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-rw-r--r--certmanager/ConfigureChecks.cmake22
1 files changed, 22 insertions, 0 deletions
diff --git a/certmanager/ConfigureChecks.cmake b/certmanager/ConfigureChecks.cmake
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+#################################################
+#
+# (C) 2010-2011 Serghei Amelian
+# serghei (DOT) amelian (AT) gmail.com
+#
+# Improvements and feedback are welcome
+#
+# This file is released under GPL >= 2
+#
+#################################################
+
+# get MAX_CMD_LENGTH
+execute_process(
+ COMMAND getconf ARG_MAX
+ OUTPUT_VARIABLE MAX_CMD_LENGTH
+ RESULT_VARIABLE _result
+ OUTPUT_STRIP_TRAILING_WHITESPACE )
+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" )
+set( MAX_CMD_LENGTH ${MAX_CMD_LENGTH} CACHE INTERNAL "" FORCE )