Commit 896d839f authored by Mikhail Glushenkov's avatar Mikhail Glushenkov
Browse files

Docs for TOOL_VERSION_*.

parent 79b34ea4
......@@ -1953,6 +1953,10 @@ the actual version of the package in use is greater than or equal to
lexicographic on the sequence, but numeric on each component, so for
example 1.2.0 is greater than 1.0.3).
Since version 1.20, there is also the `MIN_TOOL_VERSION_`_`tool`_ family of
macros for conditioning on the version of build tools used to build the program
(e.g. `hsc2hs`).
Cabal places the definitions of these macros into an
automatically-generated header file, which is included when
preprocessing Haskell source code by passing options to the C
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