CONFIGURATION!

scripts/kconfig/mconf-cfg.sh

@@ -0,0 +1,57 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+
+set -eu
+
+cflags=$1
+libs=$2
+
+PKG="ncursesw"
+PKG2="ncurses"
+
+if [ -n "$(command -v ${HOSTPKG_CONFIG})" ]; then
+	if ${HOSTPKG_CONFIG} --exists $PKG; then
+		${HOSTPKG_CONFIG} --cflags ${PKG} > ${cflags}
+		${HOSTPKG_CONFIG} --libs ${PKG} > ${libs}
+		exit 0
+	fi
+
+	if ${HOSTPKG_CONFIG} --exists ${PKG2}; then
+		${HOSTPKG_CONFIG} --cflags ${PKG2} > ${cflags}
+		${HOSTPKG_CONFIG} --libs ${PKG2} > ${libs}
+		exit 0
+	fi
+fi
+
+# Check the default paths in case pkg-config is not installed.
+# (Even if it is installed, some distributions such as openSUSE cannot
+# find ncurses by pkg-config.)
+if [ -f /usr/include/ncursesw/ncurses.h ]; then
+	echo -D_GNU_SOURCE -I/usr/include/ncursesw > ${cflags}
+	echo -lncursesw > ${libs}
+	exit 0
+fi
+
+if [ -f /usr/include/ncurses/ncurses.h ]; then
+	echo -D_GNU_SOURCE -I/usr/include/ncurses > ${cflags}
+	echo -lncurses > ${libs}
+	exit 0
+fi
+
+# As a final fallback before giving up, check if $HOSTCC knows of a default
+# ncurses installation (e.g. from a vendor-specific sysroot).
+if echo '#include <ncurses.h>' | ${HOSTCC} -E - >/dev/null 2>&1; then
+	echo -D_GNU_SOURCE > ${cflags}
+	echo -lncurses > ${libs}
+	exit 0
+fi
+
+echo >&2 "*"
+echo >&2 "* Unable to find the ncurses package."
+echo >&2 "* Install ncurses (ncurses-devel or libncurses-dev"
+echo >&2 "* depending on your distribution)."
+echo >&2 "*"
+echo >&2 "* You may also need to install ${HOSTPKG_CONFIG} to find the"
+echo >&2 "* ncurses installed in a non-default location."
+echo >&2 "*"
+exit 1