test/CC/CFLAGS.py

   1 #!/usr/bin/env python
   2 #
   3 # MIT License
   4 #
   5 # Copyright The SCons Foundation
   6 #
   7 # Permission is hereby granted, free of charge, to any person obtaining
   8 # a copy of this software and associated documentation files (the
   9 # "Software"), to deal in the Software without restriction, including
  10 # without limitation the rights to use, copy, modify, merge, publish,
  11 # distribute, sublicense, and/or sell copies of the Software, and to
  12 # permit persons to whom the Software is furnished to do so, subject to
  13 # the following conditions:
  14 #
  15 # The above copyright notice and this permission notice shall be included
  16 # in all copies or substantial portions of the Software.
  17 #
  18 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
  19 # KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
  20 # WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  21 # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  22 # LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  23 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  24 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25
  26 import sys
  27 import TestSCons
  28
  29 test = TestSCons.TestSCons()
  30
  31 # Make sure CFLAGS is not passed to CXX by just expanding CXXCOM
  32 test.write('SConstruct', """
  33 DefaultEnvironment(tools=[])
  34 env = Environment(CFLAGS='-xyz', CCFLAGS='-abc')
  35 print(env.subst('$CXXCOM'))
  36 print(env.subst('$CXXCOMSTR'))
  37 print(env.subst('$SHCXXCOM'))
  38 print(env.subst('$SHCXXCOMSTR'))
  39 """)
  40 test.run(arguments = '.')
  41 test.must_not_contain_any_line(test.stdout(), ["-xyz"])
  42 test.must_contain_all_lines(test.stdout(), ["-abc"])
  43
  44 _obj = TestSCons._obj
  45
  46 # Test passing CFLAGS to C compiler by actually compiling programs
  47 if sys.platform == 'win32':
  48     import SCons.Tool.MSCommon as msc
  49
  50     if not msc.msvc_exists():
  51         fooflags = '-DFOO'
  52         barflags = '-DBAR'
  53     else:
  54         fooflags = '/nologo -DFOO'
  55         barflags = '/nologo -DBAR'
  56 else:
  57     fooflags = '-DFOO'
  58     barflags = '-DBAR'
  59
  60
  61 test.write('SConstruct', """
  62 foo = Environment(CFLAGS = '%s')
  63 bar = Environment(CFLAGS = '%s')
  64 foo.Object(target = 'foo%s', source = 'prog.c')
  65 bar.Object(target = 'bar%s', source = 'prog.c')
  66 foo.Program(target = 'foo', source = 'foo%s')
  67 bar.Program(target = 'bar', source = 'bar%s')
  68 foo.Program(target = 'prog', source = 'prog.c',
  69             CFLAGS = '$CFLAGS -DBAR $BAZ', BAZ = '-DBAZ')
  70 """ % (fooflags, barflags, _obj, _obj, _obj, _obj))
  71
  72 test.write('prog.c', r"""
  73 #include <stdio.h>
  74 #include <stdlib.h>
  75
  76 int
  77 main(int argc, char *argv[])
  78 {
  79         argv[argc++] = "--";
  80 #ifdef FOO
  81         printf("prog.c:  FOO\n");
  82 #endif
  83 #ifdef BAR
  84         printf("prog.c:  BAR\n");
  85 #endif
  86 #ifdef BAZ
  87         printf("prog.c:  BAZ\n");
  88 #endif
  89         exit (0);
  90 }
  91 """)
  92
  93
  94
  95 test.run(arguments = '.')
  96
  97 test.run(program = test.workpath('foo'), stdout = "prog.c:  FOO\n")
  98 test.run(program = test.workpath('bar'), stdout = "prog.c:  BAR\n")
  99 test.run(program = test.workpath('prog'), stdout = """\
 100 prog.c:  FOO
 101 prog.c:  BAR
 102 prog.c:  BAZ
 103 """)
 104
 105 test.write('SConstruct', """
 106 bar = Environment(CFLAGS = '%s')
 107 bar.Object(target = 'foo%s', source = 'prog.c')
 108 bar.Object(target = 'bar%s', source = 'prog.c')
 109 bar.Program(target = 'foo', source = 'foo%s')
 110 bar.Program(target = 'bar', source = 'bar%s')
 111 """ % (barflags, _obj, _obj, _obj, _obj))
 112
 113 test.run(arguments = '.')
 114
 115 test.run(program = test.workpath('foo'), stdout = "prog.c:  BAR\n")
 116 test.run(program = test.workpath('bar'), stdout = "prog.c:  BAR\n")
 117
 118 test.pass_test()
 119
 120 # Local Variables:
 121 # tab-width:4
 122 # indent-tabs-mode:nil
 123 # End:
 124 # vim: set expandtab tabstop=4 shiftwidth=4: