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Re-add check for compilation failure with ebx clobber, and only set

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ebx_available if both "b" constraint and exb clobber code compile.
This is to fix compilation with Mac OSX 10.5.8's gcc 4.0.1 in 64
bit mode (-m64) which only fails for ebx/rbx clobbers but not
"b" constraints - this is probably a compiler bug.

Originally committed as revision 20107 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2009-09-30 21:57:13 +00:00
parent 3fdccca091
commit e04a3c9613
1 changed files with 1 additions and 1 deletions
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2
configure vendored
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@ -2163,7 +2163,7 @@ elif enabled x86; then
EOF
# check whether EBX is available on x86
check_asm ebx_available '""::"b"(0)'
check_asm ebx_available '""::"b"(0)' && check_asm ebx_available '"":::"%ebx"'
# check whether more than 10 operands are supported
check_cc <<EOF && enable ten_operands