From c18d7941effaf60810a0891d8aa2dd9cd0170526 Mon Sep 17 00:00:00 2001
From: dundargoc <gocdundar@gmail.com>
Date: Wed, 8 May 2024 21:49:57 +0200
Subject: build: allow sccache as compiler cache

Also enable caching for dependencies.

Closes https://github.com/neovim/neovim/issues/28670
---
 cmake/Deps.cmake | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'cmake')

diff --git a/cmake/Deps.cmake b/cmake/Deps.cmake
index 0d4cb7d469..413e3a08a9 100644
--- a/cmake/Deps.cmake
+++ b/cmake/Deps.cmake
@@ -23,6 +23,12 @@ if(POLICY CMP0092)
   list(APPEND DEPS_CMAKE_ARGS -D CMAKE_POLICY_DEFAULT_CMP0092=NEW)
 endif()
 
+find_program(CACHE_PRG NAMES ccache sccache)
+if(CACHE_PRG)
+  set(CMAKE_C_COMPILER_LAUNCHER ${CMAKE_COMMAND} -E env CCACHE_SLOPPINESS=pch_defines,time_macros ${CACHE_PRG})
+  list(APPEND DEPS_CMAKE_CACHE_ARGS -DCMAKE_C_COMPILER_LAUNCHER:STRING=${CMAKE_C_COMPILER_LAUNCHER})
+endif()
+
 # MAKE_PRG
 if(UNIX)
   find_program(MAKE_PRG NAMES gmake make)
@@ -58,7 +64,8 @@ function(get_externalproject_options name DEPS_IGNORE_SHA)
 
   set(EXTERNALPROJECT_OPTIONS
     DOWNLOAD_NO_PROGRESS TRUE
-    EXTERNALPROJECT_OPTIONS URL ${${name_allcaps}_URL})
+    EXTERNALPROJECT_OPTIONS URL ${${name_allcaps}_URL}
+    CMAKE_CACHE_ARGS ${DEPS_CMAKE_CACHE_ARGS})
 
   if(NOT ${DEPS_IGNORE_SHA})
     list(APPEND EXTERNALPROJECT_OPTIONS URL_HASH SHA256=${${name_allcaps}_SHA256})
-- 
cgit