check for gcc 4.5 and prohibit compilation with optimization if found

git-svn-id: svn://localhost/ardour2/branches/3.0@7219 d708f5d6-7413-0410-9779-e7cbd77b26cf

diff --git a/wscript b/wscript
index f7fe4adee0ebb75ec521f725c78fb9fc38ec0885..9b41223a847ece4806ead97fbad1990808bb6bdb 100644 (file)
--- a/wscript
+++ b/wscript
@@ -44,6 +44,12 @@ def fetch_svn_revision (path):
        cmd = "LANG= svn info " + path + " | awk '/^Revision:/ { print $2}'"
        return commands.getoutput(cmd)
 
+def fetch_gcc_version ():
+       cmd = "LANG= gcc --version"
+       output = commands.getoutput(cmd).splitlines()
+        version = output[0].split(' ')[2].split('.')
+       return version
+
 def fetch_git_revision (path):
        cmd = "LANG= git log --abbrev HEAD^..HEAD " + path
        output = commands.getoutput(cmd).splitlines()
@@ -375,7 +381,13 @@ def configure(conf):
         conf.env['VERSION'] = VERSION
        autowaf.set_recursive()
        autowaf.configure(conf)
-       
+
+       gcc_versions = fetch_gcc_version()
+        if Options.options.debug and gcc_versions[0] == '4' and gcc_versions[1] > '4':
+                print 'Version 4.5 of gcc is not ready for use when compiling Ardour with optimization.'
+                print 'Please use a different version or re-configure with --debug'
+                exit (1)
+
        if sys.platform == 'darwin':
                #
                #       Define OSX as a uselib to use when compiling