On Mon, 2019-11-04 at 21:44 +0000, Sudip Mukherjee wrote: [...] > The code for libtracevent lives in the kernel tree at > git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git in tools/lib/traceevent folder. > And so, it will be great if kernel team will like to package and maintain it, if not, then I will > be happy to do it. But, if I am doing it then I will need a sponsor to upload it. If kernel.org's kernel source repository is the canonical location for this code, not just a convenience copy, then the binary package should be built from src:linux and not a separate source package. I think src:linux already builds the library, but only as a static library that's linked into perf. I don't know exactly what changes you would need to make, but they should be roughly along these lines: 1. Add debian/rules.d/tools/lib/traceevent/Makefile with a default target that calls the upstream build system. This must build in the current directory (somewhere under debian/build) and not the source directory. It must enable printing of all build comamnds by default. 2. Define the new binary packages and their build-dependencies in debian/templates/control.tools-unversioned.in. These packages must have "Build-Profiles: <!stage1 !pkg.linux.notools>". 3. Define build-libtraceevent and install-libtraceevent targets in debian/rules.real, similarly to those for libcpupower. Add those to the dependencies of the build-arch-arch and binary-arch-arch targets, using the if_package macro to check whether the packages should be built. 4. Generate the debian/libtraceevent<soversion>.symbols file recording the shared library's exported symbols. 5. (Not sure if this is needed.) Modify debian/rules.d/tools/perf/Makefile to make perf use the shared library. Add libtraceevent<soversion> to the dependencies of linux-perf-<version> in debian/templates/control.tools-versioned.in. Ben. -- Ben Hutchings The two most common things in the universe are hydrogen and stupidity.
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