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Add a BR2_NEEDS_GETTEXT option

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When using an external toolchain that uses the glibc or eglibc C
libraries, compiling a separate gettext and libintl is not needed and
is even a source of confusion, causing build failures. These build
failures are due to the fact that when libintl is compiled, it
replaces the C library libintl.h by its own, which does #define
gettext libintl_gettext. Then, when packages want to use gettext,
autoconf realize that gettext is available in the C library and
therefore do not add -lintl to the LDFLAGS, causing the build failure
because the program has been compiled to use libintl_gettext but this
function is not available.

Therefore, we should only use gettext if a uClibc internal toolchain
or a uClibc external toolchain. If an external glibc toolchain is
used, gettext shouldn't be used.

In order to implement that, we introduce the BR2_NEEDS_GETTEXT option,
which is hidden to the user, and whose value is computed automatically
from the rest of the configuration.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Thomas Petazzoni 2010-05-13 22:21:08 +02:00
parent f3122259e2
commit 54d64798e1
1 changed files with 8 additions and 0 deletions
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8
toolchain/Config.in.2
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@ -56,6 +56,14 @@ 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.
config BR2_NEEDS_GETTEXT
bool
default y if (BR2_TOOLCHAIN_BUILDROOT && BR2_ENABLE_LOCALE)
default y if (BR2_TOOLCHAIN_EXTERNAL_UCLIBC && BR2_ENABLE_LOCALE)
config BR2_USE_WCHAR
bool "Enable WCHAR support"
help