GARNAME = linux-rt
mainversion = 2.6.26
patchversion = .6
preversion =
extraversion = -rt11
gsversion = -gs1
GARVERSION = $(mainversion)$(patchversion)$(preversion)$(extraversion)$(gsversion)
CATEGORIES = linux
MASTER_SITES = $(MASTER_KERNEL)
MASTER_SUBDIR = linux/kernel/v2.6/
SIGFILE_SITES = $(PATCHFILE_SITES)
PATCHFILE_SITES = \
	$(addsuffix linux/kernel/projects/rt/older/,$(MASTER_KERNEL)) \
	$(addsuffix linux/kernel/projects/rt/,$(MASTER_KERNEL))
mainname = linux-$(mainversion)$(preversion).tar.bz2
DISTFILES = $(mainname) config
SIGFILES = $(mainname).sign $(if $(patchversion),$(patchname).sign) $(if $(extraversion),$(rtname).sign)
patchname = $(if $(patchversion),patch-$(mainversion)$(preversion)$(patchversion).bz2)
rtname = patch-$(mainversion)$(preversion)$(patchversion)$(extraversion).bz2
PATCHFILES = $(patchname) $(rtname)
PATCHOPTS = -p1
WORKSRC = $(WORKDIR)/linux-$(mainversion)$(preversion)

DESCRIPTION = The Linux kernel with realtime patches
HOME_URL = http://rt.wiki.kernel.org/index.php/CONFIG_PREEMPT_RT_Patch

CONFIGURE_SCRIPTS = config
BUILD_SCRIPTS = $(WORKSRC)/Makefile
INSTALL_SCRIPTS = kernel source docs

BUILD_ARGS = all

dest = $(packageprefix)/src/linux-rt
moddir = /lib/modules/$(GARVERSION)

include ../linux.mk

patch-clearev:
	@sed -i 's,\(EXTRAVERSION =\).*,\1,' $(WORKSRC)/Makefile
	$(MAKECOOKIE)

post-patch:
	@sed -i 's,\(EXTRAVERSION =\).*,\1 $(patchversion)$(preversion)$(extraversion)$(gsversion),' $(WORKSRC)/Makefile
	$(MAKECOOKIE)

configure-config:
	@cp $(FILEDIR)/config $(WORKSRC)/.config
	@yes '' | make -C $(WORKSRC) oldconfig
	$(MAKECOOKIE)

# This rule should be invoked by hand after a version upgrade in order to
# update the config file contained in this port.
config_target ?= oldconfig
config:
	@sed -i 's,/usr/include,$(prefix)/include,g' $(WORKSRC)/scripts/kconfig/lxdialog/check-lxdialog.sh
	@cp $(FILEDIR)/config $(WORKSRC)/.config
	@make -C $(WORKSRC) $(config_target)
	@cp $(WORKSRC)/.config $(FILEDIR)/config
	@make makesum

install-kernel:
	@install -m755 $(WORKSRC)/arch/i386/boot/bzImage $(bootdir)/vmlinuz-$(GARVERSION)
	@cd $(bootdir) && \
		rm -f vmlinuz.old && \
		( mv vmlinuz vmlinuz.old || true ) && \
		ln -sf vmlinuz-$(GARVERSION) vmlinuz && \
		ln -sf vmlinuz-$(GARVERSION) vmlinuz-rt
	@make -C $(WORKSRC) modules_install
	@make -C $(WORKSRC) headers_install INSTALL_HDR_PATH=$(packageprefix)
	@cd $(packageprefix)/include && rm -rf *-rt && for x in *; do mv $$x $$x-rt; done
	$(MAKECOOKIE)

install-source:
	@mkdir -p $(dest)
	@rm -rf $(dest)
	@cp -LR $(WORKSRC) $(dest)
	@make -C $(dest) clean
	@make -C $(dest) prepare
	@rm -f $(moddir)/build $(moddir)/source
	@ln -sf $(prefix)/src/linux $(moddir)/build
	@ln -sf $(prefix)/src/linux $(moddir)/source
	$(MAKECOOKIE)

install-docs:
	@$(INSTALL_DOCS) $(WORKSRC)/Documentation/*
	$(MAKECOOKIE)