OK, problem solved :)
Now I am facing outdated libraries (or wrong bit size) on my system :(
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/usr/lib64/gcc/x86_64-suse-linux/4.7/../../../../x86_64-suse-linux/bin/ld:
skipping incompatible /usr/lib/libdl.so when searching for -ldl
/usr/lib64/gcc/x86_64-suse-linux/4.7/../../../../x86_64-suse-linux/bin/ld:
skipping incompatible /usr/lib/libgmp.so when searching for -lgmp
/usr/lib64/gcc/x86_64-suse-linux/4.7/../../../../x86_64-suse-linux/bin/ld:
skipping incompatible /usr/lib/libgmp.a when searching for -lgmp
/usr/lib64/gcc/x86_64-suse-linux/4.7/../../../../x86_64-suse-linux/bin/ld:
skipping incompatible /usr/lib/libm.so when searching for -lm
/usr/lib64/gcc/x86_64-suse-linux/4.7/../../../../x86_64-suse-linux/bin/ld:
skipping incompatible /lib/libncurses.so.5 when searching for
/lib/libncurses.so.5
/usr/lib64/gcc/x86_64-suse-linux/4.7/../../../../x86_64-suse-linux/bin/ld:
cannot find /lib/libncurses.so.5
/usr/lib64/gcc/x86_64-suse-linux/4.7/../../../../x86_64-suse-linux/bin/ld:
skipping incompatible /usr/lib/libtinfo.so when searching for -ltinfo
/usr/lib64/gcc/x86_64-suse-linux/4.7/../../../../x86_64-suse-linux/bin/ld:
skipping incompatible /usr/lib/libtinfo.a when searching for -ltinfo
/usr/lib64/gcc/x86_64-suse-linux/4.7/../../../../x86_64-suse-linux/bin/ld:
skipping incompatible /usr/lib/libc.so when searching for -lc
collect2: error: ld returned 1 exit status
make[1]: *** [gretlcli] Error 1
make[1]: Leaving directory `/home/helio/gretl/cli'
make: *** [cli] Error 2
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I will try to reinstall all those libs.
Wish me luck ;)
Hélio