From ee215905206645c2fa0afbbf6217b4b74e0e51a3 Mon Sep 17 00:00:00 2001
From: Melroy van den Berg <melroy@melroy.org>
Date: Sat, 16 Dec 2023 03:17:29 +0100
Subject: [PATCH] Introduce ccache during the build. Speeds up the (re)builds!

---
 CMakeLists.txt | 6 ++++++
 README.md      | 1 +
 2 files changed, 7 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index bbf97968..1979781e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -19,6 +19,12 @@ if(UNITTEST)
   message(STATUS "Building the unit tests")
 endif()
 
+find_program(CCACHE_PROGRAM ccache)
+if(CCACHE_PROGRAM)
+  set(CMAKE_C_COMPILER_LAUNCHER "${CCACHE_PROGRAM}")
+  set(CMAKE_CXX_COMPILER_LAUNCHER "${CCACHE_PROGRAM}")
+endif()
+
 # Build docs using Doxygen
 if(DOXYGEN)
   include(Doxygen)
diff --git a/README.md b/README.md
index d912c230..1312ae9f 100644
--- a/README.md
+++ b/README.md
@@ -107,6 +107,7 @@ For the **GNU/Linux build** you need at least:
 - Ninja build system (Package: `ninja-build`)
 - Libcurl (Package: `libcurl4-openssl-dev`)
 - GTK3/Gtkmm3 (Package: `libgtkmm-3.0-dev`)
+- Ccache (optional, but much **recommended**: `ccache`)
 
 **Dependencies for testing:**