kbuild: change kbuild to not rely on incorrect GNU make behavior

[mirror_ubuntu-artful-kernel.git] / scripts / kconfig / lxdialog / Makefile

diff --git a/scripts/kconfig/lxdialog/Makefile b/scripts/kconfig/lxdialog/Makefile
index a45a13fb26ed7a58e41f5d716a374dc25de03b5f..a8b026326247529f338f646813ae74b3c2c614c8 100644 (file)
--- a/scripts/kconfig/lxdialog/Makefile
+++ b/scripts/kconfig/lxdialog/Makefile
@@ -1,42 +1,21 @@
-HOST_EXTRACFLAGS := -DLOCALE 
-ifeq ($(shell uname),SunOS)
-HOST_LOADLIBES   := -lcurses
-else
-HOST_LOADLIBES   := -lncurses
-endif
+# Makefile to build lxdialog package
+#
 
-ifeq (/usr/include/ncurses/ncurses.h, $(wildcard /usr/include/ncurses/ncurses.h))
-        HOST_EXTRACFLAGS += -I/usr/include/ncurses -DCURSES_LOC="<ncurses.h>"
-else
-ifeq (/usr/include/ncurses/curses.h, $(wildcard /usr/include/ncurses/curses.h))
-        HOST_EXTRACFLAGS += -I/usr/include/ncurses -DCURSES_LOC="<ncurses/curses.h>"
-else
-ifeq (/usr/include/ncurses.h, $(wildcard /usr/include/ncurses.h))
-        HOST_EXTRACFLAGS += -DCURSES_LOC="<ncurses.h>"
-else
-       HOST_EXTRACFLAGS += -DCURSES_LOC="<curses.h>"
-endif
-endif
-endif
+check-lxdialog  := $(srctree)/$(src)/check-lxdialog.sh
+
+# Use reursively expanded variables so we do not call gcc unless
+# we really need to do so. (Do not call gcc as part of make mrproper)
+HOST_EXTRACFLAGS = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags)
+HOST_LOADLIBES   = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
+
+HOST_EXTRACFLAGS += -DLOCALE
+
+PHONY += dochecklxdialog
+$(obj)/dochecklxdialog:
+       $(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_LOADLIBES)
 
 hostprogs-y    := lxdialog
-always         := ncurses $(hostprogs-y)
+always         := $(hostprogs-y) dochecklxdialog
 
 lxdialog-objs := checklist.o menubox.o textbox.o yesno.o inputbox.o \
                 util.o lxdialog.o msgbox.o
-
-.PHONY: $(obj)/ncurses
-$(obj)/ncurses:
-       @echo "main() {}" > lxtemp.c
-       @if $(HOSTCC) lxtemp.c  $(HOST_LOADLIBES); then \
-               rm -f lxtemp.c a.out; \
-       else \
-               rm -f lxtemp.c; \
-               echo -e "\007" ;\
-               echo ">> Unable to find the Ncurses libraries." ;\
-               echo ">>" ;\
-               echo ">> You must install ncurses-devel in order" ;\
-               echo ">> to use 'make menuconfig'" ;\
-               echo ;\
-               exit 1 ;\
-       fi