Fix file exclusions for Gmake target

src/actions/make/make_cpp.lua

@@ -291,16 +291,13 @@
 			configs[cfg] = { objects={}, resources={} }
 		end
 
-		-- for each file in the iterator below, keep track of which
-		-- configurations to which it belongs
-		local incfg = {}
-
 		-- now walk the list of files in the project
 		local tr = project.getsourcetree(prj)
 		premake.tree.traverse(tr, {
 			onleaf = function(node, depth)
 				-- figure out what configurations contain this file, and
 				-- if it uses custom build rules
+				local incfg = {}
 				local inall = true
 				local custom = false
 				for cfg in project.eachconfig(prj) do

tests/actions/make/cpp/test_objects.lua

@@ -63,7 +63,9 @@ OBJECTS := \
 
 	function suite.configFilesAreConditioned()
 		configuration "Debug"
-		files { "src/hello.cpp" }
+		files { "src/hello_debug.cpp" }
+		configuration "Release"
+		files { "src/hello_release.cpp" }
 		prepare()
 		test.capture [[
 OBJECTS := \
@@ -72,7 +74,13 @@ RESOURCES := \
 
 ifeq ($(config),debug)
   OBJECTS += \
-	$(OBJDIR)/hello.o \
+	$(OBJDIR)/hello_debug.o \
+
+endif
+
+ifeq ($(config),release)
+  OBJECTS += \
+	$(OBJDIR)/hello_release.o \
 
 endif