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Improve gettext integration

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Having a BR2_NEEDS_GETTEXT option, as introduced by
54d64798e1 isn't sufficient to express
the different kind of dependencies on gettext.

This commit, based on an idea by Peter Korsgaard, introduces two
different options :

 * BR2_NEEDS_GETTEXT, which is true as soon as the toolchain doesn't
   provide gettext itself (i.e, when the toolchain is uClibc based, be
   it an internal or external toolchain)

 * BR2_NEEDS_GETTEXT_IF_LOCALE, which is true when the toolchain
   doesn't provide gettext *and* locale support has been enabled in
   Buildroot.

A following commit adds some documentation that details how these
configuration variables should be used by packages.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Thomas Petazzoni 2010-05-24 21:17:50 +02:00
parent 096b21e552
commit 4caf78882c
1 changed files with 12 additions and 5 deletions
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17
toolchain/Config.in.2
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@ -56,13 +56,20 @@ config BR2_ENABLE_LOCALE_WHITELIST
will be available on the target - That purely depends on the
support for that locale in the selected packages.
# uClibc toolchains require a separatly-compiled gettext/libintl when
# locale support is enabled. This isn't necessary with glibc
# toolchains as glibc includes gettext/libintl.
# glibc and eglibc directly include gettext, so a separatly compiled
# gettext isn't needed and shouldn't be built to avoid conflicts. Some
# packages always need gettext, other packages only need gettext when
# locale support is enabled. See the documentation for how packages
# should rely on the following two options.
config BR2_NEEDS_GETTEXT
bool
default y if (BR2_TOOLCHAIN_BUILDROOT && BR2_ENABLE_LOCALE)
default y if (BR2_TOOLCHAIN_EXTERNAL_UCLIBC && BR2_ENABLE_LOCALE)
default y if BR2_TOOLCHAIN_BUILDROOT
default y if BR2_TOOLCHAIN_EXTERNAL_UCLIBC
config BR2_NEEDS_GETTEXT_IF_LOCALE
bool
default y if (BR2_NEEDS_GETTEXT && BR2_ENABLE_LOCALE)
config BR2_USE_WCHAR
bool "Enable WCHAR support"