On Mon, 2012-04-16 at 18:06 -0700, Darren Hart wrote:
> This addresses [YOCTO #2295], in which the meta-toolchain target would fail
> for
> the poky-tiny DISTRO definition due to its reduced libc feature set. This is
> not
> an optimal solution as it significantly increases the size of the C libraries
> (by 461KB). However, by making the features easily removed, those looking for
> truly tiny libc configurations can easily revert to the smaller set. Out of
> the
> box, we want poky-tiny to be able to build meta-toolchain.
>
> In the future, we need to address WHY meta-toolchain cannot be built without
> these features and look at how to reduce the impact of meta-toolchain on the
> target eglibc build.
I had a thought about this:
diff --git a/meta/conf/distro/include/default-distrovars.inc
b/meta/conf/distro/include/default-distrovars.inc
index 16b3108..f770919 100644
--- a/meta/conf/distro/include/default-distrovars.inc
+++ b/meta/conf/distro/include/default-distrovars.inc
@@ -10,12 +10,14 @@ LIMIT_BUILT_LOCALES ?= "POSIX en_US en_GB"
ENABLE_BINARY_LOCALE_GENERATION ?= "1"
LOCALE_UTF8_ONLY ?= "0"
-DISTRO_FEATURES_LIBC ?= "ipv4 ipv6 libc-backtrace libc-big-macros libc-bsd
libc-cxx-tests libc-catgets libc-charsets libc-crypt \
+DISTRO_FEATURES_LIBC_DEFAULT ?= "ipv4 ipv6 libc-backtrace libc-big-macros
libc-bsd libc-cxx-tests libc-catgets libc-charsets libc-crypt \
libc-crypt-ufc libc-db-aliases
libc-envz libc-fcvt libc-fmtmsg libc-fstab libc-ftraverse \
libc-getlogin libc-idn libc-inet-anl
libc-libm libc-libm-big libc-locales libc-locale-code \
libc-memusage libc-nis libc-nsswitch
libc-rcmd libc-rtld-debug libc-spawn libc-streams libc-sunrpc \
libc-utmp libc-utmpx libc-wordexp
libc-posix-clang-wchar libc-posix-regexp libc-posix-regexp-glibc \
libc-posix-wchar-io"
+DISTRO_FEATURES_LIBC ?= "${DISTRO_FEATURES_LIBC_DEFAULT}"
+DISTRO_FEATURES_LIBC_virtclass-nativesdk = "${DISTRO_FEATURES_LIBC_DEFAULT}"
DISTRO_FEATURES ?= "alsa argp bluetooth ext2 irda largefile pcmcia usbgadget
usbhost wifi xattr nfs zeroconf pci 3g x11 ${DISTRO_FEATURES_LIBC}"
IMAGE_FEATURES ?= ""
Probably not something for release at this point but maybe after it...
Cheers,
Richard
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