diff --git a/bin/leanc.in b/bin/leanc.in
index 788b205b11..8d18b74cd4 100644
--- a/bin/leanc.in
+++ b/bin/leanc.in
@@ -34,7 +34,7 @@ if [[ $use_c == yes ]]; then
     done
     [ -f $LEAN_CC ] || command -v $LEAN_CC || error "no suitable C compiler found!"
 
-    $LEAN_CC -D LEAN_MULTI_THREAD "-I$bindir/../src" "-I$bindir/../include" "$@" "-L$bindir" "-L$bindir/../lib" $linker_flags -lgmp @LEANC_EXTRA_FLAGS@ -Wno-unused-command-line-argument
+    @CMAKE_C_COMPILER_LAUNCHER@ $LEAN_CC -D LEAN_MULTI_THREAD "-I$bindir/../src" "-I$bindir/../include" "$@" "-L$bindir" "-L$bindir/../lib" $linker_flags -lgmp @LEANC_EXTRA_FLAGS@ -Wno-unused-command-line-argument
 else
     # Check C++ compiler
     for cxx in $LEAN_CXX @CMAKE_CXX_COMPILER@ /usr/bin/g++; do
@@ -44,5 +44,5 @@ else
     done
     [ -f $LEAN_CXX ] || command -v $LEAN_CXX || error "no suitable C++ compiler found!"
 
-    $LEAN_CXX -std=c++14 -D LEAN_MULTI_THREAD "-I$bindir/../src" "-I$bindir/../include" "$@" "-L$bindir" "-L$bindir/../lib" $linker_flags -lgmp @LEANC_EXTRA_FLAGS@ -Wno-unused-command-line-argument
+    @CMAKE_CXX_COMPILER_LAUNCHER@ $LEAN_CXX -std=c++14 -D LEAN_MULTI_THREAD "-I$bindir/../src" "-I$bindir/../include" "$@" "-L$bindir" "-L$bindir/../lib" $linker_flags -lgmp @LEANC_EXTRA_FLAGS@ -Wno-unused-command-line-argument
 fi
diff --git a/default.nix b/default.nix
index f6c8930356..849cac081e 100644
--- a/default.nix
+++ b/default.nix
@@ -1,5 +1,3 @@
 { pkgs ? import ./nix/nixpkgs.nix, llvmPackages ? pkgs.llvmPackages_9 }:
 
-# always use clang inside ccache
-let stdenv = pkgs.overrideCC pkgs.stdenv (pkgs.ccacheWrapper.override { cc = llvmPackages.clang; });
-in pkgs.callPackage ./nix/derivation.nix { inherit llvmPackages stdenv; }
+pkgs.callPackage ./nix/derivation.nix { inherit llvmPackages; }
diff --git a/nix/derivation.nix b/nix/derivation.nix
index 73333bb179..0bbb6e18a6 100644
--- a/nix/derivation.nix
+++ b/nix/derivation.nix
@@ -1,13 +1,13 @@
-{ stdenv, llvmPackages, bash, cmake, python, gmp }:
+{ llvmPackages, bash, cmake, ccache, python, gmp }:
 
-stdenv.mkDerivation rec {
+llvmPackages.stdenv.mkDerivation rec {
   name = "lean-${version}";
   version = "local";
 
   # I have way too many untracked files in my checkout
   src = if builtins.pathExists ../.git then builtins.fetchGit { url = ../.; } else ../.;
 
-  nativeBuildInputs = [ bash cmake python ];
+  nativeBuildInputs = [ bash cmake ccache python ];
   buildInputs = [ gmp llvmPackages.llvm ];
   enableParallelBuilding = true;
 
@@ -18,7 +18,7 @@ stdenv.mkDerivation rec {
     patchShebangs ../../bin
   '';
 
-  meta = with stdenv.lib; {
+  meta = with llvmPackages.stdenv.lib; {
     description = "Automatic and interactive theorem prover";
     homepage    = https://leanprover.github.io/;
     license     = licenses.asl20;
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 40a1d42240..8a84c40006 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -29,6 +29,7 @@ set(CMAKE_COLOR_MAKEFILE ON)
 enable_testing()
 
 option(MULTI_THREAD       "MULTI_THREAD"       ON)
+option(CCACHE             "use ccache"         ON)
 option(STATIC             "STATIC"             OFF)
 option(SPLIT_STACK        "SPLIT_STACK"        OFF)
 option(VM_UNCHECKED       "VM_UNCHECKED"       OFF)
@@ -378,6 +379,17 @@ if(TRACK_MEMORY_USAGE)
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D LEAN_TRACK_MEMORY")
 endif()
 
+# ccache
+if(CCACHE)
+  find_program(CCACHE_PATH ccache)
+  if(CCACHE_PATH)
+    set(CMAKE_CXX_COMPILER_LAUNCHER "${CCACHE_PATH}")
+    set(CMAKE_C_COMPILER_LAUNCHER "${CCACHE_PATH}")
+  else()
+    message(WARNING "Failed to find ccache, prepare for longer and redundant builds...")
+  endif()
+endif()
+
 # jemalloc
 if(JEMALLOC)
   find_package(Jemalloc)
@@ -519,6 +531,7 @@ if(NOT STAGE0)
     BINARY_DIR stage0
     CMAKE_ARGS
       -DSTAGE0=ON
+      -DCCACHE=${CCACHE}
       -DCHECK_OLEAN_VERSION=${CHECK_OLEAN_VERSION}
       "-DCMAKE_C_COMPILER=${CMAKE_C_COMPILER}"
       "-DCMAKE_CXX_COMPILER=${CMAKE_CXX_COMPILER}"
diff --git a/stage0/src/CMakeLists.txt b/stage0/src/CMakeLists.txt
index 40a1d42240..1045d969e6 100644
--- a/stage0/src/CMakeLists.txt
+++ b/stage0/src/CMakeLists.txt
@@ -29,6 +29,7 @@ set(CMAKE_COLOR_MAKEFILE ON)
 enable_testing()
 
 option(MULTI_THREAD       "MULTI_THREAD"       ON)
+option(CCACHE             "use ccache"         ON)
 option(STATIC             "STATIC"             OFF)
 option(SPLIT_STACK        "SPLIT_STACK"        OFF)
 option(VM_UNCHECKED       "VM_UNCHECKED"       OFF)
@@ -378,6 +379,17 @@ if(TRACK_MEMORY_USAGE)
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D LEAN_TRACK_MEMORY")
 endif()
 
+# ccache
+if(CCACHE)
+  find_program(CCACHE_PATH ccache)
+  if(CCACHE_PATH)
+    set(CMAKE_CXX_COMPILER_LAUNCHER "${CCACHE_PATH}")
+    set(CMAKE_C_COMPILER_LAUNCHER "${CCACHE_PATH}")
+  else()
+    message(WARNING "Failed to find ccache, prepare for longer and redundant builds...")
+  endif()
+endif()
+
 # jemalloc
 if(JEMALLOC)
   find_package(Jemalloc)