build-systems: gnu: Export %default-gnu-imported-modules and %default-gnu-modules.

Until now users would have to cargo cult or inspect the private
%default-modules variable of (guix build-systems gnu) to discover which
modules to include when extending the used modules via the #:modules argument.

The renaming was automated via the command:

  $ git grep -l %gnu-build-system-modules
    | xargs sed 's/%gnu-build-system-modules/%default-gnu-imported-modules/' -i

* guix/build-system/gnu.scm (%gnu-build-system-modules): Rename to...
(%default-gnu-imported-modules): ... this.
(%default-modules): Rename to...
(%default-gnu-modules): ... this.  Export.
(dist-package, gnu-build, gnu-cross-build): Adjust accordingly.

Change-Id: Idef307fff13cb76f3182d782b26e1cd3a5c757ee

1 files changed, 10 insertions, 10 deletions

diff --git a/gnu/packages/emacs-xyz.scm b/gnu/packages/emacs-xyz.scm
index 8205f0eaf0..47f7a1372d 100644
--- a/gnu/packages/emacs-xyz.scm
+++ b/gnu/packages/emacs-xyz.scm
@@ -2564,7 +2564,7 @@ for editing Racket's Scribble documentation syntax in Emacs.")
      `(#:modules ((guix build gnu-build-system)
                   ((guix build emacs-build-system) #:prefix emacs:)
                   (guix build utils))
-       #:imported-modules (,@%gnu-build-system-modules
+       #:imported-modules (,@%default-gnu-imported-modules
                            (guix build emacs-build-system)
                            (guix build emacs-utils))
        #:configure-flags (list (string-append "--with-lispdir="
@@ -2675,8 +2675,8 @@ replacement.")
       #:modules `((ice-9 match)
                   (srfi srfi-26)
                   ((guix build emacs-build-system) #:prefix emacs:)
-                  ,@%gnu-build-system-modules)
-      #:imported-modules `(,@%gnu-build-system-modules
+                  ,@%default-gnu-imported-modules)
+      #:imported-modules `(,@%default-gnu-imported-modules
                            (guix build emacs-build-system)
                            (guix build emacs-utils))
       #:phases
@@ -3609,7 +3609,7 @@ or unexpected behavior inside an elisp configuration file (typically
                   ((guix build emacs-build-system) #:prefix emacs:)
                   (guix build utils)
                   (guix build emacs-utils))
-      #:imported-modules `(,@%gnu-build-system-modules
+      #:imported-modules `(,@%default-gnu-imported-modules
                            (guix build emacs-build-system)
                            (guix build emacs-utils))
       #:configure-flags
@@ -4213,7 +4213,7 @@ defined in RFC 2425 and RFC 2426 to/from The Insidious Big Brother Database
                   ((guix build emacs-build-system) #:prefix emacs:)
                   (guix build utils)
                   (guix build emacs-utils))
-      #:imported-modules `(,@%gnu-build-system-modules
+      #:imported-modules `(,@%default-gnu-imported-modules
                            (guix build emacs-build-system)
                            (guix build emacs-utils))
       #:configure-flags
@@ -4804,7 +4804,7 @@ a set of simplified face specifications and a user-supplied color palette.")
        #:modules ((guix build gnu-build-system)
                   ((guix build emacs-build-system) #:prefix emacs:)
                   (guix build utils))
-       #:imported-modules (,@%gnu-build-system-modules
+       #:imported-modules (,@%default-gnu-imported-modules
                            (guix build emacs-build-system)
                            (guix build emacs-utils))
        #:phases
@@ -5945,7 +5945,7 @@ during idle time, while Emacs is doing nothing else.")
                   ((guix build emacs-build-system) #:prefix emacs:)
                   (guix build utils)
                   (guix build emacs-utils))
-       #:imported-modules (,@%gnu-build-system-modules
+       #:imported-modules (,@%default-gnu-imported-modules
                            (guix build emacs-build-system)
                            (guix build emacs-utils))
        #:phases
@@ -6154,7 +6154,7 @@ type, for example: packages, buffers, files, etc.")
         #:modules '((guix build gnu-build-system)
                     ((guix build emacs-build-system) #:prefix emacs:)
                     (guix build utils))
-        #:imported-modules `(,@%gnu-build-system-modules
+        #:imported-modules `(,@%default-gnu-imported-modules
                              (guix build emacs-build-system)
                              (guix build emacs-utils))
         #:configure-flags
@@ -9257,7 +9257,7 @@ completion of relevant keywords.")
         #:modules `((guix build gnu-build-system)
                     ((guix build emacs-build-system) #:prefix emacs:)
                     (guix build utils))
-        #:imported-modules `(,@%gnu-build-system-modules
+        #:imported-modules `(,@%default-gnu-imported-modules
                              (guix build emacs-build-system)
                              (guix build emacs-utils))
         #:configure-flags
@@ -37777,7 +37777,7 @@ a @samp{date} keywords, and optionally, a @samp{filetags} keyword.")
        (list #:modules '((guix build gnu-build-system)
                          (guix build utils)
                          (guix build emacs-utils))
-             #:imported-modules `(,@%gnu-build-system-modules
+             #:imported-modules `(,@%default-gnu-imported-modules
                                   (guix build emacs-utils))
              #:test-target "test"
              #:phases