[3.13] gh-113565: Improve and harden detection of curses dependencies (GH-119816) #121202
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…ythonGH-119816) 1. Use pkg-config to check for ncursesw/panelw. If that fails, use pkg-config to check for ncurses/panel. 2. Regardless of pkg-config output, search for curses/panel headers, so we're sure we have all defines in pyconfig.h. 3. Regardless of pkg-config output, check if libncurses or libncursesw contains the 'initscr' symbol; if it does _and_ pkg-config failed earlier, add the resulting -llib linker option to CURSES_LIBS. Ditto for 'update_panels' and PANEL_LIBS. 4. Wrap the rest of the checks with WITH_SAVE_ENV and make sure we're using updated LIBS and CPPFLAGS for those. Add the PY_CHECK_CURSES convenience macro. (cherry picked from commit f80376b) Co-authored-by: Erlend E. Aasland <erlend@python.org>
This was referenced Jul 1, 2024
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pkg-config to check for ncurses/panel.
we're sure we have all defines in pyconfig.h.
contains the 'initscr' symbol; if it does and pkg-config failed
earlier, add the resulting -llib linker option to CURSES_LIBS.
Ditto for 'update_panels' and PANEL_LIBS.
using updated LIBS and CPPFLAGS for those.
Add the PY_CHECK_CURSES convenience macro.
(cherry picked from commit f80376b)
Co-authored-by: Erlend E. Aasland erlend@python.org