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 CRYPTO_LIBS = $(shell pkg-config --libs libcrypto 2> /dev/null || echo -lcrypto)
   7 CRYPTO_CFLAGS = $(shell pkg-config --cflags libcrypto 2> /dev/null)
   8
   9 hostprogs-always-$(CONFIG_BUILD_BIN2C)                  += bin2c
  10 hostprogs-always-$(CONFIG_KALLSYMS)                     += kallsyms
  11 hostprogs-always-$(BUILD_C_RECORDMCOUNT)                += recordmcount
  12 hostprogs-always-$(CONFIG_BUILDTIME_TABLE_SORT)         += sorttable
  13 hostprogs-always-$(CONFIG_ASN1)                         += asn1_compiler
  14 hostprogs-always-$(CONFIG_MODULE_SIG_FORMAT)            += sign-file
  15 hostprogs-always-$(CONFIG_SYSTEM_TRUSTED_KEYRING)       += extract-cert
  16 hostprogs-always-$(CONFIG_SYSTEM_EXTRA_CERTIFICATE)     += insert-sys-cert
  17
  18 HOSTCFLAGS_sorttable.o = -I$(srctree)/tools/include
  19 HOSTCFLAGS_asn1_compiler.o = -I$(srctree)/include
  20 HOSTCFLAGS_sign-file.o = $(CRYPTO_CFLAGS)
  21 HOSTLDLIBS_sign-file = $(CRYPTO_LIBS)
  22 HOSTCFLAGS_extract-cert.o = $(CRYPTO_CFLAGS)
  23 HOSTLDLIBS_extract-cert = $(CRYPTO_LIBS)
  24
  25 ifdef CONFIG_UNWINDER_ORC
  26 ifeq ($(ARCH),x86_64)
  27 ARCH := x86
  28 endif
  29 HOSTCFLAGS_sorttable.o += -I$(srctree)/tools/arch/x86/include
  30 HOSTCFLAGS_sorttable.o += -DUNWINDER_ORC_ENABLED
  31 HOSTLDLIBS_sorttable = -lpthread
  32 endif
  33
  34 # The following programs are only built on demand
  35 hostprogs += unifdef
  36
  37 # The module linker script is preprocessed on demand
  38 targets += module.lds
  39
  40 subdir-$(CONFIG_GCC_PLUGINS) += gcc-plugins
  41 subdir-$(CONFIG_MODVERSIONS) += genksyms
  42 subdir-$(CONFIG_SECURITY_SELINUX) += selinux
  43
  44 # Let clean descend into subdirs
  45 subdir- += basic dtc gdb kconfig mod