From 4ab232da4441162e512f85a122b26364496f4801 Mon Sep 17 00:00:00 2001
From: Ray Speth <speth@mit.edu>
Date: Wed, 18 Jan 2012 23:44:57 +0000
Subject: [PATCH] Allow optional collection of code coverage information with
 gcc

---
 .gitignore |  2 ++
 SConstruct | 15 +++++++++++++++
 2 files changed, 17 insertions(+)

diff --git a/.gitignore b/.gitignore
index 4710e6173..0dc5fd950 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,3 +25,5 @@ config.log
 .pydevproject
 .settings
 Cantera/matlab/build_cantera.m
+*.gcda
+*.gcno
diff --git a/SConstruct b/SConstruct
index 3ddf8d4c4..df5e9b022 100644
--- a/SConstruct
+++ b/SConstruct
@@ -222,6 +222,11 @@ opts.AddVariables(
         'debug',
         """Enable extra printing code to aid in debugging.""",
         False),
+    BoolVariable(
+        'coverage',
+        """Enable collection of code coverage information with gcov.
+           Available only when compiling with gcc.""",
+        False),
     BoolVariable(
         'with_lattice_solid',
         """Include thermodynamic model for lattice solids in the
@@ -709,6 +714,16 @@ else:
     env['CCFLAGS'] = listify(env['cc_flags']) + listify(env['debug_flags'])
     env['LINKFLAGS'] += listify(defaults.debugLinkFlags)
 
+if env['coverage']:
+    if  env['CC'] == 'gcc':
+        env.Append(CCFLAGS=['-fprofile-arcs', '-ftest-coverage'])
+        env.Append(LINKFLAGS=['-fprofile-arcs', '-ftest-coverage'])
+#        ipdb()
+
+    else:
+        print 'Error: coverage testing is only available with GCC'
+        exit(0)
+
 # **************************************
 # *** Set options needed in config.h ***
 # **************************************