall)                echo -W4 -wd4244 -wd4127 -wd4018 -wd4389 \
+                                       -wd4146 -wd4057 -wd4204 -wd4706 -wd4305 \
+                                       -wd4152 -wd4324 -we4013 -wd4100 -wd4214 \
+                                       -wd4996 -wd4554 ;;
+            -std=c99)             ;;
+            -fno-math-errno)      ;;
+            -fno-common)          ;;
+            -fno-signed-zeros)    ;;
+            -lz)                  echo zlib.lib ;;
+            -l*)                  echo ${flag#-l}.lib ;;
+            *)                    echo $flag ;;
+        esac
+    done
+}
+
 pgi_flags(){
     for flag; do
         case $flag in
@@ -2402,7 +2437,7 @@ suncc_flags(){
                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
                     *-sse3)             echo -xarch=sse3                 ;;
                     core2)              echo -xarch=ssse3 -xchip=core2   ;;
-                    amdfam10|barcelona)       echo -xarch=sse4_1         ;;
+                    amdfam10|barcelona|bdver*) echo -xarch=sse4_1        ;;
                     athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
                     k8|opteron|athlon64|athlon-fx)
                                               echo -xarch=sse2a          ;;
@@ -2561,6 +2596,30 @@ probe_cc(){
         _cflags_size="-O2 -Munroll=c:1 $opt_common"
         _cflags_noopt="-O1"
         _flags_filter=pgi_flags
+    elif $_cc 2>&1 | grep -q Microsoft; then
+        _type=msvc
+        _ident=$($cc 2>&1 | head -n1)
+        _DEPCMD='$(DEP$(1)) $(DEP$(1)FLAGS) $($(1)DEP_FLAGS) $< 2>&1 | awk '\''/including/ { sub(/^.*file: */, ""); gsub(/\\/, "/"); if (!match($$0, / /)) print "$@:", $$0 }'\'' > $(@:.o=.d)'
+        _DEPFLAGS='$(CPPFLAGS) $(CFLAGS) -showIncludes -Zs'
+        _cflags_speed="-O2"
+        _cflags_size="-O1"
+        # Nonstandard output options, to avoid msys path conversion issues, relies on wrapper to remap it
+        if $_cc 2>&1 | grep -q Linker; then
+            _ld_o='-out $@'
+        else
+            _ld_o='-Fe$@'
+        fi
+        _cc_o='-Fo $@'
+        _cc_e='-P -Fi $@'
+        _flags_filter=msvc_flags
+        _ld_lib='lib%.a'
+        _ld_path='-libpath:'
+        _flags='-nologo'
+        _cflags='-D_USE_MATH_DEFINES -Dinline=__inline -FIstdlib.h -Dstrtoll=_strtoi64'
+        if [ $pfx = hostcc ]; then
+            append _cflags -Dsnprintf=_snprintf
+        fi
+        disable stripping
     fi
 
     eval ${pfx}_type=\$_type
@@ -2629,6 +2688,17 @@ if [ -z "$CC_DEPFLAGS" ] && [ "$dep_cc" != "$cc" ]; then
     DEPCCFLAGS=$_flags
 fi
 
+if $ar 2>&1 | grep -q Microsoft; then
+    arflags="-nologo"
+    ar_o='-out:$@'
+elif $ar 2>&1 | grep -q 'Texas Instruments'; then
+    arflags="rq"
+    ar_o='$@'
+else
+    arflags="rc"
+    ar_o='$@'
+fi
+
 add_cflags $extra_cflags
 add_cxxflags $extra_cxxflags
 add_asflags $extra_cflags
@@ -2771,7 +2841,7 @@ elif enabled x86; then
             disable cmov
         ;;
         # targets that do support conditional mov (cmov)
-        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom)
+        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom|bdver*)
             cpuflags="-march=$cpu"
             enable cmov
             enable fast_cmov
@@ -2942,12 +3012,13 @@ case $target_os in
         # guards for processor-specific code, instead suppress
         # generation of the HWCAPS ELF section on Solaris x86 only.
         enabled_all suncc x86 && echo "hwcap_1 = OVERRIDE;" > mapfile && add_ldflags -Wl,-M,mapfile
-        nm_opts='-P -g'
+        nm_default='nm -P -g'
         ;;
     netbsd)
         disable symver
         oss_indev_extralibs="-lossaudio"
         oss_outdev_extralibs="-lossaudio"
+        enabled gcc || check_ldflags -Wl,-zmuldefs
         ;;
     openbsd|bitrig)
         # On OpenBSD 4.5. the compiler does not use PIC unless
@@ -3020,11 +3091,9 @@ case $target_os in
         SLIB_INSTALL_EXTRA_LIB='lib$(SLIBNAME:$(SLIBSUF)=.dll.a) $(SLIBNAME_WITH_MAJOR:$(SLIBSUF)=.def)'
         SHFLAGS='-shared -Wl,--output-def,$$(@:$(SLIBSUF)=.def) -Wl,--out-implib,$(SUBDIR)lib$(SLIBNAME:$(SLIBSUF)=.dll.a) -Wl,--enable-runtime-pseudo-reloc -Wl,--enable-auto-image-base'
         objformat="win32"
+        ranlib=:
         enable dos_paths
         check_cflags -fno-common
-        check_cpp_condition _mingw.h "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) \
-                                      || (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
-                die "ERROR: MinGW runtime version must be >= 3.15."
         add_cppflags -U__STRICT_ANSI__
         ;;
     cygwin*)
@@ -3071,13 +3140,13 @@ case $target_os in
         SLIBNAME_WITH_VERSION='$(SLIBPREF)$(NAME)-$(LIBVERSION)$(SLIBSUF)'
         SLIBNAME_WITH_MAJOR='$(SLIBPREF)$(shell echo $(NAME) | cut -c1-6)$(LIBMAJOR)$(SLIBSUF)'
         SLIB_CREATE_DEF_CMD='echo LIBRARY $(SLIBNAME_WITH_MAJOR) INITINSTANCE TERMINSTANCE > $(SUBDIR)$(NAME).def; \
-          echo PROTMODE >> $(SUBDIR)$(NAME).def; \
-          echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
-          echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
-          echo EXPORTS >> $(SUBDIR)$(NAME).def; \
-          emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
+            echo PROTMODE >> $(SUBDIR)$(NAME).def; \
+            echo CODE PRELOAD MOVEABLE DISCARDABLE >> $(SUBDIR)$(NAME).def; \
+            echo DATA PRELOAD MOVEABLE MULTIPLE NONSHARED >> $(SUBDIR)$(NAME).def; \
+            echo EXPORTS >> $(SUBDIR)$(NAME).def; \
+            emxexp -o $(OBJS) >> $(SUBDIR)$(NAME).def'
         SLIB_EXTRA_CMD='emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.a $(SUBDIR)$(NAME).def; \
-          emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
+            emximp -o $(SUBDIR)$(LIBPREF)$(NAME)_dll.lib $(SUBDIR)$(NAME).def;'
         SLIB_INSTALL_EXTRA_LIB='$(LIBPREF)$(NAME)_dll.a $(LIBPREF)$(NAME)_dll.lib'
         enable dos_paths
         enable_weak os2threads
@@ -3111,6 +3180,32 @@ case $target_os in
         ;;
 esac
 
+# determine libc flavour
+
+if check_cpp_condition features.h "defined __UCLIBC__"; then
+    libc_type=uclibc
+elif check_cpp_condition features.h "defined __GLIBC__"; then
+    libc_type=glibc
+elif check_header _mingw.h; then
+    libc_type=mingw
+    check_cpp_condition _mingw.h \
+        "defined (__MINGW64_VERSION_MAJOR) || (__MINGW32_MAJOR_VERSION > 3) || \
+            (__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
+        die "ERROR: MinGW runtime version must be >= 3.15."
+elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
+    libc_type=newlib
+elif check_func_headers stdlib.h _get_doserrno; then
+    libc_type=msvcrt
+    add_cflags -Dstrtod=avpriv_strtod
+    add_cflags -Dsnprintf=avpriv_snprintf   \
+               -D_snprintf=avpriv_snprintf  \
+               -Dvsnprintf=avpriv_vsnprintf
+elif check_cpp_condition stddef.h "defined __KLIBC__"; then
+    libc_type=klibc
+fi
+
+test -n "$libc_type" && enable $libc_type
+
 esc(){
     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
 }
@@ -3120,6 +3215,7 @@ echo "config:$arch:$subarch:$cpu:$target_os:$(esc $cc_ident):$(esc $FFMPEG_CONFI
 check_cpp_condition stdlib.h "defined(__PIC__) || defined(__pic__) || defined(PIC)" && enable pic
 
 set_default $PATHS_LIST
+set_default nm
 
 # we need to build at least one lib type
 if ! enabled_any static shared; then
@@ -3173,10 +3269,10 @@ enabled pic && enable_pic
 check_cc <<EOF || die "Symbol mangling check failed."
 int ff_extern;
 EOF
-sym=$($nm $nm_opts $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
+sym=$($nm $TMPO | awk '/ff_extern/{ print substr($0, match($0, /[^ \t]*ff_extern/)) }')
 extern_prefix=${sym%%ff_extern*}
 
-check_cc <<EOF && enable inline_asm
+check_cc <<EOF && enable_weak inline_asm
 void foo(void) { __asm__ volatile ("" ::); }
 EOF
 
@@ -3281,11 +3377,11 @@ elif enabled sparc; then
 
     enabled vis &&
         check_inline_asm vis '"pdist %f0, %f0, %f0"' -mcpu=ultrasparc &&
-        add_cflags -mcpu=ultrasparc -mtune=ultrasparc
+            add_cflags -mcpu=ultrasparc -mtune=ultrasparc
 
 elif enabled x86; then
 
-    check_code ld immintrin.h "__xgetbv(0)" "cc" && enable xgetbv
+    check_code ld immintrin.h "return __xgetbv(0)" "cc" && enable xgetbv
     check_code ld intrin.h "int info[4]; __cpuid(info, 0)" "cc" && enable cpuid
     check_code ld intrin.h "__rdtsc()" "cc" && enable rdtsc
     check_code ld intrin.h "unsigned int x = __readeflags()" "cc" && enable rweflags
@@ -3299,11 +3395,9 @@ elif enabled x86; then
     # if the base pointer is used to access it because the
     # base pointer is cleared in the inline assembly code.
     check_exec_crash <<EOF && enable ebp_available
-    volatile int i=0;
-    __asm__ volatile (
-        "xorl %%ebp, %%ebp"
-    ::: "%ebp");
-    return i;
+volatile int i=0;
+__asm__ volatile ("xorl %%ebp, %%ebp" ::: "%ebp");
+return i;
 EOF
 
     # check whether EBX is available on x86
@@ -3418,9 +3512,7 @@ check_func  mmap
 check_func  ${malloc_prefix}posix_memalign      && enable posix_memalign
 check_func_headers malloc.h _aligned_malloc     && enable aligned_malloc
 check_func  setrlimit
-check_func  snprintf
 check_func  strerror_r
-check_func  strptime
 check_func  sched_getaffinity
 check_func  sysconf
 check_func  sysctl
@@ -3439,18 +3531,11 @@ check_func_headers windows.h Sleep
 check_func_headers windows.h VirtualAlloc
 check_func_headers glob.h glob
 
-# Check for MSVCRT; it has a broken strtod() that can't parse some input.
-# Use old dos symbol to detect it. If we are on mingw, it already provides
-# its own replacement and we don't need to redo that.
-if check_func _get_doserrno; then
-    if test $target_os != mingw32; then
-        enable broken_strtod
-    fi
-fi
-
+check_header direct.h
 check_header dlfcn.h
 check_header dxva.h
 check_header dxva2api.h -D_WIN32_WINNT=0x0600
+check_header io.h
 check_header libcrystalhd/libcrystalhd_if.h
 check_header malloc.h
 check_header poll.h
@@ -3691,10 +3776,8 @@ if ! disabled vaapi; then
 fi
 
 if ! disabled vdpau && enabled vdpau_vdpau_h; then
-check_cpp_condition \
-    vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
-    { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." &&
-      disable vdpau; }
+    check_cpp_condition vdpau/vdpau.h "defined VDP_DECODER_PROFILE_MPEG4_PART2_ASP" ||
+        { echolog "Please upgrade to libvdpau >= 0.2 if you would like vdpau support." && disable vdpau; }
 fi
 
 enabled debug && add_cflags -g"$debuglevel" && add_asflags -g"$debuglevel"
@@ -3817,16 +3900,10 @@ elif enabled tms470; then
     add_cflags -pds=824 -pds=837
 elif enabled pathscale; then
     add_cflags -fstrict-overflow -OPT:wrap_around_unsafe_opt=OFF
+elif enabled msvc; then
+    enabled x86_32 && disable aligned_stack
 fi
 
-# If a missing snprintf/broken strtod is detected, force-include headers
-# that override prototypes and define it to a prefixed one implemented in
-# libavutil. We do this at the end since -I flags aren't set in configure,
-# and any additional check_cflags() beyond here will thus fail (because
-# it can't find these files, because the -I$(srcdir) wasn't set).
-enabled snprintf || force_include compat/snprintf.h
-enabled broken_strtod && force_include compat/strtod.h
-
 enabled_any $THREADS_LIST      && enable threads
 
 enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
@@ -4047,6 +4124,8 @@ DEPASFLAGS=$DEPASFLAGS \$(CPPFLAGS)
 YASM=$yasmexe
 DEPYASM=$yasmexe
 AR=$ar
+ARFLAGS=$arflags
+AR_O=$ar_o
 RANLIB=$ranlib
 CP=cp -p
 LN_S=$ln_s
@@ -4228,15 +4307,15 @@ test -n "$WARNINGS" && printf "\n$WARNINGS"
 # build pkg-config files
 
 pkgconfig_generate(){
-name=$1
-shortname=${name#lib}${build_suffix}
-comment=$2
-version=$3
-libs=$4
-requires=$5
-enabled ${name#lib} || return 0
-mkdir -p $name
-cat <<EOF > $name/$name.pc
+    name=$1
+    shortname=${name#lib}${build_suffix}
+    comment=$2
+    version=$3
+    libs=$4
+    requires=$5
+    enabled ${name#lib} || return 0
+    mkdir -p $name
+    cat <<EOF > $name/$name.pc
 prefix=$prefix
 exec_prefix=\${prefix}
 libdir=$libdir
@@ -4256,7 +4335,7 @@ EOF
 mkdir -p doc/examples/pc-uninstalled
 includedir=${source_path}
 [ "$includedir" = . ] && includedir="\${pcfiledir}/../../.."
-cat <<EOF > doc/examples/pc-uninstalled/$name.pc
+    cat <<EOF > doc/examples/pc-uninstalled/$name.pc
 prefix=
 exec_prefix=
 libdir=\${pcfiledir}/../../../$name
@@ -4292,3 +4371,26 @@ pkgconfig_generate libpostproc "FFmpeg postprocessing library" "$LIBPOSTPROC_VER
 pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
 pkgconfig_generate libswscale "FFmpeg image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
 pkgconfig_generate libswresample "FFmpeg audio rescaling library" "$LIBSWRESAMPLE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"
+
+fix_ffmpeg_remote(){
+    git_remote_from=$1
+    git_remote_to=$2
+    fixme_remote=$(git --git-dir=$source_path/.git --work-tree=$source_path remote -v | grep $git_remote_from | cut -f 1 | sort | uniq)
+    if [ "$fixme_remote" != "" ]; then
+        echolog "
+Outdated domain in git config, the official domain for ffmpeg git is since
+November 2011, source.ffmpeg.org, both the old and the new point to the same
+repository and server. To update it enter the following commands:
+"
+        for remote in $fixme_remote; do
+            echolog "git remote set-url $remote $git_remote_to"
+        done
+    fi
+}
+
+if test -f "$source_path/.git/config"; then
+    remote_from=git.videolan.org
+    remote_to=source.ffmpeg.org
+    fix_ffmpeg_remote git@$remote_from:ffmpeg   git@$remote_to:ffmpeg
+    fix_ffmpeg_remote git://$remote_from/ffmpeg git://$remote_to/ffmpeg
+fi