Joel Sherrill created an issue: https://gitlab.rtems.org/rtems/rtos/rtems/-/issues/5334
## Summary This issue is to answer the question of what attribution/copyright, license, and SPDX to add to files that were cherry picked from NetBSD. The following is a sample: - ./cpukit/libdl/rtl-mdreloc-arm.c - ./cpukit/libdl/rtl-mdreloc-i386.c - ./cpukit/libdl/rtl-mdreloc-m68k.c - ./cpukit/libdl/rtl-unwind-arm.c - ./cpukit/libdl/rtl-unwind-arm.h - ./cpukit/score/cpu/arm/include/machine/elf_machdep.h - ./cpukit/score/cpu/i386/include/machine/elf_machdep.h - ./cpukit/score/cpu/m68k/include/machine/elf_machdep.h - ./cpukit/score/cpu/mips/include/machine/elf_machdep.h - ./cpukit/score/cpu/moxie/include/machine/elf_machdep.h - ./cpukit/score/cpu/nios2/include/machine/elf_machdep.h - ./cpukit/score/cpu/powerpc/include/machine/elf_machdep.h - ./cpukit/score/cpu/sparc/include/machine/elf_machdep.h - ./cpukit/score/cpu/x86_64/include/machine/elf_machdep.h The elf_machdep.h may be direct copies. This will have to be confirmed. But the recommendation at the end is the same. The libdl/rtl files are more challenging. This is typical of what is at the top of one of these files: ``` /* * Taken from NetBSD and stripped of the relocations not needed on RTEMS. */ /* $NetBSD: mdreloc.c,v 1.26 2010/01/14 11:58:32 skrll Exp $ */ ``` @chris and I chatted a bit about this and he asked for a proposal Unfortunately, I think we do need to go back to the NetBSD source for each file to ensure we pick the right BSD license tag. For the above file which is rtl-reloc-arm.c in RTEMS libdl, it is libexec/ld.elf_so/arch/m68k/mdreloc.c in NetBSD. The current [version](https://github.com/NetBSD/src/blob/54994cf764b063801ddcb0afb35b358a8ad403ef/libexec/ld.elf_so/arch/m68k/mdreloc.c#L2) has had multiple updates but it is currently Four Paragraph BSD and has the following attribution: ``` * Copyright 1996 John D. Polstra. * Copyright 1996 Matt Thomas <[email protected]> * All rights reserved. ``` My suggestion requires git archaeology on the NetBSD source but it seems the right thing to do. 1. Find the current NetBSD source for each file. 2. Copy the license/copyright block into the RTEMS version. 3. Add SPDX for the license used as line 1 of the RTEMS file 4. Add a Doxygen file block which includes the CVS Id and the comment about RTEMS changes. If there are no RTEMS changes, we probably should add a note to that effect. Rinse and repeat for each file from NetBSD. ### Pre-set options -- View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/issues/5334 You're receiving this email because of your account on gitlab.rtems.org.
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