[bug#57675] [PATCH v2 1/5] gnu: Add abseil-cpp-for-webrtc-for-telegram-desktop.

[Hilton Chain]

* gnu/packages/telegram.scm (abseil-cpp-for-webrtc-for-telegram-desktop):
New variable.
---
 gnu/packages/telegram.scm | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/gnu/packages/telegram.scm b/gnu/packages/telegram.scm
index 4976acbc0c..d41ace6181 100644
--- a/gnu/packages/telegram.scm
+++ b/gnu/packages/telegram.scm
@@ -62,6 +62,7 @@ (define-module (gnu packages telegram)
   #:use-module (gnu packages xorg)
   #:use-module ((guix licenses) #:prefix license:)
   #:use-module (guix packages)
+  #:use-module (guix utils)
   #:use-module (guix git-download)
   #:use-module (guix build-system cmake)
   #:use-module (guix build-system copy)
@@ -71,6 +72,18 @@ (define-module (gnu packages telegram)
   #:use-module (guix build-system python)
   #:use-module (guix build-system qt))

+(define-public abseil-cpp-for-webrtc-for-telegram-desktop
+  (let ((base abseil-cpp))
+    ;; Abseil built with pre C++17 standards enforcing would cause a linking
+    ;; issue when building Telegram Destop. (Currently it's by default 11, and
+    ;; has changed to 14 upstream.)
+    (hidden-package
+     (package/inherit base
+       (arguments
+        (substitute-keyword-arguments (package-arguments base)
+          ((#:configure-flags flags)
+           `(cons* "-DCMAKE_CXX_STANDARD=17" ,flags))))))))
+
 (define-public webrtc-for-telegram-desktop
   (let ((commit "91d836dc84a16584c6ac52b36c04c0de504d9c34")
         (revision "166"))
--
2.37.2