[New-bugs-announce] [issue36979] ncurses extension uses wrong include path
Chris Hargreaves
report at bugs.python.org
Mon May 20 17:48:43 EDT 2019
New submission from Chris Hargreaves <c.hargr at gmail.com>:
This is similar to: https://bugs.python.org/issue28190
Not cross-compiling, but using a different ncurses version than is provided under /usr/include/ncursesw
Specifying CPPFLAGS to have "-I/path/to/ncurses/include" does not override the "/usr/include/ncursesw" in setup.py
if curses_library == 'ncursesw':
curses_defines.append(('HAVE_NCURSESW', '1'))
if not cross_compiling:
curses_includes.append('/usr/include/ncursesw')
Python 2.7.x does not have this issue, but 3.6.x and 3.7.x do. 2 and 3 have different ways of setting up the include path for curses when building the extension.
In my case, removing the curses_include.append from setup.py results in a working extension.
It probably makes sense that Extension(include_dirs=) take priority over Python build CPPFLAGS, setup.py may need to be more cautious about adding the ncurses include path.
Only tested in 2.7, 3.6, 3.7.
----------
components: Build, Library (Lib)
messages: 342957
nosy: chargr
priority: normal
severity: normal
status: open
title: ncurses extension uses wrong include path
type: compile error
versions: Python 3.6, Python 3.7
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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue36979>
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