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-rw-r--r--Tests/CustomCommand/check_mark.cmake5
1 files changed, 5 insertions, 0 deletions
diff --git a/Tests/CustomCommand/check_mark.cmake b/Tests/CustomCommand/check_mark.cmake
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index 000000000..8b0551f83
--- /dev/null
+++ b/Tests/CustomCommand/check_mark.cmake
@@ -0,0 +1,5 @@
+IF(EXISTS "${MARK_FILE}")
+ MESSAGE(FATAL_ERROR "Custom command run more than once!")
+ELSE(EXISTS "${MARK_FILE}")
+ FILE(WRITE "${MARK_FILE}" "check for running custom command twice\n")
+ENDIF(EXISTS "${MARK_FILE}")