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authorJörg Frings-Fürst <jff@merkur>2014-07-26 11:45:47 +0200
committerJörg Frings-Fürst <jff@merkur>2014-07-26 11:45:47 +0200
commit7c6b954c00c2a2eed2e975ec797216c515cd249d (patch)
tree475c0ae1b3b3b8be085b54420894896688ea363c /engine/SCons/Tool/g++.py
parent2176ae74d2f856582dd1e498a63a31949a7e19e2 (diff)
Imported Upstream version 2.3.2upstream/2.3.2
Diffstat (limited to 'engine/SCons/Tool/g++.py')
-rw-r--r--engine/SCons/Tool/g++.py34
1 files changed, 12 insertions, 22 deletions
diff --git a/engine/SCons/Tool/g++.py b/engine/SCons/Tool/g++.py
index d894644..837fde3 100644
--- a/engine/SCons/Tool/g++.py
+++ b/engine/SCons/Tool/g++.py
@@ -9,7 +9,7 @@ selection method.
"""
#
-# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 The SCons Foundation
+# Copyright (c) 2001 - 2014 The SCons Foundation
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
@@ -31,7 +31,7 @@ selection method.
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
-__revision__ = "src/engine/SCons/Tool/g++.py 2014/03/02 14:18:15 garyo"
+__revision__ = "src/engine/SCons/Tool/g++.py 2014/07/05 09:42:21 garyo"
import os.path
import re
@@ -40,6 +40,8 @@ import subprocess
import SCons.Tool
import SCons.Util
+import gcc
+
cplusplus = __import__('c++', globals(), locals(), [])
compilers = ['g++']
@@ -48,9 +50,10 @@ def generate(env):
"""Add Builders and construction variables for g++ to an Environment."""
static_obj, shared_obj = SCons.Tool.createObjBuilders(env)
- cplusplus.generate(env)
+ if 'CXX' not in env:
+ env['CXX'] = env.Detect(compilers) or compilers[0]
- env['CXX'] = env.Detect(compilers)
+ cplusplus.generate(env)
# platform specific settings
if env['PLATFORM'] == 'aix':
@@ -62,26 +65,13 @@ def generate(env):
elif env['PLATFORM'] == 'sunos':
env['SHOBJSUFFIX'] = '.pic.o'
# determine compiler version
- if env['CXX']:
- #pipe = SCons.Action._subproc(env, [env['CXX'], '-dumpversion'],
- pipe = SCons.Action._subproc(env, [env['CXX'], '--version'],
- stdin = 'devnull',
- stderr = 'devnull',
- stdout = subprocess.PIPE)
- if pipe.wait() != 0: return
- # -dumpversion was added in GCC 3.0. As long as we're supporting
- # GCC versions older than that, we should use --version and a
- # regular expression.
- #line = pipe.stdout.read().strip()
- #if line:
- # env['CXXVERSION'] = line
- line = pipe.stdout.readline()
- match = re.search(r'[0-9]+(\.[0-9]+)+', line)
- if match:
- env['CXXVERSION'] = match.group(0)
+ version = gcc.detect_version(env, env['CXX'])
+ if version:
+ env['CXXVERSION'] = version
def exists(env):
- return env.Detect(compilers)
+ # is executable, and is a GNU compiler (or accepts '--version' at least)
+ return gcc.detect_version(env, env.Detect(env.get('CXX', compilers)))
# Local Variables:
# tab-width:4