ceph/src/boost/tools/build/test/generator_selection.py

   1 #!/usr/bin/python
   2
   3 # Copyright 2008, 2012 Jurko Gospodnetic
   4 # Distributed under the Boost Software License, Version 1.0.
   5 # (See accompanying file LICENSE.txt or copy at
   6 # https://www.bfgroup.xyz/b2/LICENSE.txt)
   7
   8 # Tests that generators get selected correctly.
   9 #
  10 # We do not use the internal C++-compiler CPP --> OBJ generator to avoid
  11 # problems with specific compilers or their configurations, e.g. IBM's AIX test
  12 # runner 'AIX Version 5.3 TL7 SP5 (5300-07-05-0831)' using the 'IBM XL C/C++
  13 # for AIX, V12.1 (Version: 12.01.0000.0000)' reporting errors when run with a
  14 # source file whose suffix is not '.cpp'.
  15
  16 import BoostBuild
  17
  18
  19 ###############################################################################
  20 #
  21 # test_generator_added_after_already_building_a_target_of_its_target_type()
  22 # -------------------------------------------------------------------------
  23 #
  24 ###############################################################################
  25
  26 def test_generator_added_after_already_building_a_target_of_its_target_type():
  27     """
  28       Regression test for a Boost Build bug causing it to not use a generator
  29     if it got added after already building a target of its target type.
  30
  31     """
  32     t = BoostBuild.Tester()
  33
  34     t.write("dummy.cpp", "void f() {}\n")
  35
  36     t.write("jamroot.jam", """\
  37 import common ;
  38 import generators ;
  39 import type ;
  40 type.register MY_OBJ : my_obj ;
  41 generators.register-standard common.copy : CPP : MY_OBJ ;
  42
  43 # Building this dummy target must not cause a later defined CPP target type
  44 # generator not to be recognized as viable.
  45 my-obj dummy : dummy.cpp ;
  46 alias the-other-obj : Other//other-obj ;
  47 """)
  48
  49     t.write("Other/source.extension", "A dummy source file.")
  50
  51     t.write("Other/mygen.jam", """\
  52 import common ;
  53 import generators ;
  54 import type ;
  55 type.register MY_TYPE : extension ;
  56 generators.register-standard $(__name__).generate-a-cpp-file : MY_TYPE : CPP ;
  57 rule generate-a-cpp-file { ECHO Generating a CPP file... ; }
  58 CREATE-FILE = [ common.file-creation-command ] ;
  59 actions generate-a-cpp-file { $(CREATE-FILE) "$(<)" }
  60 """)
  61
  62     t.write("Other/mygen.py", """\
  63 from __future__ import print_function
  64 import b2.build.generators as generators
  65 import b2.build.type as type
  66
  67 from b2.manager import get_manager
  68
  69 import os
  70
  71 type.register('MY_TYPE', ['extension'])
  72 generators.register_standard('mygen.generate-a-cpp-file', ['MY_TYPE'], ['CPP'])
  73 if os.name == 'nt':
  74     action = 'echo void g() {} > "$(<)"'
  75 else:
  76     action = 'echo "void g() {}" > "$(<)"'
  77 def f(*args):
  78     print("Generating a CPP file...")
  79
  80 get_manager().engine().register_action("mygen.generate-a-cpp-file", action,
  81     function=f)
  82 """)
  83
  84     t.write("Other/jamfile.jam", """\
  85 import mygen ;
  86 my-obj other-obj : source.extension ;
  87 """)
  88
  89     t.run_build_system()
  90     t.expect_output_lines("Generating a CPP file...")
  91     t.expect_addition("bin/dummy.my_obj")
  92     t.expect_addition("Other/bin/other-obj.cpp")
  93     t.expect_addition("Other/bin/other-obj.my_obj")
  94     t.expect_nothing_more()
  95
  96     t.cleanup()
  97
  98
  99 ###############################################################################
 100 #
 101 # test_using_a_derived_source_type_created_after_generator_already_used()
 102 # -----------------------------------------------------------------------
 103 #
 104 ###############################################################################
 105
 106 def test_using_a_derived_source_type_created_after_generator_already_used():
 107     """
 108       Regression test for a Boost Build bug causing it to not use a generator
 109     with a source type derived from one of the generator's sources but created
 110     only after already using the generateor.
 111
 112     """
 113     t = BoostBuild.Tester()
 114
 115     t.write("dummy.xxx", "Hello. My name is Peter Pan.\n")
 116
 117     t.write("jamroot.jam", """\
 118 import common ;
 119 import generators ;
 120 import type ;
 121 type.register XXX : xxx ;
 122 type.register YYY : yyy ;
 123 generators.register-standard common.copy : XXX : YYY ;
 124
 125 # Building this dummy target must not cause a later defined XXX2 target type not
 126 # to be recognized as a viable source type for building YYY targets.
 127 yyy dummy : dummy.xxx ;
 128 alias the-test-output : Other//other ;
 129 """)
 130
 131     t.write("Other/source.xxx2", "Hello. My name is Tinkerbell.\n")
 132
 133     t.write("Other/jamfile.jam", """\
 134 import type ;
 135 type.register XXX2 : xxx2 : XXX ;
 136 # We are careful not to do anything between defining our new XXX2 target type
 137 # and using the XXX --> YYY generator that could potentially cover the Boost
 138 # Build bug by clearing its internal viable source target type state.
 139 yyy other : source.xxx2 ;
 140 """)
 141
 142     t.run_build_system()
 143     t.expect_addition("bin/dummy.yyy")
 144     t.expect_addition("Other/bin/other.yyy")
 145     t.expect_nothing_more()
 146
 147     t.cleanup()
 148
 149
 150 ###############################################################################
 151 #
 152 # main()
 153 # ------
 154 #
 155 ###############################################################################
 156
 157 test_generator_added_after_already_building_a_target_of_its_target_type()
 158 test_using_a_derived_source_type_created_after_generator_already_used()