mirror of
https://github.com/Relintai/pandemonium_engine.git
synced 2024-12-21 11:26:53 +01:00
115 lines
3.5 KiB
Python
115 lines
3.5 KiB
Python
# MIT License
|
|
#
|
|
# Copyright The SCons Foundation
|
|
#
|
|
# 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, sublicense, 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 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
|
|
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 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.
|
|
|
|
"""Dependency scanner for program files."""
|
|
|
|
import SCons.Node
|
|
import SCons.Node.FS
|
|
import SCons.Util
|
|
from . import ScannerBase, FindPathDirs
|
|
|
|
# global, set by --debug=findlibs
|
|
print_find_libs = None
|
|
|
|
def ProgramScanner(**kwargs):
|
|
"""Return a prototype Scanner instance for scanning executable
|
|
files for static-lib dependencies"""
|
|
kwargs['path_function'] = FindPathDirs('LIBPATH')
|
|
ps = ScannerBase(scan, "ProgramScanner", **kwargs)
|
|
return ps
|
|
|
|
def _subst_libs(env, libs):
|
|
"""Substitute environment variables and split into list."""
|
|
if SCons.Util.is_String(libs):
|
|
libs = env.subst(libs)
|
|
if SCons.Util.is_String(libs):
|
|
libs = libs.split()
|
|
elif SCons.Util.is_Sequence(libs):
|
|
_libs = []
|
|
for l in libs:
|
|
_libs += _subst_libs(env, l)
|
|
libs = _libs
|
|
else:
|
|
# libs is an object (Node, for example)
|
|
libs = [libs]
|
|
return libs
|
|
|
|
def scan(node, env, libpath = ()):
|
|
"""Scans program files for static-library dependencies.
|
|
|
|
It will search the LIBPATH environment variable
|
|
for libraries specified in the LIBS variable, returning any
|
|
files it finds as dependencies.
|
|
"""
|
|
try:
|
|
libs = env['LIBS']
|
|
except KeyError:
|
|
# There are no LIBS in this environment, so just return a null list:
|
|
return []
|
|
|
|
libs = _subst_libs(env, libs)
|
|
|
|
try:
|
|
prefix = env['LIBPREFIXES']
|
|
if not SCons.Util.is_List(prefix):
|
|
prefix = [ prefix ]
|
|
except KeyError:
|
|
prefix = [ '' ]
|
|
|
|
try:
|
|
suffix = env['LIBSUFFIXES']
|
|
if not SCons.Util.is_List(suffix):
|
|
suffix = [ suffix ]
|
|
except KeyError:
|
|
suffix = [ '' ]
|
|
|
|
pairs = []
|
|
for suf in map(env.subst, suffix):
|
|
for pref in map(env.subst, prefix):
|
|
pairs.append((pref, suf))
|
|
|
|
result = []
|
|
|
|
if callable(libpath):
|
|
libpath = libpath()
|
|
|
|
find_file = SCons.Node.FS.find_file
|
|
adjustixes = SCons.Util.adjustixes
|
|
for lib in libs:
|
|
if SCons.Util.is_String(lib):
|
|
for pref, suf in pairs:
|
|
l = adjustixes(lib, pref, suf)
|
|
l = find_file(l, libpath, verbose=print_find_libs)
|
|
if l:
|
|
result.append(l)
|
|
else:
|
|
result.append(lib)
|
|
|
|
return result
|
|
|
|
# Local Variables:
|
|
# tab-width:4
|
|
# indent-tabs-mode:nil
|
|
# End:
|
|
# vim: set expandtab tabstop=4 shiftwidth=4:
|