1 files changed, 95 insertions, 0 deletions
diff --git a/gnu/packages/patches/telegram-desktop-unbundle-cppgir.patch b/gnu/packages/patches/telegram-desktop-unbundle-cppgir.patch
new file mode 100644
index 0000000000..a24dbe25bb
--- /dev/null
+++ b/gnu/packages/patches/telegram-desktop-unbundle-cppgir.patch
@@ -0,0 +1,95 @@
+From a5c42e07ae223d440ff11347e0cf1fd58fd383df Mon Sep 17 00:00:00 2001
+From: Nicholas Guriev <nicholas@guriev.su>
+Date: Sat, 26 Aug 2023 18:23:53 +0300
+Subject: [PATCH 1/2] Look for system-wide cppgir before fallback to the
+ bundled copy
+
+Closes: #282
+---
+ external/glib/CMakeLists.txt        | 4 +++-
+ external/glib/generate_cppgir.cmake | 7 ++++++-
+ 2 files changed, 9 insertions(+), 2 deletions(-)
+
+diff --git a/external/glib/CMakeLists.txt b/external/glib/CMakeLists.txt
+index 3c6fe4be..c862705f 100644
+--- a/external/glib/CMakeLists.txt
++++ b/external/glib/CMakeLists.txt
+@@ -13,9 +13,11 @@ function(add_cppgir) # isolate scope
+     set(BUILD_EXAMPLES OFF)
+     add_subdirectory(cppgir EXCLUDE_FROM_ALL)
+ endfunction()
+-add_cppgir()
+ 
+ include(generate_cppgir.cmake)
++if (NOT CppGir_FOUND)
++    add_cppgir()
++endif()
+ generate_cppgir(external_glib Gio-2.0)
+ 
+ find_package(PkgConfig REQUIRED)
+diff --git a/external/glib/generate_cppgir.cmake b/external/glib/generate_cppgir.cmake
+index c15d3f9e..9b0a5ac8 100644
+--- a/external/glib/generate_cppgir.cmake
++++ b/external/glib/generate_cppgir.cmake
+@@ -4,6 +4,8 @@
+ # For license and copyright information please follow this link:
+ # https://github.com/desktop-app/legal/blob/master/LEGAL
+ 
++find_package(CppGir 2.0)
++
+ function(generate_cppgir target_name gir)
+     set(cppgir_loc ${cmake_helpers_loc}/external/glib/cppgir)
+ 
+@@ -17,6 +19,9 @@ function(generate_cppgir target_name gir)
+         ${cppgir_loc}/data/cppgir.ignore
+         ${cppgir_loc}/data/cppgir_unix.ignore
+     )
++    if (CppGir_FOUND)
++        set(ignore_files)  # rely on default ignore list
++    endif()
+ 
+     set(gir_path)
+     if (IS_ABSOLUTE "${gir}")
+@@ -33,7 +38,7 @@ function(generate_cppgir target_name gir)
+         --class
+         --class-full
+         --expected
+-        --ignore
++        "$<$<BOOL:${ignore_files}>:--ignore>"
+         "$<JOIN:${ignore_files},:>"
+         --output
+         ${gen_dst}
+
+From eed39522952c15f448c54290454806dd011c4996 Mon Sep 17 00:00:00 2001
+From: Nicholas Guriev <nicholas@guriev.su>
+Date: Sat, 26 Aug 2023 18:23:53 +0300
+Subject: [PATCH 2/2] Look for system-wide cppgir before fallback to the
+ bundled copy
+
+Closes: #282
+---
+ external/glib/generate_cppgir.cmake | 11 ++++++-----
+ 1 file changed, 6 insertions(+), 5 deletions(-)
+
+diff --git a/external/glib/generate_cppgir.cmake b/external/glib/generate_cppgir.cmake
+index 9b0a5ac8..2ad82277 100644
+--- a/external/glib/generate_cppgir.cmake
++++ b/external/glib/generate_cppgir.cmake
+@@ -15,11 +15,12 @@ function(generate_cppgir target_name gir)
+ 
+     set(gen_timestamp ${gen_dst}/${target_name}_cppgir.timestamp)
+ 
+-    set(ignore_files
+-        ${cppgir_loc}/data/cppgir.ignore
+-        ${cppgir_loc}/data/cppgir_unix.ignore
+-    )
+-    if (CppGir_FOUND)
++    if (NOT CppGir_FOUND)
++        set(ignore_files
++            ${cppgir_loc}/data/cppgir.ignore
++            ${cppgir_loc}/data/cppgir_unix.ignore
++        )
++    else()
+         set(ignore_files)  # rely on default ignore list
+     endif()
+