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Diffstat (limited to 'scons/generic.py')
| -rw-r--r-- | scons/generic.py | 593 |
1 files changed, 593 insertions, 0 deletions
diff --git a/scons/generic.py b/scons/generic.py new file mode 100644 index 0000000000..a9c2244a74 --- /dev/null +++ b/scons/generic.py @@ -0,0 +1,593 @@ +"""generic + +Generic tool that provides a commmon ground for all platforms. + +""" + +# +# Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. +# All Rights Reserved. +# +# Permission is hereby granted, free of charge, to any person obtaining a +# copy of this software and associated documentation files (the +# "Software"), to deal in the Software without restriction, including +# without limitation the rights to use, copy, modify, merge, publish, +# distribute, sub license, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so, subject to +# the following conditions: +# +# The above copyright notice and this permission notice (including the +# next paragraph) shall be included in all copies or substantial portions +# of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. +# IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR +# ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +# + + +import os +import os.path +import re +import platform as _platform +import sys + +import SCons.Action +import SCons.Builder +import SCons.Scanner + + +def quietCommandLines(env): + # Quiet command lines + # See also http://www.scons.org/wiki/HidingCommandLinesInOutput + env['CCCOMSTR'] = "Compiling $SOURCE ..." + env['CXXCOMSTR'] = "Compiling $SOURCE ..." + env['ARCOMSTR'] = "Archiving $TARGET ..." + env['RANLIBCOMSTR'] = "" + env['LINKCOMSTR'] = "Linking $TARGET ..." + + +def createConvenienceLibBuilder(env): + """This is a utility function that creates the ConvenienceLibrary + Builder in an Environment if it is not there already. + + If it is already there, we return the existing one. + + Based on the stock StaticLibrary and SharedLibrary builders. + """ + + try: + convenience_lib = env['BUILDERS']['ConvenienceLibrary'] + except KeyError: + action_list = [ SCons.Action.Action("$ARCOM", "$ARCOMSTR") ] + if env.Detect('ranlib'): + ranlib_action = SCons.Action.Action("$RANLIBCOM", "$RANLIBCOMSTR") + action_list.append(ranlib_action) + + convenience_lib = SCons.Builder.Builder(action = action_list, + emitter = '$LIBEMITTER', + prefix = '$LIBPREFIX', + suffix = '$LIBSUFFIX', + src_suffix = '$SHOBJSUFFIX', + src_builder = 'SharedObject') + env['BUILDERS']['ConvenienceLibrary'] = convenience_lib + + return convenience_lib + + +# TODO: handle import statements with multiple modules +# TODO: handle from import statements +import_re = re.compile(r'^import\s+(\S+)$', re.M) + +def python_scan(node, env, path): + # http://www.scons.org/doc/0.98.5/HTML/scons-user/c2781.html#AEN2789 + contents = node.get_contents() + source_dir = node.get_dir() + imports = import_re.findall(contents) + results = [] + for imp in imports: + for dir in path: + file = os.path.join(str(dir), imp.replace('.', os.sep) + '.py') + if os.path.exists(file): + results.append(env.File(file)) + break + file = os.path.join(str(dir), imp.replace('.', os.sep), '__init__.py') + if os.path.exists(file): + results.append(env.File(file)) + break + return results + +python_scanner = SCons.Scanner.Scanner(function = python_scan, skeys = ['.py']) + + +def code_generate(env, script, target, source, command): + """Method to simplify code generation via python scripts. + + http://www.scons.org/wiki/UsingCodeGenerators + http://www.scons.org/doc/0.98.5/HTML/scons-user/c2768.html + """ + + # We're generating code using Python scripts, so we have to be + # careful with our scons elements. This entry represents + # the generator file *in the source directory*. + script_src = env.File(script).srcnode() + + # This command creates generated code *in the build directory*. + command = command.replace('$SCRIPT', script_src.path) + code = env.Command(target, source, command) + + # Explicitly mark that the generated code depends on the generator, + # and on implicitly imported python modules + path = (script_src.get_dir(),) + deps = [script_src] + deps += script_src.get_implicit_deps(env, python_scanner, path) + env.Depends(code, deps) + + # Running the Python script causes .pyc files to be generated in the + # source directory. When we clean up, they should go too. So add side + # effects for .pyc files + for dep in deps: + pyc = env.File(str(dep) + 'c') + env.SideEffect(pyc, code) + + return code + + +def createCodeGenerateMethod(env): + env.Append(SCANNERS = python_scanner) + env.AddMethod(code_generate, 'CodeGenerate') + + +def symlink(target, source, env): + target = str(target[0]) + source = str(source[0]) + if os.path.islink(target) or os.path.exists(target): + os.remove(target) + os.symlink(os.path.basename(source), target) + +def install_shared_library(env, source, version = ()): + source = str(source[0]) + version = tuple(map(str, version)) + target_dir = os.path.join(env.Dir('#.').srcnode().abspath, env['build'], 'lib') + target_name = '.'.join((str(source),) + version) + last = env.InstallAs(os.path.join(target_dir, target_name), source) + while len(version): + version = version[:-1] + target_name = '.'.join((str(source),) + version) + action = SCons.Action.Action(symlink, "$TARGET -> $SOURCE") + last = env.Command(os.path.join(target_dir, target_name), last, action) + +def createInstallMethods(env): + env.AddMethod(install_shared_library, 'InstallSharedLibrary') + + +_platform_map = { + 'linux2': 'linux', + 'win32': 'windows', +} + + +_machine_map = { + 'x86': 'x86', + 'i386': 'x86', + 'i486': 'x86', + 'i586': 'x86', + 'i686': 'x86', + 'ppc': 'ppc', + 'x86_64': 'x86_64', +} + + +_toolchain_map = { + 'winddk': 'winddk', + 'wince': 'wcesdk', +} + + +_bool_map = { + 'y': 1, + 'yes': 1, + 't': 1, + 'true': 1, + '1': 1, + 'on': 1, + 'all': 1, + 'n': 0, + 'no': 0, + 'f': 0, + 'false': 0, + '0': 0, + 'off': 0, + 'none': 0, +} + + +def num_jobs(): + try: + return int(os.environ['NUMBER_OF_PROCESSORS']) + except (ValueError, KeyError): + pass + + try: + return os.sysconf('SC_NPROCESSORS_ONLN') + except (ValueError, OSError, AttributeError): + pass + + try: + return int(os.popen2("sysctl -n hw.ncpu")[1].read()) + except ValueError: + pass + + return 1 + + +def generate(env): + """Common environment generation code""" + + from SCons.Script import ARGUMENTS + + # FIXME: this is already too late + #if env.get('quiet', False): + # quietCommandLines(env) + + + # Platform + try: + env['platform'] = ARGUMENTS['platform'] + except KeyError: + env['platform'] = _platform_map.get(sys.platform, sys.platform) + + # Machine + try: + env['machine'] = ARGUMENTS['machine'] + except KeyError: + env['machine'] = _machine_map.get(os.environ.get('PROCESSOR_ARCHITECTURE', _platform.machine()), 'generic') + + # Toolchain + try: + env['toolchain'] = ARGUMENTS['toolchain'] + except KeyError: + if env['platform'] in ('windows', 'winddk', 'wince') and sys.platform != 'win32': + env['toolchain'] = 'crossmingw' + else: + env['toolchain'] = _toolchain_map.get(env['platform'], 'default') + if env['toolchain'] == 'crossmingw' and env['machine'] not in ('generic', 'x86'): + env['machine'] = 'x86' + + try: + env['MSVS_VERSION'] = ARGUMENTS['MSVS_VERSION'] + except KeyError: + pass + + # Build type + env['debug'] = _bool_map[ARGUMENTS.get('debug', 'no')] + env['profile'] = _bool_map[ARGUMENTS.get('profile', 'no')] + + # Put build output in a separate dir, which depends on the current + # configuration. See also http://www.scons.org/wiki/AdvancedBuildExample + try: + env['build'] = ARGUMENTS['build'] + except KeyError: + build_topdir = 'build' + build_subdir = env['platform'] + if env['machine'] != 'generic': + build_subdir += '-' + env['machine'] + if env['debug']: + build_subdir += "-debug" + if env['profile']: + build_subdir += "-profile" + env['build'] = os.path.join(build_topdir, build_subdir) + # Place the .sconsign file in the build dir too, to avoid issues with + # different scons versions building the same source file + env.SConsignFile(os.path.join(env['build'], '.sconsign')) + + # Parallel build + if env.GetOption('num_jobs') <= 1: + env.SetOption('num_jobs', num_jobs()) + + # Summary + print + print ' platform=%s' % env['platform'] + print ' machine=%s' % env['machine'] + print ' toolchain=%s' % env['toolchain'] + print ' debug=%s' % ['no', 'yes'][env['debug']] + print ' profile=%s' % ['no', 'yes'][env['profile']] + print ' build=%s' % env['build'] + print ' %s jobs' % env.GetOption('num_jobs') + print + + # Load tool chain + env.Tool(env['toolchain']) + + env['gcc'] = 'gcc' in os.path.basename(env['CC']).split('-') + env['msvc'] = env['CC'] == 'cl' + + # shortcuts + debug = env['debug'] + machine = env['machine'] + platform = env['platform'] + x86 = env['machine'] == 'x86' + ppc = env['machine'] == 'ppc' + gcc = env['gcc'] + msvc = env['msvc'] + + # C preprocessor options + cppdefines = [] + if debug: + cppdefines += ['DEBUG'] + else: + cppdefines += ['NDEBUG'] + if env['profile']: + cppdefines += ['PROFILE'] + if platform == 'windows': + cppdefines += [ + 'WIN32', + '_WINDOWS', + #'_UNICODE', + #'UNICODE', + # http://msdn2.microsoft.com/en-us/library/6dwk3a1z.aspx, + #'WIN32_LEAN_AND_MEAN', + ] + if msvc: + cppdefines += [ + 'VC_EXTRALEAN', + '_CRT_SECURE_NO_DEPRECATE', + ] + if debug: + cppdefines += ['_DEBUG'] + if platform == 'winddk': + # Mimic WINDDK's builtin flags. See also: + # - WINDDK's bin/makefile.new i386mk.inc for more info. + # - buildchk_wxp_x86.log files, generated by the WINDDK's build + # - http://alter.org.ua/docs/nt_kernel/vc8_proj/ + cppdefines += [ + ('_X86_', '1'), + ('i386', '1'), + 'STD_CALL', + ('CONDITION_HANDLING', '1'), + ('NT_INST', '0'), + ('WIN32', '100'), + ('_NT1X_', '100'), + ('WINNT', '1'), + ('_WIN32_WINNT', '0x0501'), # minimum required OS version + ('WINVER', '0x0501'), + ('_WIN32_IE', '0x0603'), + ('WIN32_LEAN_AND_MEAN', '1'), + ('DEVL', '1'), + ('__BUILDMACHINE__', 'WinDDK'), + ('FPO', '0'), + ] + if debug: + cppdefines += [('DBG', 1)] + if platform == 'wince': + cppdefines += [ + '_CRT_SECURE_NO_DEPRECATE', + '_USE_32BIT_TIME_T', + 'UNICODE', + '_UNICODE', + ('UNDER_CE', '600'), + ('_WIN32_WCE', '0x600'), + 'WINCEOEM', + 'WINCEINTERNAL', + 'WIN32', + 'STRICT', + 'x86', + '_X86_', + 'INTERNATIONAL', + ('INTLMSG_CODEPAGE', '1252'), + ] + env.Append(CPPDEFINES = cppdefines) + + # C preprocessor includes + if platform == 'winddk': + env.Append(CPPPATH = [ + env['SDK_INC_PATH'], + env['DDK_INC_PATH'], + env['WDM_INC_PATH'], + env['CRT_INC_PATH'], + ]) + + # C compiler options + cflags = [] # C + cxxflags = [] # C++ + ccflags = [] # C & C++ + if gcc: + if debug: + ccflags += ['-O0', '-g3'] + elif env['toolchain'] == 'crossmingw': + ccflags += ['-O0', '-g3'] # mingw 4.2.1 optimizer is broken + else: + ccflags += ['-O3', '-g0'] + if env['profile']: + ccflags += ['-pg'] + if env['machine'] == 'x86': + ccflags += [ + '-m32', + #'-march=pentium4', + '-mmmx', '-msse', '-msse2', # enable SIMD intrinsics + #'-mfpmath=sse', + ] + if env['machine'] == 'x86_64': + ccflags += ['-m64'] + # See also: + # - http://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html + ccflags += [ + '-Wall', + '-Wmissing-field-initializers', + '-Wpointer-arith', + '-Wno-long-long', + '-ffast-math', + '-fmessage-length=0', # be nice to Eclipse + ] + cflags += [ + '-Werror=declaration-after-statement', + '-Wmissing-prototypes', + '-std=gnu99', + ] + if msvc: + # See also: + # - http://msdn.microsoft.com/en-us/library/19z1t1wy.aspx + # - cl /? + if debug: + ccflags += [ + '/Od', # disable optimizations + '/Oi', # enable intrinsic functions + '/Oy-', # disable frame pointer omission + '/GL-', # disable whole program optimization + ] + else: + ccflags += [ + '/Ox', # maximum optimizations + '/Oi', # enable intrinsic functions + '/Ot', # favor code speed + #'/fp:fast', # fast floating point + ] + if env['profile']: + ccflags += [ + '/Gh', # enable _penter hook function + '/GH', # enable _pexit hook function + ] + ccflags += [ + '/W3', # warning level + #'/Wp64', # enable 64 bit porting warnings + ] + if env['machine'] == 'x86': + ccflags += [ + #'/QIfist', # Suppress _ftol + #'/arch:SSE2', # use the SSE2 instructions + ] + if platform == 'windows': + ccflags += [ + # TODO + ] + if platform == 'winddk': + ccflags += [ + '/Zl', # omit default library name in .OBJ + '/Zp8', # 8bytes struct member alignment + '/Gy', # separate functions for linker + '/Gm-', # disable minimal rebuild + '/WX', # treat warnings as errors + '/Gz', # __stdcall Calling convention + '/GX-', # disable C++ EH + '/GR-', # disable C++ RTTI + '/GF', # enable read-only string pooling + '/G6', # optimize for PPro, P-II, P-III + '/Ze', # enable extensions + '/Gi-', # disable incremental compilation + '/QIfdiv-', # disable Pentium FDIV fix + '/hotpatch', # prepares an image for hotpatching. + #'/Z7', #enable old-style debug info + ] + if platform == 'wince': + # See also C:\WINCE600\public\common\oak\misc\makefile.def + ccflags += [ + '/Zl', # omit default library name in .OBJ + '/GF', # enable read-only string pooling + '/GR-', # disable C++ RTTI + '/GS', # enable security checks + # Allow disabling language conformance to maintain backward compat + #'/Zc:wchar_t-', # don't force wchar_t as native type, instead of typedef + #'/Zc:forScope-', # don't enforce Standard C++ for scoping rules + #'/wd4867', + #'/wd4430', + #'/MT', + #'/U_MT', + ] + # Automatic pdb generation + # See http://scons.tigris.org/issues/show_bug.cgi?id=1656 + env.EnsureSConsVersion(0, 98, 0) + env['PDB'] = '${TARGET.base}.pdb' + env.Append(CCFLAGS = ccflags) + env.Append(CFLAGS = cflags) + env.Append(CXXFLAGS = cxxflags) + + if env['platform'] == 'windows' and msvc: + # Choose the appropriate MSVC CRT + # http://msdn.microsoft.com/en-us/library/2kzt1wy3.aspx + if env['debug']: + env.Append(CCFLAGS = ['/MTd']) + env.Append(SHCCFLAGS = ['/LDd']) + else: + env.Append(CCFLAGS = ['/MT']) + env.Append(SHCCFLAGS = ['/LD']) + + # Assembler options + if gcc: + if env['machine'] == 'x86': + env.Append(ASFLAGS = ['-m32']) + if env['machine'] == 'x86_64': + env.Append(ASFLAGS = ['-m64']) + + # Linker options + linkflags = [] + if gcc: + if env['machine'] == 'x86': + linkflags += ['-m32'] + if env['machine'] == 'x86_64': + linkflags += ['-m64'] + if platform == 'windows' and msvc: + # See also: + # - http://msdn2.microsoft.com/en-us/library/y0zzbyt4.aspx + linkflags += [ + '/fixed:no', + '/incremental:no', + ] + if platform == 'winddk': + linkflags += [ + '/merge:_PAGE=PAGE', + '/merge:_TEXT=.text', + '/section:INIT,d', + '/opt:ref', + '/opt:icf', + '/ignore:4198,4010,4037,4039,4065,4070,4078,4087,4089,4221', + '/incremental:no', + '/fullbuild', + '/release', + '/nodefaultlib', + '/wx', + '/debug', + '/debugtype:cv', + '/version:5.1', + '/osversion:5.1', + '/functionpadmin:5', + '/safeseh', + '/pdbcompress', + '/stack:0x40000,0x1000', + '/driver', + '/align:0x80', + '/subsystem:native,5.01', + '/base:0x10000', + + '/entry:DrvEnableDriver', + ] + if env['debug'] or env['profile']: + linkflags += [ + '/MAP', # http://msdn.microsoft.com/en-us/library/k7xkk3e2.aspx + ] + if platform == 'wince': + linkflags += [ + '/nodefaultlib', + #'/incremental:no', + #'/fullbuild', + '/entry:_DllMainCRTStartup', + ] + env.Append(LINKFLAGS = linkflags) + + # Default libs + env.Append(LIBS = []) + + # Custom builders and methods + createConvenienceLibBuilder(env) + createCodeGenerateMethod(env) + createInstallMethods(env) + + # for debugging + #print env.Dump() + + +def exists(env): + return 1 |