On 2006-10-24, Oleg Verych wrote:
> On 2006-10-23, Randy Dunlap wrote:
>> Hi Sam,
>
* It seems*
>
> + $(call if_changed_rule,cc_o_c) || \
> + { echo $(@:.o=.ko); echo $@; } > $(MODVERDIR)/$(@F:.o=.mod)
This doesn't work, use ifs instead. Updated.
I have no idea what to do with generated sources and headers.
One may be: check target `if_changed' to be %.c or %.h and let it be
built.
____
From: Oleg Verych <[EMAIL PROTECTED]>
Subject: [patch, rfc] kbuild: implement checksrc without building Cources
Implementation of configured source chacking without actual building.
Cc: Randy Dunlap <[EMAIL PROTECTED]>
Cc: Sam Ravnborg <[EMAIL PROTECTED]>
Signed-off-by: Oleg Verych <[EMAIL PROTECTED]>
---
Configured sources means, some config target must be run already.
After that
,-<shell>
| make prepare
| make C=something_not_0,1,2 _target_
`--
should run _target_ with checking and without building.
-o--=O`C /. .\
#oo'L O o
<___=E M ^--
scripts/Kbuild.include | 6 +++---
scripts/Makefile.build | 25 ++++++++++++++++---------
2 files changed, 19 insertions(+), 12 deletions(-)
Index: linux-2.6.19-rc3/scripts/Kbuild.include
===================================================================
--- linux-2.6.19-rc3.orig/scripts/Kbuild.include 2006-10-24
18:45:36.708292246 +0000
+++ linux-2.6.19-rc3/scripts/Kbuild.include 2006-10-24 19:11:29.552783811
+0000
@@ -153,7 +153,7 @@
if_changed = $(if $(strip $(any-prereq) $(arg-check)), \
@set -e; \
$(echo-cmd) $(cmd_$(1)); \
- echo 'cmd_$@ := $(make-cmd)' > $(dot-target).cmd)
+ echo 'cmd_$@ := $(make-cmd)' > $(dot-target).cmd ;)
# execute the command and also postprocess generated .d dependencies
# file
@@ -162,14 +162,14 @@
$(echo-cmd) $(cmd_$(1)); \
scripts/basic/fixdep $(depfile) $@ '$(make-cmd)' > $(dot-target).tmp;\
rm -f $(depfile); \
- mv -f $(dot-target).tmp $(dot-target).cmd)
+ mv -f $(dot-target).tmp $(dot-target).cmd ;)
# Usage: $(call if_changed_rule,foo)
# will check if $(cmd_foo) changed, or any of the prequisites changed,
# and if so will execute $(rule_foo)
if_changed_rule = $(if $(strip $(any-prereq) $(arg-check) ), \
@set -e; \
- $(rule_$(1)))
+ $(rule_$(1)) ;)
###
# why - tell why a a target got build
Index: linux-2.6.19-rc3/scripts/Makefile.build
===================================================================
--- linux-2.6.19-rc3.orig/scripts/Makefile.build 2006-10-24
18:45:36.720292930 +0000
+++ linux-2.6.19-rc3/scripts/Makefile.build 2006-10-24 19:25:50.977873629
+0000
@@ -87,12 +87,17 @@
# Linus' kernel sanity checking tool
ifneq ($(KBUILD_CHECKSRC),0)
- ifeq ($(KBUILD_CHECKSRC),2)
- quiet_cmd_force_checksrc = CHECK $<
- cmd_force_checksrc = $(CHECK) $(CHECKFLAGS) $(c_flags) $< ;
- else
+ ifeq ($(KBUILD_CHECKSRC),1)
quiet_cmd_checksrc = CHECK $<
cmd_checksrc = $(CHECK) $(CHECKFLAGS) $(c_flags) $< ;
+ else
+ quiet_cmd_force_checksrc = CHECK $<
+ cmd_force_checksrc = $(CHECK) $(CHECKFLAGS) $(c_flags) $< ;
+ ifneq ($(KBUILD_CHECKSRC),2)
+ if_changed =#
+ if_changed_dep =#
+ if_changed_rule =#
+ endif
endif
endif
@@ -204,11 +209,11 @@
$(call if_changed_rule,cc_o_c)
# Single-part modules are special since we need to mark them in $(MODVERDIR)
-
$(single-used-m): %.o: %.c FORCE
$(call cmd,force_checksrc)
- $(call if_changed_rule,cc_o_c)
- @{ echo $(@:.o=.ko); echo $@; } > $(MODVERDIR)/$(@F:.o=.mod)
+ $(if $(if_changed_rule), \
+ $(call if_changed_rule,cc_o_c) \
+ { echo $(@:.o=.ko); echo $@; } > $(MODVERDIR)/$(@F:.o=.mod))
quiet_cmd_cc_lst_c = MKLST $@
cmd_cc_lst_c = $(CC) $(c_flags) -g -c -o $*.o $< && \
@@ -310,8 +315,10 @@
$(call if_changed,link_multi-y)
$(multi-used-m) : %.o: $(multi-objs-m) FORCE
- $(call if_changed,link_multi-m)
- @{ echo $(@:.o=.ko); echo $(link_multi_deps); } >
$(MODVERDIR)/$(@F:.o=.mod)
+ $(if $(if_changed), \
+ $(call if_changed,link_multi-m) \
+ { echo $(@:.o=.ko); \
+ echo $(link_multi_deps); } > $(MODVERDIR)/$(@F:.o=.mod))
targets += $(multi-used-y) $(multi-used-m)
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