Merge default/tip.

64 files changed, 1920 insertions, 132 deletions

diff --git a/src/CHANGES.txt b/src/CHANGES.txt
index 29cb6a33..023338fa 100644
--- a/src/CHANGES.txt
+++ b/src/CHANGES.txt
@@ -4,6 +4,11 @@
 
                             Change Log
 
+  From Russel Winder:
+    - Changes made to the dmd tool to allow for various breaking changes
+      made in D 1.068 and 2.053 to do with the introduction of 64-bit
+      builds of DMD.   NB  D v.1 is now deprecated.
+
 RELEASE 2.X.X - 
 
   From Alexey Klimkin:
diff --git a/src/engine/MANIFEST-xml.in b/src/engine/MANIFEST-xml.in
index d2df7514..4a39c7d1 100644
--- a/src/engine/MANIFEST-xml.in
+++ b/src/engine/MANIFEST-xml.in
@@ -41,6 +41,7 @@ SCons/Tool/g++.xml
 SCons/Tool/g77.xml
 SCons/Tool/gas.xml
 SCons/Tool/gcc.xml
+SCons/Tool/gdc.xml
 SCons/Tool/gfortran.xml
 SCons/Tool/gnulink.xml
 SCons/Tool/gs.xml
@@ -59,6 +60,7 @@ SCons/Tool/jar.xml
 SCons/Tool/javac.xml
 SCons/Tool/javah.xml
 SCons/Tool/latex.xml
+SCons/Tool/ldc.xml
 SCons/Tool/lex.xml
 SCons/Tool/link.xml
 SCons/Tool/linkloc.xml
diff --git a/src/engine/MANIFEST.in b/src/engine/MANIFEST.in
index b12848a0..e1803327 100644
--- a/src/engine/MANIFEST.in
+++ b/src/engine/MANIFEST.in
@@ -76,6 +76,7 @@ SCons/Tool/c++.py
 SCons/Tool/cc.py
 SCons/Tool/cvf.py
 SCons/Tool/CVS.py
+SCons/Tool/DCommon.py
 SCons/Tool/default.py
 SCons/Tool/dmd.py
 SCons/Tool/dvi.py
@@ -92,6 +93,7 @@ SCons/Tool/g++.py
 SCons/Tool/g77.py
 SCons/Tool/gas.py
 SCons/Tool/gcc.py
+SCons/Tool/gdc.py
 SCons/Tool/gfortran.py
 SCons/Tool/gnulink.py
 SCons/Tool/gs.py
@@ -112,6 +114,7 @@ SCons/Tool/JavaCommon.py
 SCons/Tool/javac.py
 SCons/Tool/javah.py
 SCons/Tool/latex.py
+SCons/Tool/ldc.py
 SCons/Tool/lex.py
 SCons/Tool/link.py
 SCons/Tool/linkloc.py
diff --git a/src/engine/SCons/Tool/DCommon.py b/src/engine/SCons/Tool/DCommon.py
new file mode 100644
index 00000000..10baa1f6
--- /dev/null
+++ b/src/engine/SCons/Tool/DCommon.py
@@ -0,0 +1,87 @@
+"""SCons.Tool.DCommon
+
+Common code for the various D tools.
+
+Coded by Russel Winder (russel@winder.org.uk)
+2012-09-06
+"""
+#
+# __COPYRIGHT__
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+import os.path
+
+def isD(source):
+    if not source:
+        return 0
+    for s in source:
+        if s.sources:
+            ext = os.path.splitext(str(s.sources[0]))[1]
+            if ext == '.d':
+                return 1
+    return 0
+
+def addDPATHToEnv(env, executable):
+    dPath = env.WhereIs(executable)
+    if dPath:
+        phobosDir = dPath[:dPath.rindex(executable)] + '/../src/phobos'
+        if os.path.isdir(phobosDir):
+            env.Append(DPATH=[phobosDir])
+
+def setSmartLink(env, smart_link, smart_lib):
+    linkcom = env.get('LINKCOM')
+    try:
+        env['SMART_LINKCOM'] = smart_link[linkcom]
+    except KeyError:
+        def _smartLink(source, target, env, for_signature, defaultLinker=linkcom):
+            if isD(source):
+                # TODO: I'm not sure how to add a $DLINKCOMSTR variable
+                # so that it works with this _smartLink() logic,
+                # and I don't have a D compiler/linker to try it out,
+                # so we'll leave it alone for now.
+                return '$DLINKCOM'
+            else:
+                return defaultLinker
+        env['SMART_LINKCOM'] = smart_link[linkcom] = _smartLink
+
+    arcom = env.get('ARCOM')
+    try:
+        env['SMART_ARCOM'] = smart_lib[arcom]
+    except KeyError:
+        def _smartLib(source, target, env, for_signature, defaultLib=arcom):
+            if isD(source):
+                # TODO: I'm not sure how to add a $DLIBCOMSTR variable
+                # so that it works with this _smartLib() logic, and
+                # I don't have a D compiler/archiver to try it out,
+                # so we'll leave it alone for now.
+                return '$DLIBCOM'
+            else:
+                return defaultLib
+        env['SMART_ARCOM'] = smart_lib[arcom] = _smartLib
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4:
diff --git a/src/engine/SCons/Tool/__init__.py b/src/engine/SCons/Tool/__init__.py
index 53579593..969733cb 100644
--- a/src/engine/SCons/Tool/__init__.py
+++ b/src/engine/SCons/Tool/__init__.py
@@ -563,7 +563,7 @@ def tool_list(platform, env):
         assemblers = ['masm', 'nasm', 'gas', '386asm' ]
         fortran_compilers = ['gfortran', 'g77', 'ifl', 'cvf', 'f95', 'f90', 'fortran']
         ars = ['mslib', 'ar', 'tlib']
-        other_plat_tools=['msvs','midl']
+        other_plat_tools = ['msvs', 'midl']
     elif str(platform) == 'os2':
         "prefer IBM tools on OS/2"
         linkers = ['ilink', 'gnulink', ]#'mslink']
@@ -645,8 +645,10 @@ def tool_list(platform, env):
         fortran_compiler = FindTool(fortran_compilers, env) or fortran_compilers[0]
         ar = FindTool(ars, env) or ars[0]
 
+    d_compilers = ['dmd', 'gdc', 'ldc']
+    d_compiler = FindTool(d_compilers, env) or d_compilers[0]
+
     other_tools = FindAllTools(other_plat_tools + [
-                               'dmd',
                                #TODO: merge 'install' into 'filesystem' and
                                # make 'filesystem' the default
                                'filesystem',
@@ -669,7 +671,7 @@ def tool_list(platform, env):
                                ], env)
 
     tools = ([linker, c_compiler, cxx_compiler,
-              fortran_compiler, assembler, ar]
+              fortran_compiler, assembler, ar, d_compiler]
              + other_tools)
 
     return [x for x in tools if x]
diff --git a/src/engine/SCons/Tool/dmd.py b/src/engine/SCons/Tool/dmd.py
index a8faf5dc..83296965 100644
--- a/src/engine/SCons/Tool/dmd.py
+++ b/src/engine/SCons/Tool/dmd.py
@@ -3,14 +3,14 @@
 Tool-specific initialization for the Digital Mars D compiler.
 (http://digitalmars.com/d)
 
-Coded by Andy Friesen (andy@ikagames.com)
+Originally coded by Andy Friesen (andy@ikagames.com)
 15 November 2003
 
-Amended by Russel Winder (russel@russel.org.uk)
-2010-02-07
+Evolved by Russel Winder (russel@winder.org.uk)
+2010-02-07, 2010-11-17, 2011-02, 2011-05-14, 2012-05-08, 2012-09-02, 2012-09-06
 
 There are a number of problems with this script at this point in time.
-The one that irritates me the most is the Windows linker setup.  The D
+The one that irritates the most is the Windows linker setup.  The D
 linker doesn't have a way to add lib paths on the commandline, as far
 as I can see.  You have to specify paths relative to the SConscript or
 use absolute paths.  To hack around it, add '#/blah'.  This will link
@@ -60,6 +60,7 @@ Lib tool variables:
 __revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
 
 import os
+import subprocess
 
 import SCons.Action
 import SCons.Builder
@@ -67,26 +68,12 @@ import SCons.Defaults
 import SCons.Scanner.D
 import SCons.Tool
 
-# Adapted from c++.py
-def isD(source):
-    if not source:
-        return 0
-
-    for s in source:
-        if s.sources:
-            ext = os.path.splitext(str(s.sources[0]))[1]
-            if ext == '.d':
-                return 1
-    return 0
+import SCons.Tool.DCommon
 
 smart_link = {}
-
 smart_lib = {}
 
 def generate(env):
-    global smart_link
-    global smart_lib
-
     static_obj, shared_obj = SCons.Tool.createObjBuilders(env)
 
     DAction = SCons.Action.Action('$DCOM', '$DCOMSTR')
@@ -110,14 +97,7 @@ def generate(env):
     env['DDEBUG'] = []
 
     if dc:
-        # Add the path to the standard library.
-        # This is merely for the convenience of the dependency scanner.
-        dmd_path = env.WhereIs(dc)
-        if dmd_path:
-            x = dmd_path.rindex(dc)
-            phobosDir = dmd_path[:x] + '/../src/phobos'
-            if os.path.isdir(phobosDir):
-                env.Append(DPATH = [phobosDir])
+        SCons.Tool.DCommon.addDPATHToEnv(env, dc)
 
     env['DINCPREFIX'] = '-I'
     env['DINCSUFFIX'] = ''
@@ -129,106 +109,34 @@ def generate(env):
     env['DFLAGSUFFIX'] = ''
     env['DFILESUFFIX'] = '.d'
 
-    # Need to use the Digital Mars linker/lib on windows.
-    # *nix can just use GNU link.
-    if env['PLATFORM'] == 'win32':
-        env['DLINK'] = '$DC'
-        env['DLINKCOM'] = '$DLINK -of$TARGET $SOURCES $DFLAGS $DLINKFLAGS $_DLINKLIBFLAGS'
-        env['DLIB'] = 'lib'
-        env['DLIBCOM'] = '$DLIB $_DLIBFLAGS -c $TARGET $SOURCES $_DLINKLIBFLAGS'
-
-        env['_DLINKLIBFLAGS'] = '$( ${_concat(DLIBLINKPREFIX, LIBS, DLIBLINKSUFFIX, __env__, RDirs, TARGET, SOURCE)} $)'
-        env['_DLIBFLAGS'] = '$( ${_concat(DLIBFLAGPREFIX, DLIBFLAGS, DLIBFLAGSUFFIX, __env__)} $)'
-        env['DLINKFLAGS'] = []
-        env['DLIBLINKPREFIX'] = ''
-        env['DLIBLINKSUFFIX'] = '.lib'
-        env['DLIBFLAGPREFIX'] = '-'
-        env['DLIBFLAGSUFFIX'] = ''
-        env['DLINKFLAGPREFIX'] = '-'
-        env['DLINKFLAGSUFFIX'] = ''
-
-        SCons.Tool.createStaticLibBuilder(env)
-
-        # Basically, we hijack the link and ar builders with our own.
-        # these builders check for the presence of D source, and swap out
-        # the system's defaults for the Digital Mars tools.  If there's no D
-        # source, then we silently return the previous settings.
-        linkcom = env.get('LINKCOM')
-        try:
-            env['SMART_LINKCOM'] = smart_link[linkcom]
-        except KeyError:
-            def _smartLink(source, target, env, for_signature,
-                           defaultLinker=linkcom):
-                if isD(source):
-                    # XXX I'm not sure how to add a $DLINKCOMSTR variable
-                    # so that it works with this _smartLink() logic,
-                    # and I don't have a D compiler/linker to try it out,
-                    # so we'll leave it alone for now.
-                    return '$DLINKCOM'
-                else:
-                    return defaultLinker
-            env['SMART_LINKCOM'] = smart_link[linkcom] = _smartLink
-
-        arcom = env.get('ARCOM')
-        try:
-            env['SMART_ARCOM'] = smart_lib[arcom]
-        except KeyError:
-            def _smartLib(source, target, env, for_signature,
-                         defaultLib=arcom):
-                if isD(source):
-                    # XXX I'm not sure how to add a $DLIBCOMSTR variable
-                    # so that it works with this _smartLib() logic, and
-                    # I don't have a D compiler/archiver to try it out,
-                    # so we'll leave it alone for now.
-                    return '$DLIBCOM'
-                else:
-                    return defaultLib
-            env['SMART_ARCOM'] = smart_lib[arcom] = _smartLib
-
-        # It is worth noting that the final space in these strings is
-        # absolutely pivotal.  SCons sees these as actions and not generators
-        # if it is not there. (very bad)
-        env['ARCOM'] = '$SMART_ARCOM '
-        env['LINKCOM'] = '$SMART_LINKCOM '
-    else: # assuming linux
-        linkcom = env.get('LINKCOM')
-        try:
-            env['SMART_LINKCOM'] = smart_link[linkcom]
-        except KeyError:
-            def _smartLink(source, target, env, for_signature,
-                           defaultLinker=linkcom, dc=dc):
-                if isD(source):
-                    try:
-                        libs = env['LIBS']
-                    except KeyError:
-                        libs = []
-                    if dc == 'dmd':
-                        # TODO: This assumes that the dmd executable is in the
-                        # bin directory and that the libraries are in a peer
-                        # directory lib.  This true of the Digital Mars
-                        # distribution but . . .
-                        import glob
-                        dHome = env.WhereIs(dc).replace('/dmd' , '/..')
-                        if glob.glob(dHome + '/lib/*phobos2*'):
-                            if 'phobos2' not in libs:
-                                env.Append(LIBPATH = [dHome + '/lib'])
-                                env.Append(LIBS = ['phobos2'])
-                                # TODO: Find out when there will be a
-                                # 64-bit version of D.
-                                env.Append(LINKFLAGS = ['-m32'])
-                        else:
-                            if 'phobos' not in libs:
-                                env.Append(LIBS = ['phobos'])
-                    elif dc is 'gdmd':
-                        env.Append(LIBS = ['gphobos'])
-                    if 'pthread' not in libs:
-                        env.Append(LIBS = ['pthread'])
-                    if 'm' not in libs:
-                        env.Append(LIBS = ['m'])
-                return defaultLinker
-            env['SMART_LINKCOM'] = smart_link[linkcom] = _smartLink
-
-        env['LINKCOM'] = '$SMART_LINKCOM '
+    env['DLINK'] = '$DC'
+    env['DLINKCOM'] = '$DLINK -of$TARGET $SOURCES $DFLAGS $DLINKFLAGS $_DLINKLIBFLAGS'
+    env['DLIB'] = 'lib'
+    env['DLIBCOM'] = '$DLIB $_DLIBFLAGS -c $TARGET $SOURCES $_DLINKLIBFLAGS'
+
+    env['_DLINKLIBFLAGS'] = '$( ${_concat(DLIBLINKPREFIX, LIBS, DLIBLINKSUFFIX, __env__, RDirs, TARGET, SOURCE)} $)'
+    env['_DLIBFLAGS'] = '$( ${_concat(DLIBFLAGPREFIX, DLIBFLAGS, DLIBFLAGSUFFIX, __env__)} $)'
+    env['DLINKFLAGS'] = []
+    env['DLIBLINKPREFIX'] = '' if env['PLATFORM'] == 'win32' else '-L-l'
+    env['DLIBLINKSUFFIX'] = '.lib' if env['PLATFORM'] == 'win32' else ''
+    env['DLIBFLAGPREFIX'] = '-'
+    env['DLIBFLAGSUFFIX'] = ''
+    env['DLINKFLAGPREFIX'] = '-'
+    env['DLINKFLAGSUFFIX'] = ''
+
+    SCons.Tool.createStaticLibBuilder(env)
+
+    # Basically, we hijack the link and ar builders with our own.
+    # these builders check for the presence of D source, and swap out
+    # the system's defaults for the Digital Mars tools.  If there's no D
+    # source, then we silently return the previous settings.
+    SCons.Tool.DCommon.setSmartLink(env, smart_link, smart_lib)
+
+    # It is worth noting that the final space in these strings is
+    # absolutely pivotal.  SCons sees these as actions and not generators
+    # if it is not there. (very bad)
+    env['ARCOM'] = '$SMART_ARCOM '
+    env['LINKCOM'] = '$SMART_LINKCOM '
 
 def exists(env):
     return env.Detect(['dmd', 'gdmd'])
diff --git a/src/engine/SCons/Tool/dmd.xml b/src/engine/SCons/Tool/dmd.xml
index 835a4eb9..fd2a8c61 100644
--- a/src/engine/SCons/Tool/dmd.xml
+++ b/src/engine/SCons/Tool/dmd.xml
@@ -6,8 +6,7 @@ See its __doc__ string for a discussion of the format.
 -->
 <tool name="dmd">
 <summary>
-Sets construction variables for D language compilers
-(the Digital Mars D compiler, or GDC).
+Sets construction variables for the D language compiler DMD or GDMD.
 </summary>
 <sets>
 <!--
diff --git a/src/engine/SCons/Tool/gdc.py b/src/engine/SCons/Tool/gdc.py
new file mode 100644
index 00000000..56efbb0e
--- /dev/null
+++ b/src/engine/SCons/Tool/gdc.py
@@ -0,0 +1,132 @@
+"""SCons.Tool.gdc
+
+Tool-specific initialization for the GDC compiler.
+(https://github.com/D-Programming-GDC/GDC)
+
+Coded by Russel Winder (russel@winder.org.uk)
+2012-05-09, 2012-09-06
+
+Compiler variables:
+    DC - The name of the D compiler to use.  Defaults to gdc.
+    DPATH - List of paths to search for import modules.
+    DVERSIONS - List of version tags to enable when compiling.
+    DDEBUG - List of debug tags to enable when compiling.
+
+Linker related variables:
+    LIBS - List of library files to link in.
+    DLINK - Name of the linker to use.  Defaults to gcc.
+    DLINKFLAGS - List of linker flags.
+
+Lib tool variables:
+    DLIB - Name of the lib tool to use.  Defaults to lib.
+    DLIBFLAGS - List of flags to pass to the lib tool.
+    LIBS - Same as for the linker. (libraries to pull into the .lib)
+"""
+
+#
+# __COPYRIGHT__
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+import SCons.Action
+import SCons.Defaults
+import SCons.Tool
+
+import SCons.Tool.DCommon
+
+smart_link = {}
+smart_lib = {}
+
+def generate(env):
+    static_obj, shared_obj = SCons.Tool.createObjBuilders(env)
+
+    DAction = SCons.Action.Action('$DCOM', '$DCOMSTR')
+
+    static_obj.add_action('.d', DAction)
+    shared_obj.add_action('.d', DAction)
+    static_obj.add_emitter('.d', SCons.Defaults.StaticObjectEmitter)
+    shared_obj.add_emitter('.d', SCons.Defaults.SharedObjectEmitter)
+
+    dc = env.Detect('gdc')
+    env['DC'] = dc
+    env['DCOM'] = '$DC $_DINCFLAGS $_DVERFLAGS $_DDEBUGFLAGS $_DFLAGS -c -o $TARGET $SOURCES'
+    env['_DINCFLAGS'] = '$( ${_concat(DINCPREFIX, DPATH, DINCSUFFIX, __env__, RDirs, TARGET, SOURCE)}  $)'
+    env['_DVERFLAGS'] = '$( ${_concat(DVERPREFIX, DVERSIONS, DVERSUFFIX, __env__)}  $)'
+    env['_DDEBUGFLAGS'] = '$( ${_concat(DDEBUGPREFIX, DDEBUG, DDEBUGSUFFIX, __env__)} $)'
+    env['_DFLAGS'] = '$( ${_concat(DFLAGPREFIX, DFLAGS, DFLAGSUFFIX, __env__)} $)'
+
+    env['DPATH'] = ['#/']
+    env['DFLAGS'] = []
+    env['DVERSIONS'] = []
+    env['DDEBUG'] = []
+
+    if dc:
+        SCons.Tool.DCommon.addDPATHToEnv(env, dc)
+
+    env['DINCPREFIX'] = '-I'
+    env['DINCSUFFIX'] = ''
+    env['DVERPREFIX'] = '-version='
+    env['DVERSUFFIX'] = ''
+    env['DDEBUGPREFIX'] = '-debug='
+    env['DDEBUGSUFFIX'] = ''
+    env['DFLAGPREFIX'] = '-'
+    env['DFLAGSUFFIX'] = ''
+    env['DFILESUFFIX'] = '.d'
+
+    env['DLINK'] = '$DC'
+    env['DLINKCOM'] = '$DLINK -o $TARGET $SOURCES $DFLAGS $DLINKFLAGS $_DLINKLIBFLAGS'
+    env['DLIB'] = 'lib'
+    env['DLIBCOM'] = '$DLIB $_DLIBFLAGS -c $TARGET $SOURCES $_DLINKLIBFLAGS'
+
+    env['_DLINKLIBFLAGS'] = '$( ${_concat(DLIBLINKPREFIX, LIBS, DLIBLINKSUFFIX, __env__, RDirs, TARGET, SOURCE)} $)'
+    env['_DLIBFLAGS'] = '$( ${_concat(DLIBFLAGPREFIX, DLIBFLAGS, DLIBFLAGSUFFIX, __env__)} $)'
+    env['DLINKFLAGS'] = []
+    env['DLIBLINKPREFIX'] = '' if env['PLATFORM'] == 'win32' else '-l'
+    env['DLIBLINKSUFFIX'] = '.lib' if env['PLATFORM'] == 'win32' else ''
+    env['DLIBFLAGPREFIX'] = '-'
+    env['DLIBFLAGSUFFIX'] = ''
+    env['DLINKFLAGPREFIX'] = '-'
+    env['DLINKFLAGSUFFIX'] = ''
+
+    SCons.Tool.createStaticLibBuilder(env)
+
+    # Basically, we hijack the link and ar builders with our own.
+    # these builders check for the presence of D source, and swap out
+    # the system's defaults for the Digital Mars tools.  If there's no D
+    # source, then we silently return the previous settings.
+    SCons.Tool.DCommon.setSmartLink(env, smart_link, smart_lib)
+
+    # It is worth noting that the final space in these strings is
+    # absolutely pivotal.  SCons sees these as actions and not generators
+    # if it is not there. (very bad)
+    env['ARCOM'] = '$SMART_ARCOM '
+    env['LINKCOM'] = '$SMART_LINKCOM '
+
+def exists(env):
+    return env.Detect('gdc')
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4:
diff --git a/src/engine/SCons/Tool/gdc.xml b/src/engine/SCons/Tool/gdc.xml
new file mode 100644
index 00000000..0388a311
--- /dev/null
+++ b/src/engine/SCons/Tool/gdc.xml
@@ -0,0 +1,52 @@
+<!--
+__COPYRIGHT__
+
+This file is processed by the bin/SConsDoc.py module.
+See its __doc__ string for a discussion of the format.
+-->
+<tool name="gdc">
+<summary>
+Sets construction variables for the D language compiler GDC.
+</summary>
+<sets>
+<!--
+DC
+DCOM
+_DINCFLAGS
+_DVERFLAGS
+_DDEBUGFLAGS
+_DFLAGS
+DPATH
+DFLAGS
+DVERSIONS
+DDEBUG
+DINCPREFIX
+DINCSUFFIX
+DVERPREFIX
+DVERSUFFIX
+DDEBUGPREFIX
+DDEBUGSUFFIX
+DFLAGPREFIX
+DFLAGSUFFIX
+DFLESUFFIX
+DLINK
+DLINKCOM
+DLIB
+DLIBCOM
+_DLINKLIBFLAGS
+_DLIBFLAGS
+DLINKFLAGS
+DLIBLINKPREFIX
+DLIBLINKSUFFIX
+DLIBFLAGPREFIX
+DLIBFLAGSUFFIX
+DLINKFLAGPREFIX
+DLINKFLAGSUFFIX
+LINKCOM
+ARCOM
+LIBS
+-->
+</sets>
+<uses>
+</uses>
+</tool>
diff --git a/src/engine/SCons/Tool/ldc.py b/src/engine/SCons/Tool/ldc.py
new file mode 100644
index 00000000..cc197ab3
--- /dev/null
+++ b/src/engine/SCons/Tool/ldc.py
@@ -0,0 +1,138 @@
+"""SCons.Tool.ldc
+
+Tool-specific initialization for the LDC compiler.
+(http://www.dsource.org/projects/ldc)
+
+Coded by Russel Winder (russel@winder.org.uk)
+2012-05-09, 2012-09-06
+
+Compiler variables:
+    DC - The name of the D compiler to use.  Defaults to ldc2.
+    DPATH - List of paths to search for import modules.
+    DVERSIONS - List of version tags to enable when compiling.
+    DDEBUG - List of debug tags to enable when compiling.
+
+Linker related variables:
+    LIBS - List of library files to link in.
+    DLINK - Name of the linker to use.  Defaults to gcc.
+    DLINKFLAGS - List of linker flags.
+
+Lib tool variables:
+    DLIB - Name of the lib tool to use.  Defaults to lib.
+    DLIBFLAGS - List of flags to pass to the lib tool.
+    LIBS - Same as for the linker. (libraries to pull into the .lib)
+"""
+
+#
+# __COPYRIGHT__
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+import os
+import subprocess
+
+import SCons.Action
+import SCons.Builder
+import SCons.Defaults
+import SCons.Scanner.D
+import SCons.Tool
+
+import SCons.Tool.DCommon
+
+smart_link = {}
+smart_lib = {}
+
+def generate(env):
+    static_obj, shared_obj = SCons.Tool.createObjBuilders(env)
+
+    DAction = SCons.Action.Action('$DCOM', '$DCOMSTR')
+
+    static_obj.add_action('.d', DAction)
+    shared_obj.add_action('.d', DAction)
+    static_obj.add_emitter('.d', SCons.Defaults.StaticObjectEmitter)
+    shared_obj.add_emitter('.d', SCons.Defaults.SharedObjectEmitter)
+
+    dc = env.Detect('ldc2')
+    env['DC'] = dc
+    env['DCOM'] = '$DC $_DINCFLAGS $_DVERFLAGS $_DDEBUGFLAGS $_DFLAGS -c -of=$TARGET $SOURCES'
+    env['_DINCFLAGS'] = '$( ${_concat(DINCPREFIX, DPATH, DINCSUFFIX, __env__, RDirs, TARGET, SOURCE)}  $)'
+    env['_DVERFLAGS'] = '$( ${_concat(DVERPREFIX, DVERSIONS, DVERSUFFIX, __env__)}  $)'
+    env['_DDEBUGFLAGS'] = '$( ${_concat(DDEBUGPREFIX, DDEBUG, DDEBUGSUFFIX, __env__)} $)'
+    env['_DFLAGS'] = '$( ${_concat(DFLAGPREFIX, DFLAGS, DFLAGSUFFIX, __env__)} $)'
+
+    env['DPATH'] = ['#/']
+    env['DFLAGS'] = []
+    env['DVERSIONS'] = []
+    env['DDEBUG'] = []
+
+    if dc:
+        SCons.Tool.DCommon.addDPATHToEnv(env, dc)
+
+    env['DINCPREFIX'] = '-I='
+    env['DINCSUFFIX'] = ''
+    env['DVERPREFIX'] = '-version='
+    env['DVERSUFFIX'] = ''
+    env['DDEBUGPREFIX'] = '-debug='
+    env['DDEBUGSUFFIX'] = ''
+    env['DFLAGPREFIX'] = '-'
+    env['DFLAGSUFFIX'] = ''
+    env['DFILESUFFIX'] = '.d'
+
+    env['DLINK'] = '$DC'
+    env['DLINKCOM'] = '$DLINK -of$TARGET $SOURCES $DFLAGS $DLINKFLAGS $_DLINKLIBFLAGS'
+    env['DLIB'] = 'lib'
+    env['DLIBCOM'] = '$DLIB $_DLIBFLAGS -c $TARGET $SOURCES $_DLINKLIBFLAGS'
+
+    env['_DLINKLIBFLAGS'] = '$( ${_concat(DLIBLINKPREFIX, LIBS, DLIBLINKSUFFIX, __env__, RDirs, TARGET, SOURCE)} $)'
+    env['_DLIBFLAGS'] = '$( ${_concat(DLIBFLAGPREFIX, DLIBFLAGS, DLIBFLAGSUFFIX, __env__)} $)'
+    env['DLINKFLAGS'] = []
+    env['DLIBLINKPREFIX'] = '' if env['PLATFORM'] == 'win32' else '-L-l'
+    env['DLIBLINKSUFFIX'] = '.lib' if env['PLATFORM'] == 'win32' else ''
+    env['DLIBFLAGPREFIX'] = '-'
+    env['DLIBFLAGSUFFIX'] = ''
+    env['DLINKFLAGPREFIX'] = '-'
+    env['DLINKFLAGSUFFIX'] = ''
+
+    SCons.Tool.createStaticLibBuilder(env)
+
+    # Basically, we hijack the link and ar builders with our own.
+    # these builders check for the presence of D source, and swap out
+    # the system's defaults for the Digital Mars tools.  If there's no D
+    # source, then we silently return the previous settings.
+    SCons.Tool.DCommon.setSmartLink(env, smart_link, smart_lib)
+
+    # It is worth noting that the final space in these strings is
+    # absolutely pivotal.  SCons sees these as actions and not generators
+    # if it is not there. (very bad)
+    env['ARCOM'] = '$SMART_ARCOM '
+    env['LINKCOM'] = '$SMART_LINKCOM '
+
+
+def exists(env):
+    return env.Detect('ldc2')
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4:
diff --git a/src/engine/SCons/Tool/ldc.xml b/src/engine/SCons/Tool/ldc.xml
new file mode 100644
index 00000000..6785dad0
--- /dev/null
+++ b/src/engine/SCons/Tool/ldc.xml
@@ -0,0 +1,52 @@
+<!--
+__COPYRIGHT__
+
+This file is processed by the bin/SConsDoc.py module.
+See its __doc__ string for a discussion of the format.
+-->
+<tool name="dmd">
+<summary>
+Sets construction variables for the D language compiler LDC2.
+</summary>
+<sets>
+<!--
+DC
+DCOM
+_DINCFLAGS
+_DVERFLAGS
+_DDEBUGFLAGS
+_DFLAGS
+DPATH
+DFLAGS
+DVERSIONS
+DDEBUG
+DINCPREFIX
+DINCSUFFIX
+DVERPREFIX
+DVERSUFFIX
+DDEBUGPREFIX
+DDEBUGSUFFIX
+DFLAGPREFIX
+DFLAGSUFFIX
+DFLESUFFIX
+DLINK
+DLINKCOM
+DLIB
+DLIBCOM
+_DLINKLIBFLAGS
+_DLIBFLAGS
+DLINKFLAGS
+DLIBLINKPREFIX
+DLIBLINKSUFFIX
+DLIBFLAGPREFIX
+DLIBFLAGSUFFIX
+DLINKFLAGPREFIX
+DLINKFLAGSUFFIX
+LINKCOM
+ARCOM
+LIBS
+-->
+</sets>
+<uses>
+</uses>
+</tool>
diff --git a/test/D/CoreScanner/Image/SConstruct_template b/test/D/CoreScanner/Image/SConstruct_template
new file mode 100644
index 00000000..a128c67b
--- /dev/null
+++ b/test/D/CoreScanner/Image/SConstruct_template
@@ -0,0 +1,9 @@
+# -*- mode:python; coding:utf-8; -*-
+
+import os
+
+environment = Environment(
+    ENV=os.environ,
+    tools=['link', '{}'])
+environment.Program('test1.d')
+environment.Program('test2.d')
diff --git a/test/D/CoreScanner/Image/ignored.d b/test/D/CoreScanner/Image/ignored.d
new file mode 100644
index 00000000..5b54a07b
--- /dev/null
+++ b/test/D/CoreScanner/Image/ignored.d
@@ -0,0 +1,3 @@
+module  ignored;
+
+int something;
diff --git a/test/D/CoreScanner/Image/module1.d b/test/D/CoreScanner/Image/module1.d
new file mode 100644
index 00000000..487c3583
--- /dev/null
+++ b/test/D/CoreScanner/Image/module1.d
@@ -0,0 +1,3 @@
+module  module1;
+
+int something;
diff --git a/test/D/CoreScanner/Image/module2.d b/test/D/CoreScanner/Image/module2.d
new file mode 100644
index 00000000..198fb748
--- /dev/null
+++ b/test/D/CoreScanner/Image/module2.d
@@ -0,0 +1,3 @@
+module  module2;
+
+int something;
diff --git a/test/D/CoreScanner/Image/module3.di b/test/D/CoreScanner/Image/module3.di
new file mode 100644
index 00000000..effd4ebe
--- /dev/null
+++ b/test/D/CoreScanner/Image/module3.di
@@ -0,0 +1,3 @@
+module  module3;
+
+int something;
diff --git a/test/D/CoreScanner/Image/p/ignored.d b/test/D/CoreScanner/Image/p/ignored.d
new file mode 100644
index 00000000..43d2bd87
--- /dev/null
+++ b/test/D/CoreScanner/Image/p/ignored.d
@@ -0,0 +1,3 @@
+module  p.ignored;
+
+int something;
diff --git a/test/D/CoreScanner/Image/p/submodule1.d b/test/D/CoreScanner/Image/p/submodule1.d
new file mode 100644
index 00000000..1ec03693
--- /dev/null
+++ b/test/D/CoreScanner/Image/p/submodule1.d
@@ -0,0 +1,3 @@
+module  p.submodule1;
+
+int something;
diff --git a/test/D/CoreScanner/Image/p/submodule2.d b/test/D/CoreScanner/Image/p/submodule2.d
new file mode 100644
index 00000000..57a28256
--- /dev/null
+++ b/test/D/CoreScanner/Image/p/submodule2.d
@@ -0,0 +1,3 @@
+module p.submodule2;
+
+int something;
diff --git a/test/D/CoreScanner/Image/test1.d b/test/D/CoreScanner/Image/test1.d
new file mode 100644
index 00000000..d386d977
--- /dev/null
+++ b/test/D/CoreScanner/Image/test1.d
@@ -0,0 +1,9 @@
+import module1;
+import module2;
+import module3;
+import p.submodule1;
+import p.submodule2;
+
+int main() {
+   return 0;
+}
diff --git a/test/D/CoreScanner/Image/test2.d b/test/D/CoreScanner/Image/test2.d
new file mode 100644
index 00000000..f880d2fa
--- /dev/null
+++ b/test/D/CoreScanner/Image/test2.d
@@ -0,0 +1,11 @@
+import
+   module1,
+   module2,
+   module3;
+import
+   p.submodule1,
+   p.submodule2;
+
+int main() {
+   return 0;
+}
diff --git a/test/D/CoreScanner/common.py b/test/D/CoreScanner/common.py
new file mode 100644
index 00000000..821e4df0
--- /dev/null
+++ b/test/D/CoreScanner/common.py
@@ -0,0 +1,99 @@
+"""
+Verify that the D scanner can return multiple modules imported by
+a single statement.
+"""
+
+#
+# __COPYRIGHT__
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+import TestSCons
+
+from os.path import abspath, dirname
+
+import sys
+sys.path.insert(1, abspath(dirname(__file__) + '/../Support'))
+
+from executablesSearch import isExecutableOfToolAvailable
+
+def testForTool(tool):
+
+    test = TestSCons.TestSCons()
+
+    _obj = TestSCons._obj
+
+    if not isExecutableOfToolAvailable(test, tool) :
+        test.skip_test("Required executable for tool '{}' not found, skipping test.\n".format(tool))
+
+    test.dir_fixture('Image')
+    test.write('SConstruct', open('SConstruct_template', 'r').read().format(tool))
+
+    arguments = 'test1%(_obj)s test2%(_obj)s' % locals()
+
+    if tool == 'dmd':
+        # The gdmd executable in Debian Unstable as at 2012-05-12, version 4.6.3 puts out messages on stderr
+        # that cause inappropriate failure of the tests, so simply ignore them.
+        test.run(arguments=arguments, stderr=None)
+    else:
+        test.run(arguments=arguments)
+
+    test.up_to_date(arguments=arguments)
+
+    test.write(['module2.d'], """\
+module  module2;
+
+int something_else;
+""")
+
+    if tool == 'dmd':
+        # The gdmd executable in Debian Unstable as at 2012-05-12, version 4.6.3 puts out messages on stderr
+        # that cause inappropriate failure of the tests, so simply ignore them.
+        test.not_up_to_date(arguments=arguments, stderr=None)
+    else:
+        test.not_up_to_date(arguments=arguments)
+
+    test.up_to_date(arguments=arguments)
+
+    test.write(['p', 'submodule2.d'], """\
+module p.submodule2;
+
+int something_else;
+""")
+
+    if tool == 'dmd':
+        # The gdmd executable in Debian Unstable as at 2012-05-12, version 4.6.3 puts out messages on stderr
+        # that cause inappropriate failure of the tests, so simply ignore them.
+        test.not_up_to_date(arguments=arguments, stderr=None)
+    else:
+        test.not_up_to_date(arguments=arguments)
+
+    test.up_to_date(arguments=arguments)
+
+    test.pass_test()
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4:
diff --git a/test/D/CoreScanner/sconstest-dmd.py b/test/D/CoreScanner/sconstest-dmd.py
new file mode 100644
index 00000000..7ee89557
--- /dev/null
+++ b/test/D/CoreScanner/sconstest-dmd.py
@@ -0,0 +1,37 @@
+"""
+Test compiling and executing using the dmd tool.
+"""
+
+#
+# __COPYRIGHT__
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+from common import testForTool
+testForTool('dmd')
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4:
diff --git a/test/D/CoreScanner/sconstest-gdc.py b/test/D/CoreScanner/sconstest-gdc.py
new file mode 100644
index 00000000..d6a7bee4
--- /dev/null
+++ b/test/D/CoreScanner/sconstest-gdc.py
@@ -0,0 +1,37 @@
+"""
+Test compiling and executing using the gdc tool.
+"""
+
+#
+# __COPYRIGHT__
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+from common import testForTool
+testForTool('gdc')
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4:
diff --git a/test/D/CoreScanner/sconstest-ldc.py b/test/D/CoreScanner/sconstest-ldc.py
new file mode 100644
index 00000000..4b90d074
--- /dev/null
+++ b/test/D/CoreScanner/sconstest-ldc.py
@@ -0,0 +1,37 @@
+"""
+Test compiling and executing using the ldc tool.
+"""
+
+#
+# __COPYRIGHT__
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+from common import testForTool
+testForTool('ldc')
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4:
diff --git a/test/D/DMD2.py b/test/D/DMD2.py
new file mode 100644
index 00000000..cc8ab93c
--- /dev/null
+++ b/test/D/DMD2.py
@@ -0,0 +1,64 @@
+#!/usr/bin/env python
+#
+# __COPYRIGHT__
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+#  Amended by Russel Winder <russel@russel.org.uk> 2010-05-05
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+import TestSCons
+
+_exe = TestSCons._exe
+test = TestSCons.TestSCons()
+
+if not test.where_is('dmd') and not test.where_is('gdmd'):
+    test.skip_test("Could not find 'dmd' or 'gdmd', skipping test.\n")
+
+test.write('SConstruct', """\
+import os
+env = Environment(tools=['link', 'dmd'], ENV=os.environ)
+if env['PLATFORM'] == 'cygwin': env['OBJSUFFIX'] = '.obj'  # trick DMD
+env.Program('foo', 'foo.d')
+""")
+
+test.write('foo.d', """\
+import std.stdio;
+int main(string[] args) {
+    printf("Hello!");
+    return 0;
+}
+""")
+
+test.run()
+
+test.run(program=test.workpath('foo'+_exe))
+
+test.fail_test(not test.stdout() == 'Hello!')
+
+test.pass_test()
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4:
diff --git a/test/D/GDC.py b/test/D/GDC.py
new file mode 100644
index 00000000..e24ec438
--- /dev/null
+++ b/test/D/GDC.py
@@ -0,0 +1,64 @@
+#!/usr/bin/env python
+#
+# __COPYRIGHT__
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+#  Amended by Russel Winder <russel@russel.org.uk> 2010-05-05
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+import TestSCons
+
+_exe = TestSCons._exe
+test = TestSCons.TestSCons()
+
+if not test.where_is('gdc'):
+    test.skip_test("Could not find 'gdc', skipping test.\n")
+
+test.write('SConstruct', """\
+import os
+env = Environment(tools=['link', 'gdc'], ENV=os.environ)
+if env['PLATFORM'] == 'cygwin': env['OBJSUFFIX'] = '.obj'  # trick DMD
+env.Program('foo', 'foo.d')
+""")
+
+test.write('foo.d', """\
+import std.stdio;
+int main(string[] args) {
+    printf("Hello!");
+    return 0;
+}
+""")
+
+test.run()
+
+test.run(program=test.workpath('foo'+_exe))
+
+test.fail_test(not test.stdout() == 'Hello!')
+
+test.pass_test()
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4:
diff --git a/test/D/HSTeoh/LinkingProblem/SConstruct_template b/test/D/HSTeoh/LinkingProblem/SConstruct_template
new file mode 100644
index 00000000..6815cdf3
--- /dev/null
+++ b/test/D/HSTeoh/LinkingProblem/SConstruct_template
@@ -0,0 +1,20 @@
+# -*- mode:python; coding=utf-8; -*-
+
+import os
+
+environment = Environment(
+    ENV=os.environ,
+    tools = ['cc', 'link' , '{}'],
+    LIBS = ['ncurses'])
+
+environment.Object('ncurs_impl.o', 'ncurs_impl.c')
+
+environment.Program('prog', Split("""
+	prog.d
+	ncurs_impl.o
+"""))
+
+environment.Program('cprog', Split("""
+	cprog.c
+	ncurs_impl.o
+"""))
diff --git a/test/D/HSTeoh/LinkingProblem/cprog.c b/test/D/HSTeoh/LinkingProblem/cprog.c
new file mode 100644
index 00000000..0871609e
--- /dev/null
+++ b/test/D/HSTeoh/LinkingProblem/cprog.c
@@ -0,0 +1,7 @@
+extern int ncurs_init();
+extern int ncurs_cleanup();
+
+int main() {
+	ncurs_init();
+	ncurs_cleanup();
+}
diff --git a/test/D/HSTeoh/LinkingProblem/ncurs_impl.c b/test/D/HSTeoh/LinkingProblem/ncurs_impl.c
new file mode 100644
index 00000000..01b6acb8
--- /dev/null
+++ b/test/D/HSTeoh/LinkingProblem/ncurs_impl.c
@@ -0,0 +1,13 @@
+/* Ncurses wrappers */
+#include <ncurses.h>
+
+int ncurs_init() {
+	initscr();
+	cbreak();
+	noecho();
+	keypad(stdscr, TRUE);
+}
+
+int ncurs_cleanup() {
+	endwin();
+}
diff --git a/test/D/HSTeoh/LinkingProblem/prog.d b/test/D/HSTeoh/LinkingProblem/prog.d
new file mode 100644
index 00000000..a6b2c858
--- /dev/null
+++ b/test/D/HSTeoh/LinkingProblem/prog.d
@@ -0,0 +1,14 @@
+/*
+ * Simple D program that links to ncurses via a C wrapping file.
+ */
+
+extern(C) {
+	int ncurs_init();
+	int ncurs_cleanup();
+}
+
+void main() {
+	ncurs_init();
+	ncurs_cleanup();
+}
+
diff --git a/test/D/HSTeoh/README.txt b/test/D/HSTeoh/README.txt
new file mode 100644
index 00000000..cb18b88b
--- /dev/null
+++ b/test/D/HSTeoh/README.txt
@@ -0,0 +1 @@
+The tests here are evolutions of test cases provided by H.S.Teoh via email.
diff --git a/test/D/HSTeoh/SingleStringCannotBeMultipleOptions/SConstruct_template b/test/D/HSTeoh/SingleStringCannotBeMultipleOptions/SConstruct_template
new file mode 100644
index 00000000..89c603b1
--- /dev/null
+++ b/test/D/HSTeoh/SingleStringCannotBeMultipleOptions/SConstruct_template
@@ -0,0 +1,16 @@
+# -*- mode:python; coding=utf-8; -*-
+
+import os
+
+environment = Environment(
+    ENV=os.environ,
+    tools=['link', '{}'],
+    # It might be thought that a single string can contain multiple options space separated. Actually this
+    # is deemed to be a single option, so leads to an error.
+    DFLAGS = '-m64 -O')
+
+environment.Program('proj', Split("""
+proj.d
+mod1.d
+cmod.c
+"""))
diff --git a/test/D/HSTeoh/SingleStringCannotBeMultipleOptions/cmod.c b/test/D/HSTeoh/SingleStringCannotBeMultipleOptions/cmod.c
new file mode 100644
index 00000000..41c57f3a
--- /dev/null
+++ b/test/D/HSTeoh/SingleStringCannotBeMultipleOptions/cmod.c
@@ -0,0 +1,5 @@
+/* This is a sample C module. */
+
+int csqr(int arg) {
+	return arg*arg;
+}
diff --git a/test/D/HSTeoh/SingleStringCannotBeMultipleOptions/mod1.d b/test/D/HSTeoh/SingleStringCannotBeMultipleOptions/mod1.d
new file mode 100644
index 00000000..5f618020
--- /dev/null
+++ b/test/D/HSTeoh/SingleStringCannotBeMultipleOptions/mod1.d
@@ -0,0 +1,6 @@
+module mod1;
+import std.stdio;
+
+void print_msg() {
+	writeln("Hello, this is a test program for the new SCons D support");
+}
diff --git a/test/D/HSTeoh/SingleStringCannotBeMultipleOptions/proj.d b/test/D/HSTeoh/SingleStringCannotBeMultipleOptions/proj.d
new file mode 100644
index 00000000..e97f9dd7
--- /dev/null
+++ b/test/D/HSTeoh/SingleStringCannotBeMultipleOptions/proj.d
@@ -0,0 +1,13 @@
+import std.stdio;
+import mod1;
+
+extern(C) {
+	int csqr(int arg);
+}
+
+void main() {
+	print_msg();
+
+	auto i = 17;
+	writefln("The square of %d is %d", i, csqr(i));
+}
diff --git a/test/D/HSTeoh/linkingProblem_common.py b/test/D/HSTeoh/linkingProblem_common.py
new file mode 100644
index 00000000..cb012acb
--- /dev/null
+++ b/test/D/HSTeoh/linkingProblem_common.py
@@ -0,0 +1,61 @@
+"""
+These tests check an issue with the LIBS environment variable.
+"""
+
+#
+# __COPYRIGHT__
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+import TestSCons
+
+from os.path import abspath, dirname
+
+import sys
+sys.path.insert(1, abspath(dirname(__file__) + '/../Support'))
+
+from executablesSearch import isExecutableOfToolAvailable
+
+def testForTool(tool):
+
+    test = TestSCons.TestSCons()
+
+    if not isExecutableOfToolAvailable(test, tool) :
+        test.skip_test("Required executable for tool '{}' not found, skipping test.\n".format(tool))
+
+    test.dir_fixture('LinkingProblem')
+    test.write('SConstruct', open('SConstruct_template', 'r').read().format(tool))
+
+    test.run()
+
+    test.must_exist(test.workpath('ncurs_impl.o'))
+    test.must_exist(test.workpath('cprog'))
+    test.must_exist(test.workpath('prog'))
+
+    test.pass_test()
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4:
diff --git a/test/D/HSTeoh/sconstest-linkingProblem_dmd.py b/test/D/HSTeoh/sconstest-linkingProblem_dmd.py
new file mode 100644
index 00000000..ba9608a4
--- /dev/null
+++ b/test/D/HSTeoh/sconstest-linkingProblem_dmd.py
@@ -0,0 +1,37 @@
+"""
+Test compiling and executing using the gdc tool.
+"""
+
+#
+# __COPYRIGHT__
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+from linkingProblem_common import testForTool
+testForTool('dmd')
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4:
diff --git a/test/D/HSTeoh/sconstest-linkingProblem_gdc.py b/test/D/HSTeoh/sconstest-linkingProblem_gdc.py
new file mode 100644
index 00000000..94a9aa17
--- /dev/null
+++ b/test/D/HSTeoh/sconstest-linkingProblem_gdc.py
@@ -0,0 +1,37 @@
+"""
+Test compiling and executing using the gdc tool.
+"""
+
+#
+# __COPYRIGHT__
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+from linkingProblem_common import testForTool
+testForTool('gdc')
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4:
diff --git a/test/D/HSTeoh/sconstest-linkingProblem_ldc.py b/test/D/HSTeoh/sconstest-linkingProblem_ldc.py
new file mode 100644
index 00000000..28ee64d6
--- /dev/null
+++ b/test/D/HSTeoh/sconstest-linkingProblem_ldc.py
@@ -0,0 +1,37 @@
+"""
+Test compiling and executing using the ldc tool.
+"""
+
+#
+# __COPYRIGHT__
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+from linkingProblem_common import testForTool
+testForTool('ldc')
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4:
diff --git a/test/D/HSTeoh/sconstest-singleStringCannotBeMultipleOptions_dmd.py b/test/D/HSTeoh/sconstest-singleStringCannotBeMultipleOptions_dmd.py
new file mode 100644
index 00000000..83fc3f2d
--- /dev/null
+++ b/test/D/HSTeoh/sconstest-singleStringCannotBeMultipleOptions_dmd.py
@@ -0,0 +1,37 @@
+"""
+Test compiling and executing using the dmd tool.
+"""
+
+#
+# __COPYRIGHT__
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+from singleStringCannotBeMultipleOptions_common import testForTool
+testForTool('dmd')
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4:
diff --git a/test/D/HSTeoh/sconstest-singleStringCannotBeMultipleOptions_gdc.py b/test/D/HSTeoh/sconstest-singleStringCannotBeMultipleOptions_gdc.py
new file mode 100644
index 00000000..55008fe7
--- /dev/null
+++ b/test/D/HSTeoh/sconstest-singleStringCannotBeMultipleOptions_gdc.py
@@ -0,0 +1,37 @@
+"""
+Test compiling and executing using the gdc tool.
+"""
+
+#
+# __COPYRIGHT__
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+from singleStringCannotBeMultipleOptions_common import testForTool
+testForTool('gdc')
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4:
diff --git a/test/D/HSTeoh/sconstest-singleStringCannotBeMultipleOptions_ldc.py b/test/D/HSTeoh/sconstest-singleStringCannotBeMultipleOptions_ldc.py
new file mode 100644
index 00000000..19127131
--- /dev/null
+++ b/test/D/HSTeoh/sconstest-singleStringCannotBeMultipleOptions_ldc.py
@@ -0,0 +1,37 @@
+"""
+Test compiling and executing using the ldc tool.
+"""
+
+#
+# __COPYRIGHT__
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+from singleStringCannotBeMultipleOptions_common import testForTool
+testForTool('ldc')
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4:
diff --git a/test/D/HSTeoh/singleStringCannotBeMultipleOptions_common.py b/test/D/HSTeoh/singleStringCannotBeMultipleOptions_common.py
new file mode 100644
index 00000000..e01e2d6d
--- /dev/null
+++ b/test/D/HSTeoh/singleStringCannotBeMultipleOptions_common.py
@@ -0,0 +1,66 @@
+"""
+These tests verify that SCons fails appropriately where the user has tried to supply multiple command line
+options via a single string rather than providing a list of strings, one string per option.
+"""
+
+#
+# __COPYRIGHT__
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+import TestSCons
+
+from os.path import abspath, dirname
+
+import sys
+sys.path.insert(1, abspath(dirname(__file__) + '/../Support'))
+
+from executablesSearch import isExecutableOfToolAvailable
+
+def testForTool(tool):
+
+    test = TestSCons.TestSCons()
+
+    if not isExecutableOfToolAvailable(test, tool) :
+        test.skip_test("Required executable for tool '{}' not found, skipping test.\n".format(tool))
+
+    test.dir_fixture('SingleStringCannotBeMultipleOptions')
+    test.write('SConstruct', open('SConstruct_template', 'r').read().format(tool))
+
+    test.run(status=2, stdout=None, stderr=None)
+
+    result = {
+        'dmd': ".*unrecognized switch '-m64 -O'.*",
+        'gdc': ".*unrecognized command line option.*",
+        'ldc': ".*Unknown command line argument '-m64 -O'.*",
+        }[tool]
+
+    test.fail_test(not test.match_re_dotall(test.stderr(), result))
+
+    test.pass_test()
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4:
diff --git a/test/D/HelloWorld/CompileAndLinkOneStep/Image/SConstruct_template b/test/D/HelloWorld/CompileAndLinkOneStep/Image/SConstruct_template
new file mode 100644
index 00000000..c688ab7f
--- /dev/null
+++ b/test/D/HelloWorld/CompileAndLinkOneStep/Image/SConstruct_template
@@ -0,0 +1,9 @@
+# -*- mode:python; coding:utf-8; -*-
+
+import os
+
+environment = Environment(
+    ENV=os.environ,
+    tools=['link', '{}'])
+
+environment.Program('helloWorld.d')
diff --git a/test/D/HelloWorld/CompileAndLinkOneStep/Image/helloWorld.d b/test/D/HelloWorld/CompileAndLinkOneStep/Image/helloWorld.d
new file mode 100644
index 00000000..4d95b240
--- /dev/null
+++ b/test/D/HelloWorld/CompileAndLinkOneStep/Image/helloWorld.d
@@ -0,0 +1,6 @@
+import std.stdio;
+
+int main(immutable string[] args) {
+  writeln("Hello World.");
+  return 0;
+}
diff --git a/test/D/HelloWorld/CompileAndLinkOneStep/common.py b/test/D/HelloWorld/CompileAndLinkOneStep/common.py
new file mode 100644
index 00000000..9694ebb6
--- /dev/null
+++ b/test/D/HelloWorld/CompileAndLinkOneStep/common.py
@@ -0,0 +1,68 @@
+"""
+Support functions for all the tests.
+"""
+
+#
+# __COPYRIGHT__
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+import TestSCons
+
+from os.path import abspath, dirname
+
+import sys
+sys.path.insert(1, abspath(dirname(__file__) + '/../../Support'))
+
+from executablesSearch import isExecutableOfToolAvailable
+
+def testForTool(tool):
+
+    test = TestSCons.TestSCons()
+
+    if not isExecutableOfToolAvailable(test, tool) :
+        test.skip_test("Required executable for tool '{}' not found, skipping test.\n".format(tool))
+
+    test.dir_fixture('Image')
+    test.write('SConstruct', open('SConstruct_template', 'r').read().format(tool))
+
+    if tool == 'dmd':
+        # The gdmd executable in Debian Unstable as at 2012-05-12, version 4.6.3 puts out messages on stderr
+        # that cause inappropriate failure of the tests, so simply ignore them.
+        test.run(stderr=None)
+    else:
+        test.run()
+
+    test.must_exist(test.workpath('helloWorld.o'))
+    test.must_exist(test.workpath('helloWorld'))
+
+    test.run(program=test.workpath('helloWorld'+TestSCons._exe))
+    test.fail_test(test.stdout() != 'Hello World.\n')
+
+    test.pass_test()
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4:
diff --git a/test/D/HelloWorld/CompileAndLinkOneStep/sconstest-dmd.py b/test/D/HelloWorld/CompileAndLinkOneStep/sconstest-dmd.py
new file mode 100644
index 00000000..7ee89557
--- /dev/null
+++ b/test/D/HelloWorld/CompileAndLinkOneStep/sconstest-dmd.py
@@ -0,0 +1,37 @@
+"""
+Test compiling and executing using the dmd tool.
+"""
+
+#
+# __COPYRIGHT__
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+from common import testForTool
+testForTool('dmd')
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4:
diff --git a/test/D/HelloWorld/CompileAndLinkOneStep/sconstest-gdc.py b/test/D/HelloWorld/CompileAndLinkOneStep/sconstest-gdc.py
new file mode 100644
index 00000000..d6a7bee4
--- /dev/null
+++ b/test/D/HelloWorld/CompileAndLinkOneStep/sconstest-gdc.py
@@ -0,0 +1,37 @@
+"""
+Test compiling and executing using the gdc tool.
+"""
+
+#
+# __COPYRIGHT__
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+from common import testForTool
+testForTool('gdc')
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4:
diff --git a/test/D/HelloWorld/CompileAndLinkOneStep/sconstest-ldc.py b/test/D/HelloWorld/CompileAndLinkOneStep/sconstest-ldc.py
new file mode 100644
index 00000000..4b90d074
--- /dev/null
+++ b/test/D/HelloWorld/CompileAndLinkOneStep/sconstest-ldc.py
@@ -0,0 +1,37 @@
+"""
+Test compiling and executing using the ldc tool.
+"""
+
+#
+# __COPYRIGHT__
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+from common import testForTool
+testForTool('ldc')
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4:
diff --git a/test/D/HelloWorld/CompileThenLinkTwoSteps/Image/SConstruct_template b/test/D/HelloWorld/CompileThenLinkTwoSteps/Image/SConstruct_template
new file mode 100644
index 00000000..425970a1
--- /dev/null
+++ b/test/D/HelloWorld/CompileThenLinkTwoSteps/Image/SConstruct_template
@@ -0,0 +1,11 @@
+# -*- mode:python; coding:utf-8; -*-
+
+import os
+
+environment = Environment(
+    ENV=os.environ,
+    tools=['link', '{}'])
+
+objects = environment.Object('helloWorld.d')
+
+environment.Program('helloWorld', objects)
diff --git a/test/D/HelloWorld/CompileThenLinkTwoSteps/Image/helloWorld.d b/test/D/HelloWorld/CompileThenLinkTwoSteps/Image/helloWorld.d
new file mode 100644
index 00000000..4d95b240
--- /dev/null
+++ b/test/D/HelloWorld/CompileThenLinkTwoSteps/Image/helloWorld.d
@@ -0,0 +1,6 @@
+import std.stdio;
+
+int main(immutable string[] args) {
+  writeln("Hello World.");
+  return 0;
+}
diff --git a/test/D/HelloWorld/CompileThenLinkTwoSteps/common.py b/test/D/HelloWorld/CompileThenLinkTwoSteps/common.py
new file mode 100644
index 00000000..9694ebb6
--- /dev/null
+++ b/test/D/HelloWorld/CompileThenLinkTwoSteps/common.py
@@ -0,0 +1,68 @@
+"""
+Support functions for all the tests.
+"""
+
+#
+# __COPYRIGHT__
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+import TestSCons
+
+from os.path import abspath, dirname
+
+import sys
+sys.path.insert(1, abspath(dirname(__file__) + '/../../Support'))
+
+from executablesSearch import isExecutableOfToolAvailable
+
+def testForTool(tool):
+
+    test = TestSCons.TestSCons()
+
+    if not isExecutableOfToolAvailable(test, tool) :
+        test.skip_test("Required executable for tool '{}' not found, skipping test.\n".format(tool))
+
+    test.dir_fixture('Image')
+    test.write('SConstruct', open('SConstruct_template', 'r').read().format(tool))
+
+    if tool == 'dmd':
+        # The gdmd executable in Debian Unstable as at 2012-05-12, version 4.6.3 puts out messages on stderr
+        # that cause inappropriate failure of the tests, so simply ignore them.
+        test.run(stderr=None)
+    else:
+        test.run()
+
+    test.must_exist(test.workpath('helloWorld.o'))
+    test.must_exist(test.workpath('helloWorld'))
+
+    test.run(program=test.workpath('helloWorld'+TestSCons._exe))
+    test.fail_test(test.stdout() != 'Hello World.\n')
+
+    test.pass_test()
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4:
diff --git a/test/D/HelloWorld/CompileThenLinkTwoSteps/sconstest-dmd.py b/test/D/HelloWorld/CompileThenLinkTwoSteps/sconstest-dmd.py
new file mode 100644
index 00000000..7ee89557
--- /dev/null
+++ b/test/D/HelloWorld/CompileThenLinkTwoSteps/sconstest-dmd.py
@@ -0,0 +1,37 @@
+"""
+Test compiling and executing using the dmd tool.
+"""
+
+#
+# __COPYRIGHT__
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+from common import testForTool
+testForTool('dmd')
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4:
diff --git a/test/D/HelloWorld/CompileThenLinkTwoSteps/sconstest-gdc.py b/test/D/HelloWorld/CompileThenLinkTwoSteps/sconstest-gdc.py
new file mode 100644
index 00000000..e8a2b4b9
--- /dev/null
+++ b/test/D/HelloWorld/CompileThenLinkTwoSteps/sconstest-gdc.py
@@ -0,0 +1,37 @@
+"""
+Test compiling and executing using the gcd tool.
+"""
+
+#
+# __COPYRIGHT__
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+from common import testForTool
+testForTool('gdc')
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4:
diff --git a/test/D/HelloWorld/CompileThenLinkTwoSteps/sconstest-ldc.py b/test/D/HelloWorld/CompileThenLinkTwoSteps/sconstest-ldc.py
new file mode 100644
index 00000000..4b90d074
--- /dev/null
+++ b/test/D/HelloWorld/CompileThenLinkTwoSteps/sconstest-ldc.py
@@ -0,0 +1,37 @@
+"""
+Test compiling and executing using the ldc tool.
+"""
+
+#
+# __COPYRIGHT__
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+from common import testForTool
+testForTool('ldc')
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4:
diff --git a/test/D/LDC.py b/test/D/LDC.py
new file mode 100644
index 00000000..94acf1ca
--- /dev/null
+++ b/test/D/LDC.py
@@ -0,0 +1,71 @@
+#!/usr/bin/env python
+#
+# __COPYRIGHT__
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+#  Amended by Russel Winder <russel@russel.org.uk> 2010-05-05
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+import TestSCons
+
+from os.path import abspath, dirname
+
+import sys
+sys.path.insert(1, abspath(dirname(__file__) + '/Support'))
+
+from executablesSearch import isExecutableOfToolAvailable
+
+_exe = TestSCons._exe
+test = TestSCons.TestSCons()
+
+if not isExecutableOfToolAvailable(test, 'ldc'):
+    test.skip_test("Could not find 'ldc', skipping test.\n")
+
+test.write('SConstruct', """\
+import os
+env = Environment(tools=['link', 'ldc'], ENV=os.environ)
+if env['PLATFORM'] == 'cygwin': env['OBJSUFFIX'] = '.obj'  # trick DMD
+env.Program('foo', 'foo.d')
+""")
+
+test.write('foo.d', """\
+import std.stdio;
+int main(string[] args) {
+    printf("Hello!");
+    return 0;
+}
+""")
+
+test.run()
+
+test.run(program=test.workpath('foo'+_exe))
+
+test.fail_test(not test.stdout() == 'Hello!')
+
+test.pass_test()
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4:
diff --git a/test/D/MixedDAndC/Image/SConstruct b/test/D/MixedDAndC/Image/SConstruct
new file mode 100644
index 00000000..47870d7a
--- /dev/null
+++ b/test/D/MixedDAndC/Image/SConstruct
@@ -0,0 +1,13 @@
+# -*- codig:utf-8; -*-
+
+import os
+
+environment = Environment(
+    ENV=os.environ,
+    DFLAGS=['-m64', '-O'])
+
+environment.Program('proj', [
+'proj.d',
+'dmod.d',
+'cmod.c',
+])
diff --git a/test/D/MixedDAndC/Image/cmod.c b/test/D/MixedDAndC/Image/cmod.c
new file mode 100644
index 00000000..31be5e9e
--- /dev/null
+++ b/test/D/MixedDAndC/Image/cmod.c
@@ -0,0 +1,3 @@
+int csqr(int arg) {
+  return arg*arg;
+}
diff --git a/test/D/MixedDAndC/Image/dmod.d b/test/D/MixedDAndC/Image/dmod.d
new file mode 100644
index 00000000..c609b9c7
--- /dev/null
+++ b/test/D/MixedDAndC/Image/dmod.d
@@ -0,0 +1,6 @@
+module dmod;
+import std.stdio;
+
+void print_msg() {
+  writeln("Hello, this is a test program for the new SCons D support");
+}
diff --git a/test/D/MixedDAndC/Image/proj.d b/test/D/MixedDAndC/Image/proj.d
new file mode 100644
index 00000000..3e0bf951
--- /dev/null
+++ b/test/D/MixedDAndC/Image/proj.d
@@ -0,0 +1,12 @@
+import std.stdio;
+import dmod;
+
+extern (C) {
+  int csqr(int arg);
+}
+
+void main() {
+  print_msg();
+  auto i = 17;
+  writefln("The square of %d is %d", i, csqr(i));
+}
diff --git a/test/D/MixedDAndC/sconstest-mixedcompile.py b/test/D/MixedDAndC/sconstest-mixedcompile.py
new file mode 100644
index 00000000..0fd1a123
--- /dev/null
+++ b/test/D/MixedDAndC/sconstest-mixedcompile.py
@@ -0,0 +1,44 @@
+"""
+Test compiling and executing a project with a C module.
+"""
+
+#
+# __COPYRIGHT__
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+import TestSCons
+
+test = TestSCons.TestSCons()
+
+test.dir_fixture('Image')
+
+test.run()
+    
+test.pass_test()
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4:
diff --git a/test/D/Support/executablesSearch.py b/test/D/Support/executablesSearch.py
new file mode 100644
index 00000000..ccb9fa5a
--- /dev/null
+++ b/test/D/Support/executablesSearch.py
@@ -0,0 +1,37 @@
+"""
+Support functions for all the tests.
+"""
+
+#
+# __COPYRIGHT__
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+def isExecutableOfToolAvailable(test, tool):
+    for executable in {
+        'dmd': ['dmd', 'gdmd'],
+        'gdc': ['gdc'],
+        'ldc': ['ldc2', 'ldc']}[tool]:
+        if test.where_is(executable):
+            return True
+    return False
diff --git a/test/D/Support/sconstest.skip b/test/D/Support/sconstest.skip
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/test/D/Support/sconstest.skip