# Weird 64 bit ruby error

**URL:** <https://www.ruby-forum.com/t/weird-64-bit-ruby-error/141367>\
**Category:** Rails\
**Created:** [June 25, 2008, 2:45am UTC](https://www.ruby-forum.com/t/weird-64-bit-ruby-error/141367 "2008-06-25T02:45:39Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![ADADAD](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/85e7bf/32.png) [@ADADAD](https://www.ruby-forum.com/u/ADADAD)\
**Post date:** [June 25, 2008, 2:45am UTC](https://www.ruby-forum.com/t/weird-64-bit-ruby-error/141367/1 "2008-06-25T02:45:39Z")

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Hello,

I am trying to build ruby 1.8.6 on my RHEL 5 64bit Intel box for a  
rails  
application server. When trying to build readline I get the following  
error  
, any ideas ?

/usr/bin/ld: skipping incompatible /usr/lib/libncurses.so when searching  
for  
-lncurses  
/usr/bin/ld: skipping incompatible /usr/lib/libncurses.a when searching  
for  
-lncurses  
/usr/bin/ld: skipping incompatible /usr/lib/libdl.so when searching for  
-ldl  
/usr/bin/ld: skipping incompatible /usr/lib/libdl.a when searching for  
-ldl  
/usr/bin/ld: skipping incompatible /usr/lib/libcrypt.so when searching  
for  
-lcrypt  
/usr/bin/ld: skipping incompatible /usr/lib/libcrypt.a when searching  
for  
-lcrypt  
/usr/bin/ld: skipping incompatible /usr/lib/libm.so when searching for  
-lm  
/usr/bin/ld: skipping incompatible /usr/lib/libm.a when searching for  
-lm  
/usr/bin/ld: skipping incompatible /usr/lib/libc.so when searching for  
-lc  
/usr/bin/ld: skipping incompatible /usr/lib/libc.a when searching for  
-lc  
/usr/bin/ld: skipping incompatible /usr/lib/libc.so when searching for  
-lc

Thx  
Adam