50 lines
1.7 KiB
Plaintext
50 lines
1.7 KiB
Plaintext
# ax_linuxkm.m4 -- macros for getting attributes of default configured kernel
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#
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# Copyright (C) 2006-2020 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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AC_DEFUN([AC_PATH_DEFAULT_KERNEL_SOURCE],
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[
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AC_MSG_CHECKING([for default kernel build root])
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if test -d /lib/modules/`uname -r`/build/.config; then
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DEFAULT_KERNEL_ROOT=/lib/modules/`uname -r`/build
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AC_MSG_RESULT([$DEFAULT_KERNEL_ROOT])
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elif test -r /usr/src/linux/.config; then
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DEFAULT_KERNEL_ROOT=/usr/src/linux
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AC_MSG_RESULT([$DEFAULT_KERNEL_ROOT])
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else
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AC_MSG_RESULT([no default configured kernel found])
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fi
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])
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AC_DEFUN([AC_DEFAULT_KERNEL_ARCH],
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[
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AC_REQUIRE([AC_PROG_AWK])
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AC_MSG_CHECKING([for default kernel arch])
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if test -f ${KERNEL_ROOT}/.config; then
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# "# Linux/x86 5.8.1-gentoo Kernel Configuration"
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DEFAULT_KERNEL_ARCH=`$AWK '/^# Linux/\
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{split($[]2,arch_fields,"/"); print arch_fields[[2]]; exit(0);}' ${KERNEL_ROOT}/.config`
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fi
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if test -n "$DEFAULT_KERNEL_ARCH"; then
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AC_MSG_RESULT([$DEFAULT_KERNEL_ARCH])
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else
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AC_MSG_RESULT([no default configured kernel arch found])
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fi
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])
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