On Fri, 18 Mar 2016, Frank Chang wrote:

> 3. Build it for AMD64 , output 64 bit libcurl.so and headers to /home/frank
> 4. Build it for i386 , output 32 bit libcurl.so and headers to /home/frank

As they use the same file names, step 4 would overwrite most of the files from
step 3.

> ../include/curl/curlrules.h:142:3: error: size of array '__curl_rule_01__' is negative
> __curl_rule_01__

This looks like you didn't run configure?

> I would like to know how to setup and maintain parallel 64 bit and 32 bit
> development packages which both stay intact simultaneously.

I finally wrote up a FAQ entry for this question:

   https://curl.haxx.se/docs/faq.html#Install_libcurl_for_both_32bit_a

-- 
  / daniel.haxx.se
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