Separate compiling from linking
Separate compiling from linking

This helps users understand where possible warnings come from.
It also allows more find-grained control over the build flags.

HolyShitMan/libnl-1,geekboxzone/mmallow_external_libnl,teto/libnl_old,thiz11/platform_external_libnl,karlhiramoto/libnl,yinquan529/platform-external-libnl,thom311/libnl,congwang/libnl,android-ia/platform_external_libnl,kolyshkin/libnl,baloo/libnl,gxk/libnl,vyos/libnl3,geekboxzone/mmallow_external_libnl,tklauser/libnl,Distrotech/libnl,bcopeland/android_libnl,CyanogenMod/android_external_libnl,kolyshkin/libnl,cfriedt/libnl,honsys/libnl,Distrotech/libnl,dsahern/libnl,greearb/libnl-ct,xin3liang/platform_external_libnl,socketpair/libnl,houstar/libnl,UnicronNL/libnl3,thom311/libnl,mshirley/libnl,congwang/libnl,cyclops8456/libnl3,vyos/libnl3,mshirley/libnl,karlhiramoto/libnl,android-ia/platform_external_libnl,tklauser/libnl,houstar/libnl,socketpair/libnl,thom311/libnl,geekboxzone/lollipop_external_libnl,UnicronNL/libnl3,congwang/libnl,dsahern/libnl,kolyshkin/libnl,UnicronNL/libnl3,dsahern/libnl,cfriedt/libnl,Distrotech/libnl,honsys/libnl,honsys/libnl,dsahern/libnl,claudelee/libnl,xin3liang/platform_external_libnl,Omegaphora/external_libnl,congwang/libnl,geekboxzone/lollipop_external_libnl,baloo/libnl,UnicronNL/libnl3,mshirley/libnl,teto/libnl_old,honsys/libnl,baloo/libnl,Omegaphora/external_libnl,mshirley/libnl,gxk/libnl,socketpair/libnl,CyanogenMod/android_external_libnl,teto/libnl_old,kolyshkin/libnl,tklauser/libnl,HolyShitMan/libnl-1,chitranshi/libnl,chitranshi/libnl,cfriedt/libnl,houstar/libnl,baloo/libnl,cyclops8456/libnl3,karlhiramoto/libnl,houstar/libnl,tgraf/libnl,tgraf/libnl,greearb/libnl-ct,karlhiramoto/libnl,gxk/libnl,yinquan529/platform-external-libnl,Distrotech/libnl,HolyShitMan/libnl-1,claudelee/libnl,cyclops8456/libnl3,HolyShitMan/libnl-1,vyos/libnl3,cyclops8456/libnl3,greearb/libnl-ct,chitranshi/libnl,tklauser/libnl,vyos/libnl3,claudelee/libnl,bcopeland/android_libnl,chitranshi/libnl,claudelee/libnl,tgraf/libnl,thiz11/platform_external_libnl,teto/libnl_old,tgraf/libnl,cfriedt/libnl