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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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kernel
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linux
kconfig: factor out ncurses check in a shell script
Cleaning up the lxdialog Makefile by factoring out the
ncurses compatibility checks.
This made the checks much more obvious and easier to extend.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
+12
-36
scripts/kconfig/lxdialog/Makefile
+12
-36
scripts/kconfig/lxdialog/Makefile
···
1
-
HOST_EXTRACFLAGS := -DLOCALE
2
-
ifeq ($(shell uname),SunOS)
3
-
HOST_LOADLIBES := -lcurses
4
-
else
5
-
HOST_LOADLIBES := -lncurses
6
-
endif
1
+
# Makefile to build lxdialog package
2
+
#
7
3
8
-
ifeq (/usr/include/ncurses/ncurses.h, $(wildcard /usr/include/ncurses/ncurses.h))
9
-
HOST_EXTRACFLAGS += -I/usr/include/ncurses -DCURSES_LOC="<ncurses.h>"
10
-
else
11
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ifeq (/usr/include/ncurses/curses.h, $(wildcard /usr/include/ncurses/curses.h))
12
-
HOST_EXTRACFLAGS += -I/usr/include/ncurses -DCURSES_LOC="<ncurses/curses.h>"
13
-
else
14
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ifeq (/usr/include/ncurses.h, $(wildcard /usr/include/ncurses.h))
15
-
HOST_EXTRACFLAGS += -DCURSES_LOC="<ncurses.h>"
16
-
else
17
-
HOST_EXTRACFLAGS += -DCURSES_LOC="<curses.h>"
18
-
endif
19
-
endif
20
-
endif
4
+
check-lxdialog := $(srctree)/$(src)/check-lxdialog.sh
5
+
HOST_EXTRACFLAGS := $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags)
6
+
HOST_LOADLIBES := $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags)
7
+
8
+
HOST_EXTRACFLAGS += -DLOCALE
9
+
10
+
.PHONY: dochecklxdialog
11
+
$(obj)/dochecklxdialog:
12
+
$(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_LOADLIBES)
21
13
22
14
hostprogs-y := lxdialog
23
-
always := ncurses $(hostprogs-y)
15
+
always := $(hostprogs-y) dochecklxdialog
24
16
25
17
lxdialog-objs := checklist.o menubox.o textbox.o yesno.o inputbox.o \
26
18
util.o lxdialog.o msgbox.o
27
-
28
-
.PHONY: $(obj)/ncurses
29
-
$(obj)/ncurses:
30
-
@echo "main() {}" > lxtemp.c
31
-
@if $(HOSTCC) lxtemp.c $(HOST_LOADLIBES); then \
32
-
rm -f lxtemp.c a.out; \
33
-
else \
34
-
rm -f lxtemp.c; \
35
-
echo -e "\007" ;\
36
-
echo ">> Unable to find the Ncurses libraries." ;\
37
-
echo ">>" ;\
38
-
echo ">> You must install ncurses-devel in order" ;\
39
-
echo ">> to use 'make menuconfig'" ;\
40
-
echo ;\
41
-
exit 1 ;\
42
-
fi
+67
scripts/kconfig/lxdialog/check-lxdialog.sh
+67
scripts/kconfig/lxdialog/check-lxdialog.sh
···
1
+
#!/bin/sh
2
+
# Check ncurses compatibility
3
+
4
+
# What library to link
5
+
ldflags()
6
+
{
7
+
if [ `uname` == SunOS ]; then
8
+
echo '-lcurses'
9
+
else
10
+
echo '-lncurses'
11
+
fi
12
+
}
13
+
14
+
# Where is ncurses.h?
15
+
ccflags()
16
+
{
17
+
if [ -f /usr/include/ncurses/ncurses.h ]; then
18
+
echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses.h>"'
19
+
elif [ -f /usr/include/ncurses/curses.h ]; then
20
+
echo '-I/usr/include/ncurses -DCURSES_LOC="<ncurses/curses.h>"'
21
+
elif [ -f /usr/include/ncurses.h ]; then
22
+
echo '-DCURSES_LOC="<ncurses.h>"'
23
+
else
24
+
echo '-DCURSES_LOC="<curses.h>"'
25
+
fi
26
+
}
27
+
28
+
compiler=""
29
+
# Check if we can link to ncurses
30
+
check() {
31
+
echo "main() {}" | $compiler -xc -
32
+
if [ $? != 0 ]; then
33
+
echo " *** Unable to find the ncurses libraries." 1>&2
34
+
echo " *** make menuconfig require the ncurses libraries" 1>&2
35
+
echo " *** " 1>&2
36
+
echo " *** Install ncurses (ncurses-devel) and try again" 1>&2
37
+
echo " *** " 1>&2
38
+
exit 1
39
+
fi
40
+
}
41
+
42
+
usage() {
43
+
printf "Usage: $0 [-check compiler options|-header|-library]\n"
44
+
}
45
+
46
+
if [ $# == 0 ]; then
47
+
usage
48
+
exit 1
49
+
fi
50
+
51
+
case "$1" in
52
+
"-check")
53
+
shift
54
+
compiler="$@"
55
+
check
56
+
;;
57
+
"-ccflags")
58
+
ccflags
59
+
;;
60
+
"-ldflags")
61
+
ldflags
62
+
;;
63
+
"*")
64
+
usage
65
+
exit 1
66
+
;;
67
+
esac