From 18f705beed91b660e2226f500e73cd25dbc5b850 Mon Sep 17 00:00:00 2001
From: Lars Melchior <TheLartians@users.noreply.github.com>
Date: Thu, 16 Apr 2020 10:38:40 +0200
Subject: [PATCH] add tools.cmake

---
 CMakeLists.txt      | 14 +++++++++-----
 cmake/tools.cmake   | 33 +++++++++++++++++++++++++++++++++
 test/CMakeLists.txt | 10 ----------
 3 files changed, 42 insertions(+), 15 deletions(-)
 create mode 100644 cmake/tools.cmake

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2913c6b..4750542 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -14,12 +14,9 @@ if(PROJECT_SOURCE_DIR STREQUAL PROJECT_BINARY_DIR)
     message(FATAL_ERROR "In-source builds not allowed. Please make a new directory (called a build directory) and run CMake from there.")
 endif()
 
-# ---- Add source files ----
+# --- Import tools ----
 
-# Note: globbing sources is considered bad practice as CMake's generators may not detect new files automatically.
-# Keep that in mind when changing files, or explicitly mention them here.
-FILE(GLOB_RECURSE headers CONFIGURE_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/include/*.h")
-FILE(GLOB_RECURSE sources CONFIGURE_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/source/*.cpp")
+include(cmake/tools.cmake)
 
 # ---- Add dependencies via CPM ----
 # see https://github.com/TheLartians/CPM.cmake for more info
@@ -33,6 +30,13 @@ CPMAddPackage(
   VERSION 1.0
 )
 
+# ---- Add source files ----
+
+# Note: globbing sources is considered bad practice as CMake's generators may not detect new files automatically.
+# Keep that in mind when changing files, or explicitly mention them here.
+FILE(GLOB_RECURSE headers CONFIGURE_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/include/*.h")
+FILE(GLOB_RECURSE sources CONFIGURE_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/source/*.cpp")
+
 # ---- Create library ----
 
 # Note: for header-only libraries change all PUBLIC flags to INTERFACE and create an interface target:
diff --git a/cmake/tools.cmake b/cmake/tools.cmake
new file mode 100644
index 0000000..31ec37c
--- /dev/null
+++ b/cmake/tools.cmake
@@ -0,0 +1,33 @@
+# this file contains a list of tools that can be activated and downloaded on-demand
+# each tool is enabled during configuration by passing an additional `-DUSE_<TOOL>=<VALUE>` argument to CMake
+
+# determine if a tool has already been enabled
+foreach(TOOL USE_SANITIZER;USE_CCACHE)
+  get_property(${TOOL}_ENABLED GLOBAL "" PROPERTY ${TOOL}_ENABLED SET)   
+endforeach()
+
+# enables sanitizers support using the the `USE_SANITIZER` flag
+# available values are: Address, Memory, MemoryWithOrigins, Undefined, Thread, Leak, 'Address;Undefined'
+if (USE_SANITIZER AND NOT USE_SANITIZER_ENABLED)
+  set_property(GLOBAL PROPERTY USE_SANITIZER_ENABLED true) 
+
+  CPMAddPackage(
+    NAME StableCoder-cmake-scripts
+    GITHUB_REPOSITORY StableCoder/cmake-scripts
+    GIT_TAG 3a469d8251660a97dbf9e0afff0a242965d40277
+  )
+  
+  include(${StableCoder-cmake-scripts_SOURCE_DIR}/sanitizers.cmake)
+endif()
+
+# enables CCACHE support through the USE_CCACHE flag
+# possible values are: YES, NO or equivalent
+if (USE_CCACHE AND NOT USE_CCACHE_ENABLED)
+  set_property(GLOBAL PROPERTY USE_CCACHE_ENABLED true) 
+
+  CPMAddPackage(
+    NAME Ccache.cmake
+    GITHUB_REPOSITORY TheLartians/Ccache.cmake
+    VERSION 1.1
+  )
+endif()
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index b56e38d..1b0a5e5 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -34,16 +34,6 @@ CPMAddPackage(
   VERSION 1.0
 )
 
-CPMAddPackage(
-  NAME StableCoder-cmake-scripts
-  GITHUB_REPOSITORY StableCoder/cmake-scripts
-  GIT_TAG 3a469d8251660a97dbf9e0afff0a242965d40277
-)
-
-# adds support the the `USE_SANITIZER` flag
-# available options are: Address, Memory, MemoryWithOrigins, Undefined, Thread, Leak, 'Address;Undefined'
-include(${StableCoder-cmake-scripts_SOURCE_DIR}/sanitizers.cmake)
-
 # ---- Create binary ----
 
 file(GLOB sources CONFIGURE_DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/source/*.cpp)