jffs2: Do not use command line defines

Update #3375.

cpukit/libfs/Makefile.am

@@ -139,8 +139,6 @@ libjffs2_a_CFLAGS =
 libjffs2_a_CFLAGS += -Wno-pointer-sign
 libjffs2_a_CPPFLAGS =
 libjffs2_a_CPPFLAGS += $(AM_CPPFLAGS) -I$(srcdir)/src/jffs2/include
-libjffs2_a_CPPFLAGS += -D__ECOS
-libjffs2_a_CPPFLAGS += '-DKBUILD_MODNAME="JFFS2"'
 
 # ---
 include $(top_srcdir)/automake/subdirs.am

cpukit/libfs/src/jffs2/src/build.c

@@ -1,3 +1,5 @@
+#include "rtems-jffs2-config.h"
+
 /*
  * JFFS2 -- Journalling Flash File System, Version 2.
  *

cpukit/libfs/src/jffs2/src/compat-crc32.c

@@ -1,3 +1,5 @@
+#include "rtems-jffs2-config.h"
+
 //==========================================================================
 //
 //      crc32.c

cpukit/libfs/src/jffs2/src/compr.c

@@ -1,3 +1,5 @@
+#include "rtems-jffs2-config.h"
+
 /*
  * JFFS2 -- Journalling Flash File System, Version 2.
  *

cpukit/libfs/src/jffs2/src/compr_rtime.c

@@ -1,3 +1,5 @@
+#include "rtems-jffs2-config.h"
+
 /*
  * JFFS2 -- Journalling Flash File System, Version 2.
  *

cpukit/libfs/src/jffs2/src/compr_rubin.c

@@ -1,3 +1,5 @@
+#include "rtems-jffs2-config.h"
+
 /*
  * JFFS2 -- Journalling Flash File System, Version 2.
  *

cpukit/libfs/src/jffs2/src/compr_zlib.c

@@ -1,3 +1,5 @@
+#include "rtems-jffs2-config.h"
+
 /*
  * JFFS2 -- Journalling Flash File System, Version 2.
  *

cpukit/libfs/src/jffs2/src/debug.c

@@ -1,3 +1,5 @@
+#include "rtems-jffs2-config.h"
+
 /*
  * JFFS2 -- Journalling Flash File System, Version 2.
  *

cpukit/libfs/src/jffs2/src/dir-rtems.c

@@ -1,3 +1,5 @@
+#include "rtems-jffs2-config.h"
+
 /*
  * JFFS2 -- Journalling Flash File System, Version 2.
  *

cpukit/libfs/src/jffs2/src/erase.c

@@ -1,3 +1,5 @@
+#include "rtems-jffs2-config.h"
+
 /*
  * JFFS2 -- Journalling Flash File System, Version 2.
  *

cpukit/libfs/src/jffs2/src/flashio.c

@@ -1,3 +1,5 @@
+#include "rtems-jffs2-config.h"
+
 /*
  * JFFS2 -- Journalling Flash File System, Version 2.
  *

cpukit/libfs/src/jffs2/src/fs-rtems.c

@@ -1,3 +1,5 @@
+#include "rtems-jffs2-config.h"
+
 /*
  * JFFS2 -- Journalling Flash File System, Version 2.
  *

cpukit/libfs/src/jffs2/src/gc.c

@@ -1,3 +1,5 @@
+#include "rtems-jffs2-config.h"
+
 /*
  * JFFS2 -- Journalling Flash File System, Version 2.
  *

cpukit/libfs/src/jffs2/src/malloc-rtems.c

@@ -1,3 +1,5 @@
+#include "rtems-jffs2-config.h"
+
 /*
  * JFFS2 -- Journalling Flash File System, Version 2.
  *

cpukit/libfs/src/jffs2/src/nodelist.c

@@ -1,3 +1,5 @@
+#include "rtems-jffs2-config.h"
+
 /*
  * JFFS2 -- Journalling Flash File System, Version 2.
  *

cpukit/libfs/src/jffs2/src/nodemgmt.c

@@ -1,3 +1,5 @@
+#include "rtems-jffs2-config.h"
+
 /*
  * JFFS2 -- Journalling Flash File System, Version 2.
  *

cpukit/libfs/src/jffs2/src/read.c

@@ -1,3 +1,5 @@
+#include "rtems-jffs2-config.h"
+
 /*
  * JFFS2 -- Journalling Flash File System, Version 2.
  *

cpukit/libfs/src/jffs2/src/readinode.c

@@ -1,3 +1,5 @@
+#include "rtems-jffs2-config.h"
+
 /*
  * JFFS2 -- Journalling Flash File System, Version 2.
  *

cpukit/libfs/src/jffs2/src/rtems-jffs2-config.h

@@ -0,0 +1,2 @@
+#define __ECOS 1
+#define KBUILD_MODNAME "JFFS2"

cpukit/libfs/src/jffs2/src/scan.c

@@ -1,3 +1,5 @@
+#include "rtems-jffs2-config.h"
+
 /*
  * JFFS2 -- Journalling Flash File System, Version 2.
  *

cpukit/libfs/src/jffs2/src/write.c

@@ -1,3 +1,5 @@
+#include "rtems-jffs2-config.h"
+
 /*
  * JFFS2 -- Journalling Flash File System, Version 2.
  *