#!/usr/bin/env python
#
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__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"

"""
Testing the gnu tool chain, i.e. the tools 'gcc', 'g++' and 'gnulink'.
"""

import TestSCons
import sys

_python_ = TestSCons._python_
_exe = TestSCons._exe

def dll(s):
    return TestSCons.dll_ + s + TestSCons._dll

test = TestSCons.TestSCons()

test.subdir('gnutools')

test.write(['gnutools','mygcc.py'], """
import getopt
import sys
cmd_opts, args = getopt.getopt(sys.argv[1:], 'f:s:co:', [])
output = None
opt_string = ''
for opt, arg in cmd_opts:
    if opt == '-o': output = open(arg, 'wb')
    else: opt_string = opt_string + ' ' + opt + arg
output.write('gcc ' + opt_string + '\\n')
for a in args:
    contents = open(a, 'rb').read()
    output.write(contents)
output.close()
sys.exit(0)
""")

test.write(['gnutools','myg++.py'], """
import getopt
import sys
cmd_opts, args = getopt.getopt(sys.argv[1:], 'f:s:co:', [])
output = None
opt_string = ''
for opt, arg in cmd_opts:
    if opt == '-o': output = open(arg, 'wb')
    else: opt_string = opt_string + ' ' + opt + arg
output.write('g++ ' + opt_string + '\\n')
for a in args:
    contents = open(a, 'rb').read()
    output.write(contents)
output.close()
sys.exit(0)
""")

test.subdir('work1')

test.write(['work1', 'cfile1.c'],"""
/* c file 1 */
""")

test.write(['work1', 'cfile2.c'],"""
/* c file 2 */
""")

test.write(['work1', 'cppfile1.cpp'],"""
/* cpp file 1 */
""")

test.write(['work1', 'cppfile2.cpp'],"""
/* cpp file 2 */
""")

mygcc_py = test.workpath('gnutools','mygcc.py')
mygxx_py = test.workpath('gnutools','myg++.py')

test.write(['work1', 'SConstruct'],"""
env = Environment(tools=['gcc','g++','gnulink'],
                  CC=r'%(_python_)s %(mygcc_py)s',
                  CXX=r'%(_python_)s %(mygxx_py)s',
                  OBJSUFFIX='.o',
                  SHOBJSUFFIX='.os')
env.Program('c-only', Split('cfile1.c cfile2.c'))
env.Program('cpp-only', Split('cppfile1.cpp cppfile2.cpp'))
env.Program('c-and-cpp', Split('cfile1.c cppfile1.cpp'))

env.SharedLibrary('c-only', Split('cfile1.c cfile2.c'))
env.SharedLibrary('cpp-only', Split('cppfile1.cpp cppfile2.cpp'))
env.SharedLibrary('c-and-cpp', Split('cfile1.c cppfile1.cpp'))
""" % locals())

test.run(chdir='work1')

def testObject(test, obj, expect):
    contents = test.read(test.workpath('work1', obj))
    line1 = contents.split('\n')[0]
    actual = ' '.join(line1.split())
    if not expect == actual:
        print("%s:  %s != %s\n" % (obj, repr(expect), repr(actual)))
        test.fail_test()

if sys.platform in ('win32', 'cygwin'):
    c_fpic = ''
else:
    c_fpic = ' -fPIC'

testObject(test, 'cfile1.o',            'gcc -c')
testObject(test, 'cfile2.o',            'gcc -c')
testObject(test, 'cppfile1.o',          'g++ -c')
testObject(test, 'cppfile2.o',          'g++ -c')
testObject(test, 'cfile1.os',           'gcc -c' + c_fpic)
testObject(test, 'cfile2.os',           'gcc -c' + c_fpic)
testObject(test, 'cppfile1.os',         'g++ -c' + c_fpic)
testObject(test, 'cppfile2.os',         'g++ -c' + c_fpic)
testObject(test, 'c-only' + _exe,       'gcc')
testObject(test, 'cpp-only' + _exe,     'g++')
testObject(test, 'c-and-cpp' + _exe,    'g++')
testObject(test, dll('c-only'),         'gcc -shared')
testObject(test, dll('cpp-only'),       'g++ -shared')
testObject(test, dll('c-and-cpp'),      'g++ -shared')

test.pass_test()

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