scons: rename some things from m5 to gem5

The default generated binary is now gem5.<type> instead of m5.<type>.
The latter does still work but gem5.<type> will be generated first and
then m5.<type> will be hard linked to it.

diff --git a/src/SConscript b/src/SConscript
index 432450b036b15f2408f9fd4039b2406b9106baae..46f77049908adf066ff8bad80036c25ca835c5f4 100755 (executable)
--- a/src/SConscript
+++ b/src/SConscript
@@ -41,7 +41,7 @@ from os.path import basename, dirname, exists, isdir, isfile, join as joinpath
 
 import SCons
 
-# This file defines how to build a particular configuration of M5
+# This file defines how to build a particular configuration of gem5
 # based on variable settings in the 'env' build environment.
 
 Import('*')
@@ -61,8 +61,8 @@ from m5.util import code_formatter
 # get specifies a set of filters, only files that match those filters
 # will be accepted (unspecified filters on files are assumed to be
 # false).  Current filters are:
-#     main -- specifies the m5 main() function
-#     skip_lib -- do not put this file into the m5 library
+#     main -- specifies the gem5 main() function
+#     skip_lib -- do not put this file into the gem5 library
 #     <unittest> -- unit tests use filters based on the unit test name
 #
 # A parent can now be specified for a source file and default filter
@@ -298,7 +298,7 @@ for extra_dir in extras_dir_list:
     env.Append(CPPPATH=Dir(extra_dir))
 
 # Workaround for bug in SCons version > 0.97d20071212
-# Scons bug id: 2006 M5 Bug id: 308 
+# Scons bug id: 2006 gem5 Bug id: 308
 for root, dirs, files in os.walk(base_dir, topdown=True):
     Dir(root[len(base_dir) + 1:])
 
@@ -866,8 +866,9 @@ date_source = Source('base/date.cc', skip_lib=True)
 def makeEnv(label, objsfx, strip = False, **kwargs):
     # SCons doesn't know to append a library suffix when there is a '.' in the
     # name.  Use '_' instead.
-    libname = 'm5_' + label
-    exename = 'm5.' + label
+    libname = 'gem5_' + label
+    exename = 'gem5.' + label
+    secondary_exename = 'm5.' + label
 
     new_env = env.Clone(OBJSUFFIX=objsfx, SHOBJSUFFIX=objsfx + 's')
     new_env.Label = label
@@ -943,7 +944,10 @@ def makeEnv(label, objsfx, strip = False, **kwargs):
             cmd = 'strip $SOURCE -o $TARGET'
         targets = new_env.Command(exename, progname,
                     MakeAction(cmd, Transform("STRIP")))
-            
+
+    new_env.Command(secondary_exename, exename,
+            MakeAction('ln $SOURCE $TARGET', Transform("HARDLINK")))
+
     new_env.M5Binary = targets[0]
     envList.append(new_env)