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Add script for builtin module building.

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This commit introduces a "copy-builtin" script designed to prepare a
kernel source tree for building ZFS as a builtin module. The script
makes a full copy of all needed files, thus making the kernel source
tree fully independent of the zfs source package.

To achieve that, some compilation flags (-include, -I) have been moved
to module/Makefile. This Makefile is only used when compiling external
modules; when compiling builtin modules, a Kbuild file generated by the
configure-builtin script is used instead. This makes sure Makefiles
inside the kernel source tree does not contain references to the zfs
source package.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #851
This commit is contained in:
Etienne Dechamps
2012-07-09 11:23:00 +02:00
committed by Brian Behlendorf
parent 705741827a
commit 2ee4a18b2a
9 changed files with 145 additions and 31 deletions
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module/Makefile.in
+6 -1
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@@ -5,6 +5,11 @@ subdir-m += zcommon
subdir-m += zfs
subdir-m += zpios
ZFS_MODULE_CFLAGS += -include @SPL_OBJ@/spl_config.h
ZFS_MODULE_CFLAGS += -include @abs_top_builddir@/zfs_config.h
ZFS_MODULE_CFLAGS += -I@abs_top_srcdir@/include -I@SPL@/include -I@SPL@
export ZFS_MODULE_CFLAGS
modules:
@# Make the exported SPL symbols available to these modules.
@# They may be in the root of SPL_OBJ when building against
@@ -21,7 +26,7 @@ modules:
"*** - @SPL_OBJ@/module/@SPL_SYMBOLS@\n"; \
exit 1; \
fi
$(MAKE) -C @LINUX_OBJ@ SUBDIRS=`pwd` @KERNELMAKE_PARAMS@ $@
$(MAKE) -C @LINUX_OBJ@ SUBDIRS=`pwd` @KERNELMAKE_PARAMS@ CONFIG_ZFS=m $@
clean:
@# Only cleanup the kernel build directories when CONFIG_KERNEL