https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=214258
Bug ID: 214258
Summary: devel/openmp: spurious libm dependency
Product: Ports & Packages
Version: Latest
Hardware: Any
OS: Any
Status: New
Keywords: needs-patch
Severity: Affects Only Me
Priority: ---
Component: Individual Port(s)
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Flags: maintainer-feedback?([email protected])
Assignee: [email protected]
LLVM openmp picks up math symbols despite not using them in any of its object
files.
$ cd /usr/ports/devel/openmp
$ make install
$ cd $(make -V WRKSRC)
$ fgrep -lr scalbnl .
./runtime/src/libgomp.so
./runtime/src/libiomp5.so
./runtime/src/libomp.so
./runtime/exports/lin_32e/lib/libomp.so
$ echo 'int main() { }' | cc ./runtime/src/libomp.so -xc -
./runtime/src/libomp.so: undefined reference to `scalbnl'
./runtime/src/libomp.so: undefined reference to `fmaxl'
./runtime/src/libomp.so: undefined reference to `logbl'
./runtime/src/libomp.so: undefined reference to `scalbnf'
./runtime/src/libomp.so: undefined reference to `logb'
./runtime/src/libomp.so: undefined reference to `logbf'
./runtime/src/libomp.so: undefined reference to `scalbn'
cc: error: linker command failed with exit code 1 (use -v to see invocation)
$ echo 'int main() { }' | cc -fopenmp -L/usr/local/lib -xc -
/usr/local/lib/libomp.so: undefined reference to `scalbnl'
/usr/local/lib/libomp.so: undefined reference to `fmaxl'
/usr/local/lib/libomp.so: undefined reference to `logbl'
/usr/local/lib/libomp.so: undefined reference to `scalbnf'
/usr/local/lib/libomp.so: undefined reference to `logb'
/usr/local/lib/libomp.so: undefined reference to `logbf'
/usr/local/lib/libomp.so: undefined reference to `scalbn'
cc: error: linker command failed with exit code 1 (use -v to see invocation)
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