Dependency issue when following instructions on Amazon Linux

[Joseffb]

I get this error when I try to install hiphop

Finished Dependency Resolution
Error: Package: php52-cli-5.2.17-6.ius.el5.x86_64 (ius)
Requires: libcurl.so.3()(64bit)
Error: Package: hiphop-php-1.1-1.el5.x86_64 (hphp)
Requires: libc-client.so.1()(64bit)
Error: Package: hiphop-php-1.1-1.el5.x86_64 (hphp)
Requires: oniguruma-devel >= 5.9.2
Available: oniguruma-devel-5.9.1-3.1.2.amzn1.x86_64 (amzn-main)
oniguruma-devel = 5.9.1-3.1.2.amzn1
Error: Package: hiphop-php-1.1-1.el5.x86_64 (hphp)
Requires: libmemcached.so.5()(64bit)
Error: Package: hiphop-php-1.1-1.el5.x86_64 (hphp)
Requires: libboost_program_options.so.1.44.0()(64bit)
Error: Package: hiphop-php-1.1-1.el5.x86_64 (hphp)
Requires: oniguruma >= 5.9.2
Available: oniguruma-5.9.1-3.1.2.amzn1.i686 (amzn-main)
oniguruma = 5.9.1-3.1.2.amzn1
Error: Package: hiphop-php-1.1-1.el5.x86_64 (hphp)
Requires: libboost_filesystem.so.1.44.0()(64bit)
Error: Package: hiphop-php-1.1-1.el5.x86_64 (hphp)
Requires: libboost_system.so.1.44.0()(64bit)
Error: Package: php52-5.2.17-6.ius.el5.x86_64 (ius)
Requires: libcurl.so.3()(64bit)