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