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 # kallsyms:      Find all symbols in vmlinux
   7 # pnmttologo:    Convert pnm files to logo files
   8 # conmakehash:   Create chartable
   9 # conmakehash:   Create arrays for initializing the kernel console tables
  10
  11 HOST_EXTRACFLAGS += -I$(srctree)/tools/include
  12
  13 CRYPTO_LIBS = $(shell pkg-config --libs libcrypto 2> /dev/null || echo -lcrypto)
  14 CRYPTO_CFLAGS = $(shell pkg-config --cflags libcrypto 2> /dev/null)
  15
  16 hostprogs-$(CONFIG_KALLSYMS)     += kallsyms
  17 hostprogs-$(CONFIG_LOGO)         += pnmtologo
  18 hostprogs-$(CONFIG_VT)           += conmakehash
  19 hostprogs-$(BUILD_C_RECORDMCOUNT) += recordmcount
  20 hostprogs-$(CONFIG_BUILDTIME_EXTABLE_SORT) += sortextable
  21 hostprogs-$(CONFIG_ASN1)         += asn1_compiler
  22 hostprogs-$(CONFIG_MODULE_SIG)   += sign-file
  23 hostprogs-$(CONFIG_SYSTEM_TRUSTED_KEYRING) += extract-cert
  24 hostprogs-$(CONFIG_SYSTEM_EXTRA_CERTIFICATE) += insert-sys-cert
  25
  26 HOSTCFLAGS_sortextable.o = -I$(srctree)/tools/include
  27 HOSTCFLAGS_asn1_compiler.o = -I$(srctree)/include
  28 HOSTCFLAGS_sign-file.o = $(CRYPTO_CFLAGS)
  29 HOSTLOADLIBES_sign-file = $(CRYPTO_LIBS)
  30 HOSTCFLAGS_extract-cert.o = $(CRYPTO_CFLAGS)
  31 HOSTLOADLIBES_extract-cert = $(CRYPTO_LIBS)
  32
  33 always          := $(hostprogs-y) $(hostprogs-m)
  34
  35 # The following hostprogs-y programs are only build on demand
  36 hostprogs-y += unifdef
  37
  38 # These targets are used internally to avoid "is up to date" messages
  39 PHONY += build_unifdef
  40 build_unifdef: $(obj)/unifdef
  41         @:
  42
  43 subdir-$(CONFIG_MODVERSIONS) += genksyms
  44 subdir-y                     += mod
  45 subdir-$(CONFIG_SECURITY_SELINUX) += selinux
  46 subdir-$(CONFIG_DTC)         += dtc
  47 subdir-$(CONFIG_GDB_SCRIPTS) += gdb
  48
  49 # Let clean descend into subdirs
  50 subdir- += basic kconfig package gcc-plugins