I'm trying to cross compile StrongSwan package on Ubuntu for Synology NAS using official Synology toolchain.

Host:

hostname = ubuntu

uname -m = i686

uname -r = 3.8.0-32-generic

uname -s = Linux



Target:

Synology:

- model DS213+

- CPU: Freescale QorIQ P1022

- Arch: PowerPC

- Endianness: Big Endian

- Linux 2.6.32

- uname -a:

Linux LupoDiskStation 2.6.32.12 #3776 SMP Sat Aug 17 02:11:24 CST 2013 ppc

GNU/Linux synology_qoriq_213+

When I run ./configure, I get error:

configure: error: GNU Multi Precision library gmp not found

Configure command:

env CC=/usr/local/powerpc-none-linux-gnuspe/bin/powerpc-none-linux-gnuspe-gcc 

LD=/usr/local/powerpc-none-linux-gnuspe/bin/powerpc-none-linux-gnuspe-ld  

RANLIB=/usr/local/powerpc-none-linux-gnuspe/bin/powerpc-none-linux-gnuspe-ranlib  

CFLAGS="-I/usr/local/powerpc-none-linux-gnuspe/include -mcpu=8548 -mhard-float -mfloat-gprs=double"  

LDFLAGS="-L/usr/local/powerpc-none-linux-gnuspe/lib"  

./configure  

--host=powerpc-unknown-linux  

--target=powerpc-unknown-linux  

--build=i686-pc-linux  

--prefix=/usr/local

If I run ./configure without extra parameters (with ubuntu gcc), I get no errors.
I can also successfully compile helloworld.c with synology toolchain.

I've following GMP packages installed:

dpkg --get-selections | grep gmp

gmpc                        install

gmpc-data                   install

gmpc-dev                    install

libgmp-dev                  install

libgmp10                    install

libgmp3-dev                 install

libgmp3c2                   install

libgmpada2                  install

libgmpxx4ldbl                   install

Header file is under /usr/include/gmp.h.

Any idea how to include that gmp.h ?