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# Created by: Tobias Kortkamp <t@tobik.me>
# $FreeBSD$
# To configure the Linux kernel yourself run
#
# make _menuconfig
#
# first, afterwards proceed with the normal port installation. This
# is optional.
#
# By default the Linux config file is saved in work/linux-config. You
# can override it by setting LINUX_KCONFIG. If you need it later copy
# it somewhere else before running make clean, or it's gone!
#
# To use an existing Linux config file pass the absolute path with
# LINUX_KCONFIG=/path/to/linux/config to the port (on the command line
# or via /etc/make.conf). Enabling either the XEN or KVM option will
# merge the KVM/XEN-specific default config with your own.
#
# You can run any Makefile targets of Linux by prefixing it with an
# underscore (_). This setups a build environment for you so has
# benefits over going to ${WRKSRC} yourself.
#
# You won't be able to build 64-bit kernels on FreeBSD/i386. gcc is
# missing support for this.
#
# By default the kernel is installed into ${PREFIX}/linux-kernel.
# Override by setting LINUX_INSTALL_PATH. Same for kernel modules and
# LINUX_MOD_INSTALL_PATH.
PORTNAME= linux-kernel
PORTVERSION= 4.9.5
PORTREVISION= 1
CATEGORIES= devel
MASTER_SITES= KERNEL_ORG/linux/kernel/v4.x
DISTNAME= linux-${DISTVERSION}
MAINTAINER= tobik@FreeBSD.org
COMMENT= Linux kernel
LICENSE= GPLv2
LICENSE_FILE= ${WRKSRC}/COPYING
BUILD_DEPENDS= bash:shells/bash \
gcp:sysutils/coreutils \
gsed:textproc/gsed \
gnubc>0:math/gnubc
# USE_GCC adds a run dependency on gcc, which is nonsense for this
# port so we add a binutils and gcc build dependency ourselves. Using
# 'gcc>0' to always install gcc even on FreeBSD 9.3, where base's gcc
# is too old.
BUILD_DEPENDS+= gcc>0:lang/gcc \
binutils>0:devel/binutils
USES= tar:xz gmake ncurses perl5 shebangfix
SHEBANG_FILES= scripts/check_extable.sh \
scripts/coccicheck \
scripts/config \
scripts/decode_stacktrace.sh \
scripts/gfp-translate \
scripts/kernel-doc \
scripts/mkuboot.sh \
scripts/objdiff
ONLY_FOR_ARCHS= i386 amd64
# Override LINUX_KCONFIG to set the Linux configuration file to use
LINUX_KCONFIG?= ${WRKDIR}/linux-config
.if !exists(${LINUX_KCONFIG})
ALL_TARGET= defconfig
.endif
OPTIONS_DEFINE= FIRMWARE KVM MODULES XEN
OPTIONS_DEFAULT= KVM
FIRMWARE_DESC= Install firmware
KVM_DESC= KVM guest kernel support
MODULES_DESC= Build and install kernel modules
XEN_DESC= Xen dom0 and guest kernel support
.include <bsd.port.pre.mk>
# Unfortunately options helpers can't be used here. KVM_ALL_TARGET
# would append 'kvmconfig' to the end of ALL_TARGET but it needs to go
# before 'bzImage'.
.if ${PORT_OPTIONS:MKVM}
ALL_TARGET+= kvmconfig
.endif
.if ${PORT_OPTIONS:MXEN}
ALL_TARGET+= xenconfig
.endif
ALL_TARGET+= bzImage
INSTALL_TARGET= install
.if ${PORT_OPTIONS:MMODULES}
ALL_TARGET+= modules
INSTALL_TARGET+= modules_install
.endif
.if ${PORT_OPTIONS:MFIRMWARE}
INSTALL_TARGET+= firmware_install
.endif
# Setup build environment
## For menuconfig, config, etc.
HOST_EXTRACFLAGS+= -DCURSES_LOC='<ncurses.h>' -DKBUILD_NO_NLS=1
HOST_LOADLIBES+= -Wl,-rpath=${LOCALBASE}/lib
LINUX_ARCH?= x86
LINUX_SUBARCH?= x86
LINUX_INSTALL_PATH?= ${PREFIX}/linux-kernel
LINUX_MOD_INSTALL_PATH?= ${LINUX_INSTALL_PATH}
## Pretend to be Linux (for ACPI)
KCFLAGS+= -D_LINUX -D__linux__
HOST_EXTRACFLAGS+= -I${BUILD_WRKSRC}/freebsd-build-support/include
## Make sure ${LOCALBASE}/bin is in the PATH for Poudriere/Synth
MAKE_ENV+= PATH="${BUILD_WRKSRC}/freebsd-build-support/bin:${LOCALBASE}/bin:${PATH}" \
HOST_EXTRACFLAGS="${HOST_EXTRACFLAGS}" \
HOST_LOADLIBES="${HOST_LOADLIBES}" \
KCFLAGS="${KCFLAGS}" \
BASH="${LOCALBASE}/bin/bash"
MAKE_ARGS+= ARCH="${LINUX_ARCH}" \
SUBARCH="${LINUX_SUBARCH}" \
KCONFIG_CONFIG="${LINUX_KCONFIG}" \
INSTALL_PATH="${STAGEDIR}${LINUX_INSTALL_PATH}" \
INSTALL_MOD_PATH="${STAGEDIR}${LINUX_MOD_INSTALL_PATH}" \
V=1
post-patch:
# Create empty include files which Linux' build tools require, but
# are not needed on FreeBSD. Saves us from patching code.
@${MKDIR} ${WRKSRC}/freebsd-build-support/include
@${TOUCH} ${WRKSRC}/freebsd-build-support/include/byteswap.h
@${TOUCH} ${WRKSRC}/freebsd-build-support/include/endian.h
@${TOUCH} ${WRKSRC}/freebsd-build-support/include/features.h
# Setup some tools that Linux' build system uses where FreeBSD's
# versions are not compatible enough with GNU's.
@${MKDIR} ${WRKSRC}/freebsd-build-support/bin
@${LN} -s ${LOCALBASE}/bin/gcp ${WRKSRC}/freebsd-build-support/bin/cp
@${LN} -s ${LOCALBASE}/bin/gsed ${WRKSRC}/freebsd-build-support/bin/sed
# Some scripts expect the config file in /.config
@${LN} -sf ${LINUX_KCONFIG} ${WRKSRC}/.config
# Run Makefile targets of Linux with e.g. make _menuconfig. Run make
# _help to see a list of available targets. Prefix targets with _.
# Some of Linux' targets are duplicates of the ports tree's and this
# should hopefully prevent conflicts between them.
.for target in ${.TARGETS:M_*}
${target}: patch
@(cd ${BUILD_WRKSRC} && ${DO_MAKE_BUILD} ${target:S/_//})
@${ECHO} "Linux configuration file: ${LINUX_KCONFIG}"
.endfor
pre-build:
@${ECHO} "using ${LINUX_KCONFIG}"
pre-install:
@${MKDIR} ${STAGEDIR}${LINUX_INSTALL_PATH}
@${MKDIR} ${STAGEDIR}${LINUX_MOD_INSTALL_PATH}
post-install:
# With the multitude of options available in the Linux kernel
# maintaining a proper plist is going to be near impossible, so we
# generate it on the fly here.
@(cd ${STAGEDIR}${PREFIX} && \
${FIND} -s linux-kernel -type f -o -type l >> ${TMPPLIST})
.include <bsd.port.post.mk>
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