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module.bbclass: allow to override location of Module.symvers 

Requiring all build systems for external kernel modules to
place Module.symvers directly into ${B}/. is quite an
artificial assumption/requirement. It doesn't have to end
up there, but could easily end up somewhere below ${B}.

Allow to override the location below ${B}

Note that we still don't make use of multiple
Module.symvers in case there are any generated by one
single kernel module build, but this is no change in
behaviour from before and could be added if there really
is a demand for that.

Reported-by: Denys Dmytriyenko <denis@denix.org>
(From OE-Core rev: caa0fa2ddf0c97255b38b1ec8579944ab4821ff1)

Signed-off-by: André Draszik <adraszik@tycoint.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
André Draszik 2016-11-21 09:37:13 +00:00 committed by Richard Purdie
parent bb7aecb2f9
commit 8f12a03dda
1 changed files with 12 additions and 4 deletions
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16
meta/classes/module.bbclass
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@ -7,6 +7,7 @@ do_make_scripts[depends] += "virtual/kernel:do_shared_workdir"
EXTRA_OEMAKE += "KERNEL_SRC=${STAGING_KERNEL_DIR}"
MODULES_INSTALL_TARGET ?= "modules_install"
MODULES_MODULE_SYMVERS_LOCATION ?= ""
python __anonymous () {
depends = d.getVar('DEPENDS')
@ -35,10 +36,17 @@ module_do_install() {
O=${STAGING_KERNEL_BUILDDIR} \
${MODULES_INSTALL_TARGET}
install -d -m0755 ${D}${includedir}/${BPN}
cp -a --no-preserve=ownership ${B}/Module.symvers ${D}${includedir}/${BPN}
# it doesn't actually seem to matter which path is specified here
sed -e 's:${B}/::g' -i ${D}${includedir}/${BPN}/Module.symvers
if [ ! -e "${B}/${MODULES_MODULE_SYMVERS_LOCATION}/Module.symvers" ] ; then
bbwarn "Module.symvers not found in ${B}/${MODULES_MODULE_SYMVERS_LOCATION}"
bbwarn "Please consider setting MODULES_MODULE_SYMVERS_LOCATION to a"
bbwarn "directory below B to get correct inter-module dependencies"
else
install -Dm0644 "${B}/${MODULES_MODULE_SYMVERS_LOCATION}"/Module.symvers ${D}${includedir}/${BPN}/Module.symvers
# Module.symvers contains absolute path to the build directory.
# While it doesn't actually seem to matter which path is specified,
# clear them out to avoid confusion
sed -e 's:${B}/::g' -i ${D}${includedir}/${BPN}/Module.symvers
fi
}
EXPORT_FUNCTIONS do_compile do_install