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-rw-r--r--externals/nx_tzdb/NxTzdbCreateHeader.cmake4
1 files changed, 4 insertions, 0 deletions
diff --git a/externals/nx_tzdb/NxTzdbCreateHeader.cmake b/externals/nx_tzdb/NxTzdbCreateHeader.cmake
index 8c29e1167..95606d862 100644
--- a/externals/nx_tzdb/NxTzdbCreateHeader.cmake
+++ b/externals/nx_tzdb/NxTzdbCreateHeader.cmake
@@ -11,6 +11,10 @@ execute_process(
WORKING_DIRECTORY ${ZONE_PATH}
OUTPUT_VARIABLE FILE_LIST)
+if (NOT FILE_LIST)
+ message(FATAL_ERROR "No timezone files found in directory ${ZONE_PATH}, did the download fail?")
+endif()
+
set(DIRECTORY_NAME ${HEADER_NAME})
set(FILE_DATA "")