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check for locking type externalized

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This commit is contained in:
Radim Kolar 2009-07-25 14:00:30 +02:00
parent 5fcd381fd0
commit df12ca37e9
2 changed files with 53 additions and 29 deletions
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33
SConstruct
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@ -43,12 +43,14 @@ from compilertest import checkForCCOption
from prefix import checkForUserPrefix
from lockprefix import checkForLockPrefix
from clangtest import getVariableSize
from locktype import checkForLockingType
conf = Configure(env,{'checkForCCOption':checkForCCOption,
'MAINTAINER_MODE':checkForMaintainerMode,
'checkForLockPrefix':checkForLockPrefix,
'checkPrefix':checkForUserPrefix,
'sizeOf':getVariableSize
'sizeOf':getVariableSize,
'checkForLockingType':checkForLockingType
})
# check for CC options
for option in Split("""
@ -86,37 +88,10 @@ env.Append(CPPFLAGS = '-DSIZEOF_UNSIGNED='+conf.sizeOf("unsigned"))
env.Append(CPPFLAGS = '-DSIZEOF_VOID='+conf.sizeOf("void"))
env.Append(CPPFLAGS = '-DSIZEOF_OFF_T='+conf.sizeOf("off_t"))
#check for available locking methods
if not conf.CheckType("union semun", "#include <sys/types.h>\n#include <sys/ipc.h>\n#include <sys/sem.h>",'c'):
conf.env.Append(CPPFLAGS = "-D_SEM_SEMUN_UNDEFINED=1")
fun_lockf=conf.CheckFunc("lockf")
fun_semop=conf.CheckFunc("semop")
fun_shmget=conf.CheckFunc("shmget")
fun_flock=conf.CheckFunc("flock")
#select locking type
lt=ARGUMENTS.get('locking', 0) or ARGUMENTS.get("with-locking",0) or ARGUMENTS.get("lock",0) or ARGUMENTS.get("with-lock",0)
if lt == "none":
conf.env.Append(CPPFLAGS = '-DFSP_NOLOCKING')
elif lt == "lockf" and fun_lockf:
conf.env.Append(CPPFLAGS = '-DFSP_USE_LOCKF')
elif lt == "semop" and fun_semop and fun_shmget:
conf.env.Append(CPPFLAGS = '-DFSP_USE_SHAREMEM_AND_SEMOP')
elif lt == "shmget" and fun_shmget and fun_lockf:
conf.env.Append(CPPFLAGS = '-DFSP_USE_SHAREMEM_AND_LOCKF')
elif lt == "flock" and fun_flock:
conf.env.Append(CPPFLAGS = '-DFSP_USE_FLOCK')
#AUTODETECT best available locking type
elif fun_semop and fun_shmget:
conf.env.Append(CPPFLAGS = '-DFSP_USE_SHAREMEM_AND_SEMOP')
elif fun_shmget and fun_lockf:
conf.env.Append(CPPFLAGS = '-DFSP_USE_SHAREMEM_AND_LOCKF')
elif fun_lockf:
conf.env.Append(CPPFLAGS = '-DFSP_USE_LOCKF')
elif fun_flock:
conf.env.Append(CPPFLAGS = '-DFSP_USE_FLOCK')
else:
conf.env.Append(CPPFLAGS = '-DFSP_NOLOCKING')
conf.checkForLockingType(conf)
conf.checkForLockPrefix()
PREFIX=conf.checkPrefix(PREFIX)
conf.env.Append(CPPFLAGS = '-DSYSCONFDIR=\\"'+PREFIX+'/etc\\"')

49
site_scons/locktype.py Normal file
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@ -0,0 +1,49 @@
#
# SCons FSP locking type tester
#
# Version 1.0
# 20-Jul-2009
#
from SCons.Script import ARGUMENTS
def checkForLockingType(check,conf):
"""check for available locking methods"""
fun_lockf=conf.CheckFunc("lockf")
fun_semop=conf.CheckFunc("semop")
fun_shmget=conf.CheckFunc("shmget")
fun_flock=conf.CheckFunc("flock")
# select locking type
check.Message("checking for FSP locking type")
lt=ARGUMENTS.get('locking', 0) or ARGUMENTS.get("with-locking",0) or ARGUMENTS.get("lock",0) or ARGUMENTS.get("with-lock",0)
if lt == "none":
conf.env.Append(CPPFLAGS = '-DFSP_NOLOCKING')
check.Result("none")
elif lt == "lockf" and fun_lockf:
conf.env.Append(CPPFLAGS = '-DFSP_USE_LOCKF')
check.Result("lockf")
elif lt == "semop" and fun_semop and fun_shmget:
conf.env.Append(CPPFLAGS = '-DFSP_USE_SHAREMEM_AND_SEMOP')
check.Result("semop and shmget")
elif lt == "shmget" and fun_shmget and fun_lockf:
conf.env.Append(CPPFLAGS = '-DFSP_USE_SHAREMEM_AND_LOCKF')
check.Result("lockf and shmget")
elif lt == "flock" and fun_flock:
conf.env.Append(CPPFLAGS = '-DFSP_USE_FLOCK')
check.Result("flock")
# AUTODETECT best available locking type
elif fun_semop and fun_shmget:
conf.env.Append(CPPFLAGS = '-DFSP_USE_SHAREMEM_AND_SEMOP')
check.Result("semop and shmget")
elif fun_shmget and fun_lockf:
conf.env.Append(CPPFLAGS = '-DFSP_USE_SHAREMEM_AND_LOCKF')
check.Result("lockf and shmget")
elif fun_lockf:
conf.env.Append(CPPFLAGS = '-DFSP_USE_LOCKF')
check.Result("lockf")
elif fun_flock:
conf.env.Append(CPPFLAGS = '-DFSP_USE_FLOCK')
check.Result("flock")
else:
conf.env.Append(CPPFLAGS = '-DFSP_NOLOCKING')
check.Result("none")