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kbuild: remove command line interface LDFLAGS_MODULE from makefiles.txt 

Documentation/kbuild/makefiles.txt lists variables used in Makefile
whereas Documentation/kbuild/kbuild.txt describes user assignable
parameters given via environments or the command line.

LDFLAGS_MODULE is a command line interface, so it should be dropped
from makefiles.txt.

Some lines below in this file, it is clearly explained that
KBUILD_LDFLAGS_MODULE is the right one for the internal use:

    KBUILD_LDFLAGS_MODULE   Options for $(LD) when linking modules

        $(KBUILD_LDFLAGS_MODULE) is used to add arch-specific options
        used when linking modules. This is often a linker script.
        From commandline LDFLAGS_MODULE shall be used (see kbuild.txt).

Then, kbuild.txt explains LDFLAGS_MODULE, like follows:

    LDFLAGS_MODULE
    --------------------------------------------------
    Additional options used for $(LD) when linking modules.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Masahiro Yamada 2018-02-28 19:14:23 +09:00
parent 0294e6f4a0
commit 35cd02bee6
1 changed files with 0 additions and 6 deletions
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6
Documentation/kbuild/makefiles.txt
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@ -837,12 +837,6 @@ When kbuild executes, the following steps are followed (roughly):
Note: ldflags-y can be used to further customise
the flags used. See chapter 3.7.
LDFLAGS_MODULE Options for $(LD) when linking modules
LDFLAGS_MODULE is used to set specific flags for $(LD) when
linking the .ko files used for modules.
Default is "-r", for relocatable output.
LDFLAGS_vmlinux Options for $(LD) when linking vmlinux
LDFLAGS_vmlinux is used to specify additional flags to pass to