/usr/include/ssp/wchar.h:78:1: error: unknown type name ‘FILE’ (during cygport package build)

/usr/include/ssp/wchar.h:78:1: error: unknown type name ‘FILE’ (during cygport package build)

[waterlan]

Hi, 

I'm trying to create a new wcd package, but I get compile errors during
the cygport build of the wcd package. 

gcc -ggdb -O2 -pipe -Wall -Werror=format-security
-Wp,-D_FORTIFY_SOURCE=2 -fstack-protector-strong
--param=ssp-buffer-size=4
-fdebug-prefix-map=/cygdrive/c/Users/waterlan/src/cygwin/wcd/wcd-6.0.2-1.x86_64/build=/usr/src/debug/wcd-6.0.2-1
-fdebug-prefix-map=/cygdrive/c/Users/waterlan/src/cygwin/wcd/wcd-6.0.2-1.x86_64/src/wcd-6.0.2=/usr/src/debug/wcd-6.0.2-1
-O2 -Wall -Wextra -Wno-unused-parameter -Wconversion    -Ic3po
-DVERSION=\"6.0.2\" -DVERSION_DATE=\"2018-05-10\"  -std=gnu99 
-DWCD_UNICODE -DWCD_UNINORM -DENABLE_NLS
-DLOCALEDIR=\"/usr/share/locale\" -DPACKAGE=\"wcd\" 
-I/usr/include/ncursesw -I/usr/include -DDEBUG=0 -D_LARGEFILE_SOURCE
-D_FILE_OFFSET_BITS=64 -DUNIX -DWCD_USECURSES  -D_XOPEN_SOURCE
-D_XOPEN_SOURCE_EXTENDED  -c wcwidth.c -o wcwidth.o 

In file included from /usr/include/ssp/wchar.h:5:0,
                 from /usr/include/wchar.h:336,
                 from wcwidth.c:62:
/usr/include/ssp/wchar.h:78:1: error: unknown type name 'FILE'
 __ssp_decl(wchar_t *, fgetws, (wchar_t *__restrict __buf, int __wlen,
FILE *__restrict __fp))
 ^ 

The C flag that triggers this option is -Wp,-D_FORTIFY_SOURCE=2. 

When I remove this flag the compilation goes OK. 

regards,

-- 
Erwin Waterlander
http://waterlan.home.xs4all.nl/

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Re: /usr/include/ssp/wchar.h:78:1: error: unknown type name ‘FILE’ (during cygport package build)

[Hans-Bernhard Bröker]

Am 13.05.2018 um 18:01 schrieb waterlan:

> The C flag that triggers this option is -Wp,-D_FORTIFY_SOURCE=2.

That does look rather weird.  Why would one write that instead of just 
-D_FORTIFY_SOURCE=2 ?

Anyway, the test can be simplified quite a lot to:

hbbro@NB4 ~/tmp
$ cat twchar.c
#include <wchar.h>



$ gcc -D_FORTIFY_SOURCE=1 -fstack-protector-strong -c twchar.c -O2 
-D_XOPEN_SOURCE
In file included from /usr/include/ssp/wchar.h:5:0,
                  from /usr/include/wchar.h:336,
                  from twchar.c:1:
/usr/include/ssp/wchar.h:78:1: error: unknown type name 'FILE'
  __ssp_decl(wchar_t *, fgetws, (wchar_t *__restrict __buf, int __wlen, 
FILE *__restrict __fp))
  ^
/usr/include/ssp/wchar.h:78:1: error: unknown type name 'FILE'
  __ssp_decl(wchar_t *, fgetws, (wchar_t *__restrict __buf, int __wlen, 
FILE *__restrict __fp))


All four of the GCC options have to be there to trigger this 
(_FORTIFY_SOURCE can be set to 2, for the same result).  Basically the 
SSP additions to <wchar.h> fail to compile, but only if the feature set 
has been restricted from the default by -D_XOPEN_SOURCE.  Ultimately 
this happens because the latter disables the typedef of FILE in 
/usr/include/wchar.h line 72 ff:

#if __POSIX_VISIBLE >= 200809 || _XSI_VISIBLE
/* As in stdio.h, <sys/reent.h> defines __FILE. */
#if !defined(__FILE_defined)
typedef __FILE FILE;
# define __FILE_defined
#endif
#endif

I don't know remotely enough about this SSP stuff to judge if that's 
even supposed to work in -D_XOPEN_SOURCE mode.  But as it is, it can't.

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Re: /usr/include/ssp/wchar.h:78:1: error: unknown type name ‘FILE’ (during cygport package build)

[Achim Gratz]

Hans-Bernhard Bröker writes:
> That does look rather weird.  Why would one write that instead of just
> -D_FORTIFY_SOURCE=2 ?

That's what cygport does and Yaakov said he'd copied it from Fedora.
But yes, that _is_ unexpected and it did break stuff elsewehere.


Regards,
Achim.
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Re: /usr/include/ssp/wchar.h:78:1: error: unknown type name ‘FILE’ (during cygport package build)

[Ken Brown]

On 5/13/2018 12:01 PM, waterlan wrote:
> Hi,
> 
> I'm trying to create a new wcd package, but I get compile errors during
> the cygport build of the wcd package.
> 
> gcc -ggdb -O2 -pipe -Wall -Werror=format-security
> -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector-strong
> --param=ssp-buffer-size=4
> -fdebug-prefix-map=/cygdrive/c/Users/waterlan/src/cygwin/wcd/wcd-6.0.2-1.x86_64/build=/usr/src/debug/wcd-6.0.2-1
> -fdebug-prefix-map=/cygdrive/c/Users/waterlan/src/cygwin/wcd/wcd-6.0.2-1.x86_64/src/wcd-6.0.2=/usr/src/debug/wcd-6.0.2-1
> -O2 -Wall -Wextra -Wno-unused-parameter -Wconversion    -Ic3po
> -DVERSION=\"6.0.2\" -DVERSION_DATE=\"2018-05-10\"  -std=gnu99
> -DWCD_UNICODE -DWCD_UNINORM -DENABLE_NLS
> -DLOCALEDIR=\"/usr/share/locale\" -DPACKAGE=\"wcd\"
> -I/usr/include/ncursesw -I/usr/include -DDEBUG=0 -D_LARGEFILE_SOURCE
> -D_FILE_OFFSET_BITS=64 -DUNIX -DWCD_USECURSES  -D_XOPEN_SOURCE
> -D_XOPEN_SOURCE_EXTENDED  -c wcwidth.c -o wcwidth.o
> 
> In file included from /usr/include/ssp/wchar.h:5:0,
>                   from /usr/include/wchar.h:336,
>                   from wcwidth.c:62:
> /usr/include/ssp/wchar.h:78:1: error: unknown type name 'FILE'
>   __ssp_decl(wchar_t *, fgetws, (wchar_t *__restrict __buf, int __wlen,
> FILE *__restrict __fp))

This is a newlib issue that has been fixed:

https://cygwin.com/git/gitweb.cgi?p=newlib-cygwin.git;a=commitdiff;h=829820af6e5bccefe93485023e93821807fb99b8;hp=e494b560350cabef94126a4478096aae89ae35a0

Ken

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Re: /usr/include/ssp/wchar.h:78:1: error: unknown type name ‘FILE’ (during cygport package build)

[waterlan]

Ken Brown schreef op 2018-05-14 14:35:
> On 5/13/2018 12:01 PM, waterlan wrote:
>> Hi,
>> 
>> I'm trying to create a new wcd package, but I get compile errors 
>> during
>> the cygport build of the wcd package.
>> 
>> gcc -ggdb -O2 -pipe -Wall -Werror=format-security
>> -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector-strong
>> --param=ssp-buffer-size=4
>> -fdebug-prefix-map=/cygdrive/c/Users/waterlan/src/cygwin/wcd/wcd-6.0.2-1.x86_64/build=/usr/src/debug/wcd-6.0.2-1
>> -fdebug-prefix-map=/cygdrive/c/Users/waterlan/src/cygwin/wcd/wcd-6.0.2-1.x86_64/src/wcd-6.0.2=/usr/src/debug/wcd-6.0.2-1
>> -O2 -Wall -Wextra -Wno-unused-parameter -Wconversion    -Ic3po
>> -DVERSION=\"6.0.2\" -DVERSION_DATE=\"2018-05-10\"  -std=gnu99
>> -DWCD_UNICODE -DWCD_UNINORM -DENABLE_NLS
>> -DLOCALEDIR=\"/usr/share/locale\" -DPACKAGE=\"wcd\"
>> -I/usr/include/ncursesw -I/usr/include -DDEBUG=0 -D_LARGEFILE_SOURCE
>> -D_FILE_OFFSET_BITS=64 -DUNIX -DWCD_USECURSES  -D_XOPEN_SOURCE
>> -D_XOPEN_SOURCE_EXTENDED  -c wcwidth.c -o wcwidth.o
>> 
>> In file included from /usr/include/ssp/wchar.h:5:0,
>>                   from /usr/include/wchar.h:336,
>>                   from wcwidth.c:62:
>> /usr/include/ssp/wchar.h:78:1: error: unknown type name 'FILE'
>>   __ssp_decl(wchar_t *, fgetws, (wchar_t *__restrict __buf, int 
>> __wlen,
>> FILE *__restrict __fp))
> 
> This is a newlib issue that has been fixed:
> 
> https://cygwin.com/git/gitweb.cgi?p=newlib-cygwin.git;a=commitdiff;h=829820af6e5bccefe93485023e93821807fb99b8;hp=e494b560350cabef94126a4478096aae89ae35a0
> 
> Ken

When will this newlib fix arrive in Cygwin?

regards,

-- 
Erwin Waterlander
http://waterlan.home.xs4all.nl/

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Re: /usr/include/ssp/wchar.h:78:1: error: unknown type name ‘FILE’ (during cygport package build)

[Ken Brown]

On 8/16/2018 2:11 PM, waterlan wrote:
> Ken Brown schreef op 2018-05-14 14:35:
>> On 5/13/2018 12:01 PM, waterlan wrote:
>>> Hi,
>>>
>>> I'm trying to create a new wcd package, but I get compile errors during
>>> the cygport build of the wcd package.
>>>
>>> gcc -ggdb -O2 -pipe -Wall -Werror=format-security
>>> -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector-strong
>>> --param=ssp-buffer-size=4
>>> -fdebug-prefix-map=/cygdrive/c/Users/waterlan/src/cygwin/wcd/wcd-6.0.2-1.x86_64/build=/usr/src/debug/wcd-6.0.2-1 
>>>
>>> -fdebug-prefix-map=/cygdrive/c/Users/waterlan/src/cygwin/wcd/wcd-6.0.2-1.x86_64/src/wcd-6.0.2=/usr/src/debug/wcd-6.0.2-1 
>>>
>>> -O2 -Wall -Wextra -Wno-unused-parameter -Wconversion    -Ic3po
>>> -DVERSION=\"6.0.2\" -DVERSION_DATE=\"2018-05-10\"  -std=gnu99
>>> -DWCD_UNICODE -DWCD_UNINORM -DENABLE_NLS
>>> -DLOCALEDIR=\"/usr/share/locale\" -DPACKAGE=\"wcd\"
>>> -I/usr/include/ncursesw -I/usr/include -DDEBUG=0 -D_LARGEFILE_SOURCE
>>> -D_FILE_OFFSET_BITS=64 -DUNIX -DWCD_USECURSES  -D_XOPEN_SOURCE
>>> -D_XOPEN_SOURCE_EXTENDED  -c wcwidth.c -o wcwidth.o
>>>
>>> In file included from /usr/include/ssp/wchar.h:5:0,
>>>                   from /usr/include/wchar.h:336,
>>>                   from wcwidth.c:62:
>>> /usr/include/ssp/wchar.h:78:1: error: unknown type name 'FILE'
>>>   __ssp_decl(wchar_t *, fgetws, (wchar_t *__restrict __buf, int __wlen,
>>> FILE *__restrict __fp))
>>
>> This is a newlib issue that has been fixed:
>>
>> https://cygwin.com/git/gitweb.cgi?p=newlib-cygwin.git;a=commitdiff;h=829820af6e5bccefe93485023e93821807fb99b8;hp=e494b560350cabef94126a4478096aae89ae35a0 
>>
>>
>> Ken
> 
> When will this newlib fix arrive in Cygwin?

It's in cygwin-2.11.0, which is already available as a test release.

Ken


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Re: /usr/include/ssp/wchar.h:78:1: error: unknown type name ‘FILE’ (during cygport package build)

[waterlan]

Ken Brown schreef op 2018-08-16 20:20:
> On 8/16/2018 2:11 PM, waterlan wrote:
>> Ken Brown schreef op 2018-05-14 14:35:
>>> 
>>> This is a newlib issue that has been fixed:
>>> 
>>> https://cygwin.com/git/gitweb.cgi?p=newlib-cygwin.git;a=commitdiff;h=829820af6e5bccefe93485023e93821807fb99b8;hp=e494b560350cabef94126a4478096aae89ae35a0 
>>> Ken
>> 
>> When will this newlib fix arrive in Cygwin?
> 
> It's in cygwin-2.11.0, which is already available as a test release.
> 

OK. Thanks.

-- 
Erwin Waterlander
http://waterlan.home.xs4all.nl/

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