[Buildroot] [PATCH] dependencies/cmake: blacklist cmake 3.7

[Yann E. MORIN <yann.morin.1998@free.fr>]

Baruch, All,

On 2017-02-27 06:43 +0200, Baruch Siach spake thusly:
> Hi Yann,
> 
> On Sun, Feb 26, 2017 at 11:42:47PM +0100, Yann E. MORIN wrote:
> > cmake-3.7 has a bug in how it handles rpath, linking with libraries from
> > the host.
> > 
> > Until we completely understand the issue, just blacklist cmake-3.7.
> > 
> > The issue has been reported upstream:
> >     http://public.kitware.com/pipermail/cmake/2017-February/064970.html
> > 
> > Reported-by: Baruch Siach <baruch@tkos.co.il>
> > Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
> > Cc: J?rg Krause <joerg.krause@embedded.rocks>
> > Cc: Ben Boeckel <mathstuf@gmail.com>
> > Cc: Samuel Martin <s.martin49@gmail.com>
> > ---
> >  support/dependencies/check-host-cmake.sh | 8 ++++++++
> >  1 file changed, 8 insertions(+)
> > 
> > diff --git a/support/dependencies/check-host-cmake.sh b/support/dependencies/check-host-cmake.sh
> > index 9b63b06..84c26c2 100755
> > --- a/support/dependencies/check-host-cmake.sh
> > +++ b/support/dependencies/check-host-cmake.sh
> > @@ -6,6 +6,9 @@ version_min="${2}"
> >  major_min="${version_min%.*}"
> >  minor_min="${version_min#*.}"
> >  
> > +# cmake-3.7 incorrectly handles rpath, linking to host libraries
> > +blacklist_version="3.7"
> > +
> >  cmake=`which ${candidate}`
> >  if [ ! -x "${cmake}" ]; then
> >      # echo nothing: no suitable cmake found
> > @@ -27,6 +30,11 @@ version="$(${cmake} --version \
> >  major="${version%.*}"
> >  minor="${version#*.}"
> >  
> > +if [ "${version}" = "${blacklist_version}" ]; then
> 
> Minor nit: there are no quotes around version variables in the rest of this 
> file.

That's because here we are testing strings, while...

> > +    # echo nothing: no suitable cmake found
> > +    exit 1
> > +fi
> > +
> >  if [ ${major} -gt ${major_min} ]; then
> 
> E.g., here.

... here we are testing numbers.

Regards,
Yann E. MORIN.

> >      echo "${cmake}"
> >  else
> 
> baruch
> 
> -- 
>      http://baruch.siach.name/blog/                  ~. .~   Tk Open Systems
> =}------------------------------------------------ooO--U--Ooo------------{=
>    - baruch at tkos.co.il - tel: +972.52.368.4656, http://www.tkos.co.il -

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