Eryn Wells
c56cc557f8
Following the tutorials on http://www.ostricher.com/tag/scons/, I rebuilt the build system so that SConscript files are *much* easier to write.
59 lines
1.7 KiB
Python
59 lines
1.7 KiB
Python
# lib.py
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# Eryn Wells <eryn@erynwells.me>
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'''
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SCons builder for a lib directory.
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'''
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import SCons.Errors
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import SCons.Script
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def _process_lib_dir(env, lib, src_dir=None, out_dir=None, inc_dir=None):
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if not src_dir:
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src_dir = env.lib_root.Dir(lib)
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if not src_dir.isdir():
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err = 'Invalid library source directory: {}'.format(src_dir)
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env.log_error(err)
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raise SCons.Errors.UserError(err)
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if not out_dir:
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out_dir = env.build_root.Dir('lib').Dir(lib)
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if not inc_dir:
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include_dir = src_dir.Dir('include')
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if include_dir.isdir():
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inc_dir = [include_dir]
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env.Append(CPPPATH=inc_dir)
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exports = {'Library': env.Library,
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'StaticLibrary': env.StaticLibrary,
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'SharedLibrary': env.SharedLibrary}
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SCons.Script._SConscript.GlobalDict.update(exports)
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out = env.SConscript(src_dir.File('SConscript'),
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{'env': env.Clone()},
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variant_dir=out_dir,
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exports=exports)
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return out
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def _build_library(env, lib_func):
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original_builder = lib_func
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def builder(env, lib_name, sources, *args, **kwargs):
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lib = original_builder(lib_name, sources, *args, **kwargs)
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env.register_lib(lib_name, lib)
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return lib
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return builder
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#
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# SCons tool interface
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#
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def generate(env):
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env.SetDefault(LIBS={})
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env.AddMethod(_process_lib_dir, 'LibDir')
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env.AddMethod(_build_library(env, env.Library), 'Library')
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env.AddMethod(_build_library(env, env.StaticLibrary), 'StaticLibrary')
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env.AddMethod(_build_library(env, env.SharedLibrary), 'SharedLibrary')
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def exists(env):
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return True
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