Started implementation of "correct" O_DIRECT handling

[frescor/ffmpeg.git] / configure

diff --git a/configure b/configure
index 66d92ded74d218b2dd80975c32eb834c2f7da930..ba18d8fa1ab09b077786621e402e1820c98ad8bc 100755 (executable)
--- a/configure
+++ b/configure
@@ -890,6 +890,7 @@ HAVE_LIST="
     getrusage
     inet_aton
     inline_asm
+    ldbrx
     libdc1394_1
     libdc1394_2
     llrint
@@ -923,6 +924,7 @@ HAVE_LIST="
     truncf
     VirtualAlloc
     winsock2_h
+    xform_asm
     yasm
 "
 
@@ -1661,7 +1663,6 @@ case $target_os in
         network_extralibs="-lsocket"
         objformat="coff"
         enable dos_paths
-        check_cflags -fno-common
         ;;
     linux)
         enable dv1394
@@ -1693,6 +1694,8 @@ case $target_os in
         SLIB_UNINSTALL_EXTRA_CMD='rm -f "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.a "$(LIBDIR)"/$(LIBPREF)$(NAME)_dll.lib'
         enable dos_paths
         ;;
+    gnu/kfreebsd)
+        ;;
 
     *)
         die "Unknown OS '$target_os'."
@@ -1735,22 +1738,20 @@ EOF
 fi
 
 
-if ! enabled gpl; then
-    die_gpl_disabled(){
-        name=$1
-        shift
-        enabled_any $@ && die "$name is under GPL and --enable-gpl is not specified."
-    }
-    die_gpl_disabled "The Postprocessing code" postproc
-    die_gpl_disabled "libx264"                 libx264
-    die_gpl_disabled "libxvidcore"             libxvid
-    die_gpl_disabled "FAAD2"                   libfaad2
-    die_gpl_disabled "The X11 grabber"         x11grab
-fi
+die_license_disabled() {
+    enabled $1 || { enabled $2 && die "$2 is $1 and --enable-$1 is not specified."; }
+}
+
+die_license_disabled gpl libfaad2
+die_license_disabled gpl libx264
+die_license_disabled gpl libxvid
+die_license_disabled gpl postproc
+die_license_disabled gpl x11grab
+
+die_license_disabled nonfree libamr_nb
+die_license_disabled nonfree libamr_wb
+die_license_disabled nonfree libfaac
 
-if ! enabled nonfree && enabled_any libamr_nb libamr_wb; then
-    die "libamr is nonfree and --enable-nonfree is not specified."
-fi
 
 check_deps $ARCH_EXT_LIST
 
@@ -1808,7 +1809,7 @@ if test $cpu != "generic"; then
         Cell|CELL|cell)
             add_cflags -mcpu=cell
             warn_altivec disabled Cell
-            enable ppc64
+            enable ppc64 ldbrx
         ;;
         # targets that do NOT support conditional mov (cmov)
         i[345]86|pentium|pentium-mmx|k6|k6-[23]|winchip-c6|winchip2|c3)
@@ -1843,6 +1844,9 @@ if test $cpu != "generic"; then
         ev4|ev45|ev5|ev56|pca56|ev6|ev67)
             enabled ccc && add_cflags -arch $cpu || add_cflags -mcpu=$cpu
         ;;
+        bf*)
+            add_cflags -mcpu=$cpu
+        ;;
         *)
             echo "WARNING: Unknown CPU \"$cpu\", ignored."
         ;;
@@ -1908,6 +1912,7 @@ fi
 
 enabled ppc && check_asm dcbzl '"dcbzl 0, 1"'
 enabled ppc && check_asm ppc4xx '"maclhw r10, r11, r12"'
+enabled ppc && check_asm xform_asm '"lwzx 0, %y0" :: "Z"(*(int*)0)'
 
 # check for SIMD availability