BFS: Add support for building big-endian BFS

I tried to use the feature stuff to relocate objects but didn't managed
to get it to work, having another subdir seems to be the simplest
solution.

I managed to mount a clone of my BeBox' drive, but it KDLed shortly when mouting
read-write.

Change-Id: Ia4f126673e553e4f3e524a40218e6c623527b96d
Reviewed-on: https://review.haiku-os.org/c/645
Reviewed-by: Adrien Destugues <pulkomandy@gmail.com>

src/add-ons/kernel/file_systems/Jamfile

@@ -1,6 +1,7 @@
 SubDir HAIKU_TOP src add-ons kernel file_systems ;
 
 SubInclude HAIKU_TOP src add-ons kernel file_systems bfs ;
+SubInclude HAIKU_TOP src add-ons kernel file_systems bfs_big ;
 SubInclude HAIKU_TOP src add-ons kernel file_systems bindfs ;
 SubInclude HAIKU_TOP src add-ons kernel file_systems btrfs ;
 SubInclude HAIKU_TOP src add-ons kernel file_systems cdda ;

src/add-ons/kernel/file_systems/bfs/JamCommon

@@ -0,0 +1,59 @@
+# Since we also build a big-endian version of BFS,
+# this file is also included by the Jamfile in ../bfs_big/.
+
+# set some additional defines
+{
+	local defines =
+		BFS_DEBUGGER_COMMANDS
+		;
+
+	if $(SUBDIR:B) = bfs_big {
+		defines += BFS_BIG_ENDIAN_ONLY ;
+		SubDirHdrs $(HAIKU_TOP) src add-ons kernel file_systems bfs ;
+	}
+
+	if $(DEBUG) = 0 {
+		# the gcc on BeOS doesn't compile BFS correctly with -O2 or more
+		OPTIM = -O1 ;
+	}
+
+	defines = [ FDefines $(defines) ] ;
+	SubDirCcFlags $(defines) ;
+	SubDirC++Flags $(defines) ;
+}
+
+UsePrivateKernelHeaders ;
+UsePrivateHeaders [ FDirName kernel disk_device_manager ] ;
+UsePrivateHeaders shared storage ;
+
+local bfsSources =
+	bfs_disk_system.cpp
+	BlockAllocator.cpp
+	BPlusTree.cpp
+	kernel_cpp.cpp
+	Attribute.cpp
+	CheckVisitor.cpp
+	Debug.cpp
+	FileSystemVisitor.cpp
+	Index.cpp
+	Inode.cpp
+	Journal.cpp
+	Query.cpp
+	QueryParserUtils.cpp
+	Volume.cpp
+
+	kernel_interface.cpp
+	;
+
+KernelAddon $(SUBDIR:B) :
+	$(bfsSources)
+	;
+
+SEARCH on [ FGristFiles $(bfsSources) ]
+	= [ FDirName $(HAIKU_TOP) src add-ons kernel file_systems bfs ] ;
+
+SEARCH on [ FGristFiles kernel_cpp.cpp ]
+	= [ FDirName $(HAIKU_TOP) src system kernel util ] ;
+
+SEARCH on [ FGristFiles QueryParserUtils.cpp ]
+	+= [ FDirName $(HAIKU_TOP) src add-ons kernel file_systems shared ] ;

src/add-ons/kernel/file_systems/bfs/Jamfile

@@ -1,47 +1,4 @@
 SubDir HAIKU_TOP src add-ons kernel file_systems bfs ;
 
-# set some additional defines
-{
-	local defines =
-		BFS_DEBUGGER_COMMANDS
-		#BFS_BIG_ENDIAN_ONLY
-		;
+include [ FDirName $(HAIKU_TOP) src add-ons kernel file_systems bfs JamCommon ] ;
 
-	if $(DEBUG) = 0 {
-		# the gcc on BeOS doesn't compile BFS correctly with -O2 or more
-		OPTIM = -O1 ;
-	}
-
-	defines = [ FDefines $(defines) ] ;
-	SubDirCcFlags $(defines) ;
-	SubDirC++Flags $(defines) ;
-}
-
-UsePrivateKernelHeaders ;
-UsePrivateHeaders [ FDirName kernel disk_device_manager ] ;
-UsePrivateHeaders shared storage ;
-
-KernelAddon bfs :
-	bfs_disk_system.cpp
-	BlockAllocator.cpp
-	BPlusTree.cpp
-	kernel_cpp.cpp
-	Attribute.cpp
-	CheckVisitor.cpp
-	Debug.cpp
-	FileSystemVisitor.cpp
-	Index.cpp
-	Inode.cpp
-	Journal.cpp
-	Query.cpp
-	QueryParserUtils.cpp
-	Volume.cpp
-
-	kernel_interface.cpp
-	;
-
-SEARCH on [ FGristFiles kernel_cpp.cpp ]
-	= [ FDirName $(HAIKU_TOP) src system kernel util ] ;
-
-SEARCH on [ FGristFiles QueryParserUtils.cpp ]
-	+= [ FDirName $(HAIKU_TOP) src add-ons kernel file_systems shared ] ;

src/add-ons/kernel/file_systems/bfs_big/Jamfile

@@ -0,0 +1,4 @@
+SubDir HAIKU_TOP src add-ons kernel file_systems bfs_big ;
+
+include [ FDirName $(HAIKU_TOP) src add-ons kernel file_systems bfs JamCommon ] ;
+