11 files changed, 73 insertions, 28 deletions
diff --git a/src/CHANGES.txt b/src/CHANGES.txt
index 93b1512..ada66b0 100644
--- a/src/CHANGES.txt
+++ b/src/CHANGES.txt
@@ -33,6 +33,7 @@ RELEASE  VERSION/DATE TO BE FILLED IN LATER
     - Reordered the default D tools from "dmd, gdc, ldc" to "dmd, ldc, gdc".
     - Add a ProgramAllAtOnce builder to the dmd, ldc, and gdc tools. (PR #448)
     - Deprecate a file name exception for very old Fedora LDC installation.
+    - gdc can now handle building shared objects (tested for version 6.3.0).
 
   From William Blevins:
     - Updated D language scanner support to latest: 2.071.1. (PR #1924)
diff --git a/src/engine/SCons/Tool/gdc.py b/src/engine/SCons/Tool/gdc.py
index 20903f7..fdfe867 100644
--- a/src/engine/SCons/Tool/gdc.py
+++ b/src/engine/SCons/Tool/gdc.py
@@ -98,7 +98,7 @@ def generate(env):
     env['DLINKCOM'] = '$DLINK -o $TARGET $DLINKFLAGS $__RPATH $SOURCES $_LIBDIRFLAGS $_LIBFLAGS'
 
     env['DSHLINK'] = '$DC'
-    env['DSHLINKFLAGS'] = SCons.Util.CLVar('$DLINKFLAGS -shared')
+    env['DSHLINKFLAGS'] = SCons.Util.CLVar('$DLINKFLAGS -shared -shared-libphobos')
     env['SHDLINKCOM'] = '$DLINK -o $TARGET $DSHLINKFLAGS $__DSHLIBVERSIONFLAGS $__RPATH $SOURCES $_LIBDIRFLAGS $_LIBFLAGS'
 
     env['DLIB'] = 'lib' if env['PLATFORM'] == 'win32' else 'ar cr'
diff --git a/test/D/Issues/2939_Ariovistus/sconstest-correctLinkOptions_dmd.py b/test/D/Issues/2939_Ariovistus/sconstest-correctLinkOptions_dmd.py
index 2446a28..e248cb6 100644
--- a/test/D/Issues/2939_Ariovistus/sconstest-correctLinkOptions_dmd.py
+++ b/test/D/Issues/2939_Ariovistus/sconstest-correctLinkOptions_dmd.py
@@ -1,5 +1,5 @@
 """
-Test compiling and executing using the gdc tool.
+Test compiling and executing using the dmd tool.
 """
 
 #
diff --git a/test/D/Issues/2939_Ariovistus/sconstest-correctLinkOptions_ldc.py b/test/D/Issues/2939_Ariovistus/sconstest-correctLinkOptions_ldc.py
index a61a94b..6c524df 100644
--- a/test/D/Issues/2939_Ariovistus/sconstest-correctLinkOptions_ldc.py
+++ b/test/D/Issues/2939_Ariovistus/sconstest-correctLinkOptions_ldc.py
@@ -1,5 +1,5 @@
 """
-Test compiling and executing using the gdc tool.
+Test compiling and executing using the ldc tool.
 """
 
 #
diff --git a/test/D/Issues/2994/Common/D_changed_DFLAGS_not_rebuilding.py b/test/D/Issues/2994/Common/D_changed_DFLAGS_not_rebuilding.py
new file mode 100644
index 0000000..7e69f50
--- /dev/null
+++ b/test/D/Issues/2994/Common/D_changed_DFLAGS_not_rebuilding.py
@@ -0,0 +1,62 @@
+"""
+Test to check for issue reported in tigris bug 2994
+http://scons.tigris.org/issues/show_bug.cgi?id=2994
+"""
+
+#
+# __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, join
+
+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 '{0}' not found, skipping test.\n".format(tool))
+
+    test.dir_fixture('Project')
+    test.write('SConstruct', open('SConstruct_template', 'r').read().format('tools=["{0}", "link"]'.format(tool)))
+
+    test.run()
+    test.fail_test('main.o' not in test.stdout())
+    test.run(arguments='change=1')
+    test.fail_test('is up to date' in test.stdout())
+
+    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/Issues/2994/Common/__init__.py b/test/D/Issues/2994/Common/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/D/Issues/2994/Common/__init__.py
diff --git a/test/D/Issues/2994/Common/sconstest.skip b/test/D/Issues/2994/Common/sconstest.skip
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/test/D/Issues/2994/Common/sconstest.skip
diff --git a/test/D/Issues/2994/D_changed_DFLAGS_not_rebuilding.py b/test/D/Issues/2994/D_changed_DFLAGS_not_rebuilding.py
deleted file mode 100644
index 1d9854f..0000000
--- a/test/D/Issues/2994/D_changed_DFLAGS_not_rebuilding.py
+++ /dev/null
@@ -1,23 +0,0 @@
-# Test to check for issue reported in tigris bug 2994
-# http://scons.tigris.org/issues/show_bug.cgi?id=2994
-#
-
-import TestSCons
-
-test = TestSCons.TestSCons()
-
-dmd_present = test.detect_tool('dmd', prog='dmd')
-ldc_present = test.detect_tool('ldc',prog='ldc2')
-gdc_present = test.detect_tool('gdc',prog='gdc')
-
-if not (dmd_present or ldc_present or gdc_present):
-    test.skip_test("Could not load dmd ldc or gdc Tool; skipping test(s).\n")
-
-
-test.dir_fixture('image')
-test.run()
-test.fail_test('main.o' not in test.stdout())
-test.run(arguments='change=1')
-test.fail_test('is up to date' in test.stdout())
-
-test.pass_test()
diff --git a/test/D/Issues/2994/image/SConstruct b/test/D/Issues/2994/Project/SConstruct_template
index 92f76c2..555b1b0 100644
--- a/test/D/Issues/2994/image/SConstruct
+++ b/test/D/Issues/2994/Project/SConstruct_template
@@ -1,6 +1,6 @@
 # -*- mode:python; coding:utf-8; -*-
 
-env=Environment()
+env=Environment({})
 
 change = ARGUMENTS.get('change', 0)
 if int(change):
diff --git a/test/D/Issues/2994/image/main.d b/test/D/Issues/2994/Project/main.d
index f0aa23a..f0aa23a 100644
--- a/test/D/Issues/2994/image/main.d
+++ b/test/D/Issues/2994/Project/main.d
diff --git a/test/D/SharedObjects/Common/common.py b/test/D/SharedObjects/Common/common.py
index 280c6f2..0322385 100644
--- a/test/D/SharedObjects/Common/common.py
+++ b/test/D/SharedObjects/Common/common.py
@@ -32,6 +32,7 @@ import TestSCons
 from SCons.Environment import Base
 
 from os.path import abspath, dirname
+from subprocess import check_output
 
 import sys
 sys.path.insert(1, abspath(dirname(__file__) + '/../../Support'))
@@ -46,7 +47,11 @@ def testForTool(tool):
         test.skip_test("Required executable for tool '{0}' not found, skipping test.\n".format(tool))
 
     if tool == 'gdc':
-        test.skip_test('gdc in GCC distribution does not, as at version 5.3.1, support shared libraries.\n')
+        result = check_output(('gdc', '--version'))
+        version = result.decode().splitlines()[0].split()[3]
+        major, minor, debug = [int(x) for x in version.split('.')]
+        if (major < 6) or (major == 6 and minor < 3):
+            test.skip_test('gdc prior to version 6.0.0 does not support shared libraries.\n')
 
     if tool == 'dmd' and Base()['DC'] == 'gdmd':
         test.skip_test('gdmd does not recognize the -shared option so cannot support linking of shared objects.\n')