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import os
import re

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# Testsuite configuration setup for GHC
#
# This file is Python source
#
config.compiler_type         = 'ghc'
config.compiler              = 'ghc'
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config.compiler_always_flags = ghc_compiler_always_flags.split()
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config.hp2ps                 = 'hp2ps'
config.hpc                   = 'hpc'
config.gs                    = 'gs'
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config.confdir               = '.'

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# By default, we test the 'normal', 'opt' and 'hpc' ways.
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# 'optasm' is added by mk/test.mk if the compiler has a native code gen,
# 'prof'   is added by mk/test.mk if the profiling way is enabled.
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config.compile_ways       = ['normal', 'hpc']
config.run_ways           = ['normal', 'hpc']
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# ways that are not enabled by default, but can always be invoked explicitly
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config.other_ways         = ['extcore','optextcore',
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                             'prof',
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                             'prof_hc_hb','prof_hb',
                             'prof_hd','prof_hy','prof_hr',
                             'threaded1_ls', 'threaded2_hT',
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                             'llvm', 'debugllvm',
                             'profllvm', 'profoptllvm', 'profthreadedllvm',
                             'threaded1llvm', 'threaded2llvm',
                             'dynllvm']
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if (ghc_with_native_codegen == 1):
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    config.compile_ways.append('optasm')
    config.run_ways.append('optasm')
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config.compiler_debugged = ghc_debugged

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if (ghc_with_vanilla == 1):
    config.have_vanilla = True

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if (ghc_with_dynamic == 1):
    config.have_dynamic = True

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if (ghc_with_profiling == 1):
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    config.have_profiling = True
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    config.compile_ways.append('profasm')
    config.run_ways.append('profasm')
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if (ghc_with_interpreter == 1):
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    config.have_interp = True
    config.run_ways.append('ghci')
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config.unregisterised = (ghc_unregisterised == 1)

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if (ghc_with_threaded_rts == 1):
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    config.run_ways.append('threaded1')
    if (ghc_with_smp == 1):
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        config.have_smp = True
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        config.run_ways.append('threaded2')
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if (ghc_with_dynamic_rts == 1):
    config.have_shared_libs = True

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config.ghc_dynamic_by_default = ghc_dynamic_by_default
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if ghc_dynamic_by_default and ghc_with_vanilla == 1:
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    config.run_ways.append('static')
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else:
    if (ghc_with_dynamic_rts == 1):
        config.run_ways.append('dyn')
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if (ghc_with_profiling == 1 and ghc_with_threaded_rts == 1):
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    config.run_ways.append('profthreaded')
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if (ghc_with_llvm == 1):
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    config.compile_ways.append('optllvm')
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    config.run_ways.append('optllvm')
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config.in_tree_compiler = in_tree_compiler
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config.clean_only       = clean_only
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config.way_flags = lambda name : {
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    'normal'       : [],
    'g1'           : [],
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    'optasm'       : ['-O', '-fasm'],
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    'llvm'         : ['-fllvm'],
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    'optllvm'      : ['-O', '-fllvm'],
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    'debugllvm'    : ['-fllvm', '-keep-llvm-files'],
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    'prof'         : ['-prof', '-static', '-auto-all', '-fasm'],
    'profasm'      : ['-O', '-prof', '-static', '-auto-all'],
    'profthreaded' : ['-O', '-prof', '-static', '-auto-all', '-threaded'],
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    'ghci'         : ['--interactive', '-v0', '-ignore-dot-ghci', '+RTS', '-I0.1', '-RTS'],
    'extcore'      : ['-fext-core'],
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    'optextcore'   : ['-O', '-fext-core'],
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    'threaded1'    : ['-threaded', '-debug'],
    'threaded1_ls' : ['-threaded', '-debug'],
    'threaded2'    : ['-O', '-threaded', '-eventlog'],
    'threaded2_hT' : ['-O', '-threaded'],
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    'hpc'          : ['-O', '-fhpc', '-hpcdir', '.hpc.' + name ],
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    'prof_hc_hb'   : ['-O', '-prof', '-static', '-auto-all'],
    'prof_hb'      : ['-O', '-prof', '-static', '-auto-all'],
    'prof_hd'      : ['-O', '-prof', '-static', '-auto-all'],
    'prof_hy'      : ['-O', '-prof', '-static', '-auto-all'],
    'prof_hr'      : ['-O', '-prof', '-static', '-auto-all'],
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    'dyn'          : ['-O', '-dynamic'],
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    'static'       : ['-O', '-static'],
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    # llvm variants...
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    'profllvm'         : ['-prof', '-static', '-auto-all', '-fllvm'],
    'profoptllvm'      : ['-O', '-prof', '-static', '-auto-all', '-fllvm'],
    'profthreadedllvm' : ['-O', '-prof', '-static', '-auto-all', '-threaded', '-fllvm'],
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    'threaded1llvm'    : ['-threaded', '-debug', '-fllvm'],
    'threaded2llvm'    : ['-O', '-threaded', '-eventlog', '-fllvm'],
    'dynllvm'          : ['-O', '-dynamic', '-fllvm']
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   }
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config.way_rts_flags = { 
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    'normal'       : [],
    'g1'           : ['-G1'],
    'optasm'       : [],
    'llvm'         : [],
    'optllvm'      : [],
    'debugllvm'    : [],
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    'prof'         : ['-p'],
    'profasm'      : ['-hc', '-p'], # test heap profiling too
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    'profthreaded' : ['-p'],
    'ghci'         : [],
    'extcore'      : [],
    'optextcore'   : [],
    'threaded1'    : [],
    'threaded1_ls' : ['-ls'],
    'threaded2'    : ['-N2 -ls'],
    'threaded2_hT' : ['-N2', '-hT'],
    'hpc'          : [],
    'prof_hc_hb'   : ['-hc -hbvoid'],
    'prof_hb'      : ['-hb'],
    'prof_hd'      : ['-hd'],
    'prof_hy'      : ['-hy'],
    'prof_hr'      : ['-hr'],
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    'dyn'          : [],
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    'static'       : [],
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    # llvm variants...
    'profllvm'         : ['-p'],
    'profoptllvm'      : ['-hc', '-p'],
    'profthreadedllvm' : ['-p'],
    'threaded1llvm'    : [],
    'threaded2llvm'    : ['-N2 -ls'],
    'dynllvm'          : []
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   }
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# Useful classes of ways that can be used with only_ways() and
# expect_broken_for().
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prof_ways = map (lambda x: x[0], \
                 filter(lambda x: '-prof' in x[1], \
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                        config.way_flags('dummy_name').items()))
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threaded_ways = map (lambda x: x[0], \
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                 filter(lambda x: '-threaded' in x[1] or 'ghci' == x[0], \
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                        config.way_flags('dummy_name').items()))
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opt_ways = map (lambda x: x[0], \
                 filter(lambda x: '-O' in x[1], \
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                        config.way_flags('dummy_name').items()))
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def get_compiler_info():
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# This should really not go through the shell
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    h = os.popen('"' + config.compiler + '" --info', 'r')
    s = h.read()
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    s = re.sub('[\r\n]', '', s)
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    h.close()
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    compilerInfoDict = dict(eval(s))
    h = os.popen('"' + config.compiler + '" +RTS --info', 'r')
    s = h.read()
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    s = re.sub('[\r\n]', '', s)
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    h.close()
    rtsInfoDict = dict(eval(s))

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    # We use a '/'-separated path for libdir, even on Windows
    config.libdir = re.sub('\\\\','/',compilerInfoDict['LibDir'])

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    v = compilerInfoDict["Project version"].split('-')
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    config.compiler_version = v[0]
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    config.compiler_maj_version = re.sub('^([0-9]+\.[0-9]+).*',r'\1', v[0])
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    config.compiler_tags = v[1:]
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    # -fno-ghci-history was added in 7.3
    if version_ge(config.compiler_version, '7.3'):
       config.compiler_always_flags = \
          config.compiler_always_flags + ['-fno-ghci-history']

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    if re.match(".*_p(_.*|$)", rtsInfoDict["RTS way"]):
        config.compiler_profiled = True
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        config.run_ways = filter(lambda x: x != 'ghci', config.run_ways)
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    else:
        config.compiler_profiled = False

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    try:
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        config.package_conf_cache_file = compilerInfoDict["Global Package DB"] + '/package.cache'
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    except:
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        config.package_conf_cache_file = ''
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