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python3: pin host curses to the SDK's narrow ncurses

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Removing the ncursesw path from include avoids seeing the wide-char
version of ncurses, so the host build picks up the narrow static lib
that the OpenWrt SDK stages. To keep that pin from leaking back in
through other curses headers the build host may have under
/usr/include, also force every header check in Python's configure.ac
AC_CHECK_HEADERS(curses.h ncurses.h ncursesw/ncurses.h
ncursesw/curses.h ncursesw/panel.h panel.h) line to "no" via cached
ac_cv_header_* variables.

The narrow ncursesw_* trio was enough on the original reporter's
host; Jan Kardell's review of the first cut hit a build where
`/usr/include/curses.h` and `/usr/include/ncurses.h` from the
distro's libncurses-dev were still being picked up. Adding the
non-wide entries (and panel.h for symmetry, in case a host also
ships /usr/include/panel.h alone) makes the override insensitive to
whichever curses dev packages the host distro happens to provide.

Reported-by: Jan Kardell <jan.kardell@telliq.com>
Signed-off-by: Alexandru Ardelean <alex@shruggie.ro>
This commit is contained in:
Alexandru Ardelean
2026-05-28 13:28:54 +03:00
committed by Alexandru Ardelean
parent 214b265f4a
commit d883c02a41
1 changed files with 11 additions and 5 deletions
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lang/python/python3/Makefile
+11 -5
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@@ -41,7 +41,7 @@ PKG_BUILD_DIR:=$(BUILD_DIR)/Python-$(PKG_VERSION)
HOST_BUILD_DIR:=$(BUILD_DIR_HOST)/Python-$(PKG_VERSION) HOST_BUILD_DIR:=$(BUILD_DIR_HOST)/Python-$(PKG_VERSION)
PKG_BUILD_DEPENDS:=bluez python3/host python-build/host python-installer/host python-wheel/host PKG_BUILD_DEPENDS:=bluez python3/host python-build/host python-installer/host python-wheel/host
HOST_BUILD_DEPENDS:=bzip2/host libffi/host HOST_BUILD_DEPENDS:=bzip2/host libffi/host ncurses/host
include $(INCLUDE_DIR)/host-build.mk include $(INCLUDE_DIR)/host-build.mk
include $(INCLUDE_DIR)/package.mk include $(INCLUDE_DIR)/package.mk
@@ -293,10 +293,17 @@ endif
# HOST_MAKE_VARS += \ # HOST_MAKE_VARS += \
# PYTHONSTRICTEXTENSIONBUILD=1 # PYTHONSTRICTEXTENSIONBUILD=1
# Bypass configure test # Bypass configure test. Force every curses header check Python's
# configure.ac runs to "no" so the host distro's headers stay out.
HOST_CONFIGURE_VARS += \ HOST_CONFIGURE_VARS += \
py_cv_module__tkinter=n/a \ py_cv_module__tkinter=n/a \
ac_cv_working_openssl_hashlib=yes ac_cv_working_openssl_hashlib=yes \
ac_cv_header_curses_h=no \
ac_cv_header_ncurses_h=no \
ac_cv_header_panel_h=no \
ac_cv_header_ncursesw_curses_h=no \
ac_cv_header_ncursesw_ncurses_h=no \
ac_cv_header_ncursesw_panel_h=no
ifeq ($(HOST_OS),Darwin) ifeq ($(HOST_OS),Darwin)
HOST_CONFIGURE_VARS += \ HOST_CONFIGURE_VARS += \
@@ -314,9 +321,8 @@ HOST_CONFIGURE_ARGS += \
--with-system-expat \ --with-system-expat \
--without-cxx-main --without-cxx-main
# ncurses and uuid have seemingly unsolvable issues with pkgconfig # uuid has seemingly unsolvable issues with pkgconfig
HOST_CFLAGS += \ HOST_CFLAGS += \
-I$(STAGING_DIR_HOSTPKG)/include/ncursesw \
-I$(STAGING_DIR_HOST)/include/uuid -I$(STAGING_DIR_HOST)/include/uuid
define Host/Configure define Host/Configure