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configure: allow compiler-specific flags for --disable-optimizations
ICC needs at least -O1 to link so add this when optimisations are otherwise disabled. Originally committed as revision 23013 to svn://svn.ffmpeg.org/ffmpeg/trunk
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configure
vendored
3
configure
vendored
@ -1731,6 +1731,7 @@ elif $cc --version 2>/dev/null | grep -q Intel; then
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AS_DEPFLAGS='-MMD'
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AS_DEPFLAGS='-MMD'
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speed_cflags='-O3'
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speed_cflags='-O3'
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size_cflags='-Os'
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size_cflags='-Os'
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noopt_cflags='-O1'
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elif $cc -v 2>&1 | grep -q xlc; then
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elif $cc -v 2>&1 | grep -q xlc; then
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cc_type=xlc
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cc_type=xlc
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cc_version="AV_STRINGIFY(__IBMC__)"
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cc_version="AV_STRINGIFY(__IBMC__)"
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@ -2738,6 +2739,8 @@ if enabled small; then
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optimizations="small"
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optimizations="small"
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elif enabled optimizations; then
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elif enabled optimizations; then
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add_cflags $speed_cflags
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add_cflags $speed_cflags
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else
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add_cflags $noopt_cflags
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fi
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fi
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check_cflags -fno-math-errno
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check_cflags -fno-math-errno
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check_cflags -fno-signed-zeros
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check_cflags -fno-signed-zeros
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