[PATCH v3] NEWS: Mention testing glibc build with a different set of compilers

[Sam James]

"H.J. Lu" <hjl.tools@gmail.com> writes:

> Also document C and C++ compilers used to test glibc should come from
> the same set of compilers.
>
> Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
> ---
>  INSTALL             |  6 +++---
>  NEWS                | 11 +++++++++++
>  manual/install.texi |  7 +++----
>  3 files changed, 17 insertions(+), 7 deletions(-)
>
> diff --git a/INSTALL b/INSTALL
> index 85c8e4cef1..717b34a374 100644
> --- a/INSTALL
> +++ b/INSTALL
> @@ -49,9 +49,9 @@ if 'CFLAGS' is specified it must enable optimization.  For example:
>  
>       $ ../glibc-VERSION/configure CC="gcc -m32" CFLAGS="-O3"
>  
> -   To test the GNU C Library with a different C compiler or a different
> -C++ compiler, 'TEST_CC=COMPILER' and 'TEST_CXX=COMPILER' arguments can
> -be passed to 'configure'.  For example:
> +   To test the GNU C Library with a different set of C and C++
> +compilers, 'TEST_CC=COMPILER' and 'TEST_CXX=COMPILER' arguments can be
> +passed to 'configure'.  For example:
>  
>       $ ../glibc-VERSION/configure TEST_CC="gcc-6.4.1" TEST_CXX="g++-6.4.1"
>  
> diff --git a/NEWS b/NEWS
> index a185f2e7ee..4ceecd6249 100644
> --- a/NEWS
> +++ b/NEWS
> @@ -9,6 +9,17 @@ Version 2.41
>  
>  Major new features:
>  
> +* Support testing glibc build with a different set of C and C++ compilers
> +  from the C and C++ compilers used to build glibc with
> +
> +  $ ../configure TEST_CC="gcc-6.4.1" TEST_CXX="g++-6.4.1"
> +
> +  And support testing glibc build with Clang
> +
> +  $ ../configure TEST_CC="clang" TEST_CXX="clang++"
> +
> +  Some run-time failures with Clang are expected.
> +
>  * In /etc/resolv.conf and the RES_OPTIONS, option flags can now be
>    prefixed with “-” to clear previously set flags.  For example, if
>    /etc/resolv.conf contains “options no-aaaa”, a process running with
> diff --git a/manual/install.texi b/manual/install.texi
> index 61745b88d8..05a774b33b 100644
> --- a/manual/install.texi
> +++ b/manual/install.texi
> @@ -75,10 +75,9 @@ and @theglibc{} cannot be compiled without optimization, so if
>  $ ../glibc-@var{version}/configure CC="gcc -m32" CFLAGS="-O3"
>  @end smallexample
>  
> -To test @theglibc{} with a different C compiler or a different C++
> -compiler, @samp{TEST_CC=@var{compiler}} and
> -@samp{TEST_CXX=@var{compiler}} arguments can be passed to
> -@code{configure}.  For example:
> +To test @theglibc{} with a different set of C and C++ compilers,
> +@samp{TEST_CC=@var{compiler}} and @samp{TEST_CXX=@var{compiler}}
> +arguments can be passed to @code{configure}.  For example:
>  
>  @smallexample
>  $ ../glibc-@var{version}/configure TEST_CC="gcc-6.4.1" TEST_CXX="g++-6.4.1"

LGTM. I will document it on the wiki.