8000 build: fix '-ldl' link error on OpenBSD as dlopen lives in libc by pirmd · Pull Request #90 · irmen/pyminiaudio · GitHub
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build: fix '-ldl' link error on OpenBSD as dlopen lives in libc - #90

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irmen merged 1 commit into
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pirmd:fix-openbsd-dl-link
Oct 31, 2026
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build: fix '-ldl' link error on OpenBSD as dlopen lives in libc#90
irmen merged 1 commit into
irmen:masterfrom
pirmd:fix-openbsd-dl-link

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@pirmd
@pirmd pirmd commented Oct 14, 2026
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On OpenBSD, dlopen is available in libc, current build add -ldl flags to all posix platform leding to an error on OpenBSD :

running bdist_wheel
running build
running build_py
running build_ext
generating cffi module 'build/temp.openbsd-7.9-amd64-cpython-313/_miniaudio.c'
already up-to-date
building '_miniaudio' extension
cc -pthread -fno-strict-overflow -Wsign-compare -Wunreachable-code -DNDEBUG -O2 -pipe -g -DXML_DTD -DXML_GE=1 -fPIC -O2 -pipe -g -DXML_DTD -DXML_GE=1 -O2 -pipe -g -DXML_DTD -DXML_GE=1 -fPIC -DMA_NO_GENERATION=1 -DMA_NO_ENCODING=1 -DMA_NO_RESOURCE_MANAGER=1 -DMA_NO_NODE_GRAPH=1 -DMA_NO_ENGINE=1 -I/home/pir/devel/pyminiaudio -I/home/pir/devel/pyminiaudio -I/home/pir/.cache/uv/builds-v0/.tmpV6mRux/include -I/usr/local/include/python3.13 -c build/temp.openbsd-7.9-amd64-cpython-313/_miniaudio.c -o build/temp.openbsd-7.9-amd64-cpython-313/build/temp.openbsd-7.9-amd64-cpython-313/_miniaudio.o -g1 -O3 -ffast-math
cc -pthread -fno-strict-overflow -Wsign-compare -Wunreachable-code -DNDEBUG -O2 -pipe -g -DXML_DTD -DXML_GE=1 -fPIC -O2 -pipe -g -DXML_DTD -DXML_GE=1 -O2 -pipe -g -DXML_DTD -DXML_GE=1 -fPIC -DMA_NO_GENERATION=1 -DMA_NO_ENCODING=1 -DMA_NO_RESOURCE_MANAGER=1 -DMA_NO_NODE_GRAPH=1 -DMA_NO_ENGINE=1 -I/home/pir/devel/pyminiaudio -I/home/pir/devel/pyminiaudio -I/home/pir/.cache/uv/builds-v0/.tmpV6mRux/include -I/usr/local/include/python3.13 -c miniaudio.c -o build/temp.openbsd-7.9-amd64-cpython-313/miniaudio.o -g1 -O3 -ffast-math
cc -pthread -shared -fPIC -L/usr/local/lib/ build/temp.openbsd-7.9-amd64-cpython-313/build/temp.openbsd-7.9-amd64-cpython-313/_miniaudio.o build/temp.openbsd-7.9-amd64-cpython-313/miniaudio.o -L/usr/local/lib -lm -lpthread -ldl -o build/lib.openbsd-7.9-amd64-cpython-313/_miniaudio.abi3.so
ld: error: unable to find library -ldl
cc: error: linker command failed with exit code 1 (use -v to see invocation)
error: Command '['cc', '-pthread', '-shared', '-fPIC', '-L/usr/local/lib/', 'build/temp.openbsd-7.9-amd64-cpython-313/build/temp.openbsd-7.9-amd64-cpython-313/_miniaudio.o', 'build/temp.openbsd-7.9-amd64-cpython-313/miniaudio.o', '-L/usr/local/lib', '-lm', '-lpthread', '-ldl', '-o', 'build/lib.openbsd-7.9-amd64-cpython-313/_miniaudio.abi3.so']' returned non-zero exit status 1.
  × Failed to build `/home/pir/devel/pyminiaudio`
  ├─▶ The build backend returned an error
  ╰─▶ Call to `setuptools.build_meta.build_wheel` failed (exit status: 1)
      hint: This usually indicates a problem with the package or the build environment.

This fix check sys.platform against openbsd to prevent adding '-ldl' to libraries on this platform.

@irmen
irmen merged commit 43eac0b into irmen:master Oct 31, 2026
@irmen
irmen commented Oct 31, 2026
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thanks

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@pirmd @irmen
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