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

"""
Validate that $FORTRANMODDIR values get expanded correctly on Fortran
command lines relative to the appropriate subdirectory.
"""

import os

import TestSCons

_python_ = TestSCons._python_

test = TestSCons.TestSCons()

test.subdir('subdir',
            ['subdir', 'src'],
            ['subdir', 'build'])

test.write('myfortran.py', r"""
import getopt
import os
import sys
comment = ('#' + sys.argv[1]).encode()
length = len(comment)
opts, args = getopt.getopt(sys.argv[2:], 'cM:o:')
for opt, arg in opts:
    if opt == '-o': out = arg
    elif opt == '-M': modsubdir = arg
import os
infile = open(args[0], 'rb')
outfile = open(out, 'wb')
for l in infile.readlines():
    if l[:7] == b'module ':
        module = modsubdir + os.sep + l[7:-1].decode() + '.mod'
        open(module, 'wb').write(('myfortran.py wrote %s\n' % module).encode())
    if l[:length] != comment:
        outfile.write(l)
sys.exit(0)
""")

test.write('myar.py', """\
import sys
t = open(sys.argv[1], 'wb')
for s in sys.argv[2:]:
    t.write(open(s, 'rb').read())
t.close
sys.exit(0)
""")

test.write('SConstruct', """\
env = Environment(FORTRANMODDIRPREFIX = '-M',
                  FORTRANMODDIR = 'modules',
                  FORTRAN = r'%(_python_)s myfortran.py fortran',
                  AR = 'myar.py',
                  ARCOM = r'%(_python_)s $AR $TARGET $SOURCES',
                  RANLIBCOM = '')
Export('env')
objs = SConscript('subdir/SConscript')
env.Library('bidule', objs)
""" % locals())

test.write(['subdir', 'SConscript'], """\
Import('env')

env['FORTRANMODDIR'] = 'build'
sources = ['src/modfile.f']
objs = env.Object(sources)
Return("objs")
""")

test.write(['subdir', 'src', 'modfile.f'], """\
#fortran comment
module somemodule

integer :: nothing

end module
""")


test.run(arguments = '.')

somemodule = os.path.join('subdir', 'build', 'somemodule.mod')

expect = "myfortran.py wrote %s\n" % somemodule

test.must_match(['subdir', 'build', 'somemodule.mod'], expect)

test.pass_test()

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