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_1_0.txt or copy at
   6 # http://www.boost.org/LICENSE_1_0.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 import b2.build.generators as generators
  64 import b2.build.type as type
  65
  66 from b2.manager import get_manager
  67
  68 import os
  69
  70 type.register('MY_TYPE', ['extension'])
  71 generators.register_standard('mygen.generate-a-cpp-file', ['MY_TYPE'], ['CPP'])
  72 if os.name == 'nt':
  73     action = 'echo void g() {} > "$(<)"'
  74 else:
  75     action = 'echo "void g() {}" > "$(<)"'
  76 def f(*args):
  77     print "Generating a CPP file..."
  78
  79 get_manager().engine().register_action("mygen.generate-a-cpp-file", action,
  80     function=f)
  81 """)
  82
  83     t.write("Other/jamfile.jam", """\
  84 import mygen ;
  85 my-obj other-obj : source.extension ;
  86 """)
  87
  88     t.run_build_system()
  89     t.expect_output_lines("Generating a CPP file...")
  90     t.expect_addition("bin/$toolset/debug*/dummy.my_obj")
  91     t.expect_addition("Other/bin/$toolset/debug*/other-obj.cpp")
  92     t.expect_addition("Other/bin/$toolset/debug*/other-obj.my_obj")
  93     t.expect_nothing_more()
  94
  95     t.cleanup()
  96
  97
  98 ###############################################################################
  99 #
 100 # test_using_a_derived_source_type_created_after_generator_already_used()
 101 # -----------------------------------------------------------------------
 102 #
 103 ###############################################################################
 104
 105 def test_using_a_derived_source_type_created_after_generator_already_used():
 106     """
 107       Regression test for a Boost Build bug causing it to not use a generator
 108     with a source type derived from one of the generator's sources but created
 109     only after already using the generateor.
 110
 111     """
 112     t = BoostBuild.Tester()
 113
 114     t.write("dummy.xxx", "Hello. My name is Peter Pan.\n")
 115
 116     t.write("jamroot.jam", """\
 117 import common ;
 118 import generators ;
 119 import type ;
 120 type.register XXX : xxx ;
 121 type.register YYY : yyy ;
 122 generators.register-standard common.copy : XXX : YYY ;
 123
 124 # Building this dummy target must not cause a later defined XXX2 target type not
 125 # to be recognized as a viable source type for building YYY targets.
 126 yyy dummy : dummy.xxx ;
 127 alias the-test-output : Other//other ;
 128 """)
 129
 130     t.write("Other/source.xxx2", "Hello. My name is Tinkerbell.\n")
 131
 132     t.write("Other/jamfile.jam", """\
 133 import type ;
 134 type.register XXX2 : xxx2 : XXX ;
 135 # We are careful not to do anything between defining our new XXX2 target type
 136 # and using the XXX --> YYY generator that could potentially cover the Boost
 137 # Build bug by clearing its internal viable source target type state.
 138 yyy other : source.xxx2 ;
 139 """)
 140
 141     t.run_build_system()
 142     t.expect_addition("bin/$toolset/debug*/dummy.yyy")
 143     t.expect_addition("Other/bin/$toolset/debug*/other.yyy")
 144     t.expect_nothing_more()
 145
 146     t.cleanup()
 147
 148
 149 ###############################################################################
 150 #
 151 # main()
 152 # ------
 153 #
 154 ###############################################################################
 155
 156 test_generator_added_after_already_building_a_target_of_its_target_type()
 157 test_using_a_derived_source_type_created_after_generator_already_used()