toolchain/toolchain-wrapper.mk

   1 # This file contains the definition of the toolchain wrapper build commands
   2
   3 # We use --hash-style=both to increase the compatibility of the generated
   4 # binary with older platforms, except for MIPS, where the only acceptable
   5 # hash style is 'sysv'
   6 ifeq ($(findstring mips,$(HOSTARCH)),mips)
   7 TOOLCHAIN_WRAPPER_HASH_STYLE = sysv
   8 else
   9 TOOLCHAIN_WRAPPER_HASH_STYLE = both
  10 endif
  11
  12 TOOLCHAIN_WRAPPER_ARGS = $($(PKG)_TOOLCHAIN_WRAPPER_ARGS)
  13 TOOLCHAIN_WRAPPER_ARGS += -DBR_SYSROOT='"$(STAGING_SUBDIR)"'
  14
  15 # We create a list like '"-mfoo", "-mbar", "-mbarfoo"' so that each flag is a
  16 # separate argument when used in execv() by the toolchain wrapper.
  17 TOOLCHAIN_WRAPPER_OPTS = \
  18         $(foreach f,$(call qstrip,$(BR2_TARGET_OPTIMIZATION)),"$(f)"$(comma))
  19 TOOLCHAIN_WRAPPER_ARGS += -DBR_ADDITIONAL_CFLAGS='$(TOOLCHAIN_WRAPPER_OPTS)'
  20
  21 ifeq ($(BR2_CCACHE),y)
  22 TOOLCHAIN_WRAPPER_ARGS += -DBR_CCACHE
  23 endif
  24
  25 ifeq ($(BR2_x86_x1000),y)
  26 TOOLCHAIN_WRAPPER_ARGS += -DBR_OMIT_LOCK_PREFIX
  27 endif
  28
  29 # Avoid FPU bug on XBurst CPUs
  30 ifeq ($(BR2_mips_xburst),y)
  31 TOOLCHAIN_WRAPPER_ARGS += -DBR_NO_FUSED_MADD
  32 endif
  33
  34 ifeq ($(BR2_CCACHE_USE_BASEDIR),y)
  35 TOOLCHAIN_WRAPPER_ARGS += -DBR_CCACHE_BASEDIR='"$(BASE_DIR)"'
  36 endif
  37
  38 define TOOLCHAIN_WRAPPER_BUILD
  39         $(HOSTCC) $(HOST_CFLAGS) $(TOOLCHAIN_WRAPPER_ARGS) \
  40                 -s -Wl,--hash-style=$(TOOLCHAIN_WRAPPER_HASH_STYLE) \
  41                 toolchain/toolchain-wrapper.c \
  42                 -o $(@D)/toolchain-wrapper
  43 endef
  44
  45 define TOOLCHAIN_WRAPPER_INSTALL
  46         $(INSTALL) -D -m 0755 $(@D)/toolchain-wrapper \
  47                 $(HOST_DIR)/bin/toolchain-wrapper
  48 endef