payloads/external/skiboot/Makefile

   1 ## SPDX-License-Identifier: GPL-2.0-only
   2
   3 build_dir=$(CURDIR)/build
   4 skiboot_dir=$(CURDIR)/skiboot
   5 skiboot_git_repo=$(CONFIG_SKIBOOT_GIT_REPO)
   6 skiboot_revision=$(CONFIG_SKIBOOT_REVISION)
   7 skiboot_elf=$(build_dir)/skiboot.elf
   8 skiboot_cross=$(or $(CROSS),powerpc64-linux-gnu-)
   9
  10 unexport $(COREBOOT_EXPORTS)
  11
  12 .PHONY: all clean distclean
  13
  14 all: $(skiboot_elf)
  15
  16 $(skiboot_elf): | $(skiboot_dir) $(build_dir)
  17         +$(MAKE) -C $(skiboot_dir) CROSS="$(skiboot_cross)"
  18         cp $(skiboot_dir)/skiboot.elf $@
  19         # skiboot is always built with debug information due to unconditional -ggdb
  20         $(skiboot_cross)strip $@
  21
  22 $(skiboot_dir):
  23         git clone $(skiboot_git_repo) $(skiboot_dir)
  24         git -C $(skiboot_dir) checkout $(skiboot_revision)
  25
  26 $(build_dir):
  27         mkdir -p $(build_dir)
  28
  29 distclean: clean
  30         rm -rf $(skiboot_dir)
  31
  32 clean:
  33         # Redefine RM because it's used like `$(RM) non-existent-file`
  34         # Also ignore useless messages about removing test files
  35         [ ! -d $(skiboot_dir) ] || \
  36                 $(MAKE) -C $(skiboot_dir) RM="rm -rf" CROSS="$(skiboot_cross)" clean > /dev/null
  37         rm -rf $(build_dir)