我正在交叉编译 cscope，但很惊讶失败了。但是，我成功构建 ctags 没有错误，那么为什么 cscope 构建失败？
错误信息如下：
`sh cflags "optimize='-O2'" doop.o` doop.c
CCCMD = cc -DPERL_CORE -c -fno-strict-aliasing -pipe -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -std=c89 -O2 -Wall -ansi -pedantic -W -Wextra -Wdeclaration-after-statement -Wendif-labels -Wc++-compat -DPERL_GCC_PEDANTIC
`sh cflags "optimize='-O2'" doio.o` doio.c
CCCMD = cc -DPERL_CORE -c -fno-strict-aliasing -pipe -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -std=c89 -O2 -Wall -ansi -pedantic -W -Wextra -Wdeclaration-after-statement -Wendif-labels -Wc++-compat -DPERL_GCC_PEDANTIC
`sh cflags "optimize='-O2'" regexec.o` regexec.c
CCCMD = cc -DPERL_CORE -c -fno-strict-aliasing -pipe -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -std=c89 -O2 -Wall -ansi -pedantic -W -Wextra -Wdeclaration-after-statement -Wendif-labels -Wc++-compat -DPERL_GCC_PEDANTIC
`sh cflags "optimize='-O2'" utf8.o` utf8.c
CCCMD = cc -DPERL_CORE -c -fno-strict-aliasing -pipe -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -std=c89 -O2 -Wall -ansi -pedantic -W -Wextra -Wdeclaration-after-statement -Wendif-labels -Wc++-compat -DPERL_GCC_PEDANTIC
`sh cflags "optimize='-O2'" taint.o` taint.c
CCCMD = cc -DPERL_CORE -c -fno-strict-aliasing -pipe -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -std=c89 -O2 -Wall -ansi -pedantic -W -Wextra -Wdeclaration-after-statement -Wendif-labels -Wc++-compat -DPERL_GCC_PEDANTIC
`sh cflags "optimize='-O2'" deb.o` deb.c
CCCMD = cc -DPERL_CORE -c -fno-strict-aliasing -pipe -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -std=c89 -O2 -Wall -ansi -pedantic -W -Wextra -Wdeclaration-after-statement -Wendif-labels -Wc++-compat -DPERL_GCC_PEDANTIC
`sh cflags "optimize='-O2'" universal.o` universal.c
CCCMD = cc -DPERL_CORE -c -fno-strict-aliasing -pipe -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -std=c89 -O2 -Wall -ansi -pedantic -W -Wextra -Wdeclaration-after-statement -Wendif-labels -Wc++-compat -DPERL_GCC_PEDANTIC
`sh cflags "optimize='-O2'" xsutils.o` xsutils.c
CCCMD = cc -DPERL_CORE -c -fno-strict-aliasing -pipe -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -std=c89 -O2 -Wall -ansi -pedantic -W -Wextra -Wdeclaration-after-statement -Wendif-labels -Wc++-compat -DPERL_GCC_PEDANTIC
`sh cflags "optimize='-O2'" generate_uudmap.o` generate_uudmap.c
CCCMD = cc -DPERL_CORE -c -fno-strict-aliasing -pipe -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -std=c89 -O2 -Wall -ansi -pedantic -W -Wextra -Wdeclaration-after-statement -Wendif-labels -Wc++-compat -DPERL_GCC_PEDANTIC
mips-openwrt-linux-uclibc-gcc -o generate_uudmap -L/usr/local/lib generate_uudmap.o -lnsl -ldl -lm -lcrypt -lutil -lc
/home/mirror0/sdk/sdk/staging_dir/toolchain-mips_gcc-4.3.3+cs_uClibc-0.9.30.1/bin/../lib/gcc/mips-openwrt-linux-uclibc/4.3.3/../../../../mips-openwrt-linux-uclibc/bin/ld: generate_uudmap.o: Relocations in generic ELF (EM: 62)
/home/mirror0/sdk/sdk/staging_dir/toolchain-mips_gcc-4.3.3+cs_uClibc-0.9.30.1/bin/../lib/gcc/mips-openwrt-linux-uclibc/4.3.3/../../../../mips-openwrt-linux-uclibc/bin/ld: generate_uudmap.o: Relocations in generic ELF (EM: 62)
generate_uudmap.o: could not read symbols: File in wrong format
collect2: ld returned 1 exit status
make[4]: *** [generate_uudmap] Error 1
make[4]: Leaving directory `/home/mirror0/sdk/sdk/build_dir/target-mips_uClibc-0.9.30.1/perl'
make[3]: *** [/home/mirror0/sdk/sdk/build_dir/target-mips_uClibc-0.9.30.1/perl/.built] Error 2
make[3]: Leaving directory `/home/mirror0/sdk/sdk/package/perl'
make[2]: *** [package/perl/compile] Error 2
make[2]: Leaving directory `/home/mirror0/sdk/sdk'
make[1]: *** [/home/mirror0/sdk/sdk/staging_dir/target-mips_uClibc-0.9.30.1/stamp/.package_compile] Error 2
make[1]: Leaving directory `/home/mirror0/sdk/sdk'
make: *** [world] Error 2
real 0m51.846s
user 1m27.489s
sys 0m38.462s