New submission from Chi Hsuan Yen:

In changeset 919259054621 (from issue12567) and 707761d59a4a (from issue15268), 
/usr/include/ncursesw was added to include paths in and 
This is wrong and breaks cross-compiling. For example, if   host has 
/usr/include/ncursesw/ncurses.h and target has $SYSROOT/include/ncurses.h, the 
build fails. An example can be found in [1].

My patch removes all references to /usr/include/ncursesw and uses a robust 
detection, which is suitable for both native builds and cross builds.

Added the authors of aforementioned changesets.


components: Build, Cross-Build
files: ncurses.patch
keywords: patch
messages: 276806
nosy: Alex.Willmer, Chi Hsuan Yen, doko, haypo
priority: normal
severity: normal
status: open
title: Cross-build _curses failed if host ncurses headers and target ncurses 
headers have different layouts
type: compile error
versions: Python 3.7
Added file:

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