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openwrt/target/sdk/Makefile
Robert Marko 817a1cb2bf sdk: include lib/crtsavres.o for powerpc 
Trying to link certain kernel modules like dahdi-linux when building with
the OpenWrt SDK will fail with:
openwrt-sdk-apm821xx-sata_gcc-13.2.0_musl.Linux-x86_64/staging_dir/toolchain-powerpc_464fp_gcc-13.2.0_musl/bin/powerpc-openwrt-linux-musl-ld: cannot find arch/powerpc/lib/crtsavres.o: No such file or directory

Previously this worked with the PowerPC SDK since we carried a hack that
was passing --save-restore-funcs to module LDFLAGS so the linker provided
the required functions automatically as without --save-restore-funcs it
doesnt do so automatically on relocatable links and as a sideffect did not
require the kernel provided crtsaves.o to link against.

Now that hack has been removed as upstream kernel now compiles crtsaves.o
by default so it can be linked against but its not included in the SDK.

So, lets include lib/crtsavres.o when SDK is generated for PowerPC.

Fixes: 1c28058710fd ("kernel: bump 5.15 to 5.15.148")
Signed-off-by: Robert Marko <robimarko@gmail.com>
2024-04-09 11:25:41 +02:00

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Makefile
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#
# Copyright (C) 2006-2014 OpenWrt.org
# Copyright (C) 2016 LEDE Project
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/kernel.mk
include $(INCLUDE_DIR)/version.mk
include $(INCLUDE_DIR)/download.mk
override MAKEFLAGS=
SDK_NAME:=$(VERSION_DIST_SANITIZED)-sdk-$(if $(CONFIG_VERSION_FILENAMES),$(VERSION_NUMBER)-)$(BOARD)$(if $(SUBTARGET),-$(SUBTARGET))$(if $(GCCV),_gcc-$(GCCV))$(DIR_SUFFIX).$(HOST_OS)-$(HOST_ARCH)
SDK_BUILD_DIR:=$(BUILD_DIR)/$(SDK_NAME)
STAGING_SUBDIR_HOST := staging_dir/host
STAGING_SUBDIR_TARGET := staging_dir/$(TARGET_DIR_NAME)
STAGING_SUBDIR_TOOLCHAIN := staging_dir/toolchain-$(ARCH)$(ARCH_SUFFIX)_gcc-$(GCCV)_$(LIBC)$(if $(CONFIG_arm),_eabi)
BUNDLER_PATH := $(subst $(space),:,$(filter-out $(TOPDIR)/%,$(subst :,$(space),$(PATH))))
BUNDLER_COMMAND := PATH=$(BUNDLER_PATH) $(XARGS) $(SCRIPT_DIR)/bundle-libraries.sh $(SDK_BUILD_DIR)/$(STAGING_SUBDIR_HOST)
EXCLUDE_DIRS:= \
*/stamp \
*/stampfiles \
*/man \
*/info \
*/root-* \
*.install.clean \
*.install.flags \
*.install \
*/share/locale
SDK_DIRS = \
$(STAGING_SUBDIR_HOST) \
$(STAGING_SUBDIR_TOOLCHAIN)
GIT_URL:=$(shell git config --get remote.origin.url 2>/dev/null)
GIT_URL:=$(if $(CONFIG_BUILDBOT),$(filter git://% http://% https://%,$(GIT_URL)),$(GIT_URL))
GIT_COMMIT:=$(shell git rev-parse HEAD 2>/dev/null)
GIT_BRANCH:=$(filter-out master HEAD,$(shell git rev-parse --abbrev-ref HEAD 2>/dev/null))
GIT_TAGNAME:=$(shell git show-ref --tags --dereference 2>/dev/null | sed -ne '/^$(GIT_COMMIT) / { s|^.*/||; s|\^.*||; p }')
BASE_FEED:=$(if $(GIT_URL),src-git-full base $(GIT_URL)$(if $(GIT_BRANCH),;$(GIT_BRANCH),$(if $(GIT_TAGNAME),;$(GIT_TAGNAME))))
BASE_FEED:=$(if $(BASE_FEED),$(BASE_FEED),$(shell cd $(TOPDIR); LC_ALL=C git svn info 2>/dev/null | sed -ne 's/^URL: /src-gitsvn base /p'))
BASE_FEED:=$(if $(BASE_FEED),$(BASE_FEED),$(shell cd $(TOPDIR); LC_ALL=C svn info 2>/dev/null | sed -ne 's/^URL: /src-svn base /p'))
BASE_FEED:=$(if $(BASE_FEED),$(BASE_FEED),src-git-full base $(PROJECT_GIT)/openwrt/openwrt.git$(if $(GIT_BRANCH),;$(GIT_BRANCH),$(if $(GIT_TAGNAME),;$(GIT_TAGNAME))))
KDIR_BASE = $(patsubst $(TOPDIR)/%,%,$(LINUX_DIR))
KDIR_ARCHES = $(LINUX_KARCH)
# arch/arm64/ includes reference files in arch/arm/, so we'll need both
ifeq ($(LINUX_KARCH),arm64)
KDIR_ARCHES += arm
endif
KERNEL_FILES_ARCH = \
Makefile* \
module.lds \
Kbuild.platforms \
*/Platform \
include \
*/include \
scripts \
kernel/asm-offsets.s \
kernel/module.lds
ifeq ($(LINUX_KARCH),powerpc)
KERNEL_FILES_ARCH += lib/crtsavres.o
endif
KERNEL_FILES_BASE := \
.config \
Makefile \
scripts \
tools/objtool \
include \
Module.symvers \
modules.builtin \
$(foreach arch,$(KDIR_ARCHES),$(addprefix arch/$(arch)/,$(KERNEL_FILES_ARCH)))
KERNEL_FILES := $(patsubst $(TOPDIR)/%,%,$(wildcard $(addprefix $(LINUX_DIR)/,$(KERNEL_FILES_BASE))))
# The kernel source hosts various userspace utilities sources.
# These are packaged separately from the kernel and kernel modules.
# The source has to be included here to be buildable by the SDK.
#
USERSPACE_UTILS_FILES := \
tools/build \
tools/scripts \
tools/usb/usbip \
tools/spi
USERSPACE_FILES := $(patsubst $(TOPDIR)/%,%,$(wildcard $(addprefix $(LINUX_DIR)/,$(USERSPACE_UTILS_FILES))))
all: compile
$(BIN_DIR)/$(SDK_NAME).tar.xz: clean
mkdir -p \
$(SDK_BUILD_DIR)/dl \
$(SDK_BUILD_DIR)/package \
$(SDK_BUILD_DIR)/$(STAGING_SUBDIR_TARGET)/include \
$(SDK_BUILD_DIR)/$(STAGING_SUBDIR_TARGET)/usr/include
$(CP) -L $(INCLUDE_DIR) $(SCRIPT_DIR) $(SDK_BUILD_DIR)/
$(TAR) -cf - -C $(TOPDIR) \
`cd $(TOPDIR); find $(KDIR_BASE)/ -name \*.ko` \
`cd $(TOPDIR); find $(KDIR_BASE)/firmware/ -newer $(KDIR_BASE)/firmware/Makefile \
-type f -name '*.bin' -or -name '*.cis' -or -name '*.csp' -or -name '*.dsp' -or -name '*.fw'` \
$(foreach exclude,$(EXCLUDE_DIRS),--exclude="$(exclude)") \
$(SDK_DIRS) $(KERNEL_FILES) | \
$(TAR) -xf - -C $(SDK_BUILD_DIR)
$(TAR) -cf - -C $(TOPDIR) $(USERSPACE_FILES) | \
$(TAR) -xf - -C $(SDK_BUILD_DIR)
(cd $(SDK_BUILD_DIR); find $(STAGING_SUBDIR_HOST)/bin $(STAGING_SUBDIR_HOST)/usr/bin \
$(STAGING_SUBDIR_TOOLCHAIN)/bin $(STAGING_SUBDIR_TOOLCHAIN)/*/bin $(STAGING_SUBDIR_TOOLCHAIN)/libexec \
$(KDIR_BASE) \
-type f | $(BUNDLER_COMMAND))
@-( \
find \
$(SDK_BUILD_DIR)/$(STAGING_SUBDIR_HOST)/bin \
$(SDK_BUILD_DIR)/$(STAGING_SUBDIR_HOST)/usr/bin \
$(SDK_BUILD_DIR)/$(STAGING_SUBDIR_TOOLCHAIN)/bin \
$(SDK_BUILD_DIR)/$(STAGING_SUBDIR_TOOLCHAIN)/*/bin \
$(SDK_BUILD_DIR)/$(STAGING_SUBDIR_TOOLCHAIN)/libexec \
-type f; \
find \
$(SDK_BUILD_DIR)/$(STAGING_SUBDIR_HOST)/lib \
$(SDK_BUILD_DIR)/$(STAGING_SUBDIR_HOST)/usr/lib \
-type f -name \*.so\*; \
) | xargs strip 2>/dev/null >/dev/null
mkdir -p $(SDK_BUILD_DIR)/target/linux
$(CP) $(GENERIC_PLATFORM_DIR) $(PLATFORM_DIR) $(SDK_BUILD_DIR)/target/linux/
rm -rf \
$(SDK_BUILD_DIR)/target/linux/*/files* \
$(SDK_BUILD_DIR)/target/linux/*/patches*
./convert-config.pl $(TOPDIR)/.config > $(SDK_BUILD_DIR)/Config-build.in
$(CP) -L \
$(TOPDIR)/LICENSES \
$(TOPDIR)/COPYING \
$(TOPDIR)/rules.mk \
./files/Config.in \
./files/Makefile \
./files/include/prepare.mk \
./files/README.md \
$(SDK_BUILD_DIR)/
mkdir -p $(SDK_BUILD_DIR)/package/kernel
$(CP) \
$(TOPDIR)/package/Makefile \
$(TOPDIR)/package/libs/toolchain \
$(SDK_BUILD_DIR)/package/
$(CP) \
$(TOPDIR)/package/kernel/linux \
$(SDK_BUILD_DIR)/package/kernel/
-rm -rf $(SDK_BUILD_DIR)/$(STAGING_SUBDIR_HOST)/.prereq-build
-rm -rf $(SDK_BUILD_DIR)/$(STAGING_SUBDIR_HOST)/doc
-rm -rf $(SDK_BUILD_DIR)/$(STAGING_SUBDIR_HOST)/share/doc
-rm -f $(SDK_BUILD_DIR)/feeds.conf.default
$(if $(BASE_FEED),echo "$(BASE_FEED)" > $(SDK_BUILD_DIR)/feeds.conf.default)
if [ -f $(TOPDIR)/feeds.conf ]; then \
cat $(TOPDIR)/feeds.conf >> $(SDK_BUILD_DIR)/feeds.conf.default; \
else \
cat $(TOPDIR)/feeds.conf.default >> $(SDK_BUILD_DIR)/feeds.conf.default; \
fi
$(SED) 's,^# REVISION:=.*,REVISION:=$(REVISION),g' $(SDK_BUILD_DIR)/include/version.mk
$(SED) 's,^# SOURCE_DATE_EPOCH:=.*,SOURCE_DATE_EPOCH:=$(SOURCE_DATE_EPOCH),g' $(SDK_BUILD_DIR)/include/version.mk
$(SED) '/LINUX_VERMAGIC:=/ { s,unknown,$(LINUX_VERMAGIC),g }' $(SDK_BUILD_DIR)/include/kernel.mk
find $(SDK_BUILD_DIR) -name .git | $(XARGS) rm -rf
find $(SDK_BUILD_DIR) -name .svn | $(XARGS) rm -rf
find $(SDK_BUILD_DIR) -name CVS | $(XARGS) rm -rf
-make -C $(SDK_BUILD_DIR)/scripts/config clean
(cd $(BUILD_DIR); \
tar -I '$(STAGING_DIR_HOST)/bin/xz -7e -T$(if $(filter 1,$(NPROC)),2,0)' -cf $@ $(SDK_NAME) \
--mtime="$(shell date --date=@$(SOURCE_DATE_EPOCH))"; \
)
download:
prepare:
compile: $(BIN_DIR)/$(SDK_NAME).tar.xz
install: compile
clean:
rm -rf $(SDK_BUILD_DIR) $(BIN_DIR)/$(SDK_NAME).tar.xz
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