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63 lines
2.2 KiB
63 lines
2.2 KiB
# Copyright (c) 2013 Oracle and/or its affiliates. All Rights Reserved.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; either version 2 of
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# the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it would be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#
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# Author: Alexey Kodanev <alexey.kodanev@oracle.com>
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#
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# Include it to build kernel modules.
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# REQ_VERSION_MAJOR and REQ_VERSION_PATCH must be defined beforehand.
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#
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$(if $(REQ_VERSION_MAJOR),,$(error You must define REQ_VERSION_MAJOR))
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$(if $(REQ_VERSION_PATCH),,$(error You must define REQ_VERSION_MINOR))
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ifeq ($(WITH_MODULES),no)
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SKIP := 1
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else
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ifeq ($(LINUX_VERSION_MAJOR)$(LINUX_VERSION_PATCH),)
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SKIP := 1
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else
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SKIP ?= $(shell \
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[ "$(LINUX_VERSION_MAJOR)" -gt "$(REQ_VERSION_MAJOR)" ] || \
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[ "$(LINUX_VERSION_MAJOR)" -eq "$(REQ_VERSION_MAJOR)" -a \
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"$(LINUX_VERSION_PATCH)" -ge "$(REQ_VERSION_PATCH)" ]; echo $$?)
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endif
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endif
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ifneq ($(SKIP),0)
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MAKE_TARGETS := $(filter-out %.ko, $(MAKE_TARGETS))
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endif
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ifneq ($(filter install clean,$(MAKECMDGOALS)),)
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MAKE_TARGETS := $(filter-out %.ko, $(MAKE_TARGETS))
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MAKE_TARGETS += $(wildcard *.ko)
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endif
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CLEAN_TARGETS += .dep_modules
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MODULE_SOURCES := $(patsubst %.ko,%.c,$(filter %.ko, $(MAKE_TARGETS)))
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# Ignoring the exit status of commands is done to be forward compatible with
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# kernel internal API changes. The user-space test will return TCONF, if it
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# doesn't find the module (i.e. it wasn't built either due to kernel-devel
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# missing or module build failure).
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%.ko: %.c .dep_modules ;
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.dep_modules: $(MODULE_SOURCES)
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@echo "Building modules: $(MODULE_SOURCES)"
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-$(MAKE) -C $(LINUX_DIR) M=$(abs_srcdir)
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rm -rf *.mod.c *.o *.ko.unsigned modules.order .tmp* .*.ko .*.cmd Module.symvers
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@touch .dep_modules
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