diff --git a/CMakeLists.txt b/CMakeLists.txt
index f7597694c..700dc56fa 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -54,5 +54,9 @@ if (${BUILD_EXAMPLES})
   MESSAGE(STATUS "Building examples is enabled")
   add_subdirectory(examples)
 endif()
+if (${BUILD_REXM})
+  MESSAGE(STATUS "Building rexm is enabled")
+  add_subdirectory(tools/rexm)
+endif()
 
 enable_testing()
diff --git a/CMakeOptions.txt b/CMakeOptions.txt
index 3c1c12742..728b7e338 100644
--- a/CMakeOptions.txt
+++ b/CMakeOptions.txt
@@ -12,6 +12,7 @@ enum_option(OPENGL_VERSION "OFF;4.3;3.3;2.1;1.1;ES 2.0;ES 3.0" "Force a specific
 
 # Configuration options
 option(BUILD_EXAMPLES "Build the examples." ${PROJECT_IS_TOP_LEVEL})
+option(BUILD_REXM "Build the rexm tool." ${PROJECT_IS_TOP_LEVEL})
 option(CUSTOMIZE_BUILD "Show options for customizing your Raylib library build." OFF)
 option(ENABLE_ASAN "Enable AddressSanitizer (ASAN) for debugging (degrades performance)" OFF)
 option(ENABLE_UBSAN "Enable UndefinedBehaviorSanitizer (UBSan) for debugging" OFF)
diff --git a/tools/rexm/CMakeLists.txt b/tools/rexm/CMakeLists.txt
new file mode 100644
index 000000000..392017a13
--- /dev/null
+++ b/tools/rexm/CMakeLists.txt
@@ -0,0 +1,3 @@
+set(rexm_source rexm.c)
+add_executable(rexm ${rexm_source})
+target_link_libraries(rexm raylib)