From dd5e90a324a58b9ed281e66dbf59e31e15c8c3ef Mon Sep 17 00:00:00 2001
From: Přemysl Eric Janouch <p@janouch.name>
Date: Mon, 1 Nov 2021 08:40:07 +0100
Subject: CMakeLists.txt: update icon cache after cleanup

docs/iconcache.txt says the format is machine-independent.

It does not seem to result in any noticeable improvement.
---
 CMakeLists.txt | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'CMakeLists.txt')

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f566cd0..ddd9cfc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -324,9 +324,18 @@ elseif (WITH_GUI)
 	install (DIRECTORY ${icon_base} DESTINATION share)
 
 	install (SCRIPT cmake/Win32Cleanup.cmake)
+
+	find_program (GTK_UPDATE_ICON_CACHE_EXECUTABLE gtk-update-icon-cache)
+	if (NOT GTK_UPDATE_ICON_CACHE_EXECUTABLE)
+		message (FATAL_ERROR "gtk-update-icon-cache not found")
+	endif ()
+
 	install (CODE "execute_process (COMMAND
 		sh \"${PROJECT_SOURCE_DIR}/cmake/Win32CleanupAdwaita.sh\"
 		WORKING_DIRECTORY \${CMAKE_INSTALL_PREFIX})")
+	install (CODE " # This may speed up program start-up a little bit
+		execute_process (COMMAND \"${GTK_UPDATE_ICON_CACHE_EXECUTABLE}\"
+			\"\${CMAKE_INSTALL_PREFIX}/share/icons/Adwaita\")")
 endif ()
 
 # Do some unit tests
-- 
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