编译Modutils-2.4.21时出错

ralph_cheng

出错信息：
root:/lfs/modutils-2.4.19# make
make[1]: Entering directory `/mnt/download/lfs/modutils-2.4.19/util'
make[1]: Nothing to be done for `all'.
make[1]: Leaving directory `/mnt/download/lfs/modutils-2.4.19/util'
make[1]: Entering directory `/mnt/download/lfs/modutils-2.4.19/obj'
make[1]: Nothing to be done for `all'.
make[1]: Leaving directory `/mnt/download/lfs/modutils-2.4.19/obj'
make[1]: Entering directory `/mnt/download/lfs/modutils-2.4.19/insmod'
make[1]: Nothing to be done for `all'.
make[1]: Leaving directory `/mnt/download/lfs/modutils-2.4.19/insmod'
make[1]: Entering directory `/mnt/download/lfs/modutils-2.4.19/genksyms'
gcc -O2 -Wall -Wno-uninitialized -I. -I. -I./../include -D_GNU_SOURCE  -DCONFIG_ROOT_CHECK_OFF=0   -c -o lex.o lex.c
lex.l: In function `yylex':
lex.l:429: `yytext_ptr' undeclared (first use in this function)
lex.l:429: (Each undeclared identifier is reported only once
lex.l:429: for each function it appears in.)
make[1]: *** [lex.o] Error 1
make[1]: Leaving directory `/mnt/download/lfs/modutils-2.4.19/genksyms'
make: *** [all] Error 2

我装的flex是2.5.4a的，我该怎么办呢

ralph_cheng

应该不是缺什么东西吧