[bug #68509] configure error message with make 4.2

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Follow-up Comment #2, bug #68509 (group octave):=0A=0Ayour guess is correct=
, make --version reports:=0A=0A=0AGNU Make 4.3=0ABuilt for x86_64-pc-linux-=
gnu=0A=0A=0A=0A=0A    _____________________________________________________=
__=0A=0AReply to this item at:=0A=0A  <https://savannah.gnu.org/bugs/?68509=
>=0A=0A_______________________________________________=0AMessage sent via S=
avannah=0Ahttps://savannah.gnu.org/=0A
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