SCons: new build target for experimental code

SConstruct

@@ -190,6 +190,7 @@ USAGE:   scons [-c] [OPTS] [key=val [key=val...]] [TARGETS]
 
 Special Targets:
      build   : just compile and link
+     research: build experimental code (might fail)
      testcode: additionally compile the Testsuite
      check   : build and run the Testsuite
      doc     : generate documentation (Doxygen)
@@ -370,13 +371,12 @@ def defineBuildTargets(env, artifacts):
                        )
     
     # call subdir SConscript(s) for independent components
-    SConscript(dirs=['src/tool'], exports='env artifacts core')
-    SConscript(dirs=['tests'],    exports='env artifacts core')
+    SConscript(dirs=['src/tool','research','tests'], exports='env artifacts core')
 
 
 
 def definePostBuildTargets(env, artifacts):
-    """ define further actions after the core build (e.g. Documentaion).
+    """ define further actions after the core build (e.g. Documentation).
         define alias targets to trigger the installing.
     """
     build = env.Alias('build', ( artifacts['lumiera']

research/DIR_INFO

@@ -0,0 +1 @@
+Experiments and Investigations. Not installed

research/SConscript

@@ -0,0 +1,21 @@
+# -*- python -*-
+##
+## SConscript  -  SCons buildscript for experiments and investigations.
+##                Things defined here usuall won't be installed
+##
+
+Import('env','artifacts','core')
+
+support_lib = artifacts['support']
+
+
+
+# build additional test and administrative tools....
+experiments = [ env.Program('try', ['try.cpp'] + support_lib)           #### to try out some feature...
+              ]
+
+#
+# define Phony targets
+#  - 'scons research' triggers building of experimental code
+#
+env.Alias('research', experiments )

src/tool/SConscript

@@ -17,7 +17,6 @@ rsvg    = envSvg.Program('rsvg-convert','rsvg-convert.c')
 
 # build additional test and administrative tools....
 artifacts['tools'] = [ env.Program('hello-world','hello.c', install=True)      #### hello world (checks C build)      
-                     + env.Program('try', ['try.cpp'] + support_lib)           #### to try out some feature...
                      + luidgen
                      + rsvg
                      ]