Error when installing
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Assessment
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Newbie friendliness
- 25/100
- Issue type
- Bug
- Clarity
- Needs clarification
- Activity status
- Stale
- Tech stack
- arch-linux, cmake, cpp, linux
- Domain
- build-system, compilers
Research direction
Start by reproducing the Arch Linux build with cmake . && make, focusing on the diagnostics for src/passes/Strip.cpp and the enabled warning flags. Determine what change is needed so this configuration completes without treating the reported warning as an error, then verify that the build succeeds.
Written by the indexing model from the issue text.
Description
when installing using cmake on arch linux, i get this error
`[sypherrd@inferno binaryen]$ cmake . && make
-- No build type selected, default to Release
-- Building with -fno-omit-frame-pointer
-- Building with -fno-rtti
-- Building with -fPIC
-- Building with -UNDEBUG
-- Building with -DBUILD_LLVM_DWARF
-- Building with -Wall
-- Building with -Werror
-- Building with -Wextra
-- Building with -Wno-unused-parameter
-- Building with -Wno-dangling-pointer
-- Building with -Wno-implicit-int-float-conversion
-- Building with -Wno-unknown-warning-option
-- Building with -Wswitch
-- Building with -Wimplicit-fallthrough
-- Building with -Wnon-virtual-dtor
-- Building libbinaryen as shared library.
-- Linking with -Bsymbolic
-- Configuring done (0.1s)
-- Generating done (0.0s)
-- Build files have been written to: /home/sypherrd/binaryen
[ 18%] Built target llvm_dwarf
[ 19%] Building CXX object CMakeFiles/binaryen.dir/src/passes/Strip.cpp.o
In file included from /usr/include/c++/15.2.1/functional:61,
from /home/sypherrd/binaryen/src/passes/Strip.cpp:22:
In copy constructor ‘std::function<_Res(_ArgTypes ...)>::function(const std::function<_Res(_ArgTypes ...)>&) [with _Res = bool; _ArgTypes = {wasm::CustomSection&}]’,
inlined from ‘wasm::Strip::Strip(Decider)’ at /home/sypherrd/binaryen/src/passes/Strip.cpp:37:28,
inlined from ‘wasm::Pass* wasm::createStripDebugPass()’ at /home/sypherrd/binaryen/src/passes/Strip.cpp:62:4:
/usr/include/c++/15.2.1/bits/std_function.h:393:17: error: ‘’ may be used uninitialized [-Werror=maybe-uninitialized]
393 | __x._M_manager(_M_functor, __x._M_functor, __clone_functor);
| ~~~~^~~~~~~~~~
/usr/include/c++/15.2.1/bits/std_function.h: In function ‘wasm::Pass* wasm::createStripDebugPass()’:
/usr/include/c++/15.2.1/bits/std_function.h:269:7: note: by argument 2 of type ‘const std::_Any_data&’ to ‘static bool std::_Function_handler<_Res(_ArgTypes ...), _Functor>::_M_manager(std::_Any_data&, const std::_Any_data&, std::_Manager_operation) [with _Res = bool; _Functor = wasm::createStripDebugPass()::<lambda(const wasm::CustomSection&)>; _ArgTypes = {wasm::CustomSection&}]’ declared here
269 | _M_manager(_Any_data& __dest, const _Any_data& __source,
| ^~~~~~~~~~
/home/sypherrd/binaryen/src/passes/Strip.cpp:58:20: note: ‘’ declared here
58 | return new Strip([&](const CustomSection& curr) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
59 | return curr.name == BinaryConsts::CustomSections::Name ||
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
60 | curr.name == BinaryConsts::CustomSections::SourceMapUrl ||
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
61 | curr.name.find(".debug") == 0 || curr.name.find("reloc..debug") == 0;
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
62 | });
| ~
In copy constructor ‘std::function<_Res(_ArgTypes ...)>::function(const std::function<_Res(_ArgTypes ...)>&) [with _Res = bool; _ArgTypes = {wasm::CustomSection&}]’,
inlined from ‘wasm::Strip::Strip(Decider)’ at /home/sypherrd/binaryen/src/passes/Strip.cpp:37:28,
inlined from ‘wasm::Pass* wasm::createStripDWARFPass()’ at /home/sypherrd/binaryen/src/passes/Strip.cpp:68:4:
/usr/include/c++/15.2.1/bits/std_function.h:393:17: error: ‘’ may be used uninitialized [-Werror=maybe-uninitialized]
393 | __x._M_manager(_M_functor, __x._M_functor, __clone_functor);
| ~~~~^~~~~~~~~~
/usr/include/c++/15.2.1/bits/std_function.h: In function ‘wasm::Pass* wasm::createStripDWARFPass()’:
/usr/include/c++/15.2.1/bits/std_function.h:269:7: note: by argument 2 of type ‘const std::_Any_data&’ to ‘static bool std::_Function_handler<_Res(_ArgTypes ...), _Functor>::_M_manager(std::_Any_data&, const std::_Any_data&, std::_Manager_operation) [with _Res = bool; _Functor = wasm::createStripDWARFPass()::<lambda(const wasm::CustomSection&)>; _ArgTypes = {wasm::CustomSection&}]’ declared here
269 | _M_manager(_Any_data& __dest, const _Any_data& __source,
| ^~~~~~~~~~
/home/sypherrd/binaryen/src/passes/Strip.cpp:66:20: note: ‘’ declared here
66 | return new Strip([&](const CustomSection& curr) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
67 | return curr.name.find(".debug") == 0 || curr.name.find("reloc..debug") == 0;
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
68 | });
| ~
In copy constructor ‘std::function<_Res(_ArgTypes ...)>::function(const std::function<_Res(_ArgTypes ...)>&) [with _Res = bool; _ArgTypes = {wasm::CustomSection&}]’,
inlined from ‘wasm::Strip::Strip(Decider)’ at /home/sypherrd/binaryen/src/passes/Strip.cpp:37:28,
inlined from ‘wasm::Pass* wasm::createStripProducersPass()’ at /home/sypherrd/binaryen/src/passes/Strip.cpp:74:4:
/usr/include/c++/15.2.1/bits/std_function.h:393:17: error: ‘’ may be used uninitialized [-Werror=maybe-uninitialized]
393 | __x._M_manager(_M_functor, __x._M_functor, __clone_functor);
| ~~~~^~~~~~~~~~
/usr/include/c++/15.2.1/bits/std_function.h: In function ‘wasm::Pass* wasm::createStripProducersPass()’:
/usr/include/c++/15.2.1/bits/std_function.h:269:7: note: by argument 2 of type ‘const std::_Any_data&’ to ‘static bool std::_Function_handler<_Res(_ArgTypes ...), _Functor>::_M_manager(std::_Any_data&, const std::_Any_data&, std::_Manager_operation) [with _Res = bool; _Functor = wasm::createStripProducersPass()::<lambda(const wasm::CustomSection&)>; _ArgTypes = {wasm::CustomSection&}]’ declared here
269 | _M_manager(_Any_data& __dest, const _Any_data& __source,
| ^~~~~~~~~~
/home/sypherrd/binaryen/src/passes/Strip.cpp:72:20: note: ‘’ declared here
72 | return new Strip([&](const CustomSection& curr) {
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
73 | return curr.name == BinaryConsts::CustomSections::Producers;
| ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
74 | });
| ~
At global scope:
cc1plus: note: unrecognized command-line option ‘-Wno-unknown-warning-option’ may have been intended to silence earlier diagnostics
cc1plus: note: unrecognized command-line option ‘-Wno-implicit-int-float-conversion’ may have been intended to silence earlier diagnostics
cc1plus: all warnings being treated as errors
make[2]: *** [CMakeFiles/binaryen.dir/build.make:1745: CMakeFiles/binaryen.dir/src/passes/Strip.cpp.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:508: CMakeFiles/binaryen.dir/all] Error 2
make: *** [Makefile:136: all] Error 2
[sypherrd@inferno binaryen]$
`
any help would be appreciated, thanks!
- Dominant language
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