On Tuesday 01 April 2014 at 21:59:34 -0700, Khem Raj wrote:
> On Tue, Apr 1, 2014 at 3:11 AM, Mike Crowe <[email protected]> wrote:
> > It seems to be possible to disable building the "CursesDialog" component to
> > remove the need for ncurses but I couldn't immediately see how to do that
> > for a bootstrap build.
> >
> > The non-native cmake recipe depends on ncurses even though it passes
> > -DBUILD_CursesDialog=0.
>
> you need to disable it completely in CMakefile.txt, just that define
> does not suffice you might try something like
> http://sources.gentoo.org/cgi-bin/viewvc.cgi/gentoo-x86/dev-util/cmake/files/cmake-2.8.10-libform.patch?diff_format=f&view=markup
As far as I can tell (by poisoning curses.h in the sysroot) the non-native
cmake build does successfully avoid using curses by specifying
-DBUILD_CursesDialog=0. I have successfully tested removing the
ncurses dependency from the recipe too.
The cmake-native bootstrap procedure means that it is not possible to get
that parameter through to the ultimate cmake native build. So I came up
with this patch:
--- cmake-2.8.12.2/bootstrap~ 2014-01-16 17:15:09.000000000 +0000
+++ cmake-2.8.12.2/bootstrap 2014-04-01 21:27:23.841996822 +0100
@@ -1578,6 +1578,7 @@ export MAKE
# Run bootstrap CMake to configure real CMake
cmake_options="-DCMAKE_BOOTSTRAP=1"
+cmake_options="${cmake_options} -DBUILD_CursesDialog=0"
if [ -n "${cmake_verbose}" ]; then
cmake_options="${cmake_options} -DCMAKE_VERBOSE_MAKEFILE=1"
fi
If I apply this for cmake-native then it also doesn't require curses
(tested with the same poisoning.)
The Gentoo patch may be somewhat safer in the long term because it does a
better job of ensuring that the curses dependency can't come back with
newer cmake versions; it is more likely that the patch would not apply or
the link would fail.
Do you prefer the one line patch above or the Gentoo one?
Thanks.
Mike.
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