[oe] [PATCH] eglibc: Make it configurable by tuning eglibc options
Khem Raj
raj.khem at gmail.com
Sat Jan 8 20:41:41 UTC 2011
People already ship eglibc which is fully featured so I wanted that
these distros don't have to make change but it seems that will be a
better option
On 1/8/11, Bernhard Reutner-Fischer <rep.dot.nop at gmail.com> wrote:
> "Khem Raj" <raj.khem at gmail.com> wrote:
>
>>* Look for disabled features in DISTRO_FEATURES and disable them while
>>building eglibc
>>* By default all features are built
>>* One can disable a feature by specifying DISTRO_FEATURES += "noinet6
>>nobsd ...." e.g.
>>
>>Signed-off-by: Khem Raj <raj.khem at gmail.com>
>>---
>>recipes/eglibc/eglibc-options.inc | 50
>>+++++++++++++++++++++++++++++++++++++
>> recipes/eglibc/eglibc.inc | 7 ++++-
>> 2 files changed, 56 insertions(+), 1 deletions(-)
>> create mode 100644 recipes/eglibc/eglibc-options.inc
>>
>>diff --git a/recipes/eglibc/eglibc-options.inc
>>b/recipes/eglibc/eglibc-options.inc
>>new file mode 100644
>>index 0000000..d552bbc
>>--- /dev/null
>>+++ b/recipes/eglibc/eglibc-options.inc
>>@@ -0,0 +1,50 @@
>>+def eglibc_cfg(feature, features, tokens, cnf ):
>>+ if type(tokens) == type(""):
>>+ tokens = [tokens]
>>+ if type(features) == type([]) and feature in features:
>>+ cnf.extend([token + ' = n' for token in tokens])
>>+
>>+# Map distro features to eglibc options settings
>>+def features_to_eglibc_settings(d):
>>+ cnf = ([])
>>+ distro_features = bb.data.getVar('DISTRO_FEATURES', d,
>>True).split()
>>+ eglibc_cfg('noinet6', distro_features,
>>'OPTION_EGLIBC_ADVANCED_INET6', cnf)
>>+ eglibc_cfg('nobacktrace', distro_features,
>>'OPTION_EGLIBC_BACKTRACE', cnf)
>>+ eglibc_cfg('nobig-macros', distro_features,
>>'OPTION_EGLIBC_BIG_MACROS', cnf)
>>+ eglibc_cfg('nobsd', distro_features, 'OPTION_EGLIBC_BSD',
>>cnf)
>>+ eglibc_cfg('nocxx-tests', distro_features,
>>'OPTION_EGLIBC_CXX_TESTS', cnf)
>>+ eglibc_cfg('nocatgets', distro_features,
>>'OPTION_EGLIBC_CATGETS', cnf)
>>+ eglibc_cfg('nocharsets', distro_features,
>>'OPTION_EGLIBC_CHARSETS', cnf)
>>+ eglibc_cfg('nocrypt', distro_features,
>>'OPTION_EGLIBC_CRYPT', cnf)
>>+ eglibc_cfg('nocrypt-ufc', distro_features,
>>'OPTION_EGLIBC_CRYPT_UFC', cnf)
>>+ eglibc_cfg('nodb-aliases', distro_features,
>>'OPTION_EGLIBC_DB_ALIASES', cnf)
>>+ eglibc_cfg('noenvz', distro_features,
>>'OPTION_EGLIBC_ENVZ', cnf)
>>+ eglibc_cfg('nofcvt', distro_features,
>>'OPTION_EGLIBC_FCVT', cnf)
>>+ eglibc_cfg('nofmtmsg', distro_features,
>>'OPTION_EGLIBC_FMTMSG', cnf)
>>+ eglibc_cfg('nofstab', distro_features,
>>'OPTION_EGLIBC_FSTAB', cnf)
>>+ eglibc_cfg('noftraverse', distro_features,
>>'OPTION_EGLIBC_FTRAVERSE', cnf)
>>+ eglibc_cfg('nogetlogin', distro_features,
>>'OPTION_EGLIBC_GETLOGIN', cnf)
>>+ eglibc_cfg('noidn', distro_features, 'OPTION_EGLIBC_IDN',
>>cnf)
>>+ eglibc_cfg('noinet', distro_features,
>>'OPTION_EGLIBC_INET', cnf)
>>+ eglibc_cfg('noinet-anl', distro_features,
>>'OPTION_EGLIBC_INET_ANL', cnf)
>>+ eglibc_cfg('nolibm', distro_features,
>>'OPTION_EGLIBC_LIBM', cnf)
>>+ eglibc_cfg('nolibm-big', distro_features,
>>'OPTION_EGLIBC_LIBM_BIG', cnf)
>>+ eglibc_cfg('nolocales', distro_features,
>>'OPTION_EGLIBC_LOCALES', cnf)
>>+ eglibc_cfg('nolocale-code', distro_features,
>>'OPTION_EGLIBC_LOCALE_CODE', cnf)
>>+ eglibc_cfg('nomemusage', distro_features,
>>'OPTION_EGLIBC_MEMUSAGE', cnf)
>>+ eglibc_cfg('nonis', distro_features, 'OPTION_EGLIBC_NIS',
>>cnf)
>>+ eglibc_cfg('nonsswitch', distro_features,
>>'OPTION_EGLIBC_NSSWITCH', cnf)
>>+ eglibc_cfg('norcmd', distro_features,
>>'OPTION_EGLIBC_RCMD', cnf)
>>+ eglibc_cfg('nortld-debug', distro_features,
>>'OPTION_EGLIBC_RTLD_DEBUG', cnf)
>>+ eglibc_cfg('nospawn', distro_features,
>>'OPTION_EGLIBC_SPAWN', cnf)
>>+ eglibc_cfg('nostreams', distro_features,
>>'OPTION_EGLIBC_STREAMS', cnf)
>>+ eglibc_cfg('nosunrpc', distro_features,
>>'OPTION_EGLIBC_SUNRPC', cnf)
>>+ eglibc_cfg('noutmp', distro_features,
>>'OPTION_EGLIBC_UTMP', cnf)
>>+ eglibc_cfg('noutmpx', distro_features,
>>'OPTION_EGLIBC_UTMPX', cnf)
>>+ eglibc_cfg('nowordexp', distro_features,
>>'OPTION_EGLIBC_WORDEXP', cnf)
>>+ eglibc_cfg('noposix-clang-wchar', distro_features,
>>'OPTION_POSIX_C_LANG_WIDE_CHAR', cnf)
>>+ eglibc_cfg('noposix-regexp', distro_features,
>>'OPTION_POSIX_REGEXP', cnf)
>>+ eglibc_cfg('noposix-regexp-glibc', distro_features,
>>'OPTION_POSIX_REGEXP_GLIBC', cnf)
>>+ eglibc_cfg('noposix-wchar-io', distro_features,
>>'OPTION_POSIX_WIDE_CHAR_DEVICE_IO', cnf)
>>+ return "\n".join(cnf)
>>+
>>diff --git a/recipes/eglibc/eglibc.inc b/recipes/eglibc/eglibc.inc
>>index 0644d49..c9765dd 100644
>>--- a/recipes/eglibc/eglibc.inc
>>+++ b/recipes/eglibc/eglibc.inc
>>@@ -3,7 +3,7 @@ HOMEPAGE = "http://www.eglibc.org/home"
>> SECTION = "libs"
>> PRIORITY = "required"
>> LICENSE = "LGPL"
>>-INC_PR = "r19"
>>+INC_PR = "r20"
>># nptl needs unwind support in gcc, which can't be built without glibc.
>>DEPENDS = "virtual/${TARGET_PREFIX}gcc-intermediate linux-libc-headers"
>> #this leads to circular deps, so lets not add it yet
>>@@ -17,6 +17,7 @@ RPROVIDES_${PN}-dev = "libc6-dev virtual-libc-dev"
>> PROVIDES_${PN}-dbg = "glibc-dbg"
>>
>> inherit autotools
>>+require eglibc-options.inc
>>
>> LEAD_SONAME = "libc.so"
>>
>>@@ -41,3 +42,7 @@ do_move_ports() {
>> mv ${WORKDIR}/${EGLIBC_BRANCH}/ports ${S}/
>> fi
>> }
>>+OE_FEATURES := "${@features_to_eglibc_settings(d)}"
>>+do_configure_prepend() {
>>+ echo '${OE_FEATURES}' > ${S}/option-groups.config
>>+}
>>--
>>1.7.2.3
>>
>>
>>_______________________________________________
>>Openembedded-devel mailing list
>>Openembedded-devel at lists.openembedded.org
>>http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-devel
>
> Hi,
>
> The logic should IMO be: Disable every feature unless explicitly specified
> otherwise.
> Take "ipv4" or "ipv6" (note: not inet6) as example: if noone asks for ipv6
> then it is disabled.
> This is the logic we are already using for uClibc.
>
> _______________________________________________
> Openembedded-devel mailing list
> Openembedded-devel at lists.openembedded.org
> http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-devel
>
--
Sent from my mobile device
-Khem
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