From 23da7305e8675dca4d4cada66725801349fecd9b Mon Sep 17 00:00:00 2001
From: Chris Lattner
Although makefile systems such as automake were attempted at one point, it - has become clear that the variations required by LLVM from any Makefile norm - are too many to strictly use a more limited tool. Consequently, LLVM requires + has become clear that the differences between the LLVM way of doing things and + the Makefile norm are too great to use a more limited tool. Consequently, LLVM requires simply GNU Make 3.79, a widely portably makefile processor. LLVM unabashedly makes heavy use of the features of GNU Make so the dependency on GNU Make is firm. If you're not familiar with make, it is recommended that you