| # SPDX-License-Identifier: GPL-2.0-only |
| # |
| # Copyright (C) 2006-2010 OpenWrt.org |
| |
| include $(TOPDIR)/rules.mk |
| include $(INCLUDE_DIR)/image.mk |
| |
| define Image/Prepare |
| cp $(LINUX_DIR)/linux $(KDIR)/vmlinux.elf |
| endef |
| |
| define Image/Build/squashfs |
| dd if=/dev/zero of=$(KDIR)/root.squashfs bs=1024k count=0 seek=$(CONFIG_TARGET_ROOTFS_PARTSIZE) |
| endef |
| |
| define Image/Build |
| $(call Image/Build/$(1)) |
| cp $(KDIR)/root.$(1) $(BIN_DIR)/$(IMG_PREFIX)-$(1).img |
| cp $(KDIR)/vmlinux.elf $(BIN_DIR)/$(IMG_PREFIX)-vmlinux |
| endef |
| |
| $(eval $(call BuildImage)) |
| |
| # UML requires linking against several glibc static libraries: libutil, librt |
| # and libpthread, check that here. We do not check against libpthread |
| # specifically because getting something to build that references a libpthread |
| # symbol is pretty involved and Linux distributions package these 3 libraries |
| # in the same package. |
| |
| $(eval $(call TestHostCommand,glibc-static, \ |
| Please install a static glibc package. (Missing libutil.a, librt.a or libpthread.a), \ |
| echo 'int main(int argc, char **argv) { login(0); timer_gettime(0, 0); return 0; }' | \ |
| gcc -include utmp.h -x c -o $(TMP_DIR)/a.out - -static -lutil -lrt)) |