From: Debian Multimedia Maintainers <debian-multimedia@lists.debian.org>
Date: Wed, 16 Dec 2020 22:28:58 +0100
Subject: disable-ccache

disabled the use of ccache, to prevent FTBFS; as the compilation is done once
it has no backdraws to make the debian package.
---
 CMakeLists.txt | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

Index: supercollider/CMakeLists.txt
===================================================================
--- supercollider.orig/CMakeLists.txt
+++ supercollider/CMakeLists.txt
@@ -46,31 +46,6 @@ CONFIGURE_FILE(
   "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
   IMMEDIATE @ONLY)
 
-# workaround for using ccache with Xcode generator
-# thanks to Craig Scott: https://crascit.com/2016/04/09/using-ccache-with-cmake/
-get_property(RULE_LAUNCH_COMPILE GLOBAL PROPERTY RULE_LAUNCH_COMPILE)
-if(RULE_LAUNCH_COMPILE AND CMAKE_GENERATOR STREQUAL "Xcode")
-
-    # find ccache
-    find_program(CCACHE_PROGRAM ccache)
-
-    message(STATUS "Xcode and ccache detected: using ccache to speed up build process")
-
-    # Set up wrapper scripts
-    set(SC_LAUNCH_C_SCRIPT   "${CMAKE_BINARY_DIR}/launch-c")
-    set(SC_LAUNCH_CXX_SCRIPT "${CMAKE_BINARY_DIR}/launch-cxx")
-
-    configure_file("cmake_modules/launch-c.in"   launch-c)
-    configure_file("cmake_modules/launch-cxx.in" launch-cxx)
-    execute_process(COMMAND chmod a+rx "${SC_LAUNCH_C_SCRIPT}" "${SC_LAUNCH_CXX_SCRIPT}")
-
-    # Set Xcode project attributes to route compilation and linking
-    # through our scripts
-    set(CMAKE_XCODE_ATTRIBUTE_CC         "${SC_LAUNCH_C_SCRIPT}")
-    set(CMAKE_XCODE_ATTRIBUTE_CXX        "${SC_LAUNCH_CXX_SCRIPT}")
-    set(CMAKE_XCODE_ATTRIBUTE_LD         "${SC_LAUNCH_C_SCRIPT}")
-    set(CMAKE_XCODE_ATTRIBUTE_LDPLUSPLUS "${SC_LAUNCH_CXX_SCRIPT}")
-endif()
 
 ADD_CUSTOM_TARGET(uninstall
   "${CMAKE_COMMAND}" -P "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake")
@@ -148,38 +123,6 @@ endif()
 add_definitions(-DBOOST_CHRONO_HEADER_ONLY -DBOOST_CONFIG_SUPPRESS_OUTDATED_MESSAGE)
 
 
-#############################################
-# Detect CCache
-
-find_program(CCacheExectuable ccache)
-if( CCacheExectuable )
-  # only used with >=cmake-3.4
-  set( CMAKE_C_COMPILER_LAUNCHER   "${CCacheExectuable}" )
-  set( CMAKE_CXX_COMPILER_LAUNCHER "${CCacheExectuable}" )
-  if(NOT CMAKE_GENERATOR MATCHES "Xcode" AND (NOT CMAKE_GENERATOR MATCHES "Visual Studio")) # we already post a message when using Xcode or MSVC
-    message(STATUS "Found ccache at ${CCacheExectuable}: using ccache to speed up build process")
-  endif()
-
-  # fix for Visual Studio adapted from https://github.com/ccache/ccache/wiki/MS-Visual-Studio#usage
-  # NOTE: there is an issue with ccache installed from chocolatey
-  # since chocolatey puts a "shim" as opposed to the actual executable in the PATH
-  # the solution is to add the path to the actual ccache executable earlier in the path
-  # e.g. in bash: export PATH=`echo c:/ProgramData/chocolatey/lib/ccache/tools/ccache*`:$PATH
-  if (MSVC)
-    message(STATUS "Found ccache at ${CCacheExectuable}: using ccache with MSVC to speed up build process")
-    file(COPY_FILE
-      ${CCacheExectuable} ${CMAKE_BINARY_DIR}/cl.exe
-      ONLY_IF_DIFFERENT)
-
-    set(CMAKE_VS_GLOBALS
-      "CLToolExe=cl.exe"
-      "CLToolPath=${CMAKE_BINARY_DIR}"
-      "TrackFileAccess=false"
-      "UseMultiToolTask=true"
-      "DebugInformationFormat=OldStyle"
-    )
-  endif()
-endif()
 
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