diff options
| -rw-r--r-- | conf/distro/include/sane-toolchain-uclibc.inc | 47 | ||||
| -rw-r--r-- | conf/distro/include/uclibc-internal.inc | 1 | ||||
| -rw-r--r-- | conf/distro/include/uclibc.inc | 19 |
3 files changed, 67 insertions, 0 deletions
diff --git a/conf/distro/include/sane-toolchain-uclibc.inc b/conf/distro/include/sane-toolchain-uclibc.inc new file mode 100644 index 0000000..b51cdaf --- /dev/null +++ b/conf/distro/include/sane-toolchain-uclibc.inc @@ -0,0 +1,47 @@ +# 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" + + diff --git a/conf/distro/include/uclibc-internal.inc b/conf/distro/include/uclibc-internal.inc new file mode 100644 index 0000000..80e07d9 --- /dev/null +++ b/conf/distro/include/uclibc-internal.inc @@ -0,0 +1 @@ +require conf/distro/include/${LIBC}.inc diff --git a/conf/distro/include/uclibc.inc b/conf/distro/include/uclibc.inc new file mode 100644 index 0000000..200fac2 --- /dev/null +++ b/conf/distro/include/uclibc.inc @@ -0,0 +1,19 @@ +# Add uclibc overrides to the overrides. +OVERRIDES =. "libc-uclibc:" + +# The things uclibc can provide. We default to wanting uclibc to provide them. +PREFERRED_PROVIDER_virtual/libiconv ?= "libiconv" +PREFERRED_PROVIDER_virtual/libintl ?= "proxy-libintl" +#fix some iconv issues, needs to be adjusted when doing uclibc builds +PREFERRED_PROVIDER_virtual/libintl_avr32 = "proxy-libintl" +PREFERRED_PROVIDER_virtual/libc = "uclibc" +PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}libc-initial = "uclibc-initial" +PREFERRED_PROVIDER_virtual/${TARGET_PREFIX}libc-for-gcc = "uclibc" + +# libc settings +DISTRO_FEATURES += "${@['', ' nls'][bb.data.getVar('ENABLE_BINARY_LOCALE_GENERATION', d, 1) == '1']}" +MACHINE_FEATURES += "${@['', ' bx'][bb.data.getVar('ARM_INSTRUCTION_SET', d, 1) == 'thumb']}" +# FIXME: We enable IPv4 per default to avoid alot of breakage. +# FIXME: Figure out an acceptable way to negotiate either +# FIXME: desired features or hard requirements, either top-down or bottom-up. +DISTRO_FEATURES += " ipv4" |