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-rw-r--r--src/engine/SCons/Tool/swig.py43
1 files changed, 34 insertions, 9 deletions
diff --git a/src/engine/SCons/Tool/swig.py b/src/engine/SCons/Tool/swig.py
index dedf103..2e61b91 100644
--- a/src/engine/SCons/Tool/swig.py
+++ b/src/engine/SCons/Tool/swig.py
@@ -10,7 +10,7 @@ selection method.
from __future__ import print_function
#
-# Copyright (c) 2001 - 2017 The SCons Foundation
+# Copyright (c) 2001 - 2019 The SCons Foundation
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
@@ -32,9 +32,10 @@ from __future__ import print_function
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
-__revision__ = "src/engine/SCons/Tool/swig.py rel_3.0.0:4395:8972f6a2f699 2017/09/18 12:59:24 bdbaddog"
+__revision__ = "src/engine/SCons/Tool/swig.py e724ae812eb96f4858a132f5b8c769724744faf6 2019-07-21 00:04:47 bdeegan"
import os.path
+import sys
import re
import subprocess
@@ -69,7 +70,9 @@ def _find_modules(src):
directors = 0
mnames = []
try:
- matches = _reModule.findall(open(src).read())
+ with open(src) as f:
+ data = f.read()
+ matches = _reModule.findall(data)
except IOError:
# If the file's not yet generated, guess the module name from the file stem
matches = []
@@ -134,21 +137,31 @@ def _swigEmitter(target, source, env):
def _get_swig_version(env, swig):
"""Run the SWIG command line tool to get and return the version number"""
+ version = None
swig = env.subst(swig)
+ if not swig:
+ return version
pipe = SCons.Action._subproc(env, SCons.Util.CLVar(swig) + ['-version'],
stdin = 'devnull',
stderr = 'devnull',
stdout = subprocess.PIPE)
- if pipe.wait() != 0: return
+ if pipe.wait() != 0:
+ return version
# MAYBE: out = SCons.Util.to_str (pipe.stdout.read())
- out = SCons.Util.to_str(pipe.stdout.read())
- match = re.search('SWIG Version\s+(\S+).*', out, re.MULTILINE)
+ with pipe.stdout:
+ out = SCons.Util.to_str(pipe.stdout.read())
+
+ match = re.search(r'SWIG Version\s+(\S+).*', out, re.MULTILINE)
if match:
- if verbose: print("Version is:%s"%match.group(1))
- return match.group(1)
+ version = match.group(1)
+ if verbose:
+ print("Version is: %s" % version)
else:
- if verbose: print("Unable to detect version: [%s]"%out)
+ if verbose:
+ print("Unable to detect version: [%s]" % out)
+
+ return version
def generate(env):
"""Add Builders and construction variables for swig to an Environment."""
@@ -169,6 +182,18 @@ def generate(env):
java_file.add_action('.i', SwigAction)
java_file.add_emitter('.i', _swigEmitter)
+ from SCons.Platform.mingw import MINGW_DEFAULT_PATHS
+ from SCons.Platform.cygwin import CYGWIN_DEFAULT_PATHS
+ from SCons.Platform.win32 import CHOCO_DEFAULT_PATH
+
+ if sys.platform == 'win32':
+ swig = SCons.Tool.find_program_path(env, 'swig', default_paths=MINGW_DEFAULT_PATHS + CYGWIN_DEFAULT_PATHS + CHOCO_DEFAULT_PATH)
+ if swig:
+ swig_bin_dir = os.path.dirname(swig)
+ env.AppendENVPath('PATH', swig_bin_dir)
+ else:
+ SCons.Warnings.Warning('swig tool requested, but binary not found in ENV PATH')
+
if 'SWIG' not in env:
env['SWIG'] = env.Detect(swigs) or swigs[0]
env['SWIGVERSION'] = _get_swig_version(env, env['SWIG'])