编译binutils-2.15.91.0.2失败了，编译记录如下 ，在线等，请大家帮个忙吧

echo

make[3]: Leaving directory `/usr/lfs/static/src/binutils-2.15.91.0.2/binutils/doc'
Making all in po
make[3]: Entering directory `/usr/lfs/static/src/binutils-2.15.91.0.2/binutils/po'
make[3]: Nothing to be done for `all'.
make[3]: Leaving directory `/usr/lfs/static/src/binutils-2.15.91.0.2/binutils/po'
make[3]: Entering directory `/usr/lfs/static/src/binutils-2.15.91.0.2/binutils'
/bin/sh ./libtool --mode=link gcc -s -W -Wall -Wstrict-prototypes -Wmissing-prototypes -g -O2   -o ar  arparse.o arlex.o ar.o not-ranlib.o arsup.o rename.o binemul.o emul_vanilla.o bucomm.o version.o filemode.o ../bfd/libbfd.la ../libiberty/libiberty.a   -ldl
gcc -s -W -Wall -Wstrict-prototypes -Wmissing-prototypes -g -O2 -o ar arparse.o arlex.o ar.o not-ranlib.o arsup.o rename.o binemul.o emul_vanilla.o bucomm.o version.o filemode.o  ../bfd/.libs/libbfd.a ../libiberty/libiberty.a -ldl
arlex.o(.text+0x0): In function `main':
/usr/lfs/static/src/binutils-2.15.91.0.2/binutils/arlex.c:1: multiple definition of `main'
arparse.o(.text+0x0):/usr/lfs/static/src/binutils-2.15.91.0.2/binutils/arparse.c:1: first defined here
ar.o(.text+0x670): In function `main':
/usr/lfs/static/src/binutils-2.15.91.0.2/binutils/ar.c:342: multiple definition of `main'
arparse.o(.text+0x0):/usr/lfs/static/src/binutils-2.15.91.0.2/binutils/arparse.c:1: first defined here
/usr/bin/ld: Warning: size of symbol `main' changed from 15 in arparse.o to 1899 in ar.o
bucomm.o(.text+0xa09): In function `make_tempname':
/usr/lfs/static/src/binutils-2.15.91.0.2/binutils/bucomm.c:425: warning: the use of `mktemp' is dangerous, better use `mkstemp'
ar.o(.text+0x24): In function `mri_emul':
/usr/lfs/static/src/binutils-2.15.91.0.2/binutils/ar.c:148: undefined reference to `yyparse'
collect2: ld returned 1 exit status
make[3]: *** [ar] Error 1
make[3]: Leaving directory `/usr/lfs/static/src/binutils-2.15.91.0.2/binutils'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/usr/lfs/static/src/binutils-2.15.91.0.2/binutils'
make[1]: *** [all-recursive-am] Error 2
make[1]: Leaving directory `/usr/lfs/static/src/binutils-2.15.91.0.2/binutils'
make: *** [all-binutils] Error 2

可能是有些库没有安装全，我使用debian系统来编译LFS，

ahr

/usr/lfs/static/src/binutils-2.15.91.0.2/binutils/ar.c:148: undefined reference to `yyparse'
从这句看,可能是因为你的系统没有装Bison

ahr

我在cygwin下交叉编译binutils的时候遇到同样问题，原因是我没有用一个单独的目录而是在源程序目录编译了

echo

Post by ahr
我在cygwin下交叉编译binutils的时候遇到同样问题，原因是我没有用一个单独的目录而是在源程序目录编译了

在源程序目录和单独的目录编译有什么区别？