# uclibc: require conf/distro/include/uclibc.inc PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}binutils = "binutils-cross" PREFERRED_PROVIDER_linux-libc-headers = "linux-libc-headers" USE_NLS ?= "no" USE_NLS_glib-2.0 = "yes" USE_NLS_glib-2.0-native = "yes" USE_NLS_gcc-cross = "no" TARGET_OS_UC = "linux${@['-uclibc','-uclibceabi'][bb.data.getVar('TARGET_ARCH',d,1) in ['arm', 'armeb'] and bb.data.getVar('MACHINE',d) not in ['collie','h3600', 'h3800', 'simpad', 'htcwallaby']]}" TARGET_OS = "${@['${TARGET_OS_UC}', 'uclinux-uclibc'][bb.data.getVar('TARGET_ARCH',d) in ['bfin']]}" #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 -O2 -ggdb3" BUILD_OPTIMIZATION = "-O2 -ggdb3" #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" TARGET_LINK_HASH_STYLE = "${@['-Wl,--hash-style=gnu',''][bb.data.getVar('TARGET_ARCH',d,1) in ['mips', 'mipsel', 'avr32']]}" CXXFLAGS += "-fvisibility-inlines-hidden"