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-rw-r--r--certmanager/ConfigureChecks.cmake8
1 files changed, 8 insertions, 0 deletions
diff --git a/certmanager/ConfigureChecks.cmake b/certmanager/ConfigureChecks.cmake
index 6148f0561..8d8d6a256 100644
--- a/certmanager/ConfigureChecks.cmake
+++ b/certmanager/ConfigureChecks.cmake
@@ -20,5 +20,13 @@ if( _result )
tde_message_fatal( "Unable to run getconf!\n MAX_CMD_LENGTH cannot be determined." )
endif()
math( EXPR MAX_CMD_LENGTH "(${MAX_CMD_LENGTH} / 4) * 3" )
+# Work around a 64 bit bug in the CMake math function above
+if( NOT MAX_CMD_LENGTH )
+ execute_process(
+ COMMAND getconf ARG_MAX
+ OUTPUT_VARIABLE MAX_CMD_LENGTH
+ RESULT_VARIABLE _result
+ OUTPUT_STRIP_TRAILING_WHITESPACE )
+endif()
message( STATUS " found ${MAX_CMD_LENGTH}" )
set( MAX_CMD_LENGTH ${MAX_CMD_LENGTH} CACHE INTERNAL "" FORCE )