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import os, sys
from os.path import join, basename
from SCons.Script.SConscript import SConsEnvironment
import SCons.Util
EnsureSConsVersion(1, 0)
default_python_binary = 'python%d.%d' % (sys.version_info[0], sys.version_info[1])
default_python_config = 'python%d.%d-config' % (sys.version_info[0], sys.version_info[1])
if sys.platform == "win32":
# usually no versioned binaries on Windows
default_python_binary = 'python'
default_python_config = 'python-config'
if os.path.exists('/etc/gentoo-release'):
print 'Gentoo: /etc/gentoo-release exists. Must be on a Gentoo based system.'
default_python_config = 'python-config-%d.%d' % (sys.version_info[0],sys.version_info[1])
SConsignFile() # no .scsonsign into $PREFIX please
if sys.platform == "darwin":
default_prefix = '/opt/local/'
else:
default_prefix = '/usr/local/'
opts = Variables()
opts.Add(PathVariable('prefix', 'autotools-style installation prefix', default_prefix, validator=PathVariable.PathIsDirCreate))
opts.Add(BoolVariable('debug', 'enable HEAVY_DEBUG and disable optimizations', False))
opts.Add(BoolVariable('enable_profiling', 'enable debug symbols for profiling purposes (on by default)', True))
opts.Add(BoolVariable('brushlib_only', 'only build and install brushlib/', False))
opts.Add(BoolVariable('enable_brushlib_i18n', 'enable i18n support for brushlib (requires gettext)', False))
opts.Add(BoolVariable('enable_gegl', 'enable GEGL based code in build', False))
opts.Add(BoolVariable('enable_introspection', 'enable GObject introspection support', False))
opts.Add(BoolVariable('enable_docs', 'enable documentation build', False))
opts.Add(BoolVariable('enable_gperftools', 'enable gperftools in build, for profiling', False))
opts.Add(BoolVariable('enable_openmp', 'enable OpenMP for multithreaded processing (on by default)', True))
opts.Add('python_binary', 'python executable to build for', default_python_binary)
opts.Add('python_config', 'python-config to used', default_python_config)
tools = ['default', 'textfile']
env = Environment(ENV=os.environ, options=opts, tools=tools)
print('building for %r (use scons python_binary=xxx to change)' % env['python_binary'])
print('using %r (use scons python_config=xxx to change)' % env['python_config'])
if sys.platform == "win32":
# remove this mingw if trying VisualStudio
env = Environment(tools=tools + ['mingw'], ENV=os.environ, options=opts)
# Respect some standard build environment stuff
# See http://cgit.freedesktop.org/mesa/mesa/tree/scons/gallium.py
# See https://wiki.gentoo.org/wiki/SCons#Missing_CC.2C_CFLAGS.2C_LDFLAGS
if os.environ.has_key('CC'):
env['CC'] = os.environ['CC']
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('CPPFLAGS'):
env['CCFLAGS'] += SCons.Util.CLVar(os.environ['CPPFLAGS'])
env['CXXFLAGS'] += SCons.Util.CLVar(os.environ['CPPFLAGS'])
if os.environ.has_key('LDFLAGS'):
# LDFLAGS is omitted in SHLINKFLAGS, which is derived from LINKFLAGS
env['LINKFLAGS'] += SCons.Util.CLVar(os.environ['LDFLAGS'])
if "$CCFLAGS" in env['CXXCOM']:
env['CXXCOM'] = env['CXXCOM'].replace("$CCFLAGS","")
opts.Update(env)
env.Append(CXXFLAGS=' -Wall -Wno-sign-compare -Wno-write-strings')
env.Append(CCFLAGS='-Wall')
env.Append(CFLAGS='-std=c99')
env['GEGL_VERSION'] = 0.3
# Define strdup() in string.h under glibc >= 2.10 (POSIX.1-2008)
env.Append(CFLAGS='-D_POSIX_C_SOURCE=200809L')
if env.get('CPPDEFINES'):
# make sure assertions are enabled
env['CPPDEFINES'].remove('NDEBUG')
if env['debug']:
env.Append(CPPDEFINES='HEAVY_DEBUG')
env.Append(CCFLAGS='-O0', LINKFLAGS='-O0')
else:
# Overridable defaults
env.Prepend(CCFLAGS='-O3', LINKFLAGS='-O3')
if env['enable_profiling'] or env['debug']:
env.Append(CCFLAGS='-g')
#env.Append(CCFLAGS='-fno-inline', LINKFLAGS='-fno-inline')
# Look up libraries dependencies relative to the library
if sys.platform == "linux2":
env.Append(LINKFLAGS = Split('-z origin'))
env.Append(RPATH = env.Literal(os.path.join('\\$$ORIGIN')))
# remove libraries produced by earlier versions, which are actually
# being used if they keep lying around, leading to mysterious bugs
if sys.platform != "win32":
# do not execute this on windows...
env.Execute('rm -f libmypaint-tests.so libmypaint.so libmypaintlib.so')
set_dir_postaction = {}
def install_perms(env, target, sources, perms=0644, dirperms=0755):
"""As a normal env.Install, but with Chmod postactions.
The `target` parameter must be a string which starts with ``$prefix``.
Unless this is a sandbox install, the permission bits `dirperms` will be
set on every directory back to ``$prefix``, but not including it. `perms`
will always be set on each installed file from `sources`.
"""
assert target.startswith('$prefix')
install_targs = env.Install(target, sources)
sandboxed = False
final_prefix = os.path.normpath(env["prefix"])
# Set file permissions.
for targ in install_targs:
env.AddPostAction(targ, Chmod(targ, perms))
targ_path = os.path.normpath(targ.get_path())
if not targ_path.startswith(final_prefix):
sandboxed = True
if not sandboxed:
# Set permissions on superdirs, back to $prefix (but not including it)
# Not sure if this is necessary with the umask forcing. It might help
# fix some broken installs.
for file_targ in install_targs:
d = os.path.normpath(target)
d_prev = None
while d != d_prev and d != '$prefix':
d_prev = d
if not set_dir_postaction.has_key(d):
env.AddPostAction(file_targ, Chmod(d, dirperms))
set_dir_postaction[d] = True
d = os.path.dirname(d)
return install_targs
def install_tree(env, dest, path, perms=0644, dirperms=0755):
assert os.path.isdir(path)
target_root = join(dest, os.path.basename(path))
for dirpath, dirnames, filenames in os.walk(path):
reltarg = os.path.relpath(dirpath, path)
target_dir = join(target_root, reltarg)
target_dir = os.path.normpath(target_dir)
filepaths = [join(dirpath, basename) for basename in filenames]
install_perms(env, target_dir, filepaths, perms=perms, dirperms=dirperms)
def createStaticPicLibraryBuilder(env):
"""This is a utility function that creates the StaticExtLibrary Builder in
an Environment if it is not there already.
If it is already there, we return the existing one."""
import SCons.Action
try:
static_extlib = env['BUILDERS']['StaticPicLibrary']
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)
static_extlib = SCons.Builder.Builder(action = action_list,
emitter = '$LIBEMITTER',
prefix = '$LIBPREFIX',
suffix = '$LIBSUFFIX',
src_suffix = '$OBJSUFFIX',
src_builder = 'SharedObject')
env['BUILDERS']['StaticPicLibrary'] = static_extlib
return static_extlib
createStaticPicLibraryBuilder(env)
# Common
install_tree(env, '$prefix/share/mypaint', 'brushes')
# These hierarchies belong entirely to us, so unmake if asked.
env.Clean('$prefix', '$prefix/lib/mypaint')
env.Clean('$prefix', '$prefix/share/mypaint')
# Convenience alias for installing to $prefix
env.Alias('install', '$prefix')
Export('env', 'install_tree', 'install_perms')
if not env['brushlib_only']:
print "Enabling i18n for brushlib in full application build"
env['enable_brushlib_i18n'] = True
brushlib = SConscript('./brushlib/SConscript')
if not env['brushlib_only']:
application = SConscript('./SConscript')
Depends(application, brushlib)
# vim:syntax=python