On Sat, Aug 24, 2024 at 06:08:45PM +0200, Sven Joachim wrote: > On 2024-08-24 01:47 -0400, Paul Dufresne wrote: > > > Package: ncurses-base > > Version: 6.5-2 > > Severity: wishlist > > > > Dear Maintainer, > > > > While trying to compile the haskell example program for module ncurses, > > I got the following error: > > While compiling: got: > > Failed to build ncurses-0.2.16. > > Build log ( > > /home/paul/.cabal/logs/ghc-9.4.7/ncurses-0.2.16-d863cb3651dc4baa1ab3f5d6ea2fc5693727b1cc5282fbebd8a1f4a6edda73e5.log > > ): > > Warning: ncurses.cabal:85:21: version operators used. To use version > > operators > > the package needs to specify at least 'cabal-version: >= 1.8'. > > Configuring ncurses-0.2.16... > > Preprocessing library for ncurses-0.2.16.. > > c2hs: C header contains errors: > > > > dist/build/UI/NCurses/Enums.chs.h:140: (column 25) [ERROR] >>> Unknown > > identifier! > > Cannot find a definition for `KEY_EVENT' in the header file. > > > > Error: cabal: Failed to build ncurses-0.2.16 (which is required by > > exe:ncurses1 from ncurses1-0.1.0.0). See the build log above for details. > > > > Contacting the old maintainer of the ncurses Haskell module he said: > > Regarding the specific case of KEY_EVENT, it was removed from the ncurses > > public API (a backwards-incompatible breaking change), and the configure > > flag > > `--enable-wgetch-events` is required to re-enable it. I recommend filing a > > bug > > against the Debian ncurses package asking them to set that flag when > > building. > > > > I downloaded latest source code, and: > > paul@albukerk:~/Téléchargements/ncurses-6.4-20230520$ ./configure > > --help|grep > > event > > --enable-wgetch-events compile with wgetch-events code > > paul@albukerk:~/Téléchargements/ncurses-6.4-20230520$ > > > > So the option seems to still exist. > > It exists but has been deprecated four years ago, in the same > patchlevel that removed the KEY_EVENT macro. See the NEWS file: > > ,---- > | 20200817 > | + mark wgetch-events feature as deprecated. > | + prevent KEY_EVENT from appearing in curses.h unless the configure > | option --enable-wgetch-events is used (report by Werner Fink). > `---- > > > So... this is a wish request to build with this flag enable. > > Not going to happen, I am afraid. You could try the following change to > haskell-ncurses: >
> diff --git a/lib/UI/NCurses/Enums.chs b/lib/UI/NCurses/Enums.chs > index 73a64f5..ef47d00 100644 > --- a/lib/UI/NCurses/Enums.chs > +++ b/lib/UI/NCurses/Enums.chs > @@ -195,7 +195,6 @@ enum hsncurses_Key > , hsncurses_KEY_UNDO = KEY_UNDO > , hsncurses_KEY_MOUSE = KEY_MOUSE > , hsncurses_KEY_RESIZE = KEY_RESIZE > -, hsncurses_KEY_EVENT = KEY_EVENT > }; > #endc > That's what I recommend. I deprecated it because (aside from copy/paste stuff like this), there were no known uses of the feature, and there was no documentation. -- Thomas E. Dickey <dic...@invisible-island.net> https://invisible-island.net
signature.asc
Description: PGP signature
