Building nconf requires ncurses, but its presence is not checked.
Check and configure necessary packages by a shell script like the
other GUI frontends.
Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
---
Changes in v2:
- Add fallback code in case distributions cannot find
ncurses by pkg-config.
scripts/kconfig/Makefile | 16 ++++++++--------
scripts/kconfig/nconf-cfg.sh | 34 ++++++++++++++++++++++++++++++++++
2 files changed, 42 insertions(+), 8 deletions(-)
create mode 100644 scripts/kconfig/nconf-cfg.sh
diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index 25a3d25..b90e801 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -176,15 +176,12 @@ help:
# ===========================================================================
# Shared Makefile for the various kconfig executables:
# conf: Used for defconfig, oldconfig and related targets
-# nconf: Used for the nconfig target.
-# Utilizes ncurses
# object files used by all kconfig flavours
conf-objs := conf.o zconf.tab.o
-nconf-objs := nconf.o zconf.tab.o nconf.gui.o
kxgettext-objs := kxgettext.o zconf.tab.o
-hostprogs-y := conf nconf kxgettext
+hostprogs-y := conf kxgettext
targets += zconf.lex.c
clean-files += gconf.glade.h
@@ -199,10 +196,13 @@ HOST_EXTRACXXFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTC
HOSTCFLAGS_zconf.lex.o := -I$(src)
HOSTCFLAGS_zconf.tab.o := -I$(src)
-HOSTLOADLIBES_nconf = $(shell \
- pkg-config --libs menuw panelw ncursesw 2>/dev/null \
- || pkg-config --libs menu panel ncurses 2>/dev/null \
- || echo "-lmenu -lpanel -lncurses" )
+# nconf: Used for the nconfig target based on ncurses
+hostprogs-y += nconf
+nconf-objs := nconf.o zconf.tab.o nconf.gui.o
+
+HOSTLOADLIBES_nconf = $(shell . $(obj)/.nconf-cfg && echo $$libs)
+
+$(obj)/nconf.o: $(obj)/.nconf-cfg
# mconf: Used for the menuconfig target based on lxdialog
hostprogs-y += mconf
diff --git a/scripts/kconfig/nconf-cfg.sh b/scripts/kconfig/nconf-cfg.sh
new file mode 100644
index 0000000..8eb7948
--- /dev/null
+++ b/scripts/kconfig/nconf-cfg.sh
@@ -0,0 +1,34 @@
+#!/bin/sh
+# SPDX-License-Identifier: GPL-2.0
+
+PKG="ncursesw menuw panelw"
+PKG2="ncurses menu panel"
+
+if pkg-config --exists $PKG; then
+ echo libs=\"$(pkg-config --libs $PKG)\"
+ exit 0
+fi
+
+if pkg-config --exists $PKG2; then
+ echo libs=\"$(pkg-config --libs $PKG2)\"
+ exit 0
+fi
+
+# Unfortunately, some distributions (e.g. openSUSE) cannot find ncurses
+# by pkg-config.
+if [ -f /usr/include/ncursesw/ncurses.h ]; then
+ echo libs=\"-lncursesw -lmenuw -lpanelw\"
+ exit 0
+fi
+
+if [ -f /usr/include/ncurses.h ]; then
+ echo libs=\"-lncurses -lmenu -lpanel\"
+ exit 0
+fi
+
+echo >&2 "*"
+echo >&2 "* Unable to find the ncurses."
+echo >&2 "* Install ncurses (ncurses-devel or libncurses-dev"
+echo >&2 "* depending on your distribution)"
+echo >&2 "*"
+exit 1
--
2.7.4
--
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