code.vuplus.com Git - vuplus_openembedded/blob - conf/distro/include/sane-toolchain-uclibc.inc

   1 # Originally brought to you by the Angstrom Distribution
   2
   3 # uclibc:
   4
   5 PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}binutils = "binutils-cross"
   6 PREFERRED_PROVIDER_linux-libc-headers = "linux-libc-headers"
   7
   8 USE_NLS ?= "no"
   9 USE_NLS_glib-2.0 = "yes"
  10 USE_NLS_glib-2.0-native = "yes"
  11 USE_NLS_gcc-cross = "no"
  12
  13 TARGET_OS_UC = "linux${@['-uclibc','-uclibcgnueabi'][bb.data.getVar('TARGET_ARCH',d,1) in ['arm', 'armeb'] and bb.data.getVar('MACHINE',d) not in ['collie','h3600', 'h3800', 'simpad', 'htcwallaby']]}"
  14 TARGET_OS = "${@['${TARGET_OS_UC}', 'uclinux-uclibc'][bb.data.getVar('TARGET_ARCH',d)  in ['bfin']]}"
  15
  16 #mess with compiler flags to use -Os instead of -O2
  17 #Please see http://free-electrons.com/doc/embedded_linux_optimizations/img47.html for some more info
  18 FULL_OPTIMIZATION = "-fexpensive-optimizations -fomit-frame-pointer -frename-registers -Os"
  19 BUILD_OPTIMIZATION = "-Os"
  20
  21 #Gcc will die with 'internal consistency error when using the above optimizations
  22 #with gcc-4.2.1-atmel.1.0.3 (and probably most other avr32 gcc ports).
  23 #However, some packages require optimizations to compile (e.g. libmad).
  24 #It appears the guilty optimization is "-frename-registers", leaving that one
  25 #out allows the build to proceed normally.  -fexpensive-optimizations may be OK,
  26 #it was removed while debugging an issue that ultimately turned out to be due
  27 #to the ICE fixed by gcc-pr32889.patch.  It needs to be tested again.
  28 #Note that this testing was done without the gcc-pr32889.patch.
  29 FULL_OPTIMIZATION_avr32 = "-Os -fomit-frame-pointer"
  30
  31 TARGET_LINK_HASH_STYLE = "${@['-Wl,--hash-style=gnu',''][bb.data.getVar('TARGET_ARCH',d,1) in ['mips', 'mipsel', 'avr32']]}"
  32
  33 CXXFLAGS += "-fvisibility-inlines-hidden"
  34