Date: Mon, 6 Apr 2026 19:07:38 +0300 From: Konstantin Belousov <kib@freebsd.org> To: Dima Panov <fluffy@freebsd.org> Cc: src-committers@freebsd.org, dev-commits-src-all@freebsd.org, dev-commits-src-main@freebsd.org, Konstantin Belousov <kib@freebsd.org> Subject: Re: git: 3a01e1e1a50c - main - msun/aarch64: convert fenv functions to proper linkage Message-ID: <adPaSi8u98pRvSeq@kib.kiev.ua> In-Reply-To: <1f2ad4f0-a4ab-4f15-a779-5f1a6db9912b@FreeBSD.org> References: <69caafbb.408c4.7b20a1e1@gitrepo.freebsd.org> <1f2ad4f0-a4ab-4f15-a779-5f1a6db9912b@FreeBSD.org>
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On Mon, Apr 06, 2026 at 06:56:36PM +0300, Dima Panov wrote: > Hello! > > This breaks most of libm consumers > > llvm/flang: > =============== > FAILED: [code=1] bin/flang-20 > : && /usr/local/libexec/ccache/c++ -O2 -pipe -fstack-protector-strong -isystem /usr/local/include -fno-strict-aliasing -isystem /usr/local/include -fPIC -fno-semantic-interposition -fvisibility-inline > s-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-s > emi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupport > ed -fdiagnostics-color -ffunction-sections -fdata-sections -Wno-deprecated-copy -Wno-string-conversion -Wno-ctad-maybe-unsupported -Wno-unused-command-line-argument -Wstring-conversion -Wcover > ed-switch-default -Wno-nested-anon-types -O2 -pipe -fstack-protector-strong -isystem /usr/local/include -fno-strict-aliasing -isystem /usr/local/include -DNDEBUG -Wl,--color-diagnostics -Wl,--expor > t-dynamic -Wl,-z,origin -Wl,--gc-sections -Xlinker --dependency-file=tools/flang/tools/flang-driver/CMakeFiles/flang.dir/link.d tools/flang/tools/flang-driver/CMakeFiles/flang.dir/driver.cpp.o tools/ > flang/tools/flang-driver/CMakeFiles/flang.dir/fc1_main.cpp.o -o bin/flang-20 -L/wrkdirs/usr/ports/devel/llvm20/work-default/.build/./lib -Wl,-rpath,"\$ORIGIN/../lib:/wrkdirs/usr/ports/devel/llvm20/work- > default/.build/./lib:/wrkdirs/usr/ports/devel/llvm20/work-default/.build/lib:" -lpthread lib/libflangFrontend.a lib/libflangFrontendTool.a lib/libFortranLower.a lib/libFortranSemantics.a lib/libFo > rtranSupport.a lib/libflangPasses.a lib/libHLFIRTransforms.a lib/libFIRTransforms.a lib/libFIROpenACCSupport.a lib/libFlangOpenMPTransforms.a lib/libFIRCodeGen.a lib/libFIRAnalysis.a lib/libFIRB > uilder.a lib/libCUFDialect.a lib/libFortranEvaluate.a lib/libFortranParser.a lib/libFortranCommon.a lib/libFortranDecimal.a lib/libFIRSupport.a lib/libHLFIRDialect.a lib/libFIRDialect.a lib/lib > FIRDialectSupport.a lib/libCUFAttrs.a lib/libclang-cpp.so.20.1 lib/libMLIR.so.20.1 lib/libLLVM.so.20.1 && : > ld: error: undefined symbol: feholdexcept This is strange. Could you show me the output of e.g. readelf --dyn_syms /lib/libm.so.5 | grep feholdexcept The best would be the output from the command like above for each missing symbol. > > > > referenced by host.cpp > > > > host.cpp.o:(Fortran::evaluate::host::HostFloatingPointEnvironment::SetUpHostFloatingPointEnvironment(Fortran::evaluate::FoldingContext&)) in archive lib/libFortranEvaluate.a > > ld: error: undefined symbol: fegetenv > > > > referenced by host.cpp > > > > host.cpp.o:(Fortran::evaluate::host::HostFloatingPointEnvironment::SetUpHostFloatingPointEnvironment(Fortran::evaluate::FoldingContext&)) in archive lib/libFortranEvaluate.a > > > > did you mean: fesetenv > > > > defined in: /usr/lib/libm.so > c++: error: linker command failed with exit code 1 (use -v to see invocation) > =============== > > All of math/py-numpy1 consumers (math/Imath for example): > =============== > -- Configuring imathnumpy module > Traceback (most recent call last): > File "/usr/local/lib/python3.11/site-packages/numpy/core/__init__.py", line 24, in <module> > from . import multiarray > File "/usr/local/lib/python3.11/site-packages/numpy/core/multiarray.py", line 10, in <module> > from . import overrides > File "/usr/local/lib/python3.11/site-packages/numpy/core/overrides.py", line 8, in <module> > from numpy.core._multiarray_umath import ( > ImportError: /usr/local/lib/python3.11/site-packages/numpy/core/_multiarray_umath.cpython-311.so: Undefined symbol "feraiseexcept" > > During handling of the above exception, another exception occurred: > > Traceback (most recent call last): > File "/usr/local/lib/python3.11/site-packages/numpy/__init__.py", line 130, in <module> > from numpy.__config__ import show as show_config > File "/usr/local/lib/python3.11/site-packages/numpy/__config__.py", line 4, in <module> > from numpy.core._multiarray_umath import ( > File "/usr/local/lib/python3.11/site-packages/numpy/core/__init__.py", line 50, in <module> > raise ImportError(msg) > ImportError: > ===============home | help
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