explicit_bzero, memcmp, raise, strcspn, strpbrk: Make it possible to namespace the defined symbol

[Bruno Haible]

> When compiling parts of gnulib into a shared library, it is useful
> to add a namespace-like prefix to the symbols that come from gnulib,
> in order to avoid conflicts with other shared libraries.
> 
> Gettext's libgettextpo does so, through macro definitions in config.h,
> such as
>   #define fcntl libgettextpo_fcntl
>   #define rpl_open libgettextpo_rpl_open
> etc.
> 
> This works fine with most gnulib modules.

But a couple of modules fail to support this so far. The attached patches
fixes this.


2018-10-05  Bruno Haible  <address@hidden>

        strpbrk: Make it possible to namespace the defined symbol.
        * lib/strpbrk.c (strpbrk): Don't undefine outside of glibc.

2018-10-05  Bruno Haible  <address@hidden>

        strcspn: Make it possible to namespace the defined symbol.
        * lib/strcspn.c (strcspn): Don't undefine outside of glibc.

2018-10-05  Bruno Haible  <address@hidden>

        raise: Make it possible to namespace the defined symbol.
        * lib/raise.c (raise): Undefine only after the replacement function has
        been defined.
        (raise): Renamed from rpl_raise.
        (raise_nothrow): Move to the end of the compilation unit.

2018-10-05  Bruno Haible  <address@hidden>

        memcmp: Make it possible to namespace the defined symbol.
        * lib/memcmp.c (memcmp): Don't undefine outside of glibc.

2018-10-05  Bruno Haible  <address@hidden>

        explicit_bzero: Make it possible to namespace the defined symbol.
        * lib/explicit_bzero.c (explicit_bzero): Don't undefine outside of
        glibc.

0001-explicit_bzero-Make-it-possible-to-namespace-the-def.patch
Description: Text Data

0002-memcmp-Make-it-possible-to-namespace-the-defined-sym.patch
Description: Text Data

0003-raise-Make-it-possible-to-namespace-the-defined-symb.patch
Description: Text Data

0004-strcspn-Make-it-possible-to-namespace-the-defined-sy.patch
Description: Text Data

0005-strpbrk-Make-it-possible-to-namespace-the-defined-sy.patch
Description: Text Data