BUILD: Compile & link certain files only for specific BACKEND values

svn-id: r51465

8 files changed, 48 insertions, 13 deletions

diff --git a/backends/module.mk b/backends/module.mk
index fb48f3d249..e0a3f4c683 100644
--- a/backends/module.mk
+++ b/backends/module.mk
@@ -6,16 +6,9 @@ MODULE_OBJS := \
 	fs/abstract-fs.o \
 	fs/stdiostream.o \
 	fs/amigaos4/amigaos4-fs-factory.o \
-	fs/ds/ds-fs-factory.o \
 	fs/posix/posix-fs-factory.o \
-	fs/ps2/ps2-fs-factory.o \
-	fs/psp/psp-fs-factory.o \
-	fs/psp/psp-stream.o \
 	fs/symbian/symbian-fs-factory.o \
 	fs/windows/windows-fs-factory.o \
-	fs/wii/wii-fs-factory.o \
-	fs/n64/n64-fs-factory.o \
-	fs/n64/romfsstream.o \
 	keymapper/action.o \
 	keymapper/keymap.o \
 	keymapper/keymapper.o \
@@ -29,22 +22,54 @@ MODULE_OBJS := \
 	midi/timidity.o \
 	midi/dmedia.o \
 	midi/windows.o \
-	plugins/dc/dc-provider.o \
 	plugins/posix/posix-provider.o \
 	plugins/sdl/sdl-provider.o \
 	plugins/win32/win32-provider.o \
-	plugins/psp/psp-provider.o \
 	saves/savefile.o \
 	saves/default/default-saves.o \
 	saves/posix/posix-saves.o \
-	saves/psp/psp-saves.o \
 	timer/default/default-timer.o \
-	timer/psp/timer.o \
 	vkeybd/image-map.o \
 	vkeybd/polygon.o \
 	vkeybd/virtual-keyboard.o \
 	vkeybd/virtual-keyboard-gui.o \
 	vkeybd/virtual-keyboard-parser.o
 
+ifeq ($(BACKEND),dc)
+MODULE_OBJS += \
+	plugins/dc/dc-provider.o
+endif
+
+ifeq ($(BACKEND),ds)
+MODULE_OBJS += \
+	fs/ds/ds-fs-factory.o \
+	fs/ds/ds-fs.o
+endif
+
+ifeq ($(BACKEND),n64)
+MODULE_OBJS += \
+	fs/n64/n64-fs-factory.o \
+	fs/n64/romfsstream.o
+endif
+
+ifeq ($(BACKEND),ps2)
+MODULE_OBJS += \
+	fs/ps2/ps2-fs-factory.o
+endif
+
+ifeq ($(BACKEND),psp)
+MODULE_OBJS += \
+	fs/psp/psp-fs-factory.o \
+	fs/psp/psp-stream.o \
+	plugins/psp/psp-provider.o \
+	saves/psp/psp-saves.o \
+	timer/psp/timer.o
+endif
+
+ifeq ($(BACKEND),wii)
+MODULE_OBJS += \
+	fs/wii/wii-fs-factory.o
+endif
+
 # Include common rules
 include $(srcdir)/rules.mk
diff --git a/backends/platform/dc/Makefile b/backends/platform/dc/Makefile
index 2dcf9b7a7c..4494e8da78 100644
--- a/backends/platform/dc/Makefile
+++ b/backends/platform/dc/Makefile
@@ -69,6 +69,8 @@ OBJS :=	dcmain.o time.o display.o audio.o input.o selector.o icon.o \
 
 MODULE_DIRS += ./
 
+BACKEND := dc
+
 include $(srcdir)/Makefile.common
 
 scummvm.bin : scummvm.elf
diff --git a/backends/platform/ds/arm9/makefile b/backends/platform/ds/arm9/makefile
index 079e23aec0..c99342c28e 100644
--- a/backends/platform/ds/arm9/makefile
+++ b/backends/platform/ds/arm9/makefile
@@ -251,6 +251,8 @@ ifdef WRAP_MALLOC
 	DEFINES += -DWRAP_MALLOC
 endif
 
+BACKEND := ds
+
 INCLUDES= -I$(portdir)/$(BUILD) -I$(srcdir) -I$(srcdir)/engines \
 			-I$(portdir)/data -I$(portdir)/../commoninclude \
 			-I$(portdir)/source -I$(portdir)/source/mad \
diff --git a/backends/platform/ds/module.mk b/backends/platform/ds/module.mk
index f6b69b3633..5f186f2528 100644
--- a/backends/platform/ds/module.mk
+++ b/backends/platform/ds/module.mk
@@ -8,7 +8,6 @@ PORT_OBJS := \
 	arm9/source/blitters_arm.o \
 	arm9/source/cdaudio.o \
 	arm9/source/dsmain.o \
-	../../fs/ds/ds-fs.o \
 	arm9/source/gbampsave.o \
 	arm9/source/scummhelp.o \
 	arm9/source/osystem_ds.o \
diff --git a/backends/platform/n64/Makefile b/backends/platform/n64/Makefile
index 914e6e9c9e..b8b2e61f77 100644
--- a/backends/platform/n64/Makefile
+++ b/backends/platform/n64/Makefile
@@ -64,6 +64,8 @@ ENABLE_SCUMM = $(ENABLED)
 
 OBJS :=	nintendo64.o osys_n64_base.o osys_n64_events.o osys_n64_utilities.o pakfs_save_manager.o framfs_save_manager.o
 
+BACKEND := n64
+
 include $(srcdir)/Makefile.common
 
 MODULE_DIRS += ./
diff --git a/backends/platform/ps2/Makefile.gdb b/backends/platform/ps2/Makefile.gdb
index 41ac58d629..53646a9546 100644
--- a/backends/platform/ps2/Makefile.gdb
+++ b/backends/platform/ps2/Makefile.gdb
@@ -75,6 +75,8 @@ OBJS := backends/platform/ps2/DmaPipe.o \
     
 MODULE_DIRS += .
 
+BACKEND := ps2
+
 include $(srcdir)/Makefile.common
 
 LDFLAGS += -mno-crt0 $(PS2SDK)/ee/startup/crt0.o -T $(PS2SDK)/ee/startup/linkfile 
diff --git a/backends/platform/ps2/Makefile.ps2 b/backends/platform/ps2/Makefile.ps2
index bf7ac0aca0..d2a8d210e4 100644
--- a/backends/platform/ps2/Makefile.ps2
+++ b/backends/platform/ps2/Makefile.ps2
@@ -75,6 +75,8 @@ OBJS := backends/platform/ps2/DmaPipe.o \
     
 MODULE_DIRS += .
 
+BACKEND := ps2
+
 include $(srcdir)/Makefile.common
 
 LDFLAGS += -mno-crt0 $(PS2SDK)/ee/startup/crt0.o -T $(PS2SDK)/ee/startup/linkfile 
diff --git a/backends/platform/psp/Makefile b/backends/platform/psp/Makefile
index 994d201f65..617ef7c8cc 100644
--- a/backends/platform/psp/Makefile
+++ b/backends/platform/psp/Makefile
@@ -64,7 +64,6 @@ ifeq ($(PSPSDK),)
 $(error $$(PSPSDK) cannot be obtained.)
 endif
 
-
 # Variables for common Scummvm makefile
 CXX      = psp-g++
 CXXFLAGS = -O3 -Wall -Wno-multichar -fno-exceptions -fno-rtti
@@ -151,6 +150,8 @@ OBJS := powerman.o \
 	mp3.o \
 	tests.o
 
+BACKEND := psp
+
 # Include common Scummvm makefile
 include $(srcdir)/Makefile.common