diff --git a/rx/CMakeLists.txt b/rx/CMakeLists.txt
index c3ac34840..258caea75 100644
--- a/rx/CMakeLists.txt
+++ b/rx/CMakeLists.txt
@@ -20,31 +20,34 @@ PRIVATE
     include/${PROJECT_NAME}
 )
 
+if (Git_FOUND)
+    execute_process(COMMAND ${GIT_EXECUTABLE} log --date=format:%Y%m%d --pretty=format:'%cd' -n 1 WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" OUTPUT_VARIABLE GIT_DATE)
 
-execute_process(COMMAND date +%+4Y%m%d OUTPUT_VARIABLE RAW_VERSION)
-string(STRIP "${RAW_VERSION}" RAW_VERSION)
+    execute_process(COMMAND ${GIT_EXECUTABLE} log --pretty=format:'%h' -n 1
+        WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
+        OUTPUT_VARIABLE GIT_REV)
 
-execute_process(COMMAND git log --date=format:%Y%m%d --pretty=format:'%cd' -n 1 WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" OUTPUT_VARIABLE GIT_DATE)
+    execute_process(
+        COMMAND ${GIT_EXECUTABLE} diff --quiet --exit-code
+        WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
+        RESULT_VARIABLE GIT_DIRTY ERROR_QUIET)
 
-execute_process(COMMAND git log --pretty=format:'%h' -n 1
-    WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
-    OUTPUT_VARIABLE GIT_REV)
+    execute_process(
+        COMMAND ${GIT_EXECUTABLE} rev-parse --abbrev-ref HEAD
+        WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
+        OUTPUT_VARIABLE GIT_BRANCH)
 
-execute_process(
-    COMMAND git diff --quiet --exit-code
-    WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
-    RESULT_VARIABLE GIT_DIRTY ERROR_QUIET)
-
-execute_process(
-    COMMAND git rev-parse --abbrev-ref HEAD
-    WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
-    OUTPUT_VARIABLE GIT_BRANCH)
-
-string(SUBSTRING ${GIT_DATE} 1 8 GIT_DATE)
-string(STRIP "${GIT_REV}" GIT_REV)
-string(SUBSTRING "${GIT_REV}" 1 7 GIT_REV)
-string(STRIP "${GIT_DIRTY}" GIT_DIRTY)
-string(STRIP "${GIT_BRANCH}" GIT_BRANCH)
+    string(SUBSTRING ${GIT_DATE} 1 8 GIT_DATE)
+    string(STRIP "${GIT_REV}" GIT_REV)
+    string(SUBSTRING "${GIT_REV}" 1 7 GIT_REV)
+    string(STRIP "${GIT_DIRTY}" GIT_DIRTY)
+    string(STRIP "${GIT_BRANCH}" GIT_BRANCH)
+else()
+    set(GIT_DATE 0)
+    set(GIT_REV 0)
+    set(RX_GIT_DIRTY 1)
+    set(RX_GIT_BRANCH Unknown)
+endif()
 
 target_compile_definitions(${PROJECT_NAME} PRIVATE
     RX_RAW_VERSION=${GIT_DATE}