Re: HELP: About cross-compile net-snmp to uclinux of ARM platform

Dear Kelby,
    Actually,i have done that you suggested.I run ./configure in the root of the net-snmp package with cross-compile options.When make,error occurs.It is as below:
   
  #make distclean
  #CC=arm-elf-gcc LDFLAGS="-static -Wl,-elf2flt /usr/local/uClinux-dist/lib/uClibc/lib/crt0.o /usr/local/uClinux-dist/lib/uClibc/lib/crti.o /usr/local/uClinux-dist/lib/uClibc/lib/crtn.o -L/usr/local/uClinux-dist/uClibc/lib/. -L/usr/local/uClinux-dist/uClibc/lib/ -L/usr/local/uClinux-dist/lib/libm -L/usr/local/uClinux-dist/lib/libnet -L/usr/local/uClinux-dist/lib/libdes -L/usr/local/uClinux-dist/lib/libaes -L/usr/local/uClinux-dist/lib/libpcap -L/usr/local/uClinux-dist/lib/libssl -L/usr/local/uClinux-dist/lib/libzlib -L/usr/local/uClinux-dist/lib/libcrypt_old -lcrypt -lc" CFLAGS="-O2 -g -fomit-frame-pointer -Dlinux -D__linux__ -Dunix -D__uClinux__ -DEMBED -I/usr/local/uClinux-dist/uClibc/include -I/usr/local/uClinux-dist/uClibc/lib/libm -I/usr/local/uClinux-dist/uClibc/lib/libcrypt_old -I/usr/local/uClinux-dist -fno-builtin -nostartfiles -I/usr/local/uClinux-dist/linux-2.4.x/include "  ./configure --host=armv-elf-linux-gnu --with-endianness=little --prefix=/
 --datadir=/etc/config --sysconfdir=/etc/config --disable-FEATURE --enable-mini-agent --disable-applications --disable-manuals --disable-scripts  --disable-snmptrapd-subagent --disable-debugging  --with-logfile="/var" --with-out-mib-modules="snmpv3mibs ucd_snmp notification utilities target"
  #make
  ........
  /usr/local/arm-elf/lib/libc.a(__uClibc_main.o)(.text+0xf8):In function '__uClibc_start_main':undefined reference to 'main'.
  collect2:ld returned 1 exit status.
   
  What is wrong?How to correct it?
  Additionaly,i find the makefiles built by ./configure is much different from those ones contained in the uClinux's net-snmp package.Why?How were they bulit?
  I nearly fall into despair,and thanks very much for your help.
   
  Best regards,
  Jin Zhou
  

Kelby Rogers <[email protected]> 写道：
  Hi Jin,

I suggest you try and maintain the uclinux build process where possible, and adapt my ./configure options in my Makefile to get you cross compiling version 5.4 for the ARM platform.

Regards,
Kelby Rogers

jin zhou wrote:       Dear Kelby,
    Thank you very much for your help.
    I have read the documentations of buildroot carefully and downloaded it.When make,i find it will download all packages from ftp,it is so slow.And unluckily,it stopped because my gcc version is too old.
    Moreover,i have a lot of warriors.In my comprehension,the buildroot will build the romfs which uclinux need and build itself by "make romfs",so the romfs from buildroot will replace the origin romfs built by uclinux.Is it right?If so ,can they cooperate all right?

Kelby Rogers <[email protected]> 写道：
  Hi jin,

I have attached my Makefile as a reference for you to get your cross-compile working. I haven't needed to modify my config.in file from the default that comes with buildroot, which is available here:

http://buildroot.uclibc.org/cgi-bin/viewcvs.cgi/trunk/buildroot/package/netsnmp/Config.in?rev=9617&view=markup

Hope this helps.

Regards,
Kelby Rogers


  
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