error while installing binutils.

[SPJ Systems]

Kind attention:	Jani Monoses


I am trying to port eCos on to philips lpc2138 and i'm using windows as
host machine OS. The Cygwin has been installed and all the arm-elf 
(gcc-2.95, gdb-5.0,binutils-2.15,newlib-1.12.0) are being extracted to 
the respective dir.

    $ mkdir /src/binutils /src/gcc /src/gdb /src/newlib
    $ cd /src/binutils
           gunzip < binutils-2.15.tar.gz | tar xvf -
    in similar way all the other tool chains extracted

The tmp has been mounted as binary mode.

while building tool chain, i did following steps

   export MAKE_MODE=UNIX

1. GNU binary lib configuration:
		mkdir -p /tools
	mkdir -p /tmp/build/binutils
		/src/binutils/binutils-2.10.1/configure 		--target=arm-elf \
       		--prefix=/tools \
       		--exec-prefix=/tools/H-i686-pc-cygwin \
    		-v 2>&1 | tee configure.out

	make -w all install 2>&1 | tee make.out

at this step some error has occured like:	
                line:4417:  flex command not found
                line:4505:  lex command not found
             cannot found output from lex; giving up
             error1
             leaving directory: '/tmp/build/binutils'

The error part of 'make.out' file is copied below also the same is 
attached with this mail.
Please try to help me,
waiting for a positive reply.

with regards
Gopesh Warrier
SPJ Systems, Pune; India
  ====================================================================

checking for executable suffix... (cached) .exe
checking for bison... no
checking for byacc... no
checking for flex... no
checking for lex... no
/src/binutils/binutils-2.15/ld/configure: line 4417: flex: command not found
checking for flex... lex
checking for yywrap in -ll... no
checking lex output file root... 
/src/binutils/binutils-2.15/ld/configure: line 4505: lex: command not found
configure: error: cannot find output from lex; giving up
make: *** [configure-ld] Error 1
make: Leaving directory `/tmp/build/binutils'

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