Do not use GCC __sync spinlocks if GCC version is less than 4.1. This fixes a compilation problem on Ubuntu 6.06 LTS.
Do not use GCC __sync spinlocks if GCC version is less than 4.1. This fixes a compilation problem on Ubuntu 6.06 LTS.

cgvarela/passenger,erikogan/passenger,kewaunited/passenger,bf4/passenger,phusion/passenger,openSUSE/passenger,jawj/passenger,erikogan/passenger,erikogan/passenger,openSUSE/passenger,gravitystorm/passenger,antek-drzewiecki/passenger,openSUSE/passenger,pkmiec/passenger,openSUSE/passenger,fabiokung/passenger-debian,kewaunited/passenger,gravitystorm/passenger,openSUSE/passenger,bf4/passenger,clemensg/passenger,jawj/passenger,erikogan/passenger,antek-drzewiecki/passenger,clemensg/passenger,kewaunited/passenger,antek-drzewiecki/passenger,clemensg/passenger,antek-drzewiecki/passenger,clemensg/passenger,clemensg/passenger,pkmiec/passenger,antek-drzewiecki/passenger,phusion/passenger,cgvarela/passenger,kewaunited/passenger,pkmiec/passenger,bf4/passenger,fabiokung/passenger-debian,jawj/passenger,pkmiec/passenger,clemensg/passenger,erikogan/passenger,cgvarela/passenger,gravitystorm/passenger,fabiokung/passenger-debian,cgvarela/passenger,gravitystorm/passenger,fabiokung/passenger-debian,phusion/passenger,cgvarela/passenger,antek-drzewiecki/passenger,pkmiec/passenger,cgvarela/passenger,kewaunited/passenger,openSUSE/passenger,jawj/passenger,bf4/passenger,phusion/passenger,kewaunited/passenger,jawj/passenger,erikogan/passenger,fabiokung/passenger-debian,phusion/passenger,cgvarela/passenger,pkmiec/passenger,antek-drzewiecki/passenger,clemensg/passenger,phusion/passenger,cgvarela/passenger,jawj/passenger,antek-drzewiecki/passenger,jawj/passenger,gravitystorm/passenger,bf4/passenger,kewaunited/passenger,bf4/passenger,clemensg/passenger,kewaunited/passenger,pkmiec/passenger,phusion/passenger,bf4/passenger,gravitystorm/passenger,fabiokung/passenger-debian,phusion/passenger