122 lines
4.6 KiB
Makefile
122 lines
4.6 KiB
Makefile
# libwolfssl Linux kernel module Makefile (wraps Kbuild-native makefile)
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#
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# Copyright (C) 2006-2023 wolfSSL Inc.
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#
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# This file is part of wolfSSL.
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#
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# wolfSSL is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# wolfSSL is distributed in the hope that it will 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 to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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SHELL=/bin/bash
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all: libwolfssl.ko libwolfssl.ko.signed
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.PHONY: libwolfssl.ko
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ifndef MODULE_TOP
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MODULE_TOP=$(CURDIR)
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endif
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ifndef SRC_TOP
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SRC_TOP=$(shell dirname $(MODULE_TOP))
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endif
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WOLFSSL_CFLAGS=-DHAVE_CONFIG_H -I$(SRC_TOP) -DBUILDING_WOLFSSL $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -Wno-declaration-after-statement -Wno-redundant-decls -DLIBWOLFSSL_GLOBAL_EXTRA_CFLAGS="\" $(KERNEL_EXTRA_CFLAGS)\""
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ifdef KERNEL_EXTRA_CFLAGS
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WOLFSSL_CFLAGS += $(KERNEL_EXTRA_CFLAGS)
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endif
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WOLFSSL_ASFLAGS=-DHAVE_CONFIG_H -I$(SRC_TOP) -DBUILDING_WOLFSSL $(AM_CCASFLAGS) $(CCASFLAGS)
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WOLFSSL_OBJ_FILES=$(patsubst %.lo, %.o, $(patsubst src/src_libwolfssl_la-%, src/%, $(patsubst src/libwolfssl_la-%, src/%, $(patsubst wolfcrypt/src/src_libwolfssl_la-%, wolfcrypt/src/%, $(src_libwolfssl_la_OBJECTS)))))
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ifeq "$(ENABLED_CRYPT_TESTS)" "yes"
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WOLFSSL_OBJ_FILES+=wolfcrypt/test/test.o
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else
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WOLFSSL_CFLAGS+=-DNO_CRYPT_TEST
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endif
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ifeq "$(ENABLED_LINUXKM_PIE)" "yes"
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WOLFCRYPT_PIE_FILES := linuxkm/pie_first.o $(filter wolfcrypt/src/%,$(WOLFSSL_OBJ_FILES)) linuxkm/pie_redirect_table.o linuxkm/pie_last.o
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WOLFSSL_OBJ_FILES := $(WOLFCRYPT_PIE_FILES) $(filter-out $(WOLFCRYPT_PIE_FILES),$(WOLFSSL_OBJ_FILES))
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endif
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export WOLFSSL_CFLAGS WOLFSSL_ASFLAGS WOLFSSL_OBJ_FILES WOLFCRYPT_PIE_FILES
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libwolfssl.ko:
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@if test -z "$(KERNEL_ROOT)"; then echo '$$KERNEL_ROOT is unset' >&2; exit 1; fi
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@if test -z "$(AM_CFLAGS)$(CFLAGS)"; then echo '$$AM_CFLAGS and $$CFLAGS are both unset.' >&2; exit 1; fi
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@if test -z "$(src_libwolfssl_la_OBJECTS)"; then echo '$$src_libwolfssl_la_OBJECTS is unset.' >&2; exit 1; fi
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@mkdir -p linuxkm src wolfcrypt/src wolfcrypt/test
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@if test ! -h $(SRC_TOP)/Kbuild; then ln -s $(MODULE_TOP)/Kbuild $(SRC_TOP)/Kbuild; fi
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ifeq "$(ENABLED_LINUXKM_PIE)" "yes"
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+$(MAKE) -C $(KERNEL_ROOT) M=$(MODULE_TOP) src=$(SRC_TOP) $(KBUILD_EXTRA_FLAGS) CC_FLAGS_FTRACE=
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else
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+$(MAKE) -C $(KERNEL_ROOT) M=$(MODULE_TOP) src=$(SRC_TOP) $(KBUILD_EXTRA_FLAGS)
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endif
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libwolfssl.ko.signed: libwolfssl.ko
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@cd '$(KERNEL_ROOT)' || exit $$?; \
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while read configline; do \
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case "$$configline" in \
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CONFIG_MODULE_SIG*=*) \
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declare "$${configline%=*}"="$${configline#*=}" \
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;; \
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esac; \
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done < .config || exit $$?; \
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if [[ "$${CONFIG_MODULE_SIG}" = "y" && -n "$${CONFIG_MODULE_SIG_KEY}" && \
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-n "$${CONFIG_MODULE_SIG_HASH}" && ( ! -f '$(MODULE_TOP)/$@' || \
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'$(MODULE_TOP)/$<' -nt '$(MODULE_TOP)/$@' ) ]]; then \
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CONFIG_MODULE_SIG_KEY="$${CONFIG_MODULE_SIG_KEY#\"}"; \
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CONFIG_MODULE_SIG_KEY="$${CONFIG_MODULE_SIG_KEY%\"}"; \
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CONFIG_MODULE_SIG_HASH="$${CONFIG_MODULE_SIG_HASH#\"}"; \
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CONFIG_MODULE_SIG_HASH="$${CONFIG_MODULE_SIG_HASH%\"}"; \
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cp -p '$(MODULE_TOP)/$<' '$(MODULE_TOP)/$@' || exit $$?; \
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./scripts/sign-file "$${CONFIG_MODULE_SIG_HASH}" \
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"$${CONFIG_MODULE_SIG_KEY}" \
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"$${CONFIG_MODULE_SIG_KEY/%.pem/.x509}" \
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'$(MODULE_TOP)/$@'; \
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sign_file_exitval=$$?; \
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if [[ $$sign_file_exitval != 0 ]]; then \
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$(RM) -f '$(MODULE_TOP)/$@'; \
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exit $$sign_file_exitval; \
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fi; \
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if [[ "$(quiet)" != "silent_" ]]; then \
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echo " Module $@ signed by $${CONFIG_MODULE_SIG_KEY}."; \
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fi \
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fi
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.PHONY: install modules_install
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install modules_install:
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+$(MAKE) -C $(KERNEL_ROOT) M=$(MODULE_TOP) src=$(SRC_TOP) INSTALL_MOD_DIR=wolfssl modules_install
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.PHONY: clean
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# note, must supply $(MODULE_TOP) as the src value for clean so that Kbuild is included, else
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# the top Makefile (which is not for the kernel build) would be included here.
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clean:
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+$(MAKE) -C $(KERNEL_ROOT) M=$(MODULE_TOP) src=$(MODULE_TOP) clean
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.PHONY: check
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check:
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.PHONY: distclean
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distclean: clean
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.PHONY: dist
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dist:
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.PHONY: distdir
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distdir:
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