support: Add support_install_rootsbindir

  From: Alexandra Hájková <ahajkova@redhat.com>

---
 support/Makefile        | 3 ++-
 support/support.h       | 2 ++
 support/support_paths.c | 6 ++++++
 3 files changed, 10 insertions(+), 1 deletion(-)
  

On 14/05/2019 07:21, Alexandra Hájková wrote:
> From: Alexandra Hájková <ahajkova@redhat.com>

LGTM with following nit below.

Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>

> 
> ---
>  support/Makefile        | 3 ++-
>  support/support.h       | 2 ++
>  support/support_paths.c | 6 ++++++
>  3 files changed, 10 insertions(+), 1 deletion(-)
> 
> diff --git a/support/Makefile b/support/Makefile
> index 64044f6f5c..3ed607a79b 100644
> --- a/support/Makefile
> +++ b/support/Makefile
> @@ -179,7 +179,8 @@ CFLAGS-support_paths.c = \
>  		-DOBJDIR_PATH=\"`cd $(objpfx)/..; pwd`\" \
>  		-DOBJDIR_ELF_LDSO_PATH=\"`cd $(objpfx)/..; pwd`/elf/$(rtld-installed-name)\" \
>  		-DINSTDIR_PATH=\"$(prefix)\" \
> -		-DLIBDIR_PATH=\"$(libdir)\"
> +		-DLIBDIR_PATH=\"$(libdir)\" \
> +		-DROOTSBINDIR_PATH=\"$(rootsbindir)\"

Ok.

>  
>  ifeq (,$(CXX))
>  LINKS_DSO_PROGRAM = links-dso-program-c
> diff --git a/support/support.h b/support/support.h
> index 97fef2cd23..c5297a642d 100644
> --- a/support/support.h
> +++ b/support/support.h
> @@ -106,6 +106,8 @@ extern const char support_install_prefix[];
>  /* Corresponds to the install's lib/ or lib64/ directory.  */
>  extern const char support_libdir_prefix[];
>  
> +extern const char support_install_rootsbindir[];
> +

Add a comment as for other variables.

>  extern ssize_t support_copy_file_range (int, off64_t *, int, off64_t *,
>  					size_t, unsigned int);
>  
> diff --git a/support/support_paths.c b/support/support_paths.c
> index 937e6e1012..c54be4faf6 100644
> --- a/support/support_paths.c
> +++ b/support/support_paths.c
> @@ -57,3 +57,9 @@ const char support_libdir_prefix[] = LIBDIR_PATH;
>  #else
>  # error please -DLIBDIR_PATH=something in the Makefile
>  #endif
> +
> +#ifdef ROOTSBINDIR_PATH
> +const char support_install_rootsbindir[] = ROOTSBINDIR_PATH;
> +#else
> +# error please -DROOTSBINDIR_PATH=something in the Makefile
> +#endif
> 

Ok.