Mr. Hart,
May I ask a follow-up question then? I did the same things on my Mac OS
desktop as on my Ubuntu laptop, same g++ command (for compiling the same
cpp file), same configure command (for installing mpir). Well, I didn't
have to manually install m4 on my Mac OS while I had to do it on my Ubuntu
as you advised earlier. So I suppose m4 was pre-installed on Mac OS. Yet
I encountered no compiling issues on the Mac OS like the ones on the
Ubuntu. Any insight on this?
With regard to your latest reply, I didn't pass --enable-gmpcompat to
configure. Must I do this? I just sort of thought since I didn't do it on
my Mac OS and it worked, I probably could repeat it on my Ubuntu. I need
some more detailed instructions on how to accomplish what you mentioned in
your reply. Sorry I'm a newbie on this. After mpir installation on my
Ubuntu computer, the relevant header files are in the default
/usr/local/include/ and the libraries are in the default /usr/local/lib/.
Based on your reply, I'm guessing here's what I need to do. FIrst,
configure and install mpir again with
./configure --with-yasm=/usr/local/bin/yasm --enable-cxx
-enable-gmpcompat
Then in my source code, instead of #include <mpir.h> directive, I should put
#include "/usr/local/include/mpir.h"
#include "/usr/local/include/gmp.h"
And I'm lost on the proper g++ command.
Please enlighten me. Thank you so much for your time.
On Monday, February 19, 2018 at 12:38:23 PM UTC-8, Bill Hart wrote:
>
> You need to give the location of the .h files (mpir.h or gmp.h if you pass
> --enable-gmpcompat to configure). For this you must use the -I directive to
> gcc. You also need to tell it where to find the library, with the -L
> directive. These are always required when linking against libraries.
>
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