[commit: ghc] wip/angerman/llvmng: Adds a bit of documentation. (759e6b2)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : wip/angerman/llvmng
Link       : http://ghc.haskell.org/trac/ghc/changeset/759e6b295716fef86791ca0189bf28fb5556e85c/ghc

>---------------------------------------------------------------

commit 759e6b295716fef86791ca0189bf28fb5556e85c
Author: Moritz Angermann <moritz.angermann at gmail.com>
Date:   Sun Oct 22 22:01:37 2017 +0800

    Adds a bit of documentation.


>---------------------------------------------------------------

759e6b295716fef86791ca0189bf28fb5556e85c
 distrib/configure.ac.in | 10 ++++++++++
 mk/install.mk.in        |  0
 2 files changed, 10 insertions(+)

diff --git a/distrib/configure.ac.in b/distrib/configure.ac.in
index 9d3c2c4..adecf7c 100644
--- a/distrib/configure.ac.in
+++ b/distrib/configure.ac.in
@@ -1,6 +1,16 @@
 dnl
 dnl Binary distribution configure script
 dnl
+dnl This script will compute the neccessary substitutions (@...@) for
+dnl - mk/config.mk.in
+dnl - mk/install.mk.in
+dnl and if NOT cross compiling
+dnl - settings.in
+dnl
+dnl The general process is to compute a value, and then make it
+dnl available via AC_SUBST, and subsequently calling AC_CONFIG_FILES
+dnl to turn a x.in file into x.
+dnl
 #!/bin/sh
 #