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scons: Add DEBUG_UNDEFINED setting to trigger clang/llvm runtime behavior checking

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Dane Springmeyer 2011-11-14 00:49:46 -08:00
parent 41663b1941
commit 25b14c3503
1 changed files with 4 additions and 0 deletions
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4
SConstruct
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@ -302,6 +302,7 @@ opts.AddVariables(
EnumVariable('OPTIMIZATION','Set g++ optimization level','3', ['0','1','2','3','4','s']), EnumVariable('OPTIMIZATION','Set g++ optimization level','3', ['0','1','2','3','4','s']),
# Note: setting DEBUG=True will override any custom OPTIMIZATION level # Note: setting DEBUG=True will override any custom OPTIMIZATION level
BoolVariable('DEBUG', 'Compile a debug version of Mapnik', 'False'), BoolVariable('DEBUG', 'Compile a debug version of Mapnik', 'False'),
BoolVariable('DEBUG_UNDEFINED', 'Compile a version of Mapnik using clang/llvm undefined behavior asserts', 'False'),
ListVariable('INPUT_PLUGINS','Input drivers to include',DEFAULT_PLUGINS,PLUGINS.keys()), ListVariable('INPUT_PLUGINS','Input drivers to include',DEFAULT_PLUGINS,PLUGINS.keys()),
('WARNING_CXXFLAGS', 'Compiler flags you can set to reduce warning levels which are placed after -Wall.', ''), ('WARNING_CXXFLAGS', 'Compiler flags you can set to reduce warning levels which are placed after -Wall.', ''),
@ -1434,6 +1435,7 @@ if not preconfigured:
debug_flags = '-g -DDEBUG -DMAPNIK_DEBUG' debug_flags = '-g -DDEBUG -DMAPNIK_DEBUG'
ndebug_flags = '-DNDEBUG' ndebug_flags = '-DNDEBUG'
# Customizing the C++ compiler flags depending on: # Customizing the C++ compiler flags depending on:
# (1) the C++ compiler used; and # (1) the C++ compiler used; and
# (2) whether debug binaries are requested. # (2) whether debug binaries are requested.
@ -1449,6 +1451,8 @@ if not preconfigured:
env.Append(CXXFLAGS = gcc_cxx_flags + '-O0 -fno-inline %s' % debug_flags) env.Append(CXXFLAGS = gcc_cxx_flags + '-O0 -fno-inline %s' % debug_flags)
else: else:
env.Append(CXXFLAGS = gcc_cxx_flags + '-O%s -finline-functions -Wno-inline -Wno-parentheses -Wno-char-subscripts %s' % (env['OPTIMIZATION'],ndebug_flags)) env.Append(CXXFLAGS = gcc_cxx_flags + '-O%s -finline-functions -Wno-inline -Wno-parentheses -Wno-char-subscripts %s' % (env['OPTIMIZATION'],ndebug_flags))
if env['DEBUG_UNDEFINED']:
env.Append(CXXFLAGS = '-fcatch-undefined-behavior') #-ftrapv -fwrapv
if 'python' in env['BINDINGS']: if 'python' in env['BINDINGS']:
if not os.access(env['PYTHON'], os.X_OK): if not os.access(env['PYTHON'], os.X_OK):