From f8e7fdc4165afa8c54638bcc8c40da91bf7c9618 Mon Sep 17 00:00:00 2001
From: Ludovic Courtès <ludo@gnu.org>
Date: Fri, 13 Nov 2015 23:17:15 +0100
Subject: gnu: tcl: Produce 'tclIndex' files deterministically.

* gnu/packages/patches/tcl-mkindex-deterministic.patch: New patch.
* gnu/packages/tcl.scm (tcl)[source]: Use it.
* gnu-system.am (dist_patch_DATA): Add it.
---
 .../patches/tcl-mkindex-deterministic.patch        | 29 ++++++++++++++++++++++
 gnu/packages/tcl.scm                               | 16 ++++++------
 2 files changed, 37 insertions(+), 8 deletions(-)
 create mode 100644 gnu/packages/patches/tcl-mkindex-deterministic.patch

(limited to 'gnu')

diff --git a/gnu/packages/patches/tcl-mkindex-deterministic.patch b/gnu/packages/patches/tcl-mkindex-deterministic.patch
new file mode 100644
index 0000000000..2fcef6a4f7
--- /dev/null
+++ b/gnu/packages/patches/tcl-mkindex-deterministic.patch
@@ -0,0 +1,29 @@
+This patch ensures that the 'tclIndex' files generated by 'auto_mkindex'
+are sorted in a deterministic fashion.
+
+Fixes a non-determinism issue reported
+at <https://lists.gnu.org/archive/html/guix-devel/2015-10/msg00696.html>.
+
+--- tcl8.6.4/library/auto.tcl	2015-02-26 17:57:28.000000000 +0100
++++ tcl8.6.4/library/auto.tcl	2015-11-13 23:18:34.964831717 +0100
+@@ -207,6 +207,9 @@ proc auto_mkindex {dir args} {
+ 	set args *.tcl
+     }
+ 
++    # Keep file names sorted in a determistic order.
++    set args [lsort -ascii $args]
++
+     auto_mkindex_parser::init
+     foreach file [glob -- {*}$args] {
+ 	try {
+@@ -241,6 +244,10 @@ proc auto_mkindex_old {dir args} {
+     if {![llength $args]} {
+ 	set args *.tcl
+     }
++
++    # Keep file names sorted in a determistic order.
++    set args [lsort -ascii $args]
++
+     foreach file [glob -- {*}$args] {
+ 	set f ""
+ 	set error [catch {
diff --git a/gnu/packages/tcl.scm b/gnu/packages/tcl.scm
index c18b8b5112..6f6838c039 100644
--- a/gnu/packages/tcl.scm
+++ b/gnu/packages/tcl.scm
@@ -35,14 +35,14 @@
   (package
     (name "tcl")
     (version "8.6.4")
-    (source
-     (origin
-      (method url-fetch)
-      (uri (string-append "mirror://sourceforge/tcl/Tcl/"
-                          version "/tcl" version "-src.tar.gz"))
-      (sha256
-       (base32
-        "13cwa4bc85ylf5gfj9vk182lvgy60qni3f7gbxghq78wk16djvly"))))
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "mirror://sourceforge/tcl/Tcl/"
+                                  version "/tcl" version "-src.tar.gz"))
+              (sha256
+               (base32
+                "13cwa4bc85ylf5gfj9vk182lvgy60qni3f7gbxghq78wk16djvly"))
+              (patches (list (search-patch "tcl-mkindex-deterministic.patch")))))
     (build-system gnu-build-system)
     (arguments
      '(#:phases (alist-cons-before
-- 
cgit 1.4.1