From 7a9f8027ac1aa93c5e073d4fe138414059125fa8 Mon Sep 17 00:00:00 2001
From: Juha Alanen <juha.alanen@mapbox.com>
Date: Tue, 4 Feb 2020 13:58:19 +0200
Subject: [build] Enable ccache for Xcode iOS builds

---
 CMakeLists.txt | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'CMakeLists.txt')

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e008db2117..4509f08e73 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,26 @@
 cmake_minimum_required(VERSION 3.10 FATAL_ERROR)
 project("Mapbox GL Native" LANGUAGES CXX C)
 
+find_program(CCACHE_PROGRAM ccache)
+if(CCACHE_PROGRAM AND CMAKE_SYSTEM_NAME STREQUAL "iOS")
+    # Set up wrapper scripts
+    set(C_LAUNCHER "${CCACHE_PROGRAM}")
+    set(CXX_LAUNCHER "${CCACHE_PROGRAM}")
+    configure_file(${PROJECT_SOURCE_DIR}/scripts/ci/ccache-c.in ccache-c)
+    configure_file(${PROJECT_SOURCE_DIR}/scripts/ci/ccache-cxx.in ccache-cxx)
+    execute_process(
+        COMMAND
+            chmod
+            a+rx
+            "${CMAKE_BINARY_DIR}/ccache-c"
+            "${CMAKE_BINARY_DIR}/ccache-cxx"
+    )
+
+    # Set Xcode project attributes to route compilation and linking through our scripts
+    set(CMAKE_XCODE_ATTRIBUTE_CC "${CMAKE_BINARY_DIR}/ccache-c")
+    set(CMAKE_XCODE_ATTRIBUTE_CXX "${CMAKE_BINARY_DIR}/ccache-cxx")
+endif()
+
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 set_property(GLOBAL PROPERTY PREDEFINED_TARGETS_FOLDER Core)
 
-- 
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