From 86addd1eaea66e86c2bf33b86394312512f9c7bd Mon Sep 17 00:00:00 2001
From: Raghav Gururajan <rg@raghavgururajan.name>
Date: Thu, 21 Jan 2021 23:23:29 -0500
Subject: [PATCH 17/18] gnu: Add tgl.

* gnu/packages/telegram.scm (tgl): New variable.
---
 gnu/packages/telegram.scm | 97 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 97 insertions(+)

diff --git a/gnu/packages/telegram.scm b/gnu/packages/telegram.scm
index baea47bd57..00efeeec39 100644
--- a/gnu/packages/telegram.scm
+++ b/gnu/packages/telegram.scm
@@ -33,10 +33,12 @@
   #:use-module (gnu packages gcc)
   #:use-module (gnu packages glib)
   #:use-module (gnu packages gnome)
+  #:use-module (gnu packages gnupg)
   #:use-module (gnu packages gtk)
   #:use-module (gnu packages image)
   #:use-module (gnu packages kde-frameworks)
   #:use-module (gnu packages language)
+  #:use-module (gnu packages libevent)
   #:use-module (gnu packages libreoffice)
   #:use-module (gnu packages linux)
   #:use-module (gnu packages lxqt)
@@ -616,3 +618,98 @@ Telegram instant messager.")
 a part of telegram-cli, but now being maintained separately.")
       (home-page "https://github.com/vysheng/tl-parser")
       (license license:gpl2+))))
+
+(define-public tgl
+  (package
+    (name "tgl")
+    (version "2.0.1")
+    (source
+     (origin
+       (method git-fetch)
+       (uri
+        (git-reference
+         (url "https://github.com/vysheng/tgl.git")
+         (commit "ffb04caca71de0cddf28cd33a4575922900a59ed")))
+       (file-name
+        (git-file-name name version))
+       (sha256
+        (base32 "0cf5s7ygslb5klg1qv9qdc3hivhspmvh3zkacyyhd2yyikb5p0f9"))))
+    (build-system gnu-build-system)
+    (arguments
+     `(#:tests? #f                      ; No target
+       #:configure-flags
+       (list
+        ;; Use gcrypt instead of openssl.
+        "--disable-openssl"
+        ;; Enable extended queries system.
+        "--enable-extf"
+        ;; Include libevent-based net and timers.
+        "--enable-libevent")
+       #:phases
+       (modify-phases %standard-phases
+         (add-after 'unpack 'trigger-bootstrap
+           (lambda _
+             (delete-file "configure")
+             #t))
+         (add-after 'trigger-bootstrap 'patch-tl-parser
+           (lambda _
+             (delete-file "Makefile.tl-parser")
+             (substitute* "Makefile.in"
+               (("include \\$\\{srcdir\\}/Makefile\\.tl-parser")
+                "")
+               (("\\$\\{EXE\\}/tl-parser")
+                "tl-parser"))
+             #t))
+         (replace 'install
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out"))
+                    (bin-to (string-append out "/bin"))
+                    (include-to (string-append out "/include"))
+                    (lib-to (string-append out "/lib"))
+                    (source (string-append (getenv "TEMP") "/source"))
+                    (bin-from (string-append source "/bin"))
+                    (lib-from (string-append source "/libs")))
+               ;; Install executables.
+               (with-directory-excursion bin-from
+                 (for-each
+                  (lambda (file)
+                    (install-file file bin-to))
+                  (list
+                   "generate")))
+               ;; Install headers.
+               (with-directory-excursion source
+                 (for-each
+                  (lambda (file)
+                    (install-file file (string-append include-to "/tgl/crypto"))
+                    (delete-file file))
+                  (find-files "crypto" "\\.h$"))
+                 (for-each
+                  (lambda (file)
+                    (install-file file (string-append include-to "/tgl/auto"))
+                    (delete-file file))
+                  (find-files "auto" "\\.h$"))
+                 (for-each
+                  (lambda (file)
+                    (install-file file (string-append include-to "/tgl"))
+                    (delete-file file))
+                  (find-files "." "\\.h$")))
+               ;; Install libraries.
+               (for-each
+                (lambda (file)
+                  (install-file file (string-append lib-to "/tgl")))
+                (find-files lib-from "\\.(a|so)$")))
+             #t)))))
+    (native-inputs
+     `(("autoconf" ,autoconf)
+       ("automake" ,automake)
+       ("libtool" ,libtool)
+       ("pkg-config" ,pkg-config)))
+    (inputs
+     `(("libevent" ,libevent)
+       ("libgcrypt" ,libgcrypt)
+       ("tl-parser" ,tl-parser)
+       ("zlib" ,zlib)))
+    (synopsis "Telegram Library")
+    (description "TGL is the telegram library for telegram-cli.")
+    (home-page "https://github.com/vysheng/tgl")
+    (license license:lgpl2.1+)))
-- 
2.30.0