diff -up cmocka-1.1.0/cmake/Modules/DefineCompilerFlags.cmake.than cmocka-1.1.0/cmake/Modules/DefineCompilerFlags.cmake
--- cmocka-1.1.0/cmake/Modules/DefineCompilerFlags.cmake.than	2017-03-27 08:07:21.231279206 -0400
+++ cmocka-1.1.0/cmake/Modules/DefineCompilerFlags.cmake	2017-03-27 08:08:04.852048525 -0400
@@ -10,7 +10,7 @@ if (UNIX AND NOT WIN32)
     if (${CMAKE_C_COMPILER_ID} MATCHES "(GNU|Clang)")
 
         # add -Wconversion ?
-        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99 -pedantic -pedantic-errors")
+        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99 -fno-builtin-strcmp -pedantic -pedantic-errors")
         set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wshadow -Wmissing-prototypes -Wdeclaration-after-statement")
         set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wunused -Wfloat-equal -Wpointer-arith -Wwrite-strings -Wformat-security")
         set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wmissing-format-attribute -Wundef")