import os.path
import re
import subprocess
+import platform as _platform
import SCons.Action
import SCons.Builder
def install(env, source, subdir):
target_dir = os.path.join(env.Dir('#.').srcnode().abspath, env['build_dir'], subdir)
- env.Install(target_dir, source)
+ return env.Install(target_dir, source)
def install_program(env, source):
- install(env, source, 'bin')
+ return install(env, source, 'bin')
def install_shared_library(env, sources, version = ()):
+ targets = []
install_dir = os.path.join(env.Dir('#.').srcnode().abspath, env['build_dir'])
version = tuple(map(str, version))
if env['SHLIBSUFFIX'] == '.dll':
dlls = env.FindIxes(sources, 'SHLIBPREFIX', 'SHLIBSUFFIX')
- install(env, dlls, 'bin')
+ targets += install(env, dlls, 'bin')
libs = env.FindIxes(sources, 'LIBPREFIX', 'LIBSUFFIX')
- install(env, libs, 'lib')
+ targets += install(env, libs, 'lib')
else:
for source in sources:
target_dir = os.path.join(install_dir, 'lib')
target_name = '.'.join((str(source),) + version)
last = env.InstallAs(os.path.join(target_dir, target_name), source)
+ targets += last
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)
+ targets += last
+ return targets
+
def createInstallMethods(env):
env.AddMethod(install_program, 'InstallProgram')
return 1
+def pkg_config_modules(env, name, modules):
+ '''Simple wrapper for pkg-config.'''
+
+ env[name] = False
+
+ if env['platform'] == 'windows':
+ return
+
+ if not env.Detect('pkg-config'):
+ return
+
+ if subprocess.call(["pkg-config", "--exists", ' '.join(modules)]) != 0:
+ return
+
+ # Put -I and -L flags directly into the environment, as these don't affect
+ # the compilation of targets that do not use them
+ try:
+ env.ParseConfig('pkg-config --cflags-only-I --libs-only-L ' + ' '.join(modules))
+ except OSError:
+ return
+
+ # Other flags may affect the compilation of unrelated targets, so store
+ # them with a prefix, (e.g., XXX_CFLAGS, XXX_LIBS, etc)
+ try:
+ flags = env.ParseFlags('!pkg-config --cflags-only-other --libs-only-l --libs-only-other ' + ' '.join(modules))
+ except OSError:
+ return
+ prefix = name.upper() + '_'
+ for flag_name, flag_value in flags.iteritems():
+ env[prefix + flag_name] = flag_value
+
+ env[name] = True
+
+
+
def generate(env):
"""Common environment generation code"""
+ # Tell tools which machine to compile for
+ env['TARGET_ARCH'] = env['machine']
+ env['MSVS_ARCH'] = env['machine']
+
# Toolchain
platform = env['platform']
if env['toolchain'] == 'default':
env['toolchain'] = 'wcesdk'
env.Tool(env['toolchain'])
- if env['platform'] == 'embedded':
- # Allow overriding compiler from environment
- if os.environ.has_key('CC'):
- env['CC'] = os.environ['CC']
- # Update CCVERSION to match
- pipe = SCons.Action._subproc(env, [env['CC'], '--version'],
- stdin = 'devnull',
- stderr = 'devnull',
- stdout = subprocess.PIPE)
- if pipe.wait() == 0:
- line = pipe.stdout.readline()
- match = re.search(r'[0-9]+(\.[0-9]+)+', line)
- if match:
- env['CCVERSION'] = match.group(0)
-
+ # Allow override compiler and specify additional flags from environment
+ if os.environ.has_key('CC'):
+ env['CC'] = os.environ['CC']
+ # Update CCVERSION to match
+ pipe = SCons.Action._subproc(env, [env['CC'], '--version'],
+ stdin = 'devnull',
+ stderr = 'devnull',
+ stdout = subprocess.PIPE)
+ if pipe.wait() == 0:
+ line = pipe.stdout.readline()
+ match = re.search(r'[0-9]+(\.[0-9]+)+', line)
+ if match:
+ env['CCVERSION'] = match.group(0)
+ if os.environ.has_key('CFLAGS'):
+ env['CCFLAGS'] += SCons.Util.CLVar(os.environ['CFLAGS'])
+ if os.environ.has_key('CXX'):
+ env['CXX'] = os.environ['CXX']
+ if os.environ.has_key('CXXFLAGS'):
+ env['CXXFLAGS'] += SCons.Util.CLVar(os.environ['CXXFLAGS'])
+ if os.environ.has_key('LDFLAGS'):
+ env['LINKFLAGS'] += SCons.Util.CLVar(os.environ['LDFLAGS'])
env['gcc'] = 'gcc' in os.path.basename(env['CC']).split('-')
env['msvc'] = env['CC'] == 'cl'
+ if env['msvc'] and env['toolchain'] == 'default' and env['machine'] == 'x86_64':
+ # MSVC x64 support is broken in earlier versions of scons
+ env.EnsurePythonVersion(2, 0)
+
# shortcuts
machine = env['machine']
platform = env['platform']
gcc = env['gcc']
msvc = env['msvc']
+ # Determine whether we are cross compiling; in particular, whether we need
+ # to compile code generators with a different compiler as the target code.
+ host_platform = _platform.system().lower()
+ host_machine = os.environ.get('PROCESSOR_ARCHITEW6432', os.environ.get('PROCESSOR_ARCHITECTURE', _platform.machine()))
+ host_machine = {
+ 'x86': 'x86',
+ 'i386': 'x86',
+ 'i486': 'x86',
+ 'i586': 'x86',
+ 'i686': 'x86',
+ 'ppc' : 'ppc',
+ 'AMD64': 'x86_64',
+ 'x86_64': 'x86_64',
+ }.get(host_machine, 'generic')
+ env['crosscompile'] = platform != host_platform
+ if machine == 'x86_64' and host_machine != 'x86_64':
+ env['crosscompile'] = True
+ env['hostonly'] = False
+
# Backwards compatability with the debug= profile= options
if env['build'] == 'debug':
if not env['debug']:
- print 'scons: debug option is deprecated: use instead build=release'
+ print 'scons: warning: debug option is deprecated and will be removed eventually; use instead'
+ print
+ print ' scons build=release'
+ print
env['build'] = 'release'
if env['profile']:
- print 'scons: profile option is deprecated: use instead build=profile'
+ print 'scons: warning: profile option is deprecated and will be removed eventually; use instead'
+ print
+ print ' scons build=profile'
+ print
env['build'] = 'profile'
if False:
# Enforce SConscripts to use the new build variable
if env.GetOption('num_jobs') <= 1:
env.SetOption('num_jobs', num_jobs())
+ env.Decider('MD5-timestamp')
+ env.SetOption('max_drift', 60)
+
# C preprocessor options
cppdefines = []
if env['build'] in ('debug', 'checked'):
'-m32',
#'-march=pentium4',
]
- if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.2'):
+ if distutils.version.LooseVersion(ccversion) >= distutils.version.LooseVersion('4.2') \
+ and (platform != 'windows' or env['build'] == 'debug' or True):
# NOTE: We need to ensure stack is realigned given that we
# produce shared objects, and have no control over the stack
# alignment policy of the application. Therefore we need
# -mstackrealign ore -mincoming-stack-boundary=2.
#
+ # XXX: -O and -mstackrealign causes stack corruption on MinGW
+ #
# XXX: We could have SSE without -mstackrealign if we always used
# __attribute__((force_align_arg_pointer)), but that's not
# always the case.
'/Od', # disable optimizations
'/Oi', # enable intrinsic functions
'/Oy-', # disable frame pointer omission
- '/GL-', # disable whole program optimization
]
else:
ccflags += [
'/O2', # optimize for speed
+ ]
+ if env['build'] == 'release':
+ ccflags += [
'/GL', # enable whole program optimization
]
+ else:
+ ccflags += [
+ '/GL-', # disable whole program optimization
+ ]
ccflags += [
'/fp:fast', # fast floating point
'/W3', # warning level
else:
env['_LIBFLAGS'] = '-Wl,--start-group ' + env['_LIBFLAGS'] + ' -Wl,--end-group'
if msvc:
- if env['build'] != 'debug':
+ if env['build'] == 'release':
# enable Link-time Code Generation
linkflags += ['/LTCG']
env.Append(ARFLAGS = ['/LTCG'])
env.Append(LINKFLAGS = linkflags)
env.Append(SHLINKFLAGS = shlinkflags)
+ # We have C++ in several libraries, so always link with the C++ compiler
+ if env['gcc']:
+ env['LINK'] = env['CXX']
+
# Default libs
env.Append(LIBS = [])
- # Load LLVM
+ # Load tools
if env['llvm']:
env.Tool('llvm')
+ env.Tool('udis86')
+
+ pkg_config_modules(env, 'x11', ['x11', 'xext'])
+ pkg_config_modules(env, 'drm', ['libdrm'])
+ pkg_config_modules(env, 'drm_intel', ['libdrm_intel'])
+ pkg_config_modules(env, 'drm_radeon', ['libdrm_radeon'])
+ pkg_config_modules(env, 'xorg', ['xorg-server'])
+ pkg_config_modules(env, 'kms', ['libkms'])
+
+ env['dri'] = env['x11'] and env['drm']
# Custom builders and methods
env.Tool('custom')