-notmuch/comapt
+notmuch/compat
-This directory consists of two things:
+This directory consists of three things:
1. Small programs used by the notmuch configure script to test for the
availability of certain system features, (library functions, etc.).
The compilation of these files is made conditional on the output of
the test programs from [1].
+
+3. Macro definitions abstracting compiler differences (e.g. function
+ attributes).
+
+ For example: function-attributes.h