31 lines
844 B
Python
31 lines
844 B
Python
#
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# SCons Largefile enablement
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#
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# Version 1.0
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# 21-Sep-2009
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#
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def enableLargeFiles(conf):
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"""Tries to enable 64-bit off_t on linux platform"""
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fseeko=conf.CheckFunc('fseeko')
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if fseeko:
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conf.env.Append(CPPFLAGS = '-DHAVE_FSEEKO')
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offt=conf.CheckTypeSize('off_t','#include <stdio.h>')
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if offt<8 and offt>0:
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flags=conf.env.Dictionary()['CPPFLAGS']
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conf.env.Append(CPPFLAGS='-D_FILE_OFFSET_BITS=64')
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offt=conf.CheckTypeSize('off_t','#include <stdio.h>')
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if offt < 8:
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env.Replace(CPPFLAGS=flags)
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else:
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if offt == 0:
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#set default value to 4
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offt=4
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conf.env.Append(CPPFLAGS = '-DSIZEOF_OFF_T='+str(offt))
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if fseeko and int(offt)>=8:
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conf.env.Append(CPPFLAGS = '-DNATIVE_LARGEFILES')
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rc=True
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else:
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rc=False
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return rc
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