On Wed, Jul 20, 2011 at 08:57:46AM +0200, Stephan Witt wrote:
> Am 20.07.2011 um 01:09 schrieb Pavel Sanda:
>
> > Stephan Witt wrote:
> >> In case of interest
> >>
> >> QT_VERSION="4.10.3" sh -c 'v="0x0"; for i in ${QT_VERSION//./ } ; do case
> >> $i in 10) v=$v"0a" ;; 11) v=$v"0b" ;; 12) v=$v"0c" ;; 13) v=$v"0d" ;; 14)
> >> v=$v"0e" ;; 15) v=$v"0f" ;; *) v=$v"0"$i ;; esac ; done; echo $v'
> >>
> >> prints 0x0040a03
This code uses bash specific features and fails with a posix shell (try it
with dash, for example). As a matter of fact, it fails on solaris.
> > how do cmake people solve this in windows? pavel
>
> This is not for cmake. It's a possible replacement for the construct with bc
> in
> src/frontends/qt4/Makefile.am
>
> I don't know if add bc as a build requirement is a solution too.
The basic calculator (bc) is part of the Single UNIX specification, so it
is expected to be there, such as one expects that ls is there. So, I don't
know what it means "adding bc as a build requirement", as we don't add
tens of other commands as build requirement and simply expect that they
are there.
--
Enrico
