交叉编译gdb出错
=== configuring in build-gnulib (/home/yangzhiju/gdb/gdb-7.9/gdb/build-gnulib)
configure: running /bin/sh .././gnulib/configure --disable-option-checking '--prefix=/home/yangzhiju/gdb/gdb-7.9/../gdb-7.9/_install' '--with-system-zlib' '--without-x' '--disable-gdbtk' '--disable-tui' '--without-included-regex' '--without-included-gettext' '--program-transform-name=s,y,y,' '--build=i686-pc-linux-uclibc' '--host=arm-hismall-linux' '--target=arm-hismall-linux' 'build_alias=i686-pc-linux-uclibc' 'host_alias=arm-hismall-linux' 'target_alias=arm-hismall-linux' 'CC=arm-hismall-linux-gcc' 'CFLAGS=-g -O2' 'LDFLAGS= -L/home/yangzhiju/gdb/gdb-7.9/../gdb-9.7/lib' 'MAKEINFO=/home/yangzhiju/gdb/gdb-7.9/missing makeinfo --split-size=5000000' 'YACC=/home/yangzhiju/gdb/gdb-7.9/missing bison -y' --cache-file=./config.cache --srcdir=.././gnulib
configure: loading cache ./config.cache
configure: error: `LDFLAGS' has changed since the previous run:
configure: former value: ` '
configure: current value: ` -L/home/yangzhiju/gdb/gdb-7.9/../gdb-9.7/lib'
configure: error: in `/home/yangzhiju/gdb/gdb-7.9/gdb/build-gnulib':
configure: error: changes in the environment can compromise the build
configure: error: run `make distclean' and/or `rm ./config.cache' and start over
configure: error: .././gnulib/configure failed for build-gnulib
make[1]: *** [configure-gdb] Error 1
make[1]: Leaving directory `/home/yangzhiju/gdb/gdb-7.9'
make: *** [all] Error 2
这是什么问题 该怎么解决 谢谢!