gmpxx.h: no such file or directory

Question

I just installed a brand new copy of mingw (32 bit) downloading it from the official project page from Sourceforge. I installed everything in the package, all compilers and

Answer 1

If you are building gmp from source, you need to add the --enable-cxx flag to the configure command.

Answer 2

You can also copy that to the path"/usr/include/", the system will find it.

Answer 3

gmpxx.h header file is included in the libgmp-dev package

You can install it on Ubuntu based machines with this command:

$ sudo apt-get install libgmp-dev

Answer 4

You need to make sure the is among the directories searched for headers. Find the place where the gmpxx.h header resides and add -I /path/to/header/ on your g++ line.