On 9/6/18 4:36 AM, Simon Marchi wrote:
> On 2018-08-01 03:58 PM, Simon Marchi wrote:
>> This patch was tested to build binutils-gdb on GNU/Linux and macOS.  It can 
>> be
>> applied to the gcc repo too, after fixing some trivial merge conflicts 
>> (someone
>> else will need to do it, as I don't have push access to gcc).  Although I 
>> think
>> it is relatively low-risk, building gcc on macOS was not tested with this
>> patch, so if somebody that has already a macOS build can do it, it would be
>> appreciated.
>>
>> Two fixes were committed recently to the gettext repo in order to make
>> gdb build warning-free on macOS.  This patch backports them both:
>>
>>   - Make the format_arg attribute effective also in the case 
>> _INTL_REDIRECT_INLINE.
>>     113893dce80358a4ae0d9463ce73c5670c81cf0c
>>     
>> http://git.savannah.gnu.org/cgit/gettext.git/commit/?id=113893dce80358a4ae0d9463ce73c5670c81cf0c
>>
>>   - Enable the format_arg attribute also on clang on Mac OS X.
>>     bd6a52241c7c83c90e043ace2082a2508d273f55
>>     
>> http://git.savannah.gnu.org/cgit/gettext.git/commit/?id=bd6a52241c7c83c90e043ace2082a2508d273f55
>>
>> intl/ChangeLog:
>>
>>      * libgnuintl.h (_INTL_MAY_RETURN_STRING_ARG, gettext, dgettext,
>>      dcgettext, ngettext, dngettext, dcngettext): Backport changes
>>      from upstream gettext.
>> ---
>>  intl/libgnuintl.h | 35 +++++++++++++++++++++++------------
>>  1 file changed, 23 insertions(+), 12 deletions(-)
>>
>> diff --git a/intl/libgnuintl.h b/intl/libgnuintl.h
>> index acc9093..7616d6f 100644
>> --- a/intl/libgnuintl.h
>> +++ b/intl/libgnuintl.h
>> @@ -115,7 +115,7 @@ extern "C" {
>>  /* _INTL_MAY_RETURN_STRING_ARG(n) declares that the given function may 
>> return
>>     its n-th argument literally.  This enables GCC to warn for example about
>>     printf (gettext ("foo %y")).  */
>> -#if __GNUC__ >= 3 && !(__APPLE_CC__ > 1 && defined __cplusplus)
>> +#if defined __GNUC__ && __GNUC__ >= 3 && !(defined __APPLE_CC__ && 
>> __APPLE_CC__ > 1 && !(defined __clang__ && __clang__ && __clang_major__ >= 
>> 3) && defined __cplusplus)
>>  # define _INTL_MAY_RETURN_STRING_ARG(n) __attribute__ ((__format_arg__ (n)))
>>  #else
>>  # define _INTL_MAY_RETURN_STRING_ARG(n)
>> @@ -127,7 +127,9 @@ extern "C" {
>>  #ifdef _INTL_REDIRECT_INLINE
>>  extern char *libintl_gettext (const char *__msgid)
>>         _INTL_MAY_RETURN_STRING_ARG (1);
>> -static inline char *gettext (const char *__msgid)
>> +static inline
>> +_INTL_MAY_RETURN_STRING_ARG (1)
>> +char *gettext (const char *__msgid)
>>  {
>>    return libintl_gettext (__msgid);
>>  }
>> @@ -145,7 +147,9 @@ extern char *gettext _INTL_PARAMS ((const char *__msgid))
>>  #ifdef _INTL_REDIRECT_INLINE
>>  extern char *libintl_dgettext (const char *__domainname, const char 
>> *__msgid)
>>         _INTL_MAY_RETURN_STRING_ARG (2);
>> -static inline char *dgettext (const char *__domainname, const char *__msgid)
>> +static inline
>> +_INTL_MAY_RETURN_STRING_ARG (2)
>> +char *dgettext (const char *__domainname, const char *__msgid)
>>  {
>>    return libintl_dgettext (__domainname, __msgid);
>>  }
>> @@ -165,8 +169,9 @@ extern char *dgettext _INTL_PARAMS ((const char 
>> *__domainname,
>>  extern char *libintl_dcgettext (const char *__domainname, const char 
>> *__msgid,
>>                              int __category)
>>         _INTL_MAY_RETURN_STRING_ARG (2);
>> -static inline char *dcgettext (const char *__domainname, const char 
>> *__msgid,
>> -                           int __category)
>> +static inline
>> +_INTL_MAY_RETURN_STRING_ARG (2)
>> +char *dcgettext (const char *__domainname, const char *__msgid, int 
>> __category)
>>  {
>>    return libintl_dcgettext (__domainname, __msgid, __category);
>>  }
>> @@ -188,8 +193,10 @@ extern char *dcgettext _INTL_PARAMS ((const char 
>> *__domainname,
>>  extern char *libintl_ngettext (const char *__msgid1, const char *__msgid2,
>>                             unsigned long int __n)
>>         _INTL_MAY_RETURN_STRING_ARG (1) _INTL_MAY_RETURN_STRING_ARG (2);
>> -static inline char *ngettext (const char *__msgid1, const char *__msgid2,
>> -                          unsigned long int __n)
>> +static inline
>> +_INTL_MAY_RETURN_STRING_ARG (1) _INTL_MAY_RETURN_STRING_ARG (2)
>> +char *ngettext (const char *__msgid1, const char *__msgid2,
>> +            unsigned long int __n)
>>  {
>>    return libintl_ngettext (__msgid1, __msgid2, __n);
>>  }
>> @@ -210,8 +217,10 @@ extern char *ngettext _INTL_PARAMS ((const char 
>> *__msgid1,
>>  extern char *libintl_dngettext (const char *__domainname, const char 
>> *__msgid1,
>>                              const char *__msgid2, unsigned long int __n)
>>         _INTL_MAY_RETURN_STRING_ARG (2) _INTL_MAY_RETURN_STRING_ARG (3);
>> -static inline char *dngettext (const char *__domainname, const char 
>> *__msgid1,
>> -                           const char *__msgid2, unsigned long int __n)
>> +static inline
>> +_INTL_MAY_RETURN_STRING_ARG (2) _INTL_MAY_RETURN_STRING_ARG (3)
>> +char *dngettext (const char *__domainname, const char *__msgid1,
>> +             const char *__msgid2, unsigned long int __n)
>>  {
>>    return libintl_dngettext (__domainname, __msgid1, __msgid2, __n);
>>  }
>> @@ -234,9 +243,11 @@ extern char *libintl_dcngettext (const char 
>> *__domainname,
>>                               const char *__msgid1, const char *__msgid2,
>>                               unsigned long int __n, int __category)
>>         _INTL_MAY_RETURN_STRING_ARG (2) _INTL_MAY_RETURN_STRING_ARG (3);
>> -static inline char *dcngettext (const char *__domainname,
>> -                            const char *__msgid1, const char *__msgid2,
>> -                            unsigned long int __n, int __category)
>> +static inline
>> +_INTL_MAY_RETURN_STRING_ARG (2) _INTL_MAY_RETURN_STRING_ARG (3)
>> +char *dcngettext (const char *__domainname,
>> +              const char *__msgid1, const char *__msgid2,
>> +              unsigned long int __n, int __category)
>>  {
>>    return libintl_dcngettext (__domainname, __msgid1, __msgid2, __n, 
>> __category);
>>  }
>>
> 
> Could somebody from gcc take a look at and hopefully merge this?
Done.

jeff

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