Merge remote-tracking branch 'qatar/master'

* qatar/master:
  rtpdec_jpeg: Add support for default quantizers
  x86: dsputil: Move specific optimization settings out of global init function
  avplay: get rid of ugly casts in the options table
  avplay: fix prototypes for option callbacks.
  flvdec: always set AVFMTCTX_NOHEADER.
  file: Use a normal private context for storing the file descriptor
  configure: Adjust the xgetbv instrinsic check
  configure: Add --disable-inline-asm command line option
  configure: Don't try to enable the log2 function on msvcrt

Conflicts:
	configure
	ffplay.c
	libavcodec/x86/dsputil_mmx.c
	libavformat/file.c
	libavformat/flvdec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 6 insertions, 2 deletions

diff --git a/configure b/configure
index 3f292432da..746df00cae 100755
--- a/configure
+++ b/configure
@@ -290,6 +290,7 @@ 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
@@ -1429,6 +1430,7 @@ CMDLINE_SELECT="
     cross_compile
     debug
     extra_warnings
+    inline_asm
     logging
     optimizations
     stripping
@@ -1549,6 +1551,8 @@ need_memalign="altivec neon sse"
 
 symver_if_any="symver_asm_label symver_gnu_asm"
 
+log2_deps="!msvcrt"
+
 # subsystems
 dct_select="rdft"
 mdct_select="fft"
@@ -3241,7 +3245,7 @@ EOF
 sym=$($nm $nm_opts $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
 
@@ -3350,7 +3354,7 @@ elif enabled sparc; then
 
 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