From 584d22dece052cdd89f4fbc8032b4890e06e3c76 Mon Sep 17 00:00:00 2001
From: Michael Mandl <mandlm@molez.net>
Date: Fri, 20 Oct 2023 10:58:31 +0200
Subject: [PATCH] feat: enable sccache

---
 .nix/flake.nix      | 1 +
 CMakeLists.txt      | 1 +
 cmake/sccache.cmake | 6 ++++++
 3 files changed, 8 insertions(+)
 create mode 100644 cmake/sccache.cmake

diff --git a/.nix/flake.nix b/.nix/flake.nix
index 16172ef..8ea9b96 100644
--- a/.nix/flake.nix
+++ b/.nix/flake.nix
@@ -15,6 +15,7 @@
             # building
             gcc
             cmake
+            sccache
 
             # pre-commit
             pre-commit
diff --git a/CMakeLists.txt b/CMakeLists.txt
index dec0741..494be3f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,6 +8,7 @@ project(
 list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake")
 
 include(ExportCompileCommands)
+include(sccache)
 
 configure_file("${PROJECT_SOURCE_DIR}/include/version.h.in"
                "${PROJECT_BINARY_DIR}/include/version.h")
diff --git a/cmake/sccache.cmake b/cmake/sccache.cmake
new file mode 100644
index 0000000..52adea6
--- /dev/null
+++ b/cmake/sccache.cmake
@@ -0,0 +1,6 @@
+find_program(SCCACHE_FOUND sccache)
+
+if(SCCACHE_FOUND)
+  set(CMAKE_C_COMPILER_LAUNCHER sccache)
+  set(CMAKE_CXX_COMPILER_LAUNCHER sccache)
+endif()