]> git.sesse.net Git - ffmpeg/blobdiff - configure
configure: move arm arch extensions to a separate variable
[ffmpeg] / configure
index f215c76c08f0423b5dfd810167f646148579be14..baff12f90031916fe7e217473fbba5f3a31a5681 100755 (executable)
--- a/configure
+++ b/configure
@@ -101,15 +101,19 @@ Configuration options:
   --enable-gray            enable full grayscale support (slower color)
   --disable-swscale-alpha  disable alpha channel support in swscale
 
-Component options:
-  --disable-doc            do not build documentation
+Program options:
+  --disable-programs       do not build command line programs
   --disable-avconv         disable avconv build
   --disable-avplay         disable avplay build
   --disable-avprobe        disable avprobe build
   --disable-avserver       disable avserver build
+
+Component options:
+  --disable-doc            do not build documentation
   --disable-avdevice       disable libavdevice build
   --disable-avcodec        disable libavcodec build
   --disable-avformat       disable libavformat build
+  --disable-avutil         disable libavutil build
   --disable-swscale        disable libswscale build
   --disable-avfilter       disable video filter support [no]
   --disable-avresample     disable libavresample build [no]
@@ -584,7 +588,7 @@ print_config(){
                 } else if (file ~ /\\.asm\$/) {
                     printf(\"%%define %s %d\\n\", c, v) >>file;
                 } else if (file ~ /\\.mak\$/) {
-                    n = +v ? \"\" : \"!\";
+                    n = -v ? \"\" : \"!\";
                     printf(\"%s%s=yes\\n\", n, c) >>file;
                 }
             }
@@ -592,11 +596,10 @@ print_config(){
 }
 
 print_enabled(){
-    test x"$1" = x-n && end=" " && shift || end="\n"
     suf=$1
     shift
     for v; do
-        enabled $v && printf "%s$end" ${v%$suf};
+        enabled $v && printf "%s\n" ${v%$suf};
     done
 }
 
@@ -977,6 +980,16 @@ COMPONENT_LIST="
     protocols
 "
 
+LIBRARY_LIST="
+    avcodec
+    avdevice
+    avfilter
+    avformat
+    avresample
+    avutil
+    swscale
+"
+
 PROGRAM_LIST="
     avconv
     avplay
@@ -986,12 +999,8 @@ PROGRAM_LIST="
 
 CONFIG_LIST="
     $COMPONENT_LIST
+    $LIBRARY_LIST
     $PROGRAM_LIST
-    avcodec
-    avdevice
-    avfilter
-    avformat
-    avresample
     avisynth
     bzlib
     dct
@@ -1044,7 +1053,6 @@ CONFIG_LIST="
     small
     sram
     static
-    swscale
     swscale_alpha
     thumb
     vaapi
@@ -1062,6 +1070,7 @@ THREADS_LIST='
 '
 
 ARCH_LIST='
+    aarch64
     alpha
     arm
     avr32
@@ -1087,6 +1096,15 @@ ARCH_LIST='
     x86_64
 '
 
+ARCH_EXT_LIST_ARM='
+    armv5te
+    armv6
+    armv6t2
+    armvfp
+    neon
+    vfpv3
+'
+
 ARCH_EXT_LIST_X86='
     amd3dnow
     amd3dnowext
@@ -1103,15 +1121,10 @@ ARCH_EXT_LIST_X86='
 '
 
 ARCH_EXT_LIST="
+    $ARCH_EXT_LIST_ARM
     $ARCH_EXT_LIST_X86
     altivec
-    armv5te
-    armv6
-    armv6t2
-    armvfp
-    neon
     ppc4xx
-    vfpv3
     vis
 "
 
@@ -1172,6 +1185,7 @@ HAVE_LIST="
     attribute_packed
     closesocket
     cmov
+    CommandLineToArgvW
     cpunop
     CryptGenRandom
     dcbzl
@@ -1232,6 +1246,7 @@ HAVE_LIST="
     sched_getaffinity
     sdl
     sdl_video_size
+    SetConsoleTextAttribute
     setmode
     setrlimit
     Sleep
@@ -1277,7 +1292,6 @@ HAVE_LIST="
 CONFIG_EXTRA="
     aandcttables
     ac3dsp
-    avutil
     error_resilience
     gcrypt
     golomb
@@ -1726,14 +1740,18 @@ scale_filter_deps="swscale"
 yadif_filter_deps="gpl"
 
 # libraries
-avdevice_deps="avcodec avformat"
-avformat_deps="avcodec"
+avcodec_deps="avutil"
+avdevice_deps="avutil avcodec avformat"
+avfilter_deps="avutil"
+avformat_deps="avutil avcodec"
+avresample_deps="avutil"
+swscale_deps="avutil"
 
 # programs
-avconv_deps="avcodec avfilter avformat avresample swscale
-             aformat_filter asyncts_filter
-             format_filter fps_filter scale_filter setpts_filter"
-avplay_deps="avcodec avformat swscale sdl"
+avconv_deps="avcodec avfilter avformat avresample swscale"
+avconv_select="aformat_filter asyncts_filter
+               format_filter fps_filter scale_filter setpts_filter"
+avplay_deps="avcodec avformat avresample swscale sdl"
 avplay_select="rdft"
 avprobe_deps="avcodec avformat"
 avserver_deps="avformat ffm_muxer fork rtp_protocol rtsp_demuxer !shared"
@@ -1777,15 +1795,7 @@ target_os_default=$(tolower $(uname -s))
 host_os=$target_os_default
 
 # configurable options
-enable $PROGRAM_LIST
-
-enable avcodec
-enable avdevice
-enable avfilter
-enable avformat
-enable avresample
-enable avutil
-enable swscale
+enable $LIBRARY_LIST $PROGRAM_LIST
 
 enable asm
 enable debug
@@ -1938,63 +1948,66 @@ do_random(){
 for opt do
     optval="${opt#*=}"
     case "$opt" in
-    --extra-ldflags=*) add_ldflags $optval
-    ;;
-    --extra-libs=*) add_extralibs $optval
-    ;;
-    --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
-    ;;
-    --enable-debug=*) debuglevel="$optval"
-    ;;
-    --disable-everything)
-    map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
-    ;;
-    --enable-random|--disable-random)
-    action=${opt%%-random}
-    do_random ${action#--} $COMPONENT_LIST
-    ;;
-    --enable-random=*|--disable-random=*)
-    action=${opt%%-random=*}
-    do_random ${action#--} $optval
-    ;;
-    --enable-*=*|--disable-*=*)
-    eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
-    is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
-    eval list=\$$(toupper $thing)_LIST
-    name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
-    $action $(filter "$name" $list)
-    ;;
-    --enable-?*|--disable-?*)
-    eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
-    if is_in $option $COMPONENT_LIST; then
-        test $action = disable && action=unset
-        eval $action \$$(toupper ${option%s})_LIST
-    elif is_in $option $CMDLINE_SELECT; then
-        $action $option
-    else
-        die_unknown $opt
-    fi
-    ;;
-    --list-*)
-        NAME="${opt#--list-}"
-        is_in $NAME $COMPONENT_LIST || die_unknown $opt
-        NAME=${NAME%s}
-        eval show_list $NAME \$$(toupper $NAME)_LIST
-    ;;
-    --help|-h) show_help
-    ;;
-    *)
-    optname="${opt%%=*}"
-    optname="${optname#--}"
-    optname=$(echo "$optname" | sed 's/-/_/g')
-    if is_in $optname $CMDLINE_SET; then
-        eval $optname='$optval'
-    elif is_in $optname $CMDLINE_APPEND; then
-        append $optname "$optval"
-    else
-         die_unknown $opt
-    fi
-    ;;
+        --extra-ldflags=*) add_ldflags $optval
+        ;;
+        --extra-libs=*) add_extralibs $optval
+        ;;
+        --disable-devices) disable $INDEV_LIST $OUTDEV_LIST
+        ;;
+        --enable-debug=*) debuglevel="$optval"
+        ;;
+        --disable-programs)
+            disable $PROGRAM_LIST
+        ;;
+        --disable-everything)
+            map 'eval unset \${$(toupper ${v%s})_LIST}' $COMPONENT_LIST
+        ;;
+        --enable-random|--disable-random)
+            action=${opt%%-random}
+            do_random ${action#--} $COMPONENT_LIST
+        ;;
+        --enable-random=*|--disable-random=*)
+            action=${opt%%-random=*}
+            do_random ${action#--} $optval
+        ;;
+        --enable-*=*|--disable-*=*)
+            eval $(echo "${opt%%=*}" | sed 's/--/action=/;s/-/ thing=/')
+            is_in "${thing}s" $COMPONENT_LIST || die_unknown "$opt"
+            eval list=\$$(toupper $thing)_LIST
+            name=$(echo "${optval}" | sed "s/,/_${thing}|/g")_${thing}
+            $action $(filter "$name" $list)
+        ;;
+        --enable-?*|--disable-?*)
+            eval $(echo "$opt" | sed 's/--/action=/;s/-/ option=/;s/-/_/g')
+            if is_in $option $COMPONENT_LIST; then
+                test $action = disable && action=unset
+                eval $action \$$(toupper ${option%s})_LIST
+            elif is_in $option $CMDLINE_SELECT; then
+                $action $option
+            else
+                die_unknown $opt
+            fi
+        ;;
+        --list-*)
+            NAME="${opt#--list-}"
+            is_in $NAME $COMPONENT_LIST || die_unknown $opt
+            NAME=${NAME%s}
+            eval show_list $NAME \$$(toupper $NAME)_LIST
+        ;;
+        --help|-h) show_help
+        ;;
+        *)
+            optname="${opt%%=*}"
+            optname="${optname#--}"
+            optname=$(echo "$optname" | sed 's/-/_/g')
+            if is_in $optname $CMDLINE_SET; then
+                eval $optname='$optval'
+            elif is_in $optname $CMDLINE_APPEND; then
+                append $optname "$optval"
+            else
+                die_unknown $opt
+            fi
+        ;;
     esac
 done
 
@@ -2108,6 +2121,24 @@ EOF
     die "Sanity test failed."
 fi
 
+ccc_flags(){
+    for flag; do
+        case $flag in
+            -std=c99)           echo -c99                       ;;
+            -mcpu=*)            echo -arch ${flag#*=}           ;;
+            -mieee)             echo -ieee                      ;;
+            -O*|-fast)          echo $flag                      ;;
+            -fno-math-errno)    echo -assume nomath_errno       ;;
+            -g)                 echo -g3                        ;;
+            -Wall)              echo -msg_enable level2         ;;
+            -Wno-pointer-sign)  echo -msg_disable ptrmismatch1  ;;
+            -Wl,*)              echo $flag                      ;;
+            -f*|-W*)                                            ;;
+            *)                  echo $flag                      ;;
+        esac
+   done
+}
+
 msvc_flags(){
     for flag; do
         case $flag in
@@ -2158,6 +2189,8 @@ suncc_flags(){
                     prescott|nocona)    echo -xarch=sse3 -xchip=pentium4 ;;
                     *-sse3)             echo -xarch=sse3                 ;;
                     core2)              echo -xarch=ssse3 -xchip=core2   ;;
+                    corei7)           echo -xarch=sse4_2 -xchip=nehalem  ;;
+                    corei7-avx)       echo -xarch=avx -xchip=sandybridge ;;
                     amdfam10|barcelona|bdver*) echo -xarch=sse4_1        ;;
                     athlon-4|athlon-[mx]p)    echo -xarch=ssea           ;;
                     k8|opteron|athlon64|athlon-fx)
@@ -2248,10 +2281,9 @@ probe_cc(){
         _type=ccc
         _ident=$($_cc -V | head -n1 | cut -d' ' -f1-3)
         _DEPFLAGS='-M'
-        debuglevel=3
-        _ldflags='-Wl,-z,now' # calls to libots crash without this
         _cflags_speed='-fast'
         _cflags_size='-O1'
+        _flags_filter=ccc_flags
     elif $_cc --vsn 2>/dev/null | grep -q "ARM C/C++ Compiler"; then
         test -d "$sysroot" || die "No valid sysroot specified."
         _type=armcc
@@ -2455,6 +2487,9 @@ fi
 
 # Deal with common $arch aliases
 case "$arch" in
+    aarch64|arm64)
+        arch="aarch64"
+    ;;
     arm*)
         arch="arm"
     ;;
@@ -2490,6 +2525,71 @@ enable $arch
 # Add processor-specific flags
 if test "$cpu" = generic; then
     : do nothing
+
+elif enabled aarch64; then
+
+    case $cpu in
+        armv*)
+            cpuflags="-march=$cpu"
+        ;;
+        *)
+            cpuflags="-mcpu=$cpu"
+        ;;
+    esac
+
+elif enabled alpha; then
+
+    cpuflags="-mcpu=$cpu"
+
+elif enabled arm; then
+
+    case $cpu in
+        armv*)
+            cpuflags="-march=$cpu"
+            subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
+        ;;
+        *)
+            cpuflags="-mcpu=$cpu"
+            case $cpu in
+                cortex-a*)                               subarch=armv7a  ;;
+                cortex-r*)                               subarch=armv7r  ;;
+                cortex-m*)                 enable thumb; subarch=armv7m  ;;
+                arm11*)                                  subarch=armv6   ;;
+                arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
+                armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
+            esac
+        ;;
+    esac
+
+elif enabled avr32; then
+
+    case $cpu in
+        ap7[02]0[0-2])
+            subarch="avr32_ap"
+            cpuflags="-mpart=$cpu"
+        ;;
+        ap)
+            subarch="avr32_ap"
+            cpuflags="-march=$cpu"
+        ;;
+        uc3[ab]*)
+            subarch="avr32_uc"
+            cpuflags="-mcpu=$cpu"
+        ;;
+        uc)
+            subarch="avr32_uc"
+            cpuflags="-march=$cpu"
+        ;;
+    esac
+
+elif enabled bfin; then
+
+    cpuflags="-mcpu=$cpu"
+
+elif enabled mips; then
+
+    cpuflags="-march=$cpu"
+
 elif enabled ppc; then
 
     case $(tolower $cpu) in
@@ -2506,20 +2606,20 @@ elif enabled ppc; then
             disable altivec
         ;;
         g3|75*|ppc75*|powerpc75*)
-            cpuflags="-mcpu=750 -mpowerpc-gfxopt"
+            cpuflags="-mcpu=750"
             disable altivec
         ;;
         g4|745*|ppc745*|powerpc745*)
-            cpuflags="-mcpu=7450 -mpowerpc-gfxopt"
+            cpuflags="-mcpu=7450"
         ;;
         74*|ppc74*|powerpc74*)
-            cpuflags="-mcpu=7400 -mpowerpc-gfxopt"
+            cpuflags="-mcpu=7400"
         ;;
         g5|970|ppc970|powerpc970)
-            cpuflags="-mcpu=970 -mpowerpc-gfxopt -mpowerpc64"
+            cpuflags="-mcpu=970"
         ;;
         power[3-7]*)
-            cpuflags="-mcpu=$cpu -mpowerpc-gfxopt -mpowerpc64"
+            cpuflags="-mcpu=$cpu"
         ;;
         cell)
             cpuflags="-mcpu=cell"
@@ -2539,6 +2639,18 @@ elif enabled ppc; then
         ;;
     esac
 
+elif enabled sparc; then
+
+    case $cpu in
+        cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
+            cpuflags="-mcpu=$cpu"
+            disable vis
+        ;;
+        ultrasparc*|niagara[234])
+            cpuflags="-mcpu=$cpu"
+        ;;
+    esac
+
 elif enabled x86; then
 
     case $cpu in
@@ -2552,7 +2664,7 @@ elif enabled x86; then
             disable cmov
         ;;
         # targets that do support conditional mov (cmov)
-        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|amdfam10|barcelona|atom|bdver*)
+        i686|pentiumpro|pentium[23]|pentium-m|athlon|athlon-tbird|athlon-4|athlon-[mx]p|athlon64*|k8*|opteron*|athlon-fx|core2|corei7*|amdfam10|barcelona|atom|bdver*)
             cpuflags="-march=$cpu"
             enable cmov
             enable fast_cmov
@@ -2565,71 +2677,6 @@ elif enabled x86; then
         ;;
     esac
 
-elif enabled sparc; then
-
-    case $cpu in
-        cypress|f93[04]|tsc701|sparcl*|supersparc|hypersparc|niagara|v[789])
-            cpuflags="-mcpu=$cpu"
-            disable vis
-        ;;
-        ultrasparc*|niagara[234])
-            cpuflags="-mcpu=$cpu"
-        ;;
-    esac
-
-elif enabled arm; then
-
-    case $cpu in
-        armv*)
-            cpuflags="-march=$cpu"
-            subarch=$(echo $cpu | sed 's/[^a-z0-9]//g')
-        ;;
-        *)
-            cpuflags="-mcpu=$cpu"
-            case $cpu in
-                cortex-a*)                               subarch=armv7a  ;;
-                cortex-r*)                               subarch=armv7r  ;;
-                cortex-m*)                 enable thumb; subarch=armv7m  ;;
-                arm11*)                                  subarch=armv6   ;;
-                arm[79]*e*|arm9[24]6*|arm96*|arm102[26]) subarch=armv5te ;;
-                armv4*|arm7*|arm9[24]*)                  subarch=armv4   ;;
-            esac
-        ;;
-    esac
-
-elif enabled alpha; then
-
-    enabled ccc && cpuflags="-arch $cpu" || cpuflags="-mcpu=$cpu"
-
-elif enabled bfin; then
-
-    cpuflags="-mcpu=$cpu"
-
-elif enabled mips; then
-
-    cpuflags="-march=$cpu"
-
-elif enabled avr32; then
-
-    case $cpu in
-        ap7[02]0[0-2])
-            subarch="avr32_ap"
-            cpuflags="-mpart=$cpu"
-        ;;
-        ap)
-            subarch="avr32_ap"
-            cpuflags="-march=$cpu"
-        ;;
-        uc3[ab]*)
-            subarch="avr32_uc"
-            cpuflags="-mcpu=$cpu"
-        ;;
-        uc)
-            subarch="avr32_uc"
-            cpuflags="-march=$cpu"
-        ;;
-    esac
-
 fi
 
 add_cflags $cpuflags
@@ -2827,7 +2874,6 @@ case $target_os in
         SHFLAGS='-shared -Wl,--out-implib,$(SUBDIR)lib$(FULLNAME).dll.a'
         objformat="win32"
         enable dos_paths
-        add_cppflags -U__STRICT_ANSI__
         ;;
     *-dos|freedos|opendos)
         network_extralibs="-lsocket"
@@ -2836,7 +2882,6 @@ case $target_os in
         add_cppflags -U__STRICT_ANSI__
         ;;
     linux)
-        add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
         enable dv1394
         ;;
     irix*)
@@ -2867,10 +2912,9 @@ case $target_os in
         enable dos_paths
         ;;
     gnu/kfreebsd)
-        add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
+        add_cppflags -D_BSD_SOURCE
         ;;
     gnu)
-        add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
         ;;
     qnx)
         add_cppflags -D_QNX_SOURCE
@@ -2918,8 +2962,10 @@ esac
 
 if check_cpp_condition features.h "defined __UCLIBC__"; then
     libc_type=uclibc
+    add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
 elif check_cpp_condition features.h "defined __GLIBC__"; then
     libc_type=glibc
+    add_cppflags -D_POSIX_C_SOURCE=200112 -D_XOPEN_SOURCE=600
 elif check_header _mingw.h; then
     libc_type=mingw
     check_cpp_condition _mingw.h \
@@ -2928,6 +2974,7 @@ elif check_header _mingw.h; then
         die "ERROR: MinGW runtime version must be >= 3.15."
 elif check_cpp_condition newlib.h "defined _NEWLIB_VERSION"; then
     libc_type=newlib
+    add_cppflags -U__STRICT_ANSI__
 elif check_func_headers stdlib.h _get_doserrno; then
     libc_type=msvcrt
     add_compat strtod.o strtod=avpriv_strtod
@@ -2950,6 +2997,10 @@ if enabled_all tms470 glibc; then
     add_cflags   -pds=48    # incompatible redefinition of macro
 fi
 
+if enabled_all ccc glibc; then
+    add_ldflags -Wl,-z,now  # calls to libots crash without this
+fi
+
 esc(){
     echo "$*" | sed 's/%/%25/g;s/:/%3a/g'
 }
@@ -3072,6 +3123,14 @@ elif enabled mips; then
 
     check_inline_asm loongson '"dmult.g $1, $2, $3"'
 
+elif enabled parisc; then
+
+    if enabled gcc; then
+        case $($cc -dumpversion) in
+            4.[3-8].*) check_cflags -fno-optimize-sibling-calls ;;
+        esac
+    fi
+
 elif enabled ppc; then
 
     enable local_aligned_8 local_aligned_16
@@ -3152,9 +3211,8 @@ EOF
             elf*) enabled debug && append YASMFLAGS $yasm_debug ;;
         esac
 
-        check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
+        check_yasm "vextractf128 xmm0, ymm0, 0" && enable yasm ||
             die "yasm not found, use --disable-yasm for a crippled build"
-        check_yasm "vextractf128 xmm0, ymm0, 0"      || disable avx_external
         check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4_external
         check_yasm "CPU amdnop" && enable cpunop
     fi
@@ -3252,6 +3310,7 @@ check_func_headers windows.h GetProcessAffinityMask
 check_func_headers windows.h GetProcessTimes
 check_func_headers windows.h GetSystemTimeAsFileTime
 check_func_headers windows.h MapViewOfFile
+check_func_headers windows.h SetConsoleTextAttribute
 check_func_headers windows.h Sleep
 check_func_headers windows.h VirtualAlloc
 
@@ -3277,7 +3336,7 @@ disabled  zlib || check_lib   zlib.h      zlibVersion -lz   || disable  zlib
 disabled bzlib || check_lib2 bzlib.h BZ2_bzlibVersion -lbz2 || disable bzlib
 
 if ! disabled w32threads && ! enabled pthreads; then
-    check_func _beginthreadex && enable w32threads
+    check_func_headers "windows.h process.h" _beginthreadex && enable w32threads
 fi
 
 # check for some common methods of building with pthread support
@@ -3344,8 +3403,8 @@ enabled libvorbis  && require  libvorbis vorbis/vorbisenc.h vorbis_info_init -lv
 enabled libvpx     && {
     enabled libvpx_decoder && { check_lib2 "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_dec_init_ver -lvpx ||
                                 die "ERROR: libvpx decoder version must be >=0.9.1"; }
-    enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_enc_init_ver -lvpx ||
-                                die "ERROR: libvpx encoder version must be >=0.9.1"; } }
+    enabled libvpx_encoder && { check_lib2 "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_enc_init_ver VPX_CQ" -lvpx ||
+                                die "ERROR: libvpx encoder version must be >=0.9.6"; } }
 enabled libx264    && require  libx264 x264.h x264_encoder_encode -lx264 &&
                       { check_cpp_condition x264.h "X264_BUILD >= 118" ||
                         die "ERROR: libx264 version must be >= 0.118."; }
@@ -3528,12 +3587,10 @@ if enabled icc; then
     fi
 elif enabled ccc; then
     # disable some annoying warnings
-    add_cflags -msg_disable cvtu32to64
-    add_cflags -msg_disable embedcomment
-    add_cflags -msg_disable needconstext
-    add_cflags -msg_disable nomainieee
-    add_cflags -msg_disable ptrmismatch1
-    add_cflags -msg_disable unreachcode
+    add_cflags -msg_disable bitnotint
+    add_cflags -msg_disable mixfuncvoid
+    add_cflags -msg_disable nonstandcast
+    add_cflags -msg_disable unsupieee
 elif enabled gcc; then
     check_optflags -fno-tree-vectorize
     check_cflags -Werror=implicit-function-declaration
@@ -3545,6 +3602,8 @@ elif enabled llvm_gcc; then
 elif enabled clang; then
     check_cflags -mllvm -stack-alignment=16
     check_cflags -Qunused-arguments
+    check_cflags -Werror=implicit-function-declaration
+    check_cflags -Werror=missing-prototypes
 elif enabled armcc; then
     # 2523: use of inline assembler is deprecated
     add_cflags -W${armcc_opt},--diag_suppress=2523
@@ -3562,6 +3621,9 @@ elif enabled msvc; then
 fi
 
 case $target_os in
+    osf1)
+        enabled ccc && add_ldflags '-Wl,-expect_unresolved,*'
+    ;;
     plan9)
         add_cppflags -Dmain=plan9_main
     ;;
@@ -3727,6 +3789,7 @@ ASFLAGS=$ASFLAGS
 AS_C=$AS_C
 AS_O=$AS_O
 CC_C=$CC_C
+CC_E=$CC_E
 CC_O=$CC_O
 LD_O=$LD_O
 LD_LIB=$LD_LIB
@@ -3789,7 +3852,7 @@ SAMPLES:=${samples:-\$(LIBAV_SAMPLES)}
 EOF
 
 get_version(){
-    lcname=$1
+    lcname=lib${1}
     name=$(toupper $lcname)
     file=$source_path/$lcname/version.h
     eval $(awk "/#define ${name}_VERSION_M/ { print \$2 \"=\" \$3 }" "$file")
@@ -3798,13 +3861,7 @@ get_version(){
     eval echo "${lcname}_VERSION_MAJOR=\$${name}_VERSION_MAJOR" >> config.mak
 }
 
-get_version libavcodec
-get_version libavdevice
-get_version libavfilter
-get_version libavformat
-get_version libavresample
-get_version libavutil
-get_version libswscale
+map 'get_version $v' $LIBRARY_LIST
 
 cat > $TMPH <<EOF
 /* Automatically generated by configure - do not modify! */
@@ -3903,6 +3960,6 @@ pkgconfig_generate libavutil "Libav utility library" "$LIBAVUTIL_VERSION" "$LIBM
 pkgconfig_generate libavcodec "Libav codec library" "$LIBAVCODEC_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
 pkgconfig_generate libavformat "Libav container format library" "$LIBAVFORMAT_VERSION" "$extralibs" "libavcodec = $LIBAVCODEC_VERSION"
 pkgconfig_generate libavdevice "Libav device handling library" "$LIBAVDEVICE_VERSION" "$extralibs" "libavformat = $LIBAVFORMAT_VERSION"
-pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs"
-pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs"
+pkgconfig_generate libavfilter "Libav video filtering library" "$LIBAVFILTER_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
+pkgconfig_generate libavresample "Libav audio resampling library" "$LIBAVRESAMPLE_VERSION" "$extralibs" "libavutil = $LIBAVUTIL_VERSION"
 pkgconfig_generate libswscale "Libav image rescaling library" "$LIBSWSCALE_VERSION" "$LIBM" "libavutil = $LIBAVUTIL_VERSION"