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#10548 closed defect (fixed)

Link error when compiling ffmpeg with clang and enabling lto

Reported by:	arm64-v9a	Owned by:
Priority:	normal	Component:	avcodec
Version:	git-master	Keywords:
Cc:		Blocked By:
Blocking:		Reproduced by developer:	no
Analyzed by developer:	no

Description

Summary of the bug:
How to reproduce:

./configure --cross-prefix=x86_64-w64-mingw32- --cc=x86_64-w64-mingw32-clang --enable-lto=thin --arch=x86_64 --target-os=mingw32 --enable-cross-compile

This problem also occurs in termux aarch64 builds.

ld.lld: error: undefined symbol: ff_mlp_firorder_0
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_firorder_1
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_firorder_2
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_firorder_3
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_firorder_4
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_firorder_5
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_firorder_6
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_firorder_7
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_firorder_8
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_iirorder_0
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_iirorder_1
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_iirorder_2
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_iirorder_3
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_iirorder_4
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)
ld.lld: error: undefined symbol: ff_mlp_firorder_0
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)
ld.lld: error: undefined symbol: ff_mlp_firorder_0
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_firorder_1
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_firorder_1
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_firorder_2
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_firorder_2
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_firorder_3
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_firorder_3
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_firorder_4
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_firorder_4
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_firorder_5
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_firorder_5
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_firorder_6
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_firorder_6
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_firorder_7
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_firorder_7
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_firorder_8
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_firorder_8
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_iirorder_0
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_iirorder_0
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_iirorder_1
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_iirorder_1
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_iirorder_2
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_iirorder_2
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_iirorder_3
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_iirorder_3
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_iirorder_4
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)

ld.lld: error: undefined symbol: ff_mlp_iirorder_4
>>> referenced by src/libavcodec/x86/mlpdsp_init.c
>>>               libavcodec.a(mlpdsp_init.o)
clang-16: error: linker command failed with exit code 1 (use -v to see invocation)

Change History (3)

comment:1 by kasper93, 6 months ago

https://sourceware.org/bugzilla/show_bug.cgi?id=15259

comment:2 by Balling, 5 months ago

So just a Clang bug https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231220124248.2816809-1-martin@martin.st/

comment:3 by Balling, 4 months ago

Resolution:	→ fixed
Status:	new → closed

Finally fixed in 102045028ee57967973ea90acac41eb747d3c601, please notify mpv people.

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