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classes/base: prefer gnu-prefixed HOSTTOOLS

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Ubuntu 25.10 has changed the default coreutils implementation from GNU
coreutils to uutils/coreutils. Unfortunately this causes build problems:

  couldn't allocate absolute path for 'null'.
  tail: cannot open 'standard input' for reading: No such file or directory
  install: failed to chown '...': Invalid argument (os error 22)

Clear build failures happen in 'install' and 'tail', but there may be
further breakage.

Luckily, Ubuntu also installs GNU coreutils with a binary prefix of
'gnu', so whilst these issues are root-caused and fixed in either pseudo
or uutils we can prefer the gnu-prefixed binaries where they are present.

[ YOCTO #16028 ]

(From OE-Core rev: 16f2684ebeffa72b5d90525cf9102751b68c298e)

Signed-off-by: Ross Burton <ross.burton@arm.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Ross Burton 2025-10-29 13:03:10 +00:00 committed by Richard Purdie
parent ec985f3373
commit d5d5af8c4a
1 changed files with 5 additions and 1 deletions
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6
meta/classes-global/base.bbclass
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@ -127,7 +127,11 @@ def setup_hosttools_dir(dest, toolsvar, d, fatal=True):
# clean up dead symlink
if os.path.islink(desttool):
os.unlink(desttool)
srctool = bb.utils.which(path, tool, executable=True)
# Prefer gnu-prefixed binaries, if available
srctool = (bb.utils.which(path, "gnu" + tool, executable=True) or
bb.utils.which(path, tool, executable=True))
# gcc/g++ may link to ccache on some hosts, e.g.,
# /usr/local/bin/ccache/gcc -> /usr/bin/ccache, then which(gcc)
# would return /usr/local/bin/ccache/gcc, but what we need is