[PROTON-2492] Python module linking on recent macOS fails with clang unable to find -lssl

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: proton-c-0.36.0
• Fix Version/s: proton-c-0.37.0
• Component/s: python-binding
• Assignee: Jiri Daněk
• Reporter: Jiri Daněk
• Created: 03/Feb/22 21:04
• Updated: 07/Apr/22 17:01
• Resolved: 08/Feb/22 09:27

Description

https://app.travis-ci.com/github/apache/qpid-proton/jobs/558190020

[...]
Scanning dependencies of target py_pkg_wheel
running bdist_wheel
running build
running build_py
running build_ext
running configure
Did not find libqpid-proton-core via pkg-config: 
Building the bundled proton-c sources into the extension
Using openssl version 1.1.1m (found via pkg-config)
creating build
creating build/temp.macosx-10.15-x86_64-3.9
creating build/temp.macosx-10.15-x86_64-3.9/var
creating build/temp.macosx-10.15-x86_64-3.9/var/folders
[...]
creating build/lib.macosx-10.15-x86_64-3.9
clang -bundle -undefined dynamic_lookup -isysroot /Library/Developer/CommandLineTools/SDKs/MacOSX10.15.sdk build/temp.macosx-10.15-x86_64-3.9/cproton_wrap.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/core/log.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/core/codec.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/core/buffer.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/core/dispatcher.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/core/transport.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/core/memory.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/core/util.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/core/framing.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/core/encoder.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/core/logger.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/core/init.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/core/engine.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/core/frame_generators.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/core/error.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/core/event.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/core/types.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/core/value_dump.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/core/frame_consumers.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/core/decoder.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/core/connection_driver.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/core/autodetect.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/core/message.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/core/object/list.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/core/object/object.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/core/object/string.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/core/object/iterator.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/core/object/map.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/core/object/record.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/compiler/gcc/start.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/ssl/openssl.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/sasl/sasl.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/sasl/default_sasl.o build/temp.macosx-10.15-x86_64-3.9/Users/travis/build/apache/qpid-proton/build/python/dist/src/sasl/cyrus_sasl.o -lssl -lcrypto -lsasl2 -o build/lib.macosx-10.15-x86_64-3.9/_cproton.cpython-39-darwin.so
ld: library not found for -lssl
clang: error: linker command failed with exit code 1 (use -v to see invocation)
error: command '/usr/bin/clang' failed with exit code 1
make[2]: *** [python/CMakeFiles/py_pkg_wheel] Error 1
make[1]: *** [python/CMakeFiles/py_pkg_wheel.dir/all] Error 2
make[1]: *** Waiting for unfinished jobs....
[...]

Issue Links

• is related to: PROTON-2495 Use python builtin tls support for encrypted connections
• Testing discovered: PROTON-2494 Improve python-qpid-proton wheel build regarding pkgconfig and deps