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# #####################################################################
# User configuration.
LITMUS_KERNEL = '../litmus2008'
# #####################################################################
# Internal configuration.
DEBUG_FLAGS = '-Wall -g -Wdeclaration-after-statement'
API_FLAGS = '-D_XOPEN_SOURCE=600 -D_GNU_SOURCE'
KERNEL_INCLUDE = '%s/include/' % LITMUS_KERNEL
INCLUDE_DIRS = 'include/ ' + KERNEL_INCLUDE
# #####################################################################
# Build checks.
nrSrc = """#include <linux/unistd.h>
int main(int argc, char **argv)
{
return __NR_set_rt_task_param;
}
"""
def CheckASMLink(context):
context.Message('Checking for asm/ link in kernel include/... ')
result = context.TryLink(nrSrc, '.c')
context.Result(result)
return result
# #####################################################################
# Build configuration.
from os import uname
# sanity check
(os, _, _, _, arch) = uname()
if os != 'Linux':
print 'Error: Building liblitmus is only supported on Linux.'
Exit(1)
if arch not in ('sparc64', 'i686'):
print 'Error: Building liblitmus is only supported on i686 and sparc64.'
Exit(1)
env = Environment(
CC = 'gcc',
CPPPATH = Split(INCLUDE_DIRS),
CCFLAGS = Split(DEBUG_FLAGS) + Split(API_FLAGS)
)
if arch == 'sparc64':
# build 64 bit sparc v9 binaries
v9 = Split('-mcpu=v9 -m64')
env.Append(CCFLAGS = v9, LINKFLAGS = v9)
# Check compile environment
if not env.GetOption('clean'):
# Check for kernel headers.
conf = Configure(env, custom_tests = {'CheckASMLink' : CheckASMLink})
if not conf.CheckCHeader('litmus/rt_param.h'):
print "Error: Canot find kernel headers in '%s'." % LITMUS_KERNEL
print "Please ensure that LITMUS_KERNEL in SConstruct", \
"contains a valid path."
Exit(1)
if not conf.CheckASMLink():
print "Error: The LITMUS^RT syscall numbers are not available."
print "Please ensure sure that the kernel in '%s' is configured." \
% LITMUS_KERNEL
Exit(1)
env = conf.Finish()
# link with libst
st = env.Clone(
LIBS = 'st',
LIBPATH = '.'
)
# link with liblitmus
rt = env.Clone(
LIBS = 'litmus',
LIBPATH = '.'
)
rt.Append(LINKFLAGS = '-static')
# multithreaded real-time tasks
mtrt = rt.Clone()
mtrt.Append(LINKFLAGS = '-pthread')
# #####################################################################
# Targets: liblitmus libst
# All the files in src/ are part of the library.
env.Library('litmus',
['src/kernel_iface.c', 'src/litmus.c',
'src/syscalls.c', 'src/task.c'])
env.Library('st', ['src/sched_trace.c'])
# #####################################################################
# Targets: simple tools that do not depend on liblitmus
env.Program('cycles', 'bin/cycles.c')
# #####################################################################
# Targets: tools that depend on liblitmus
rt.Program('base_task', 'bin/base_task.c')
mtrt.Program('base_mt_task', 'bin/base_mt_task.c')
rt.Program('wait_test', 'bin/wait_test.c')
rt.Program('mode_test', 'bin/mode_test.c')
rt.Program('np_test', 'bin/np_test.c')
rt.Program('rt_launch', ['bin/rt_launch.c', 'bin/common.c'])
rt.Program('rtspin', ['bin/rtspin.c', 'bin/common.c'])
rt.Program('release_ts', 'bin/release_ts.c')
st.Program('showst', 'bin/showst.c')
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