What could be the problem when make gets into a loop in sax, continuously compiling facreg.cxx?

[Tor Lillqvist]

No errors or warnings are printed. make -sr clean doesn't help. This
started happening suddenly today. This is in a cross-compilation.
ccache isn't used. (I normally do use ccache but dropped it now to see
if it would help: No...)

mymlan:sax tml$ make -sr
/Users/tml/lo/ios/sax/Library_fastsax.mk:56:
[ WARN   ] !!!
[ WARN   ] !!! sax/source/expatwrap/xml2utf is linked in by
Library/expwrap.uno.a Library/fastsax.uno.a
[ WARN   ] !!!
[ build CXX ] sax/source/fastparser/facreg.cxx
[ build DEP ] LNK:Library/fastsax.uno.a
/Users/tml/lo/ios/sax/Library_fastsax.mk:56:
[ WARN   ] !!!
[ WARN   ] !!! sax/source/expatwrap/xml2utf is linked in by
Library/expwrap.uno.a Library/fastsax.uno.a
[ WARN   ] !!!
[ build CXX ] sax/source/fastparser/facreg.cxx
[ build DEP ] LNK:Library/fastsax.uno.a
/Users/tml/lo/ios/sax/Library_fastsax.mk:56:
[ WARN   ] !!!
[ WARN   ] !!! sax/source/expatwrap/xml2utf is linked in by
Library/expwrap.uno.a Library/fastsax.uno.a
[ WARN   ] !!!
[ build CXX ] sax/source/fastparser/facreg.cxx
[ build DEP ] LNK:Library/fastsax.uno.a
/Users/tml/lo/ios/sax/Library_fastsax.mk:56:
[ WARN   ] !!!
[ WARN   ] !!! sax/source/expatwrap/xml2utf is linked in by
Library/expwrap.uno.a Library/fastsax.uno.a
[ WARN   ] !!!
[ build CXX ] sax/source/fastparser/facreg.cxx
[ build DEP ] LNK:Library/fastsax.uno.a
/Users/tml/lo/ios/sax/Library_fastsax.mk:56:
[ WARN   ] !!!
[ WARN   ] !!! sax/source/expatwrap/xml2utf is linked in by
Library/expwrap.uno.a Library/fastsax.uno.a
[ WARN   ] !!!
[ build CXX ] sax/source/fastparser/facreg.cxx
[ build DEP ] LNK:Library/fastsax.uno.a
/Users/tml/lo/ios/sax/Library_fastsax.mk:56:
[ WARN   ] !!!
[ WARN   ] !!! sax/source/expatwrap/xml2utf is linked in by
Library/expwrap.uno.a Library/fastsax.uno.a
[ WARN   ] !!!
[ build CXX ] sax/source/fastparser/facreg.cxx
^C

The output of make -dr (three rounds before interrupted) is attached...

--tml
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