From a0c613babbabf0418a4f69a5437fe4caf074a1d7 Mon Sep 17 00:00:00 2001
From: pjotrp
Date: Thu, 24 Mar 2016 12:00:00 -0500
Subject: Updated erlang by Leo

---
 gn/packages/erlang.scm | 100 +++++++++++++++++++++----------------------------
 1 file changed, 42 insertions(+), 58 deletions(-)

(limited to 'gn')

diff --git a/gn/packages/erlang.scm b/gn/packages/erlang.scm
index ebf98cf..117057b 100644
--- a/gn/packages/erlang.scm
+++ b/gn/packages/erlang.scm
@@ -22,17 +22,14 @@
   #:use-module (guix packages)
   #:use-module (guix download)
   #:use-module (guix build-system gnu)
-  #:use-module (guix build-system trivial)
-  #:use-module (gnu packages base)
-  #:use-module (gnu packages compression)
   #:use-module (gnu packages ncurses)
   #:use-module (gnu packages perl)
   #:use-module (gnu packages tls))
 
 (define-public erlang
-  ;; Keep in sync with 'erlang-manpages'!
   (package
     (name "erlang")
+    ;; When updating, remember to update the hash of erlang-manpages!
     (version "18.3")
     (source (origin
               (method url-fetch)
@@ -45,7 +42,17 @@
                 "1hy9slq9gjvwdb504dmvp6rax90isnky6chqkyq5v4ybl4lq3azx"))))
     (build-system gnu-build-system)
     (native-inputs
-     `(("perl" ,perl)))
+     `(("perl" ,perl)
+
+       ;; Erlang's documentation is distributed in a separate tarball.
+       ("erlang-manpages"
+        ,(origin
+           (method url-fetch)
+           (uri (string-append "http://erlang.org/download/otp_doc_man_"
+                               version ".tar.gz"))
+           (sha256
+            (base32
+             "1hpcr7a3dx2y9gnb53bvb4g6lyvbwigadl9s3f978s01x40f32wp"))))))
     (inputs
      `(("ncurses" ,ncurses)
        ("openssl" ,openssl)))
@@ -54,28 +61,28 @@
        (list (string-append "--with-ssl=" (assoc-ref %build-inputs "openssl")))
        #:phases
        (modify-phases %standard-phases
-	 (add-after 'patch-source-shebangs 'patch-source-env
-	   (lambda _
-	     (let ((escripts
-		    (append
-		     (find-files "." "\\.escript")
-		     (find-files "lib/stdlib/test/escript_SUITE_data/")
-		     '("erts/lib_src/utils/make_atomics_api"
-		       "erts/preloaded/src/add_abstract_code"
-		       "lib/diameter/bin/diameterc"
-		       "lib/reltool/examples/display_args"
-		       "lib/reltool/examples/mnesia_core_dump_viewer"
-		       "lib/snmp/src/compile/snmpc.src"
-		       "make/verify_runtime_dependencies"
-		       "make/emd2exml.in"))))
-	       (substitute* escripts
-		 (("/usr/bin/env") (which "env"))))))
          (add-after 'unpack 'path-to-rm
            (lambda _
              (substitute* "erts/configure"
                (("/bin/rm") (which "rm")))
              (substitute* "lib/odbc/configure"
                (("/bin/rm") (which "rm")))))
+         (add-after 'patch-source-shebangs 'patch-source-env
+           (lambda _
+             (let ((escripts
+                    (append
+                     (find-files "." "\\.escript")
+                     (find-files "lib/stdlib/test/escript_SUITE_data/")
+                     '("erts/lib_src/utils/make_atomics_api"
+                       "erts/preloaded/src/add_abstract_code"
+                       "lib/diameter/bin/diameterc"
+                       "lib/reltool/examples/display_args"
+                       "lib/reltool/examples/mnesia_core_dump_viewer"
+                       "lib/snmp/src/compile/snmpc.src"
+                       "make/verify_runtime_dependencies"
+                       "make/emd2exml.in"))))
+               (substitute* escripts
+                 (("/usr/bin/env") (which "env"))))))
          (add-before 'configure 'set-erl-top
            (lambda _
              (setenv "ERL_TOP" (getcwd))))
@@ -83,7 +90,20 @@
            ;; This only works after install.
            (lambda _
              (substitute* (string-append (assoc-ref %outputs "out") "/bin/erl")
-               (("sed") (which "sed"))))))
+               (("sed") (which "sed")))))
+         (add-after 'install 'install-doc
+           (lambda* (#:key inputs outputs #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out"))
+                    (manpages (assoc-ref inputs "erlang-manpages"))
+                    (share (string-append out "/share/")))
+             (mkdir-p share)
+             (with-directory-excursion share
+               (and
+                 (zero? (system* "tar" "xvf" manpages))
+                 ;; Delete superfluous files.
+                 (for-each delete-file '("COPYRIGHT"
+                                         "PR.template"
+                                         "README"))))))))
        #:test-target "release_tests"))
     (home-page "http://erlang.org/")
     (synopsis "The Erlang programming language")
@@ -94,39 +114,3 @@ availability.  Some of its uses are in telecoms, banking, e-commerce,
 computer telephony and instant messaging.  Erlang's runtime system has
 built-in support for concurrency, distribution and fault tolerance.")
     (license license:asl2.0)))
-
-(define-public erlang-manpages
-  ;; Keep in sync with 'erlang'!
-  (package
-    (name "erlang-manpages")
-    (version (package-version erlang))
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "http://erlang.org/download/otp_doc_man_"
-                                  version ".tar.gz"))
-              (sha256
-               (base32
-                "1hpcr7a3dx2y9gnb53bvb4g6lyvbwigadl9s3f978s01x40f32wp"))))
-    (build-system trivial-build-system)
-    (arguments
-     '(#:modules ((guix build utils))
-       #:builder
-       (begin
-         (use-modules (guix build utils))
-         (let* ((gz  (assoc-ref %build-inputs "gzip"))
-                (tar (assoc-ref %build-inputs "tar"))
-                (out (assoc-ref %outputs "out"))
-                (man (string-append out "/share/man")))
-           (setenv "PATH" (string-append tar "/bin:" gz "/bin"))
-           (mkdir-p man)
-           (with-directory-excursion man
-             (zero? (system* "tar" "xvf"
-                             (assoc-ref %build-inputs "source"))))
-           (delete-file (string-append man "/PR.template"))
-           (delete-file (string-append man "/README"))))))
-    (native-inputs `(("tar" ,tar)
-                     ("gzip" ,gzip)))
-    (synopsis "Man pages of Erlang")
-    (description "This provides the man pages of Erlang.")
-    (home-page (package-home-page erlang))
-    (license license:asl2.0)))
-- 
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