SPF 2.0: Clarify what makes tmp dir and sets vars

Also remove an old reference to the configuration script.

1 files changed, 7 insertions, 6 deletions

diff --git a/specs/spf-2.0/buildsys.mdwn b/specs/spf-2.0/buildsys.mdwn
index a4be5a4..a483d46 100644
--- a/specs/spf-2.0/buildsys.mdwn
+++ b/specs/spf-2.0/buildsys.mdwn
@@ -49,9 +49,10 @@ Certain environment variables (see $[sectlink][env-vars]) shall be set when the
 Build Work Area [work-area]
 ===========================
 
-When building packages, a new directory named `tmp` shall be created in the
-source package directory.  In this directory, the package source code shall be
-copied or unpacked into a directory called `src`.
+When building packages, the package building tool shall create a new directory
+named `tmp` in the source package directory.  In this directory, the package
+building tool shall copy or unpack the package source code into a directory
+called `src`.
 
 For each binary package, the `build` file (see $[sectlink][build]) must create
 within the work area `tmp` a directory named `<binpkg>.data`, where `<binpkg>`
@@ -71,9 +72,9 @@ children) shall be removed.
 Environment Variables [env-vars]
 ================================
 
-Certain environment variables shall be set to provide to the configuration
-script and build makefile information about the package and the environments in
-and for which binary packages are to be built.
+The package building tool shall set certain environment variables to provide to
+the build makefile information about the package and the environments in and for
+which binary packages are to be built.
 
 Package Variables [env-vars-pkg]
 --------------------------------