Re: [PATCH v2] tag: support --sort=<spec>

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On Sat, Feb 22, 2014 at 10:29:22AM +0700, Nguyễn Thái Ngọc Duy wrote:

> Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
> ---
>  The new prereq GNULINUX is an ugly workaround until people provide
>  strverscmp compat implementation. I hope that will happen soon as
>  strverscmp.c does not look very complex.

Should GNULINUX be called HAVE_STRVERSCMP in the Makefile?

Then this:

> --- a/git-compat-util.h
> +++ b/git-compat-util.h
> @@ -721,4 +721,11 @@ void warn_on_inaccessible(const char *path);
>  /* Get the passwd entry for the UID of the current process. */
>  struct passwd *xgetpwuid_self(void);
>  
> +#ifndef __GNU_LIBRARY__
> +static inline int strverscmp(const char *s1, const char *s2)
> +{
> +	die("strverscmp() not supported");
> +}
> +#endif

becomes "#ifndef HAVE_STRVERSCMP", and this:

> diff --git a/t/test-lib.sh b/t/test-lib.sh
> index 1531c24..5e8c39a 100644
> --- a/t/test-lib.sh
> +++ b/t/test-lib.sh
> @@ -771,6 +771,8 @@ case $(uname -s) in
>  	;;
>  esac
>  
> +[ "$(uname -o)" = "GNU/Linux" ] && test_set_prereq GNULINUX
> +

can pick up the value from GIT-BUILD-OPTIONS as a prerequisite (see the
way we handle NO_PERL for an example). Though if we can just grab the
glibc version as a fallback, we can do away with that completely.

-Peff
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