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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
message( STATUS "Checking for maximum argument 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" )
# 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 )
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