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authorSam Ravnborg <sam@mars.ravnborg.org>2006-01-28 21:15:55 (GMT)
committerSam Ravnborg <sam@mars.ravnborg.org>2006-02-19 08:51:18 (GMT)
commit040fcc819a2e7783a570f4bdcdd1f2a7f5f06837 (patch)
tree58a6cb2e7394c589c8ef49b308512c83af0c7087 /scripts/Makefile.modpost
parent5c3ead8c72788d36d34c9f1689fb529d1339b405 (diff)
kbuild: improved modversioning support for external modules
With following patch a second option is enabled to obtain symbol information from a second external module when a external module is build. The recommended approach is to use a common kbuild file but that may be impractical in certain cases. With this patch one can copy over a Module.symvers from one external module to make symbols (and symbol versions) available for another external module. Updated documentation in Documentation/kbuild/modules.txt Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Diffstat (limited to 'scripts/Makefile.modpost')
-rw-r--r--scripts/Makefile.modpost7
1 files changed, 5 insertions, 2 deletions
diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
index bf96a61..563e3c5 100644
--- a/scripts/Makefile.modpost
+++ b/scripts/Makefile.modpost
@@ -39,7 +39,8 @@ include .config
include scripts/Kbuild.include
include scripts/Makefile.lib
-symverfile := $(objtree)/Module.symvers
+kernelsymfile := $(objtree)/Module.symvers
+modulesymfile := $(KBUILD_EXTMOD)/Modules.symvers
# Step 1), find all modules listed in $(MODVERDIR)/
__modules := $(sort $(shell grep -h '\.ko' /dev/null $(wildcard $(MODVERDIR)/*.mod)))
@@ -54,7 +55,9 @@ quiet_cmd_modpost = MODPOST
cmd_modpost = scripts/mod/modpost \
$(if $(CONFIG_MODVERSIONS),-m) \
$(if $(CONFIG_MODULE_SRCVERSION_ALL),-a,) \
- $(if $(KBUILD_EXTMOD),-i,-o) $(symverfile) \
+ $(if $(KBUILD_EXTMOD),-i,-o) $(kernelsymfile) \
+ $(if $(KBUILD_EXTMOD),-I $(modulesymfile)) \
+ $(if $(KBUILD_EXTMOD),-o $(modulesymfile)) \
$(filter-out FORCE,$^)
.PHONY: __modpost

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