# Linux kernels before v4.15, allowed to be compiled with static
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# regulatory database if it was put under net/wireless/db.txt.
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#
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# This class copies the regulatory plaintext database to kernel sources before
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# compiling.
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#
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# Usage:
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# 1. The class should be inherited by kernel recipe (e.g. in
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# linux-yocto_%.bbappend).
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# 2. For Linux kernels up to v4.14, build kernel with CONFIG_EXPERT and
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# CONFIG_CFG80211_INTERNAL_REGDB.
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DEPENDS += "wireless-regdb-native"
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SRCTREECOVEREDTASKS += "do_kernel_add_regdb"
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do_kernel_add_regdb() {
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cp ${STAGING_LIBDIR_NATIVE}/crda/db.txt ${S}/net/wireless/db.txt
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}
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do_kernel_add_regdb[dirs] = "${S}"
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addtask kernel_add_regdb before do_build after do_configure
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