configure: add section for libc-specific hacks

[ffmpeg] / configure

diff --git a/configure b/configure
index f6a7d1f5278d161a4cfb7663edee430cbe7d7fad..1c61e4bd9e5895acf657f37d672ef070d92e3161 100755 (executable)
--- a/configure
+++ b/configure
@@ -373,6 +373,12 @@ map(){
     for v; do eval $m; done
 }
 
+add_suffix(){
+    suffix=$1
+    shift
+    for v; do echo ${v}${suffix}; done
+}
+
 set_all(){
     value=$1
     shift
@@ -1101,6 +1107,8 @@ HAVE_LIST_PUB='
 
 HAVE_LIST="
     $ARCH_EXT_LIST
+    $(add_suffix _external $ARCH_EXT_LIST)
+    $(add_suffix _inline   $ARCH_EXT_LIST)
     $HAVE_LIST_PUB
     $THREADS_LIST
     aligned_malloc
@@ -1351,6 +1359,17 @@ sse42_deps="sse4"
 avx_deps="sse42"
 fma4_deps="avx"
 
+mmx_external_deps="yasm"
+mmx_inline_deps="inline_asm"
+mmx_suggest="mmx_external mmx_inline"
+
+for ext in $(filter_out mmx $ARCH_EXT_LIST_X86); do
+    eval dep=\$${ext}_deps
+    eval ${ext}_external_deps='"${dep}_external"'
+    eval ${ext}_inline_deps='"${dep}_inline"'
+    eval ${ext}_suggest='"${ext}_external ${ext}_inline"'
+done
+
 aligned_stack_if_any="ppc x86"
 fast_64bit_if_any="alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
 fast_clz_if_any="alpha armv5te avr32 mips ppc x86"
@@ -1390,7 +1409,7 @@ 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"
 ffv1_decoder_select="golomb rangecoder"
@@ -1460,6 +1479,7 @@ msmpeg4v2_decoder_select="h263_decoder"
 msmpeg4v2_encoder_select="h263_encoder"
 msmpeg4v3_decoder_select="h263_decoder"
 msmpeg4v3_encoder_select="h263_encoder"
+mss2_decoder_select="vc1_decoder"
 nellymoser_decoder_select="mdct sinewin"
 nellymoser_encoder_select="mdct sinewin"
 png_decoder_select="zlib"
@@ -1488,6 +1508,7 @@ tiff_encoder_suggest="zlib"
 truehd_decoder_select="mlp_decoder"
 tscc_decoder_select="zlib"
 twinvq_decoder_select="mdct lsp sinewin"
+utvideo_encoder_select="huffman"
 vc1_decoder_select="h263_decoder h264chroma h264qpel"
 vc1_dxva2_hwaccel_deps="dxva2api_h"
 vc1_dxva2_hwaccel_select="dxva2 vc1_decoder"
@@ -2102,7 +2123,7 @@ 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          ;;
@@ -2474,7 +2495,7 @@ 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
@@ -2686,11 +2707,9 @@ case $target_os in
         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"
         dlltool="${cross_prefix}dlltool"
+        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*)
@@ -2775,6 +2794,26 @@ 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_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'
 }
@@ -2964,8 +3003,8 @@ EOF
     check_inline_asm xmm_clobbers '"":::"%xmm0"'
 
     # check whether binutils is new enough to compile SSSE3/MMXEXT
-    enabled ssse3  && check_inline_asm ssse3  '"pabsw %xmm0, %xmm0"'
-    enabled mmxext && check_inline_asm mmxext '"pmaxub %mm0, %mm1"'
+    enabled ssse3  && check_inline_asm ssse3_inline  '"pabsw %xmm0, %xmm0"'
+    enabled mmxext && check_inline_asm mmxext_inline '"pmaxub %mm0, %mm1"'
 
     if ! disabled_any asm mmx yasm; then
         if check_cmd $yasmexe --version; then
@@ -2986,8 +3025,8 @@ EOF
 
         check_yasm "pextrd [eax], xmm0, 1" && enable yasm ||
             die "yasm not found, use --disable-yasm for a crippled build"
-        check_yasm "vextractf128 xmm0, ymm0, 0" || disable avx
-        check_yasm "vfmaddps ymm0, ymm1, ymm2, ymm3" || disable fma4
+        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
 
@@ -3384,14 +3423,14 @@ fi
 
 enabled_any $THREADS_LIST      && enable threads
 
+enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
+
 check_deps $CONFIG_LIST       \
            $CONFIG_EXTRA      \
            $HAVE_LIST         \
            $ALL_COMPONENTS    \
            $ALL_TESTS         \
 
-enabled asm || { arch=c; disable $ARCH_LIST $ARCH_EXT_LIST; }
-
 ! enabled_any memalign posix_memalign aligned_malloc &&
     enabled_any $need_memalign && enable memalign_hack