[Bug preprocessor/60022] macro _(Text) generates warning: implicit declaration of function '_' [-Wimplicit-function-declaration]

["richard at netbsd dot org" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60022

--- Comment #4 from Richard PALO <richard at netbsd dot org> ---
(In reply to Jakub Jelinek from comment #2)
> You can preprocess with -E -dD and look at what exactly was defined where
> and how the preprocessed line containing call to rpmlog looks like.

Here are the relevant parts:
======================================================================
# 1 "/usr/include/libintl.h" 1 3 4
# 28 "/usr/include/libintl.h" 3 4
#define _LIBINTL_H 

#pragma ident "%Z%%M%   %I% %E% SMI"
# 53 "/usr/include/libintl.h" 3 4
#define _WCHAR_T 

typedef int wchar_t;






#define TEXTDOMAINMAX 256

#define __GNU_GETTEXT_SUPPORTED_REVISION(m) ((((m) == 0) || ((m) == 1)) ? 1 :
-1)



extern char *dcgettext(const char *, const char *, const int);
extern char *dgettext(const char *, const char *);
extern char *gettext(const char *);
extern char *textdomain(const char *);
extern char *bindtextdomain(const char *, const char *);

========================================================

and

=========================================================

# 37 "/usr/include/locale.h" 2 3 4
# 53 "/usr/include/locale.h" 3 4
#define _LastCategory LC_MESSAGES

#define _ValidCategory(c) (((int)(c) >= LC_CTYPE) && ((int)(c) <=
_LastCategory) || ((int)c == LC_ALL))
# 132 "../system.h" 2

#define _(Text) dgettext (PACKAGE, Text)




#define N_(Text) Text

=========================================================

an extract from rpmfileio.c using the macro:

    if (tfd == NULL || Ferror(tfd)) {
    rpmlog(RPMLOG_ERR, _("error creating temporary file %s: %m\n"), tempfn);
    goto exit;