format - Makefile Grammar -

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is there anywhere precise makefile grammar definition? or @ least common subset since guess there flavors. such grammar used writing parser.

gnu make manual doesn't seem precise. require guessing , trial-and-error write parser makefile based on document.

i found similar question on antlr mail list. remained unanswered kind of suggests answer...

it seems there no official grammar gnu make, , ...

it tricky write grammar make, since grammar extremely context-dependent.

as said paul d. smith in a message in gnu make mailing list. paul d. smith official maintainer of gnu make.


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