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4e95ed4f4d
Perf build auto-detects features and packages already installed for its build. This is done in directory tools/build/feature. This directory contains small sample programs. When they successfully compile the necessary prereqs in form of libraries and header files are present. Such a check is also done for llvm and clang. And the checks fail. Fix this and update to the latest C++ standard and use the new library provided by clang (which contains new packaging) s/ee this link for reference: https://fedoraproject.org/wiki/Changes/Stop-Shipping-Individual-Component-Libraries-In-clang-lib-Package Output before: # rm -f ./test-clang.bin; make test-clang.bin; ./test-clang.bin; \ ll test-clang.make.output g++ -MD -Wall -Werror -o test-clang.bin test-clang.cpp \ > test-clang.make.output 2>&1 -std=gnu++14 \ -I/usr/include \ -L/usr/lib64 \ -Wl,--start-group -lclangBasic -lclangDriver \ -lclangFrontend -lclangEdit -lclangLex \ -lclangAST -Wl,--end-group \ -lLLVM-16 \ \ > test-clang.make.output 2>&1 make: *** [Makefile:356: test-clang.bin] Error 1 -bash: ./test-clang.bin: No such file or directory -rw-r--r--. 1 root root 252041 Jul 12 09:56 test-clang.make.output # File test-clang.make.output contains many lines of unreferenced symbols. Output after: # rm -f ./test-clang.bin; make test-clang.bin; ./test-clang.bin; \ cat test-clang.make.output g++ -MD -Wall -Werror -o test-clang.bin test-clang.cpp \ > test-clang.make.output 2>&1 -std=gnu++17 \ -I/usr/include \ -L/usr/lib64 \ -Wl,--start-group -lclang-cpp -Wl,--end-group \ -lLLVM-16 \ \ > test-clang.make.output 2>&1 # Committer notes: Test it in the tools/build/feature directory, and have clang-devel and llvm-devel installed. Signed-off-by: Thomas Richter <tmricht@linux.ibm.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Heiko Carstens <hca@linux.ibm.com> Cc: Ian Rogers <irogers@google.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Sumanth Korikkar <sumanthk@linux.ibm.com> Cc: Sven Schnelle <svens@linux.ibm.com> Cc: Vasily Gorbik <gor@linux.ibm.com> Cc: Wang Nan <wangnan0@huawei.com> Link: https://lore.kernel.org/r/20230725150347.3479291-1-tmricht@linux.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
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| .clang-format | ||
| .cocciconfig | ||
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| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
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| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.