Can you please provide a way to reproduce and observe the issue? I'm somewhat confused as to what the original issue is: is dwarfsrcfiles called on an .a file? That is not an ELF file regardless of whether clang-with-lto is enabled, so why does it work in one case but not in the other?
Alex On Fri, 26 Dec 2025 at 08:36, mark.yang via lists.openembedded.org <[email protected]> wrote: > > From: "mark.yang" <[email protected]> > > When using the Clang toolchain with LTO, intermediate .o files are generated > as > LLVM bitcode files instead of ELF files. While .so libraries are ultimately > ELF, .a files are not. In this case, dwarfsrcfiles always fails. > > Adding the -ffat-lto-objects option allows the Clang toolchain to produce .o > files that are recognized as ELF, but this is not always a suitable solution > as it causes issues when used in conjunction with -fsanitize=cfi. > > Therefore, we need to handle cases where dwarfsrcfiles encounters a file that > is not a valid ELF. Change the behavior from a fatal error to a warning to > notify the user. > > Signed-off-by: mark.yang <[email protected]> > --- > meta/lib/oe/package.py | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-) > > diff --git a/meta/lib/oe/package.py b/meta/lib/oe/package.py > index baaa0cba02..56b9bcd546 100644 > --- a/meta/lib/oe/package.py > +++ b/meta/lib/oe/package.py > @@ -782,8 +782,12 @@ def source_info(file, d, fatal=True): > if retval != 0 and retval != 255: > msg = "dwarfsrcfiles failed with exit code %s (cmd was %s)%s" % > (retval, cmd, ":\n%s" % output if output else "") > if fatal: > - bb.fatal(msg) > - bb.note(msg) > + if "not a valid ELF file" in output: > + bb.warn(msg) > + else: > + bb.fatal(msg) > + else: > + bb.note(msg) > > debugsources = parse_debugsources_from_dwarfsrcfiles_output(output) > > > >
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