There is no /usr/.info/version file in Gentoo
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -120,10 +120,7 @@ execute_process(
 message(STATUS "hipcc version:    ${hipcc_version_string}")
 
 ## Check for ROCm version
-execute_process(
-  COMMAND         bash "-c" "cat ${ROCM_PATH}/.info/version"
-  OUTPUT_VARIABLE rocm_version_string
-)
+set(rocm_version_string "@rocm_version@")
 string(REGEX MATCH "([0-9]+)\\.([0-9]+)\\.([0-9]+)" rocm_version_matches ${rocm_version_string})
 if (rocm_version_matches)
     set(ROCM_MAJOR_VERSION ${CMAKE_MATCH_1})