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

   1 #!/usr/bin/python
   2
   3 # Copyright 2003 Dave Abrahams
   4 # Copyright 2003, 2006 Vladimir Prus
   5 # Distributed under the Boost Software License, Version 1.0.
   6 # (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
   7
   8 # Test main target alternatives.
   9
  10 import BoostBuild
  11 import string
  12
  13 t = BoostBuild.Tester(use_test_config=False)
  14
  15 # Test that basic alternatives selection works.
  16 t.write("jamroot.jam", "")
  17
  18 t.write("jamfile.jam", """
  19 exe a : a_empty.cpp ;
  20 exe a : a.cpp : <variant>release ;
  21 """)
  22
  23 t.write("a_empty.cpp", "")
  24
  25 t.write("a.cpp", "int main() {}\n")
  26
  27 t.run_build_system(["release"])
  28
  29 t.expect_addition("bin/$toolset/release*/a.exe")
  30
  31 # Test that alternative selection works for ordinary properties, in particular
  32 # user-defined.
  33 t.write("jamroot.jam", "")
  34
  35 t.write("jamfile.jam", """
  36 import feature ;
  37 feature.feature X : off on : propagated ;
  38 exe a : b.cpp ;
  39 exe a : a.cpp : <X>on ;
  40 """)
  41 t.write("b.cpp", "int main() {}\n")
  42
  43 t.rm("bin")
  44
  45 t.run_build_system()
  46 t.expect_addition("bin/$toolset/debug*/b.obj")
  47
  48 t.run_build_system(["X=on"])
  49 t.expect_addition("bin/$toolset/debug/X-on*/a.obj")
  50
  51 t.rm("bin")
  52
  53 # Test that everything works ok even with the default build.
  54 t.write("jamfile.jam", """\
  55 exe a : a_empty.cpp : <variant>release ;
  56 exe a : a.cpp : <variant>debug ;
  57 """)
  58
  59 t.run_build_system()
  60 t.expect_addition("bin/$toolset/debug*/a.exe")
  61
  62 # Test that only properties which are in the build request matter for
  63 # alternative selection. IOW, alternative with <variant>release is better than
  64 # one with <variant>debug when building the release variant.
  65 t.write("jamfile.jam", """\
  66 exe a : a_empty.cpp : <variant>debug ;
  67 exe a : a.cpp : <variant>release ;
  68 """)
  69
  70 t.run_build_system(["release"])
  71 t.expect_addition("bin/$toolset/release*/a.exe")
  72
  73 # Test that free properties do not matter. We really do not want <cxxflags>
  74 # property in build request to affect alternative selection.
  75 t.write("jamfile.jam", """
  76 exe a : a_empty.cpp : <variant>debug <define>FOO <include>BAR ;
  77 exe a : a.cpp : <variant>release ;
  78 """)
  79
  80 t.rm("bin/$toolset/release/a.exe")
  81 t.rm("bin/$toolset/release/*/a.exe")
  82 t.run_build_system(["release", "define=FOO"])
  83 t.expect_addition("bin/$toolset/release*/a.exe")
  84
  85 # Test that ambiguity is reported correctly.
  86 t.write("jamfile.jam", """\
  87 exe a : a_empty.cpp ;
  88 exe a : a.cpp ;
  89 """)
  90 t.run_build_system(["--no-error-backtrace"], status=None)
  91 t.expect_output_lines("error: No best alternative for ./a")
  92
  93 # Another ambiguity test: two matches properties in one alternative are neither
  94 # better nor worse than a single one in another alternative.
  95 t.write("jamfile.jam", """\
  96 exe a : a_empty.cpp : <optimization>off <profiling>off ;
  97 exe a : a.cpp : <debug-symbols>on ;
  98 """)
  99
 100 t.run_build_system(["--no-error-backtrace"], status=None)
 101 t.expect_output_lines("error: No best alternative for ./a")
 102 t.rm("bin")
 103
 104 # Test that we can have alternative without sources.
 105 t.write("jamfile.jam", """\
 106 alias specific-sources ;
 107 import feature ;
 108 feature.extend os : MAGIC ;
 109 alias specific-sources : b.cpp : <os>MAGIC ;
 110 exe a : a.cpp specific-sources ;
 111 """)
 112 t.run_build_system()
 113 t.expect_addition("bin/$toolset/debug*/a.exe")
 114 t.rm("bin")
 115
 116 # Test that subfeatures are expanded in alternatives
 117 # and that unknown subfeatures fail to match instead of
 118 # causing errors.
 119 t.write("jamfile.jam", """\
 120 import feature : feature subfeature ;
 121 feature X : off on : propagated ;
 122 subfeature X on : version : 1 : propagated ;
 123 exe a : a.cpp : <X>on-1 ;
 124 exe a : a_empty.cpp ;
 125 exe a : a_empty.cpp : <X>on-2 ;
 126 """)
 127 t.run_build_system(["X=on-1"])
 128
 129 t.cleanup()