Better advice on using topic branches for kernel development

diff --git a/Makefile b/Makefile
index c27e8bcc37575e5748649c15d121ec9d5401d884..d3dcfb18a7a4dffddb8e8cc742b7c151e639549e 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -390,6 +390,8 @@ SCRIPTS = $(patsubst %.sh,%,$(SCRIPT_SH)) \
          $(patsubst %.py,%,$(SCRIPT_PYTHON)) \
          git-instaweb
 
+ETAGS_TARGET = TAGS
+
 # Empty...
 EXTRA_PROGRAMS =
 
@@ -1122,6 +1124,7 @@ ifneq (,$(findstring MINGW,$(uname_S)))
        NO_REGEX = YesPlease
        NO_PYTHON = YesPlease
        BLK_SHA1 = YesPlease
+       ETAGS_TARGET = ETAGS
        COMPAT_CFLAGS += -D__USE_MINGW_ACCESS -DNOGDI -Icompat -Icompat/fnmatch -Icompat/win32
        COMPAT_CFLAGS += -DSTRIP_EXTENSION=\".exe\"
        COMPAT_OBJS += compat/mingw.o compat/fnmatch/fnmatch.o compat/winansi.o \
@@ -1465,7 +1468,7 @@ ifdef NO_REGEX
 endif
 
 ifdef USE_NED_ALLOCATOR
-       COMPAT_CFLAGS += -DUSE_NED_ALLOCATOR -DOVERRIDE_STRDUP -DNDEBUG -DREPLACE_SYSTEM_ALLOCATOR -Icompat/nedmalloc
+       COMPAT_CFLAGS += -Icompat/nedmalloc
        COMPAT_OBJS += compat/nedmalloc/nedmalloc.o
 endif
 
@@ -1908,6 +1911,11 @@ ifdef NO_REGEX
 compat/regex/regex.o: EXTRA_CPPFLAGS = -DGAWK -DNO_MBSUPPORT
 endif
 
+ifdef USE_NED_ALLOCATOR
+compat/nedmalloc/nedmalloc.o: EXTRA_CPPFLAGS = \
+       -DNDEBUG -DOVERRIDE_STRDUP -DREPLACE_SYSTEM_ALLOCATOR
+endif
+
 git-%$X: %.o $(GITLIBS)
        $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(LIBS)
 
@@ -1956,11 +1964,11 @@ info:
 pdf:
        $(MAKE) -C Documentation pdf
 
-TAGS:
-       $(RM) TAGS
-       $(FIND) . -name '*.[hcS]' -print | xargs etags -a
+$(ETAGS_TARGET): FORCE
+       $(RM) $(ETAGS_TARGET)
+       $(FIND) . -name '*.[hcS]' -print | xargs etags -a -o $(ETAGS_TARGET)
 
-tags:
+tags: FORCE
        $(RM) tags
        $(FIND) . -name '*.[hcS]' -print | xargs ctags -a
 
@@ -2230,7 +2238,7 @@ clean:
        $(RM) $(TEST_PROGRAMS)
        $(RM) -r bin-wrappers
        $(RM) -r $(dep_dirs)
-       $(RM) *.spec *.pyc *.pyo */*.pyc */*.pyo common-cmds.h TAGS tags cscope*
+       $(RM) *.spec *.pyc *.pyo */*.pyc */*.pyo common-cmds.h $(ETAGS_TARGET) tags cscope*
        $(RM) -r autom4te.cache
        $(RM) config.log config.mak.autogen config.mak.append config.status config.cache
        $(RM) -r $(GIT_TARNAME) .doc-tmp-dir
@@ -2254,7 +2262,7 @@ endif
 
 .PHONY: all install clean strip
 .PHONY: shell_compatibility_test please_set_SHELL_PATH_to_a_more_modern_shell
-.PHONY: FORCE TAGS tags cscope
+.PHONY: FORCE cscope
 
 ### Check documentation
 #