kconfig: if ncurses-devel is missing then say so
With this patch when ncurses-devel (or whatever it is named)
is missing trying to run menuconfig will result in this:
$ make menuconfig
HOSTCC scripts/kconfig/conf.o
HOSTCC scripts/kconfig/kxgettext.o
*** Unable to find the ncurses libraries or the
*** required header files.
*** 'make menuconfig' requires the ncurses libraries.
***
*** Install ncurses (ncurses-devel) and try again.
***
make[1]: *** [scripts/kconfig/dochecklxdialog] Error 1
make: *** [menuconfig] Error 2
Much better than before where we just listed some build errors.
The other *config targets will work indepenednt on ncurses
being present or not.
Includes improvements suggested by: Frans Pop <elendil@planet.nl>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Frans Pop <elendil@planet.nl>
diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index 1ad6f7f..8091435 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -93,12 +93,6 @@
HOST_EXTRACFLAGS += -DLOCALE
-PHONY += $(obj)/dochecklxdialog
-$(obj)/dochecklxdialog:
- $(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_LOADLIBES)
-
-always := dochecklxdialog
-
# ===========================================================================
# Shared Makefile for the various kconfig executables:
@@ -145,6 +139,14 @@
.tmp_gtkcheck zconf.tab.c lex.zconf.c zconf.hash.c
clean-files += mconf qconf gconf
+# Check that we have the required ncurses stuff installed for lxdialog (menuconfig)
+PHONY += $(obj)/dochecklxdialog
+$(addprefix $(obj)/,$(lxdialog)): $(obj)/dochecklxdialog
+$(obj)/dochecklxdialog:
+ $(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_EXTRACFLAGS) $(HOST_LOADLIBES)
+
+always := dochecklxdialog
+
# Add environment specific flags
HOST_EXTRACFLAGS += $(shell $(CONFIG_SHELL) $(srctree)/$(src)/check.sh $(HOSTCC) $(HOSTCFLAGS))