I'm using 1.2.6 on ubuntu 12.04 LTS 64bit, php5 5.3.10 package version
After downloading master through git, I can't upgrade it owing to the following error, so I returned to 1.2.6.
Phalcon's path is /usr/local/src/git/cphalcon.
Why cannot I upgrade?
config.status: executing libtool commands
/bin/bash /usr/local/src/git/cphalcon/build/64bits/libtool --mode=compile gcc -I. -I/usr/local/src/git/cphalcon/build/64bits -DPHP_ATOM_INC -I/usr/local/src/git/cphalcon/build/64bits/include -I/usr/local/src/git/cphalcon/build/64bits/main -I/usr/local/src/git/cphalcon/build/64bits -I/usr/include/php5 -I/usr/include/php5/main -I/usr/include/php5/TSRM -I/usr/include/php5/Zend -I/usr/include/php5/ext -I/usr/include/php5/ext/date/lib -DPHALCON_RELEASE -DHAVE_CONFIG_H -march=native -mtune=native -O2 -finline-functions -fomit-frame-pointer -fvisibility=hidden -c /usr/local/src/git/cphalcon/build/64bits/phalcon.c -o phalcon.lo
libtool: compile: gcc -I. -I/usr/local/src/git/cphalcon/build/64bits -DPHP_ATOM_INC -I/usr/local/src/git/cphalcon/build/64bits/include -I/usr/local/src/git/cphalcon/build/64bits/main -I/usr/local/src/git/cphalcon/build/64bits -I/usr/include/php5 -I/usr/include/php5/main -I/usr/include/php5/TSRM -I/usr/include/php5/Zend -I/usr/include/php5/ext -I/usr/include/php5/ext/date/lib -DPHALCON_RELEASE -DHAVE_CONFIG_H -march=native -mtune=native -O2 -finline-functions -fomit-frame-pointer -fvisibility=hidden -c /usr/local/src/git/cphalcon/build/64bits/phalcon.c -fPIC -DPIC -o .libs/phalcon.o
/tmp/cc21SKQq.s: Assembler messages:
/tmp/cc21SKQq.s:281819: Error: no such instruction: `vfmadd312sd .LC2006(%rip),%xmm0,%xmm1'
make: *** [phalcon.lo] Error 1