8000 ld misinterprets `-object_path_lto` flag: `error: unable to open executable 'bject_path_lto'` · Issue #13 · iains/darwin-xtools · GitHub
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ld misinterprets -object_path_lto flag: error: unable to open executable 'bject_path_lto' #13

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barracuda156 opened this issue Apr 12, 2025 · 6 comments
Open

ld misinterprets -object_path_lto flag: error: unable to open executable 'bject_path_lto' #13

barracuda156 opened this issue Apr 12, 2025 · 6 comments

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@barracuda156
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/opt/local/bin/gcc-mp-14 -bundle -undefined dynamic_lookup -L/opt/local/lib -Wl,-headerpad_max_install_names -arch ppc  -flto -Wl,-export_dynamic -Wl,-object_path_lto,"Modules/_[contextvars.cpython-313-darwin.so](http://contextvars.cpython-313-darwin.so/)".lto -g   Modules/_contextvarsmodule.o   -o Modules/_[contextvars.cpython-313-darwin.so](http://contextvars.cpython-313-darwin.so/)
/opt/local/bin/gcc-mp-14 -bundle -undefined dynamic_lookup -L/opt/local/lib -Wl,-headerpad_max_install_names -arch ppc  -flto -Wl,-export_dynamic -Wl,-object_path_lto,"Modules/_[csv.cpython-313-darwin.so](http://csv.cpython-313-darwin.so/)".lto -g   Modules/_csv.o   -o Modules/_[csv.cpython-313-darwin.so](http://csv.cpython-313-darwin.so/)
ld(29920) malloc: *** error for object 0xa00a6754: pointer being freed was not allocated
*** set a breakpoint in malloc_error_break to debug
ld(29920) malloc: *** error for object 0xa00a67c4: pointer being freed was not allocated
*** set a breakpoint in malloc_error_break to debug
ld(29919) malloc: *** error for object 0xa00a6754: pointer being freed was not allocated
*** set a breakpoint in malloc_error_break to debug
ld(29919) malloc: *** error for object 0xa00a67c4: pointer being freed was not allocated
*** set a breakpoint in malloc_error_break to debug
ld(29922) malloc: *** error for object 0xa00a6754: pointer being freed was not allocated
*** set a breakpoint in malloc_error_break to debug
ld(29922) malloc: *** error for object 0xa00a67c4: pointer being freed was not allocated
*** set a breakpoint in malloc_error_break to debug
ld(29915) malloc: *** error for object 0xa00a6754: pointer being freed was not allocated
*** set a breakpoint in malloc_error_break to debug
ld(29915) malloc: *** error for object 0xa00a67c4: pointer being freed was not allocated
*** set a breakpoint in malloc_error_break to debug
ld(29923) malloc: *** error for object 0xa00a6754: pointer being freed was not allocated
*** set a breakpoint in malloc_error_break to debug
ld(29923) malloc: *** error for object 0xa00a67c4: pointer being freed was not allocated
*** set a breakpoint in malloc_error_break to debug
ld(29921) malloc: *** error for object 0xa00a6754: pointer being freed was not allocated
*** set a breakpoint in malloc_error_break to debug
ld(29921) malloc: *** error for object 0xa00a67c4: pointer being freed was not allocated
*** set a breakpoint in malloc_error_break to debug
ld(29953) malloc: *** error for object 0xa00a6754: pointer being freed was not allocated
*** set a breakpoint in malloc_error_break to debug
ld(29953) malloc: *** error for object 0xa00a67c4: pointer being freed was not allocated
*** set a breakpoint in malloc_error_break to debug
error: unable to open executable 'bject_path_lto'
collect2: fatal error: /usr/bin/dsymutil returned 1 exit status
compilation terminated.
make: *** [Modules/_[contextvars.cpython-313-darwin.so](http://contextvars.cpython-313-darwin.so/)] Error 1
make: *** Waiting for unfinished jobs....
ld(29957) malloc: *** error for object 0xa00a6754: pointer being freed was not allocated
*** set a breakpoint in malloc_error_break to debug
ld(29957) malloc: *** error for object 0xa00a67c4: pointer being freed was not allocated
*** set a breakpoint in malloc_error_break to debug
error: unable to open executable 'bject_path_lto'
collect2: fatal error: /usr/bin/dsymutil returned 1 exit status
compilation terminated.
make: *** [Modules/_[bisect.cpython-313-darwin.so](http://bisect.cpython-313-darwin.so/)] Error 1
ld(29964) malloc: *** error for object 0xa00a6754: pointer being freed was not allocated
*** set a breakpoint in malloc_error_break to debug
ld(29964) malloc: *** error for object 0xa00a67c4: pointer being freed was not allocated
*** set a breakpoint in malloc_error_break to debug
error: unable to open executable 'bject_path_lto'
collect2: fatal error: /usr/bin/dsymutil returned 1 exit status
compilation terminated.
make: *** [Modules/_[csv.cpython-313-darwin.so](http://csv.cpython-313-darwin.so/)] Error 1
ld(29969) malloc: *** error for object 0xa00a6754: pointer being freed was not allocated
*** set a breakpoint in malloc_error_break to debug
ld(29969) malloc: *** error for object 0xa00a67c4: pointer being freed was not allocated
*** set a breakpoint in malloc_error_break to debug
error: unable to open executable 'bject_path_lto'
collect2: fatal error: /usr/bin/dsymutil returned 1 exit status
compilation terminated.
make: *** [Modules/[array.cpython-313-darwin.so](http://array.cpython-313-darwin.so/)] Error 1
ld(29971) malloc: *** error for object 0xa00a6754: pointer being freed was not allocated
*** set a breakpoint in malloc_error_break to debug
ld(29971) malloc: *** error for object 0xa00a67c4: pointer being freed was not allocated
*** set a breakpoint in malloc_error_break to debug
error: unable to open executable 'bject_path_lto'
collect2: fatal error: /usr/bin/dsymutil returned 1 exit status
compilation terminated.
make: *** [Modules/_[asyncio.cpython-313-darwin.so](http://asyncio.cpython-313-darwin.so/)] Error 1
@iains
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iains commented Apr 12, 2025

what OS version?
and what xtools version?

error: unable to open executable 'bject_path_lto'
collect2: fatal error: /usr/bin/dsymutil returned 1 exit status

seems to suggest that the program reporting the problem is dsymutil

@barracuda156
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barracuda156 commented Apr 12, 2025 •
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This is 10.6.8 (ppc, but arch should be irrelevant). Wonder why it uses dsymutil from system prefix. I can try using the one from LLVM 7.1.1.
I tried with xtools 1.1.0 and 3.3.0.

@iains
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iains commented Apr 12, 2025

-Wl,-object_path_lto,"Modules/_[contextvars.cpython-313-darwin.so](http://contextvars.cpython-313-darwin.so/)".lto

looks weird to me - AFAIK that should be a path in your build.

@barracuda156
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-Wl,-object_path_lto,"Modules/_[contextvars.cpython-313-darwin.so](http://contextvars.cpython-313-darwin.so/)".lto

looks weird to me - AFAIK that should be a path in your build.

I think so, but this is what Python build system does. It is not something I messed with manually. I can check how it looks on x86 with clang.

@iains
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iains commented Apr 13, 2025

I have just pushed https://github.com/iains/darwin-xtools/tree/darwin-xtools-0-7-0p0 - prerelease. I would recommend using that on 10.5 .. 10.8 and strongly recommend using it for any powerpc/powerpc64 stuff.

@barracuda156
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@iains Thank you very much! I will try that and, provided no issues emerge, will switch to this version by default.

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