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Re: lib/regex_internal.h uses #if _LIBC instead of #if defined (_LIBC)
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From: |
Simon Josefsson |
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Subject: |
Re: lib/regex_internal.h uses #if _LIBC instead of #if defined (_LIBC) |
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Date: |
Tue, 29 Dec 2009 23:42:35 +0100 |
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User-agent: |
Gnus/5.110011 (No Gnus v0.11) Emacs/23.1 (gnu/linux) |
"Vladimir 'φ-coder/phcoder' Serbinenko" <address@hidden> writes:
> === modified file 'gnulib/regex_internal.h'
> --- gnulib/regex_internal.h 2009-12-27 15:37:18 +0000
> +++ gnulib/regex_internal.h 2009-12-29 22:32:31 +0000
> @@ -58,7 +58,7 @@
> # define SIZE_MAX ((size_t) -1)
> #endif
>
> -#if (defined MB_CUR_MAX && HAVE_LOCALE_H && HAVE_WCTYPE_H &&
> HAVE_ISWCTYPE && HAVE_WCSCOLL) || _LIBC
> +#if (defined MB_CUR_MAX && HAVE_LOCALE_H && HAVE_WCTYPE_H &&
> HAVE_ISWCTYPE && HAVE_WCSCOLL) || defined (_LIBC)
> # define RE_ENABLE_I18N
> #endif
What is the real problem? As far as I recall, undefined CPP symbols
evaluate to 0. So it is not an error to use _LIBC without first
checking if it is defined.
/Simon