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# Originally brought to you by the Angstrom Distribution
# uclibc:
PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}binutils = "binutils-cross"
PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}libc-for-gcc = "uclibc"
PREFERRED_PROVIDER_linux-libc-headers = "linux-libc-headers"
PREFERRED_PROVIDER_virtual/libc = "uclibc"
PREFERRED_PROVIDER_linux-libc-headers = "linux-libc-headers"
PREFERRED_PROVIDER_virtual/libintl = "proxy-libintl"
PREFERRED_PROVIDER_virtual/libiconv = "libiconv"
USE_NLS ?= "no"
USE_NLS_glib-2.0-native = "yes"
USE_NLS_gcc-cross = "no"
PREFERRED_VERSION_uclibc ?= "${PREFERRED_UCLIBC_VERSION}"
PREFERRED_VERSION_uclibc-initial ?= "${PREFERRED_UCLIBC_VERSION}"
PREFERRED_VERSION_uclibc-cross ?= "${PREFERRED_UCLIBC_VERSION}"
PREFERRED_VERSION_uclibc-cross-sdk ?= "${PREFERRED_UCLIBC_VERSION}"
PREFERRED_VERSION_uclibc-cross-initial ?= "${PREFERRED_UCLIBC_VERSION}"
PREFERRED_VERSION_uclibc-cross-intermediate ?= "${PREFERRED_UCLIBC_VERSION}"
#mess with compiler flags to use -Os instead of -O2
#Please see http://free-electrons.com/doc/embedded_linux_optimizations/img47.html for some more info
FULL_OPTIMIZATION = "-fexpensive-optimizations -fomit-frame-pointer -frename-registers -Os -pipe ${DEBUG_FLAGS}"
BUILD_OPTIMIZATION += "-pipe"
# -Os compiled root file system does not boot for powerpc, root cause it still at large
# we use -O2 meanwhile
FULL_OPTIMIZATION_powerpc = "-O2 -pipe ${DEBUG_FLAGS}"
#Gcc will die with 'internal consistency error when using the above optimizations
#with gcc-4.2.1-atmel.1.0.3 (and probably most other avr32 gcc ports).
#However, some packages require optimizations to compile (e.g. libmad).
#It appears the guilty optimization is "-frename-registers", leaving that one
#out allows the build to proceed normally. -fexpensive-optimizations may be OK,
#it was removed while debugging an issue that ultimately turned out to be due
#to the ICE fixed by gcc-pr32889.patch. It needs to be tested again.
#Note that this testing was done without the gcc-pr32889.patch.
FULL_OPTIMIZATION_avr32 = "-Os -fomit-frame-pointer ${DEBUG_FLAGS}"
TARGET_LINK_HASH_STYLE = "${@['-Wl,--hash-style=gnu',''][bb.data.getVar('TARGET_ARCH',d,1) in ['mips', 'mipsel', 'mips64', 'mips64el', 'avr32']]}"
CXXFLAGS += "-fvisibility-inlines-hidden"
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