small fixes to editor.cc

git-svn-id: svn://localhost/trunk/ardour2@77 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 14 insertions, 1 deletions

diff --git a/SConstruct b/SConstruct
index 84d6fadadc..ac049cf405 100644
--- a/SConstruct
+++ b/SConstruct
@@ -38,7 +38,6 @@ opts.AddOptions(
     BoolOption('BUILD_SSE_OPTIMIZATIONS', 'Use our hand-written x86/SSE optimizations when possible (off by default)', 0)
   )
 
-
 #----------------------------------------------------------------------
 # a handy helper that provides a way to merge compile/link information
 # from multiple different "environments"
@@ -519,6 +518,20 @@ else:
 
 config_prefix = '$DESTDIR' + final_config_prefix
 
+
+# SCons should really do this for us
+
+conf = Configure (env)
+
+have_cxx = conf.TryAction (Action (env['CXX'] + ' --version'));
+if have_cxx[0] != 1:
+    print "This system has no functional C++ compiler. You cannot build Ardour from source without one."
+    exit (1);
+else:
+    print "Congratulations, you have a functioning C++ compiler."
+    
+env = conf.Finish()
+
 #
 # Compiler flags and other system-dependent stuff
 #