[Buildroot] CMake requires ncurses
Fabio Porcedda
fabio.porcedda at gmail.com
Wed May 7 16:27:13 UTC 2014
On Wed, May 7, 2014 at 5:44 PM, Thomas Petazzoni
<thomas.petazzoni at free-electrons.com> wrote:
> Dear Fabio Porcedda,
>
> On Wed, 7 May 2014 17:32:38 +0200, Fabio Porcedda wrote:
>
>> Are you sure that In your system there isn't installed the ncurses
>> development package?
>>
>> On my ubuntu distribution if i uninstall the libncurses5-dev package i got:
>>
>> make defconfig && make allyespackageconfig
>>
>> make host-cmake
>
> Well, right. On my system, libncurses-dev is definitely installed, but
> I was thinking that on the autobuilders chroot it is not. But in fact
> it is, for a simple reason: libncurses-dev is needed for 'make
> menuconfig'.
>
> So I believe you're maybe using 'make xconfig' or 'make gconfig', and
> therefore you don't need to have the libncurses development files
> installed.
Well, i found that only because I used buildroot on a fresh installed
system, i usually have installed the ncurses development files.
I just think that it's useful to take care of it because it's not fun
that the building fail halfway, so we have to choose between:
- document it
- add the dependency to cmake
- disable it
The last option seems to be the preferred one.
> However, there is some conditional code in the main CMakeLists.txt to
> decide whether or not to build the ncurses stuff. I would rather prefer
> to fix that, and not have to build host-ncurses everytime we need to
> build host-cmake. Have a look at:
>
> #---------------------------------------------------------------------
> # Use curses?
> if (UNIX)
> # there is a bug in the Syllable libraries which makes linking ccmake fail, Alex
> if(NOT "${CMAKE_SYSTEM_NAME}" MATCHES syllable)
> set(CURSES_NEED_NCURSES TRUE)
> find_package(Curses QUIET)
> if (CURSES_LIBRARY)
> option(BUILD_CursesDialog "Build the CMake Curses Dialog ccmake" ON)
> else ()
> message("Curses libraries were not found. Curses GUI for CMake will not be built.")
> set(BUILD_CursesDialog 0)
> endif ()
> else()
> set(BUILD_CursesDialog 0)
> endif()
> else ()
> set(BUILD_CursesDialog 0)
> endif ()
> if(BUILD_CursesDialog)
> add_subdirectory(Source/CursesDialog/form)
> endif()
Regards
--
Fabio Porcedda
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