commit 1349d2d72edad85e0fc264818543d7683de31a49
author Davide Pesavento <davide.pesavento@lip6.fr> Tue Aug 09 06:43:57 2016 +0200
committer Alexander Afanasyev <alexander.afanasyev@ucla.edu> Wed Aug 10 21:13:23 2016 -0700
tree 970890dc751d48609ba3f4bbff54a8f0a76b5bca
parent f8bf1b0affa86274a4b0f424e4c8a567ed37ba72

build: add waf-tool to simplify building with AddressSanitizer & friends

Change-Id: I368fe5bbbe3a92a7e82c22f56f6784761d94118d
Refs: #2589

.waf-tools/default-compiler-flags.py

diff --git a/.waf-tools/default-compiler-flags.py b/.waf-tools/default-compiler-flags.py
index abe0a25..fd15dbb 100644
--- a/.waf-tools/default-compiler-flags.py
+++ b/.waf-tools/default-compiler-flags.py
@@ -60,7 +60,7 @@
             supportedFlags += [flag]
 
     self.end_msg(' '.join(supportedFlags))
-    self.env.CXXFLAGS = supportedFlags + self.env.CXXFLAGS
+    self.env.prepend_value('CXXFLAGS', supportedFlags)
 
 @Configure.conf
 def add_supported_linkflags(self, linkflags):
@@ -78,7 +78,7 @@
             supportedFlags += [flag]
 
     self.end_msg(' '.join(supportedFlags))
-    self.env.LINKFLAGS = supportedFlags + self.env.LINKFLAGS
+    self.env.prepend_value('LINKFLAGS', supportedFlags)
 
 
 class CompilerFlags(object):

.waf-tools/sanitizers.py

diff --git a/.waf-tools/sanitizers.py b/.waf-tools/sanitizers.py
new file mode 100644
index 0000000..a8fe55d
--- /dev/null
+++ b/.waf-tools/sanitizers.py
@@ -0,0 +1,22 @@
+# -*- Mode: python; py-indent-offset: 4; indent-tabs-mode: nil; coding: utf-8; -*-
+
+def options(opt):
+    opt.add_option('--with-sanitizer', action='store', default='', dest='sanitizers',
+                   help='Comma-separated list of compiler sanitizers to enable [default=none]')
+
+def configure(conf):
+    for san in conf.options.sanitizers.split(','):
+        if not san:
+            continue
+
+        sanflag = '-fsanitize=%s' % san
+        conf.start_msg('Checking if compiler supports %s' % sanflag)
+
+        if conf.check_cxx(cxxflags=['-Werror', sanflag, '-fno-omit-frame-pointer'],
+                          linkflags=[sanflag], mandatory=False):
+            conf.end_msg('yes')
+            conf.env.append_unique('CXXFLAGS', [sanflag, '-fno-omit-frame-pointer'])
+            conf.env.append_unique('LINKFLAGS', [sanflag])
+        else:
+            conf.end_msg('no', color='RED')
+            conf.fatal('%s sanitizer is not supported by the current compiler' % san)