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

I have seen several combinations of configure flags that cause compilation
errors.  Have you tried simplifying the option list down to bare minimum and
then compiling
 
For example - remove static, miniagent, ...

  _____  

From: [email protected]
[mailto:[email protected]] On Behalf Of jin zhou
Sent: Wednesday, March 28, 2007 1:59 PM
To: Kelby Rogers
Cc: [email protected]
Subject: 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  <mailto:[email protected]> <[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/nets
nmp/Config.in?rev=9617
<http://buildroot.uclibc.org/cgi-bin/viewcvs.cgi/trunk/buildroot/package/net
snmp/Config.in?rev=9617&view=markup> &view=markup

Hope this helps.

Regards,
Kelby Rogers




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