scripts/Makefile

   1 # SPDX-License-Identifier: GPL-2.0
   2 ###
   3 # scripts contains sources for various helper programs used throughout
   4 # the kernel for the build process.
   5
   6 hostprogs-always-$(CONFIG_BUILD_BIN2C)                  += bin2c
   7 hostprogs-always-$(CONFIG_KALLSYMS)                     += kallsyms
   8 hostprogs-always-$(BUILD_C_RECORDMCOUNT)                += recordmcount
   9 hostprogs-always-$(CONFIG_BUILDTIME_TABLE_SORT)         += sorttable
  10 hostprogs-always-$(CONFIG_ASN1)                         += asn1_compiler
  11 hostprogs-always-$(CONFIG_MODULE_SIG_FORMAT)            += sign-file
  12 hostprogs-always-$(CONFIG_SYSTEM_EXTRA_CERTIFICATE)     += insert-sys-cert
  13 always-$(CONFIG_RUST)                                   += target.json
  14
  15 filechk_rust_target = $< < include/config/auto.conf
  16
  17 $(obj)/target.json: scripts/generate_rust_target include/config/auto.conf FORCE
  18         $(call filechk,rust_target)
  19
  20 hostprogs += generate_rust_target
  21 generate_rust_target-rust := y
  22
  23 HOSTCFLAGS_sorttable.o = -I$(srctree)/tools/include
  24 HOSTLDLIBS_sorttable = -lpthread
  25 HOSTCFLAGS_asn1_compiler.o = -I$(srctree)/include
  26 HOSTCFLAGS_sign-file.o = $(shell $(HOSTPKG_CONFIG) --cflags libcrypto 2> /dev/null)
  27 HOSTLDLIBS_sign-file = $(shell $(HOSTPKG_CONFIG) --libs libcrypto 2> /dev/null || echo -lcrypto)
  28
  29 ifdef CONFIG_UNWINDER_ORC
  30 ifeq ($(ARCH),x86_64)
  31 ARCH := x86
  32 endif
  33 HOSTCFLAGS_sorttable.o += -I$(srctree)/tools/arch/x86/include
  34 HOSTCFLAGS_sorttable.o += -DUNWINDER_ORC_ENABLED
  35 endif
  36
  37 ifdef CONFIG_BUILDTIME_MCOUNT_SORT
  38 HOSTCFLAGS_sorttable.o += -DMCOUNT_SORT_ENABLED
  39 endif
  40
  41 # The following programs are only built on demand
  42 hostprogs += unifdef
  43
  44 # The module linker script is preprocessed on demand
  45 targets += module.lds
  46
  47 subdir-$(CONFIG_GCC_PLUGINS) += gcc-plugins
  48 subdir-$(CONFIG_MODVERSIONS) += genksyms
  49 subdir-$(CONFIG_SECURITY_SELINUX) += selinux
  50
  51 # Let clean descend into subdirs
  52 subdir- += basic dtc gdb kconfig mod