【已解决】Cygwin下交叉编译Linux在make menuconfig时出错:scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x31): undefined reference to `wmove’

【问题】

折腾:

【记录】Cygwin下交叉编译Linux内核时用make menuconfig去确认和修改配置

期间,Cygwin下交叉编译linux时,去make menuconfig出错:

CLi@PC-CLI-1 ~/develop/kernel/linux-2.6.19.1
$ make menuconfig
  HOSTCC  scripts/basic/docproc
scripts/basic/docproc.c: In function ‘find_export_symbols’:
scripts/basic/docproc.c:188:5: warning: array subscript has type ‘char’ [-Wchar-subscripts]
scripts/basic/docproc.c:191:5: warning: array subscript has type ‘char’ [-Wchar-subscripts]
scripts/basic/docproc.c:197:5: warning: array subscript has type ‘char’ [-Wchar-subscripts]
scripts/basic/docproc.c:200:5: warning: array subscript has type ‘char’ [-Wchar-subscripts]
scripts/basic/docproc.c: In function ‘singfunc’:
scripts/basic/docproc.c:267:17: warning: array subscript has type ‘char’ [-Wchar-subscripts]
scripts/basic/docproc.c: In function ‘parse_file’:
scripts/basic/docproc.c:300:6: warning: array subscript has type ‘char’ [-Wchar-subscripts]
scripts/basic/docproc.c:305:6: warning: array subscript has type ‘char’ [-Wchar-subscripts]
scripts/basic/docproc.c:310:6: warning: array subscript has type ‘char’ [-Wchar-subscripts]
scripts/basic/docproc.c:316:6: warning: array subscript has type ‘char’ [-Wchar-subscripts]
scripts/basic/docproc.c:319:6: warning: array subscript has type ‘char’ [-Wchar-subscripts]
  HOSTCC  scripts/kconfig/lxdialog/checklist.o
scripts/kconfig/lxdialog/checklist.c: In function ‘dialog_checklist’:
scripts/kconfig/lxdialog/checklist.c:206:4: warning: array subscript has type ‘char’ [-Wchar-subscripts]
  HOSTCC  scripts/kconfig/lxdialog/inputbox.o
  HOSTCC  scripts/kconfig/lxdialog/menubox.o
scripts/kconfig/lxdialog/menubox.c: In function ‘dialog_menu’:
scripts/kconfig/lxdialog/menubox.c:292:5: warning: array subscript has type ‘char’ [-Wchar-subscripts]
scripts/kconfig/lxdialog/menubox.c:299:6: warning: array subscript has type ‘char’ [-Wchar-subscripts]
  HOSTCC  scripts/kconfig/lxdialog/textbox.o
scripts/kconfig/lxdialog/textbox.c: In function ‘print_line’:
scripts/kconfig/lxdialog/textbox.c:323:9: warning: variable ‘x’ set but not used [-Wunused-but-set-variable]
scripts/kconfig/lxdialog/textbox.c:323:6: warning: variable ‘y’ set but not used [-Wunused-but-set-variable]
  HOSTCC  scripts/kconfig/lxdialog/util.o
scripts/kconfig/lxdialog/util.c: In function ‘first_alpha’:
scripts/kconfig/lxdialog/util.c:464:3: warning: array subscript has type ‘char’ [-Wchar-subscripts]
  HOSTCC  scripts/kconfig/lxdialog/yesno.o
  HOSTCC  scripts/kconfig/mconf.o
  HOSTLD  scripts/kconfig/mconf
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x31): undefined reference to `wmove'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x4e): undefined reference to `wattrset'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x53): undefined reference to `ncwrap_acs_map'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x65): undefined reference to `waddch'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x7d): undefined reference to `waddnstr'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x91): undefined reference to `wmove'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0xbf): undefined reference to `wattrset'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0xc4): undefined reference to `ncwrap_acs_map'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0xd6): undefined reference to `waddch'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0xdb): undefined reference to `ncwrap_acs_map'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0xed): undefined reference to `waddch'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0xf2): undefined reference to `ncwrap_acs_map'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x104): undefined reference to `waddch'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x109): undefined reference to `ncwrap_acs_map'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x134): undefined reference to `wattrset'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x139): undefined reference to `ncwrap_acs_map'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x14b): undefined reference to `waddch'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x150): undefined reference to `ncwrap_acs_map'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x162): undefined reference to `waddch'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x167): undefined reference to `ncwrap_acs_map'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x179): undefined reference to `waddch'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x17e): undefined reference to `ncwrap_acs_map'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x190): undefined reference to `waddch'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x1ad): undefined reference to `wattrset'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x1b2): undefined reference to `ncwrap_acs_map'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x1c4): undefined reference to `waddch'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x20c): undefined reference to `wattrset'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x220): undefined reference to `wmove'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x23f): undefined reference to `waddch'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x25c): undefined reference to `wmove'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x276): undefined reference to `wattrset'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x2a1): undefined reference to `wprintw'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x2bb): undefined reference to `wattrset'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x2d0): undefined reference to `wmove'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x2e9): undefined reference to `waddch'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x2fe): undefined reference to `wattrset'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x31a): undefined reference to `waddnstr'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x332): undefined reference to `wmove'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x33a): undefined reference to `wrefresh'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x353): undefined reference to `wattrset'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x36f): undefined reference to `waddnstr'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x405): undefined reference to `wmove'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x4db): undefined reference to `ncwrap_stdscr'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x4e3): undefined reference to `getmaxy'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x4f2): undefined reference to `ncwrap_stdscr'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x4fa): undefined reference to `getmaxx'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x523): undefined reference to `ncwrap_COLS'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x53b): undefined reference to `ncwrap_LINES'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x54b): undefined reference to `ncwrap_stdscr'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x591): undefined reference to `newwin'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x5a5): undefined reference to `keypad'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x5f8): undefined reference to `wattrset'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x617): undefined reference to `wmove'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x621): undefined reference to `ncwrap_acs_map'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x637): undefined reference to `waddch'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x653): undefined reference to `ncwrap_acs_map'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x668): undefined reference to `waddch'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x685): undefined reference to `wattrset'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x68a): undefined reference to `ncwrap_acs_map'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x6a0): undefined reference to `waddch'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x6d1): undefined reference to `wattrset'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x734): undefined reference to `subwin'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x748): undefined reference to `keypad'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x8cd): undefined reference to `wnoutrefresh'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x8d9): undefined reference to `wnoutrefresh'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x8de): undefined reference to `doupdate'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x8fa): undefined reference to `wgetch'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x9b9): undefined reference to `doupdate'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x9ce): undefined reference to `delwin'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x9da): undefined reference to `delwin'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0xa6b): undefined reference to `wnoutrefresh'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0xa77): undefined reference to `wrefresh'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0xace): undefined reference to `scrollok'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0xae2): undefined reference to `wscrl'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0xaf6): undefined reference to `scrollok'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0xb4f): undefined reference to `wnoutrefresh'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0xb5b): undefined reference to `wrefresh'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0xb96): undefined reference to `doupdate'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0xc09): undefined reference to `delwin'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0xc15): undefined reference to `delwin'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0xc51): undefined reference to `delwin'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0xc5d): undefined reference to `delwin'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0xc81): undefined reference to `doupdate'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0xcfa): undefined reference to `scrollok'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0xd0e): undefined reference to `wscrl'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0xd22): undefined reference to `scrollok'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0xd87): undefined reference to `wnoutrefresh'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0xd93): undefined reference to `wrefresh'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0xdb3): undefined reference to `doupdate'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0xdf4): undefined reference to `wrefresh'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0xdf9): undefined reference to `doupdate'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x123): undefined reference to `waddch'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x1e4): undefined reference to `waddnstr'
scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x421): undefined reference to `wrefresh'
/usr/lib/gcc/i686-pc-cygwin/4.7.3/../../../../i686-pc-cygwin/bin/ld: scripts/kconfig/lxdialog/checklist.o: bad reloc address 0x20 in section `.eh_frame'
/usr/lib/gcc/i686-pc-cygwin/4.7.3/../../../../i686-pc-cygwin/bin/ld: final link failed: Invalid operation
collect2: error: ld returned 1 exit status
make[1]: *** [scripts/kconfig/mconf] Error 1
make: *** [menuconfig] Error 2

CLi@PC-CLI-1 ~/develop/kernel/linux-2.6.19.1
$

如图:

checklist text 0x31 undefined reference to wmove

即:

scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x31): undefined reference to `wmove’

【解决过程】

1.此人遇到类似问题:

Missing symbols in libncurses?

但是无解。

2.google搜:

cygwin  bad reloc address 0x20 in section

倒是可以搜到很多,但是好像也太大帮助。

3.搜:

cygwin scripts/kconfig/lxdialog/checklist.o:checklist.c

参考:

Re: [arm-gnu] cygwin / arm-none-linux-gnueabi kernel build error

去试试:

make HOST_LOADLIBES="-lcurses -lintl" menuconfig

结果就可以了。

CLi@PC-CLI-1 ~/develop/kernel/linux-2.6.19.1
$ make HOST_LOADLIBES="-lcurses -lintl" menuconfig
  HOSTCC  scripts/basic/fixdep
scripts/basic/fixdep.c: In function ‘parse_config_file’:
scripts/basic/fixdep.c:242:4: warning: array subscript has type ‘char’ [-Wchar-subscripts]
scripts/basic/fixdep.c: In function ‘parse_dep_file’:
scripts/basic/fixdep.c:319:4: warning: array subscript has type ‘char’ [-Wchar-subscripts]
scripts/basic/fixdep.c: In function ‘traps’:
scripts/basic/fixdep.c:371:2: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
scripts/basic/fixdep.c:373:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
  HOSTCC  scripts/basic/docproc
scripts/basic/docproc.c: In function ‘find_export_symbols’:
scripts/basic/docproc.c:188:5: warning: array subscript has type ‘char’ [-Wchar-subscripts]
scripts/basic/docproc.c:191:5: warning: array subscript has type ‘char’ [-Wchar-subscripts]
scripts/basic/docproc.c:197:5: warning: array subscript has type ‘char’ [-Wchar-subscripts]
scripts/basic/docproc.c:200:5: warning: array subscript has type ‘char’ [-Wchar-subscripts]
scripts/basic/docproc.c: In function ‘singfunc’:
scripts/basic/docproc.c:267:17: warning: array subscript has type ‘char’ [-Wchar-subscripts]
scripts/basic/docproc.c: In function ‘parse_file’:
scripts/basic/docproc.c:300:6: warning: array subscript has type ‘char’ [-Wchar-subscripts]
scripts/basic/docproc.c:305:6: warning: array subscript has type ‘char’ [-Wchar-subscripts]
scripts/basic/docproc.c:310:6: warning: array subscript has type ‘char’ [-Wchar-subscripts]
scripts/basic/docproc.c:316:6: warning: array subscript has type ‘char’ [-Wchar-subscripts]
scripts/basic/docproc.c:319:6: warning: array subscript has type ‘char’ [-Wchar-subscripts]
  HOSTLD  scripts/kconfig/mconf
scripts/kconfig/mconf arch/arm/Kconfig

如图:

mconf ld ok

4.说明,此处,还是和之前的:

【已解决】Cygwin下用arm-xscale-linux-gnueabi交叉编译Linux内核在配置时出错:scripts/kconfig/conf.o:conf.c:(.text+0x1f): undefined reference to `libintl_gettext’

类似,是缺少了对应的curses库。

所以,其实,觉得更好的办法,应该是,类似于:

在makefile中,检测到对应的平台是cygwin,然后添加对应的库,才是比较好的。

所以,去看看能否找到更好的解决办法。

然后,针对之前在:

linux-2.6.19.1\scripts\kconfig\Makefile

中添加的:

#ifeq (${OSTYPE},cygwin)
#HOST_LOADLIBES := -lintl
#endif

IS_CYGWIN=$(shell uname | grep -i cygwin > /dev/null 2>&1 && echo yes || echo no)
ifeq ($(IS_CYGWIN),yes)
	HOST_LOADLIBES += -lintl
endif

去分析:

CLi@PC-CLI-1 ~/develop/kernel/linux-2.6.19.1
$ uname | grep -i cygwin
CYGWIN_NT-6.1-WOW64

CLi@PC-CLI-1 ~/develop/kernel/linux-2.6.19.1
$ grep --help
Usage: grep [OPTION]... PATTERN [FILE]...
Search for PATTERN in each FILE or standard input.
PATTERN is, by default, a basic regular expression (BRE).
Example: grep -i 'hello world' menu.h main.c

Regexp selection and interpretation:
  -E, --extended-regexp     PATTERN is an extended regular expression (ERE)
  -F, --fixed-strings       PATTERN is a set of newline-separated fixed strings
  -G, --basic-regexp        PATTERN is a basic regular expression (BRE)
  -P, --perl-regexp         PATTERN is a Perl regular expression
  -e, --regexp=PATTERN      use PATTERN for matching
  -f, --file=FILE           obtain PATTERN from FILE
  -i, --ignore-case         ignore case distinctions
  -w, --word-regexp         force PATTERN to match only whole words
  -x, --line-regexp         force PATTERN to match only whole lines
  -z, --null-data           a data line ends in 0 byte, not newline

Miscellaneous:
  -s, --no-messages         suppress error messages
  -v, --invert-match        select non-matching lines
  -V, --version             print version information and exit
      --help                display this help and exit
      --mmap                ignored for backwards compatibility

Output control:
  -m, --max-count=NUM       stop after NUM matches
  -b, --byte-offset         print the byte offset with output lines
  -n, --line-number         print line number with output lines
      --line-buffered       flush output on every line
  -H, --with-filename       print the filename for each match
  -h, --no-filename         suppress the prefixing filename on output
      --label=LABEL         print LABEL as filename for standard input
  -o, --only-matching       show only the part of a line matching PATTERN
  -q, --quiet, --silent     suppress all normal output
      --binary-files=TYPE   assume that binary files are TYPE;
                            TYPE is `binary', `text', or `without-match'
  -a, --text                equivalent to --binary-files=text
  -I                        equivalent to --binary-files=without-match
  -d, --directories=ACTION  how to handle directories;
                            ACTION is `read', `recurse', or `skip'
  -D, --devices=ACTION      how to handle devices, FIFOs and sockets;
                            ACTION is `read' or `skip'
  -R, -r, --recursive       equivalent to --directories=recurse
      --include=FILE_PATTERN  search only files that match FILE_PATTERN
      --exclude=FILE_PATTERN  skip files and directories matching FILE_PATTERN
      --exclude-from=FILE   skip files matching any file pattern from FILE
      --exclude-dir=PATTERN  directories that match PATTERN will be skipped.
  -L, --files-without-match  print only names of FILEs containing no match
  -l, --files-with-matches  print only names of FILEs containing matches
  -c, --count               print only a count of matching lines per FILE
  -T, --initial-tab         make tabs line up (if needed)
  -Z, --null                print 0 byte after FILE name

Context control:
  -B, --before-context=NUM  print NUM lines of leading context
  -A, --after-context=NUM   print NUM lines of trailing context
  -C, --context=NUM         print NUM lines of output context
  -NUM                      same as --context=NUM
      --color[=WHEN],
      --colour[=WHEN]       use markers to highlight the matching strings;
                            WHEN is `always', `never', or `auto'
  -U, --binary              do not strip CR characters at EOL (MSDOS)
  -u, --unix-byte-offsets   report offsets as if CRs were not there (MSDOS)

`egrep' means `grep -E'.  `fgrep' means `grep -F'.
Direct invocation as either `egrep' or `fgrep' is deprecated.
With no FILE, or when FILE is -, read standard input.  If less than two FILEs
are given, assume -h.  Exit status is 0 if any line was selected, 1 otherwise;
if any error occurs and -q was not given, the exit status is 2.

Report bugs to: bug-grep@gnu.org
GNU Grep home page: <http://www.gnu.org/software/grep/>
General help using GNU software: <http://www.gnu.org/gethelp/>

CLi@PC-CLI-1 ~/develop/kernel/linux-2.6.19.1
$ uname | grep -i cygwin > /dev/null 2>&1 && echo yes || echo no
yes

CLi@PC-CLI-1 ~/develop/kernel/linux-2.6.19.1
$

结果可以看出:

此处,IS_CYGWIN,的确生效了,是yes,所以,之前只加了对应的-lintl,所以此处,可以再去加上对应的-lcurses,应该也可以解决问题。

5.所以去改为:

#ifeq (${OSTYPE},cygwin)
#HOST_LOADLIBES := -lintl
#endif

IS_CYGWIN=$(shell uname | grep -i cygwin > /dev/null 2>&1 && echo yes || echo no)
ifeq ($(IS_CYGWIN),yes)
	HOST_LOADLIBES += -lintl -lcurses
endif

试试,效果也是一样的:

CLi@PC-CLI-1 ~/develop/kernel/linux-2.6.19.1
$ make menuconfig
  HOSTCC  scripts/basic/fixdep
scripts/basic/fixdep.c: In function ‘parse_config_file’:
scripts/basic/fixdep.c:242:4: warning: array subscript has type ‘char’ [-Wchar-subscripts]
scripts/basic/fixdep.c: In function ‘parse_dep_file’:
scripts/basic/fixdep.c:319:4: warning: array subscript has type ‘char’ [-Wchar-subscripts]
scripts/basic/fixdep.c: In function ‘traps’:
scripts/basic/fixdep.c:371:2: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
scripts/basic/fixdep.c:373:4: warning: dereferencing type-punned pointer will break strict-aliasing rules [-Wstrict-aliasing]
  HOSTCC  scripts/basic/docproc
scripts/basic/docproc.c: In function ‘find_export_symbols’:
scripts/basic/docproc.c:188:5: warning: array subscript has type ‘char’ [-Wchar-subscripts]
scripts/basic/docproc.c:191:5: warning: array subscript has type ‘char’ [-Wchar-subscripts]
scripts/basic/docproc.c:197:5: warning: array subscript has type ‘char’ [-Wchar-subscripts]
scripts/basic/docproc.c:200:5: warning: array subscript has type ‘char’ [-Wchar-subscripts]
scripts/basic/docproc.c: In function ‘singfunc’:
scripts/basic/docproc.c:267:17: warning: array subscript has type ‘char’ [-Wchar-subscripts]
scripts/basic/docproc.c: In function ‘parse_file’:
scripts/basic/docproc.c:300:6: warning: array subscript has type ‘char’ [-Wchar-subscripts]
scripts/basic/docproc.c:305:6: warning: array subscript has type ‘char’ [-Wchar-subscripts]
scripts/basic/docproc.c:310:6: warning: array subscript has type ‘char’ [-Wchar-subscripts]
scripts/basic/docproc.c:316:6: warning: array subscript has type ‘char’ [-Wchar-subscripts]
scripts/basic/docproc.c:319:6: warning: array subscript has type ‘char’ [-Wchar-subscripts]
  HOSTLD  scripts/kconfig/mconf
scripts/kconfig/mconf arch/arm/Kconfig

即,无需在命令行中,添加HOST_LOADLIBES参数了。

 

【总结】

此处,在Cygwin下,交叉编译Linux时,用make menuconfig出现:

scripts/kconfig/lxdialog/checklist.o:checklist.c:(.text+0x31): undefined reference to `wmove’

的错误的,

原因是:

缺少了对应的curses库,导致找不到函数而报错。

解决办法是:

在对应的Makefile:

linux-2.6.19.1\scripts\kconfig\Makefile

中,添加对应的库,即从:

IS_CYGWIN=$(shell uname | grep -i cygwin > /dev/null 2>&1 && echo yes || echo no)
ifeq ($(IS_CYGWIN),yes)
	HOST_LOADLIBES += -lintl
endif

变成:

IS_CYGWIN=$(shell uname | grep -i cygwin > /dev/null 2>&1 && echo yes || echo no)
ifeq ($(IS_CYGWIN),yes)
	HOST_LOADLIBES += -lintl -lcurses
endif

即可。



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