On Wed, Jun 28, 2006 at 03:54:01PM -0700, Linus Torvalds wrote:
>
>
> On Wed, 28 Jun 2006, Daniel Ritz wrote:
> >
> > had a look again. this one on top of "kbuild: fix make -rR breakage" (ie. revert
> > the revert) should fix the module nameing.
> >
> > Sam if you agree, please add your signed-off-by and forward to Linus.
>
> Btw, I suspect I was wrong on the use of basename.
>
> Yeah, you can do it carefully with that $(patsubst %.mod,%,..) thing, but
> boy is that ugly and hard to read. Since the whole point was to hopefully
> be safer, being "ugly and hard to read" is not exactly good, and I suspect
> the original $(basename ..) was simply better.
Following is my take on it. In most cases $(basename $(notdir $@)) do
the trick. Only in Makefile.modpost we do some special to get rid of
.mod.o. That part is not nice but local to Makefile.modpost.
I will push it as soon as I get a confirmation that ia64 is fixed with
this fix.
Sam
diff --git a/Makefile b/Makefile
index e9560c6..c4ea9cd 100644
--- a/Makefile
+++ b/Makefile
@@ -1352,7 +1352,7 @@ quiet_cmd_rmfiles = $(if $(wildcard $(rm
a_flags = -Wp,-MD,$(depfile) $(AFLAGS) $(AFLAGS_KERNEL) \
$(NOSTDINC_FLAGS) $(CPPFLAGS) \
- $(modkern_aflags) $(EXTRA_AFLAGS) $(AFLAGS_$(*F).o)
+ $(modkern_aflags) $(EXTRA_AFLAGS) $(AFLAGS_$(notdir $@))
quiet_cmd_as_o_S = AS $@
cmd_as_o_S = $(CC) $(a_flags) -c -o $@ $<
diff --git a/arch/um/scripts/Makefile.rules b/arch/um/scripts/Makefile.rules
index 1347dc6..813077f 100644
--- a/arch/um/scripts/Makefile.rules
+++ b/arch/um/scripts/Makefile.rules
@@ -8,7 +8,7 @@ USER_OBJS += $(filter %_user.o,$(obj-y)
USER_OBJS := $(foreach file,$(USER_OBJS),$(obj)/$(file))
$(USER_OBJS:.o=.%): \
- c_flags = -Wp,-MD,$(depfile) $(USER_CFLAGS) $(CFLAGS_$(*F).o)
+ c_flags = -Wp,-MD,$(depfile) $(USER_CFLAGS) $(CFLAGS_$(basetarget).o)
$(USER_OBJS) : CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ \
-Dunix -D__unix__ -D__$(SUBARCH)__
@@ -17,7 +17,7 @@ # using it directly.
UNPROFILE_OBJS := $(foreach file,$(UNPROFILE_OBJS),$(obj)/$(file))
$(UNPROFILE_OBJS:.o=.%): \
- c_flags = -Wp,-MD,$(depfile) $(call unprofile,$(USER_CFLAGS)) $(CFLAGS_$(*F).o)
+ c_flags = -Wp,-MD,$(depfile) $(call unprofile,$(USER_CFLAGS)) $(CFLAGS_$(basetarget).o)
$(UNPROFILE_OBJS) : CHECKFLAGS := -D__linux__ -Dlinux -D__STDC__ \
-Dunix -D__unix__ -D__$(SUBARCH)__
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index b0d067b..2180c88 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -13,6 +13,10 @@ # contain a comma
depfile = $(subst $(comma),_,$(@D)/.$(@F).d)
###
+# filename of target with directory and extension stripped
+basetarget = $(basename $(notdir $@))
+
+###
# Escape single quote for use in echo statements
escsq = $(subst $(squote),'\$(squote)',$1)
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 02a7eea..3cb445c 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -117,7 +117,7 @@ quiet_modtag := $(empty) $(empty)
$(obj-m) : quiet_modtag := [M]
# Default for not multi-part modules
-modname = $(*F)
+modname = $(basetarget)
$(multi-objs-m) : modname = $(modname-multi)
$(multi-objs-m:.o=.i) : modname = $(modname-multi)
diff --git a/scripts/Makefile.host b/scripts/Makefile.host
index 2b066d1..18ecd4d 100644
--- a/scripts/Makefile.host
+++ b/scripts/Makefile.host
@@ -80,8 +80,10 @@ obj-dirs += $(host-objdirs)
#####
# Handle options to gcc. Support building with separate output directory
-_hostc_flags = $(HOSTCFLAGS) $(HOST_EXTRACFLAGS) $(HOSTCFLAGS_$(*F).o)
-_hostcxx_flags = $(HOSTCXXFLAGS) $(HOST_EXTRACXXFLAGS) $(HOSTCXXFLAGS_$(*F).o)
+_hostc_flags = $(HOSTCFLAGS) $(HOST_EXTRACFLAGS) \
+ $(HOSTCFLAGS_$(basetarget).o)
+_hostcxx_flags = $(HOSTCXXFLAGS) $(HOST_EXTRACXXFLAGS) \
+ $(HOSTCXXFLAGS_$(basetarget).o)
ifeq ($(KBUILD_SRC),)
__hostc_flags = $(_hostc_flags)
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 2cb4935..fc498fe 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -82,12 +82,12 @@ # Note: It's possible that one object ge
# than one module. In that case KBUILD_MODNAME will be set to foo_bar,
# where foo and bar are the name of the modules.
name-fix = $(subst $(comma),_,$(subst -,_,$1))
-basename_flags = -D"KBUILD_BASENAME=KBUILD_STR($(call name-fix,$(*F)))"
+basename_flags = -D"KBUILD_BASENAME=KBUILD_STR($(call name-fix,$(basetarget)))"
modname_flags = $(if $(filter 1,$(words $(modname))),\
-D"KBUILD_MODNAME=KBUILD_STR($(call name-fix,$(modname)))")
-_c_flags = $(CFLAGS) $(EXTRA_CFLAGS) $(CFLAGS_$(*F).o)
-_a_flags = $(AFLAGS) $(EXTRA_AFLAGS) $(AFLAGS_$(*F).o)
+_c_flags = $(CFLAGS) $(EXTRA_CFLAGS) $(CFLAGS_$(basetarget).o)
+_a_flags = $(AFLAGS) $(EXTRA_AFLAGS) $(AFLAGS_$(basetarget).o)
_cpp_flags = $(CPPFLAGS) $(EXTRA_CPPFLAGS) $(CPPFLAGS_$(@F))
# If building the kernel in a separate objtree expand all occurrences
diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
index 576cce5..a495502 100644
--- a/scripts/Makefile.modpost
+++ b/scripts/Makefile.modpost
@@ -72,7 +72,7 @@ # Declare generated files as targets for
# Step 5), compile all *.mod.c files
# modname is set to make c_flags define KBUILD_MODNAME
-modname = $(*F)
+modname = $(notdir $(@:.mod.o=))
quiet_cmd_cc_o_c = CC $@
cmd_cc_o_c = $(CC) $(c_flags) $(CFLAGS_MODULE) \
-
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