locales woes
Carmelo Amoroso
carmelo73 at gmail.com
Sun Apr 20 21:39:40 UTC 2014
Il 20 aprile 2014 18:34:26 "Yann E. MORIN" <yann.morin.1998 at free.fr> ha
scritto:
> Hello!
Hello,
>
> While building postgresql with uClibc, we have locales-related build
> failures. Here is a small test-case (by Peter) that breaks on uClibc,
> but works on glibc:
>
> ---8<--- test.c ---8<---
> #include <locale.h>
> #include <ctype.h>
>
> int f(int c, locale_t l)
> {
> return isdigit_l(c, l);
> }
> ---8<---
>
> $ gcc -Wall -D_GNU_SOURCE -c test.c
> [OK]
>
> $ i686-buildroot-linux-uclibc-gcc -Wall -D_GNU_SOURCE -c test.c
> test.c: In function ‘f’:
> test.c:5:9: error: dereferencing pointer to incomplete type
> test.c:6:1: warning: control reaches end of non-void function [-Wreturn-type]
>
> What happens is that:
> sysroot/usr/include/locale.h:
> typedef __locale_t locale_t;
>
> sysroot/usr/include/bits/uClibc_locale.h:
> typedef struct __uclibc_locale_struct *__locale_t;
>
> But struct __uclibc_locale_struct is never defined:
>
What about removing the typedef above ?
> $ grep -r '__uclibc_locale_struct' sysroot/
> sysroot/usr/include/bits/uClibc_locale.h:struct __uclibc_locale_struct;
> sysroot/usr/include/bits/uClibc_locale.h:typedef struct
> __uclibc_locale_struct *__locale_t;
>
> So, no actual definition of struct __uclibc_locale_struct, so incomplete
> type is being derefenced. :-(
>
Indeed !
>
> Here are the locales-related options from .config:
>
> $ grep LOCALE .config
> UCLIBC_HAS_LOCALE=y
> # UCLIBC_BUILD_ALL_LOCALE is not set
> UCLIBC_BUILD_MINIMAL_LOCALE=y
> # UCLIBC_PREGENERATED_LOCALE_DATA is not set
> UCLIBC_BUILD_MINIMAL_LOCALES="en_US"
> UCLIBC_HAS_XLOCALE=y
>
> Any idea?
>
> Regards,
> Yann E. MORIN.
>
Cheers,
Carmelo
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