diff --git a/CMakeLists.txt b/CMakeLists.txt
index 728e8298e..714c5f7ae 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,6 +2,41 @@ cmake_minimum_required(VERSION 3.13)
 project(yosys LANGUAGES CXX C)
 set(YOSYS_VER "0.50+1")
 
+# features (the more the better)
+
+option(ENABLE_TCL "Enable TCL library usage" ON)
+option(ENABLE_ABC "Enable building ABC" ON)
+option(LINK_ABC "Enable linking ABC as library" OFF)
+option(ENABLE_GLOB "Enable usage of glob.h" ON)
+option(ENABLE_PLUGINS "Enable plugins support" ON)
+option(ENABLE_READLINE "Enable readline library usage" ON)
+option(ENABLE_EDITLINE "Enable editline library usage" OFF)
+option(ENABLE_GHDL "Enable building with GHDL plugin" OFF)
+option(ENABLE_VERIFIC "Enable Verific library" OFF)
+option(ENABLE_VERIFIC_SYSTEMVERILOG "Enable Verific SystemVerilog support" ON)
+option(ENABLE_VERIFIC_VHDL "Enable Verific VHDL support" ON)
+option(ENABLE_VERIFIC_HIER_TREE "Enable Verific hierarchy tree support" ON)
+option(ENABLE_VERIFIC_YOSYSHQ_EXTENSIONS "Enable Verific YosysHQ specific extension" OFF)
+option(ENABLE_VERIFIC_EDIF "Enable Verific EDIF support " OFF)
+option(ENABLE_VERIFIC_LIBERTY "Enable Verific Liberty support" OFF)
+option(ENABLE_COVER "Enable internal coverage" ON)
+option(ENABLE_LIBYOSYS "Enable building Yosys as library" OFF)
+option(ENABLE_ZLIB "Enable zlib library usage" ON)
+
+# python wrappers
+option(ENABLE_PYOSYS "Enable building Yosys Python wrapper" OFF)
+
+# other configuration flags
+option(ENABLE_GCOV "Enable gcov build" OFF)
+option(ENABLE_GPROF "Enable profiler build" OFF)
+option(ENABLE_DEBUG "Enable debug build" OFF)
+option(ENABLE_LTO "Enable LTO build" OFF)
+option(ENABLE_CCACHE "Enable building with CCACHE" OFF)
+# sccache is not always a drop-in replacement for ccache in practice
+option(ENABLE_SCCACHE "Enable building with SCACHE" OFF)
+option(ENABLE_FUNCTIONAL_TESTS "Enable functional tests" OFF)
+
+
 list(APPEND CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
 
 include(CheckCXXCompilerFlag)
@@ -17,22 +52,68 @@ set(CMAKE_C_EXTENSIONS OFF)
 find_package(FLEX 2.6 REQUIRED)
 find_package(BISON 3.0 REQUIRED)
 find_package(Python3 3.5 REQUIRED COMPONENTS Interpreter)
-find_package(ZLIB REQUIRED)
-find_package(Readline REQUIRED)
-#find_package(Editline REQUIRED)
-find_package(TCL 8.6 REQUIRED)
 
 add_executable(yosys)
 #target_include_directories(yosys PRIVATE ${CMAKE_CURRENT_BINARY_DIR})
 #target_include_directories(yosys PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
 #target_compile_definitions(yosys PRIVATE _YOSYS_)
 include_directories(${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR})
-add_compile_definitions(_YOSYS_)
-add_compile_definitions(YOSYS_ENABLE_READLINE)
-#add_compile_definitions(YOSYS_ENABLE_EDITLINE)
 
-add_compile_definitions(YOSYS_ENABLE_TCL)
-target_include_directories(yosys PRIVATE ${TCL_INCLUDE_PATH})
+add_compile_definitions(_YOSYS_)
+
+if (ENABLE_READLINE AND ENABLE_EDITLINE)
+    message(FATAL_ERROR "Not possible to enable both ENABLE_READLINE and ENABLE_EDITLINE")
+endif()
+
+if (ENABLE_READLINE)
+    find_package(Readline REQUIRED)
+    add_compile_definitions(YOSYS_ENABLE_READLINE)
+    target_link_libraries(yosys PRIVATE ${READLINE_LIBRARY})
+endif()
+
+if (ENABLE_EDITLINE)
+    find_package(Editline REQUIRED)
+    add_compile_definitions(YOSYS_ENABLE_EDITLINE)
+    target_link_libraries(yosys PRIVATE ${EDITLINE_LIBRARY})
+endif()
+
+if (ENABLE_TCL)
+    find_package(TCL 8.6 REQUIRED)
+    add_compile_definitions(YOSYS_ENABLE_TCL)
+    target_include_directories(yosys PRIVATE ${TCL_INCLUDE_PATH})
+    target_link_libraries(yosys PRIVATE ${TCL_LIBRARY})
+endif()
+
+if (ENABLE_ZLIB)
+    find_package(ZLIB REQUIRED)
+    target_link_libraries(yosys PRIVATE ZLIB::ZLIB)
+endif()
+
+if (ENABLE_COVER)
+    add_compile_definitions(YOSYS_ENABLE_COVER)
+endif()
+
+if (ENABLE_CCACHE)
+    find_program(CCACHE_FOUND ccache)
+    if (CCACHE_FOUND)
+        set(CMAKE_CXX_COMPILER_LAUNCHER ccache)
+        set(CMAKE_C_COMPILER_LAUNCHER ccache)
+        message(STATUS "Enabling ccache")
+    else()
+        message(STATUS "Failed to enabling ccache")
+    endif()
+endif ()
+
+if (ENABLE_SCCACHE)
+    find_program(SCCACHE_FOUND sccache)
+    if (SCCACHE_FOUND)
+        set(CMAKE_CXX_COMPILER_LAUNCHER sccache)
+        set(CMAKE_C_COMPILER_LAUNCHER sccache)
+        message(STATUS "Enabling sccache")
+    else()
+        message(STATUS "Failed to enabling sccache")
+    endif()
+endif ()
 
 add_subdirectory(kernel)
 add_subdirectory(libs)
@@ -101,7 +182,4 @@ add_subdirectory(techlibs/quicklogic)
 add_subdirectory(techlibs/sf2)
 add_subdirectory(techlibs/xilinx)
 
-target_link_libraries(yosys PRIVATE ZLIB::ZLIB)
-target_link_libraries(yosys PRIVATE ${READLINE_LIBRARY})
-#target_link_libraries(yosys PRIVATE ${EDITLINE_LIBRARY})
-target_link_libraries(yosys PRIVATE ${TCL_LIBRARY})
+set_property(SOURCE kernel/log.cc APPEND PROPERTY COMPILE_DEFINITIONS YOSYS_SRC="${PROJECT_SOURCE_DIR}")