diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6cfa4e4..1cad269 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -3,6 +3,8 @@
 
 enable_testing()
 
+string(REGEX MATCH "clang" CMAKE_COMPILER_IS_CLANG "${CMAKE_C_COMPILER}")
+
 if(CMAKE_COMPILER_IS_GNUCC)
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O2 -Wall -Wextra -W -Wdeclaration-after-statement")
   set(CMAKE_C_FLAGS_DEBUG "-g3 -O0")
@@ -11,6 +13,12 @@
   set(CMAKE_C_FLAGS_CHECKFULL "${CMAKE_C_FLAGS_CHECK} -Wcast-qual")
 endif(CMAKE_COMPILER_IS_GNUCC)
 
+if(CMAKE_COMPILER_IS_CLANG)
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O2 -Wall -Wextra -W -Wdeclaration-after-statement")
+  set(CMAKE_C_FLAGS_DEBUG "-g3 -O0")
+  set(CMAKE_C_FLAGS_CHECK "${CMAKE_C_FLAGS} -Wpointer-arith -Wwrite-strings -Wdocumentation -Werror")
+endif(CMAKE_COMPILER_IS_CLANG)
+
 set(CMAKE_BUILD_TYPE ${CMAKE_BUILD_TYPE}
     CACHE STRING "Choose the type of build: None Debug Release Coverage Check CheckFull"
     FORCE)