Prevent infinite substitution of the empty string by forcing non- global substitution. In general it's a makefile bug to globally substitute the empty string, but it's a bug in make(1) if a bug in the makefile yields an infinite running time of make(1).
Prevent infinite substitution of the empty string by forcing non-
global substitution. In general it's a makefile bug to globally
substitute the empty string, but it's a bug in make(1) if a bug
in the makefile yields an infinite running time of make(1).

Not objected to by: arch@

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