[PATCH] makedev.3: glibc has deprecated exposing the definitions via <sys/types.h>

[PATCH] makedev.3: glibc has deprecated exposing the definitions via <sys/types.h>

[Adrian Bunk]

Compile warning with glibc 2.25:

warning: In the GNU C Library, "makedev" is defined
 by <sys/sysmacros.h>. For historical compatibility, it is
 currently defined by <sys/types.h> as well, but we plan to
 remove this soon. To use "makedev", include <sys/sysmacros.h>
 directly. If you did not intend to use a system-defined macro
 "makedev", you should undefine it after including <sys/types.h>.

Background:
https://sourceware.org/git/?p=glibc.git;a=commit;h=dbab6577c6684c62bd2521c1c29dc25c3cac966f
---
 man3/makedev.3 | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/man3/makedev.3 b/man3/makedev.3
index 3398bbb0b..75c191be7 100644
--- a/man3/makedev.3
+++ b/man3/makedev.3
@@ -94,9 +94,10 @@ and
 The latter names are exported, but the traditional names are more portable.
 .PP
 The BSDs expose the definitions for these macros via
-.IR <sys/types.h> ,
-and glibc also exposes definitions for these macros from that
-header file if suitable feature test macros are defined.
+.IR <sys/types.h> .
+glibc also exposes definitions for these macros from that
+header file if suitable feature test macros are defined,
+but this is deprecated and will be removed in the future.
 .SH SEE ALSO
 .BR mknod (2),
 .BR stat (2)
-- 
2.11.0

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Re: [PATCH] makedev.3: glibc has deprecated exposing the definitions via <sys/types.h>

[Michael Kerrisk (man-pages)]

On 11/25/2017 11:12 AM, Adrian Bunk wrote:
> Compile warning with glibc 2.25:
> 
> warning: In the GNU C Library, "makedev" is defined
>  by <sys/sysmacros.h>. For historical compatibility, it is
>  currently defined by <sys/types.h> as well, but we plan to
>  remove this soon. To use "makedev", include <sys/sysmacros.h>
>  directly. If you did not intend to use a system-defined macro
>  "makedev", you should undefine it after including <sys/types.h>.

Thanks, Adrian. Patch applied.

Cheers,

Michael

> Background:
> https://sourceware.org/git/?p=glibc.git;a=commit;h=dbab6577c6684c62bd2521c1c29dc25c3cac966f
> ---
>  man3/makedev.3 | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/man3/makedev.3 b/man3/makedev.3
> index 3398bbb0b..75c191be7 100644
> --- a/man3/makedev.3
> +++ b/man3/makedev.3
> @@ -94,9 +94,10 @@ and
>  The latter names are exported, but the traditional names are more portable.
>  .PP
>  The BSDs expose the definitions for these macros via
> -.IR <sys/types.h> ,
> -and glibc also exposes definitions for these macros from that
> -header file if suitable feature test macros are defined.
> +.IR <sys/types.h> .
> +glibc also exposes definitions for these macros from that
> +header file if suitable feature test macros are defined,
> +but this is deprecated and will be removed in the future.
>  .SH SEE ALSO
>  .BR mknod (2),
>  .BR stat (2)
> 


-- 
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/
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