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_BUILD_BIN2C)  += bin2c
  17 hostprogs-$(CONFIG_KALLSYMS)     += kallsyms
  18 hostprogs-$(CONFIG_LOGO)         += pnmtologo
  19 hostprogs-$(CONFIG_VT)           += conmakehash
  20 hostprogs-$(BUILD_C_RECORDMCOUNT) += recordmcount
  21 hostprogs-$(CONFIG_BUILDTIME_EXTABLE_SORT) += sortextable
  22 hostprogs-$(CONFIG_ASN1)         += asn1_compiler
  23 hostprogs-$(CONFIG_MODULE_SIG)   += sign-file
  24 hostprogs-$(CONFIG_SYSTEM_TRUSTED_KEYRING) += extract-cert
  25 hostprogs-$(CONFIG_SYSTEM_EXTRA_CERTIFICATE) += insert-sys-cert
  26
  27 HOSTCFLAGS_sortextable.o = -I$(srctree)/tools/include
  28 HOSTCFLAGS_asn1_compiler.o = -I$(srctree)/include
  29 HOSTCFLAGS_sign-file.o = $(CRYPTO_CFLAGS)
  30 HOSTLDLIBS_sign-file = $(CRYPTO_LIBS)
  31 HOSTCFLAGS_extract-cert.o = $(CRYPTO_CFLAGS)
  32 HOSTLDLIBS_extract-cert = $(CRYPTO_LIBS)
  33
  34 always          := $(hostprogs-y) $(hostprogs-m)
  35
  36 # The following hostprogs-y programs are only build on demand
  37 hostprogs-y += unifdef
  38
  39 # These targets are used internally to avoid "is up to date" messages
  40 PHONY += build_unifdef
  41 build_unifdef: $(obj)/unifdef
  42         @:
  43
  44 subdir-$(CONFIG_MODVERSIONS) += genksyms
  45 subdir-y                     += mod
  46 subdir-$(CONFIG_SECURITY_SELINUX) += selinux
  47 subdir-$(CONFIG_DTC)         += dtc
  48 subdir-$(CONFIG_GDB_SCRIPTS) += gdb
  49
  50 # Let clean descend into subdirs
  51 subdir- += basic kconfig package gcc-plugins