Only use pkg-config if grpc is installed
Only use pkg-config if grpc is installed

Crevil/grpc,greasypizza/grpc,tamihiro/grpc,xtopsoft/grpc,miselin/grpc,yongni/grpc,fichter/grpc,geffzhang/grpc,MakMukhi/grpc,kumaralokgithub/grpc,kpayson64/grpc,deepaklukose/grpc,dgquintas/grpc,bogdandrutu/grpc,w4-sjcho/grpc,doubi-workshop/grpc,kumaralokgithub/grpc,kskalski/grpc,tempbottle/grpc,podsvirov/grpc,PeterFaiman/ruby-grpc-minimal,larsonmpdx/grpc,dgquintas/grpc,grpc/grpc,arkmaxim/grpc,pmarks-net/grpc,ksophocleous/grpc,thinkerou/grpc,mehrdada/grpc,jcanizales/grpc,ncteisen/grpc,ncteisen/grpc,fichter/grpc,LuminateWireless/grpc,baylabs/grpc,ananthonline/grpc,JoeWoo/grpc,adelez/grpc,tempbottle/grpc,ejona86/grpc,andrewpollock/grpc,greasypizza/grpc,msmania/grpc,miselin/grpc,a11r/grpc,cgvarela/grpc,w4-sjcho/grpc,philcleveland/grpc,pmarks-net/grpc,jtattermusch/grpc,apolcyn/grpc,ncteisen/grpc,zhimingxie/grpc,chrisdunelm/grpc,muxi/grpc,adelez/grpc,deepaklukose/grpc,grani/grpc,muxi/grpc,jtattermusch/grpc,thinkerou/grpc,pszemus/grpc,dgquintas/grpc,ctiller/grpc,royalharsh/grpc,royalharsh/grpc,grpc/grpc,Vizerai/grpc,stanley-cheung/grpc,JoeWoo/grpc,apolcyn/grpc,thinkerou/grpc,ipylypiv/grpc,thunderboltsid/grpc,y-zeng/grpc,fuchsia-mirror/third_party-grpc,jcanizales/grpc,crast/grpc,PeterFaiman/ruby-grpc-minimal,simonkuang/grpc,fuchsia-mirror/third_party-grpc,bogdandrutu/grpc,hstefan/grpc,VcamX/grpc,ncteisen/grpc,philcleveland/grpc,rjshade/grpc,doubi-workshop/grpc,kriswuollett/grpc,gpndata/grpc,goldenbull/grpc,kskalski/grpc,goldenbull/grpc,fuchsia-mirror/third_party-grpc,deepaklukose/grpc,jtattermusch/grpc,hstefan/grpc,geffzhang/grpc,ksophocleous/grpc,fichter/grpc,vsco/grpc,a-veitch/grpc,wangyikai/grpc,larsonmpdx/grpc,daniel-j-born/grpc,greasypizza/grpc,ofrobots/grpc,thinkerou/grpc,7anner/grpc,a11r/grpc,meisterpeeps/grpc,chrisdunelm/grpc,ctiller/grpc,adelez/grpc,carl-mastrangelo/grpc,yugui/grpc,nicolasnoble/grpc,murgatroid99/grpc,mehrdada/grpc,jtattermusch/grpc,fuchsia-mirror/third_party-grpc,wcevans/grpc,goldenbull/grpc,soltanmm-google/grpc,jboeuf/grpc,jboeuf/grpc,tengyifei/grpc,pszemus/grpc,MakMukhi/grpc,nicolasnoble/grpc,cgvarela/grpc,soltanmm/grpc,pszemus/grpc,rjshade/grpc,jcanizales/grpc,bjori/grpc,geffzhang/grpc,infinit/grpc,yang-g/grpc,yinsu/grpc,yang-g/grpc,ofrobots/grpc,vsco/grpc,ctiller/grpc,doubi-workshop/grpc,meisterpeeps/grpc,msiedlarek/grpc,geffzhang/grpc,ksophocleous/grpc,a11r/grpc,pszemus/grpc,kpayson64/grpc,JoeWoo/grpc,ctiller/grpc,dklempner/grpc,fichter/grpc,jboeuf/grpc,yang-g/grpc,surround-io/grpc,muxi/grpc,wcevans/grpc,infinit/grpc,wcevans/grpc,a11r/grpc,thinkerou/grpc,wcevans/grpc,infinit/grpc,carl-mastrangelo/grpc,tengyifei/grpc,JoeWoo/grpc,7anner/grpc,ejona86/grpc,y-zeng/grpc,makdharma/grpc,MakMukhi/grpc,w4-sjcho/grpc,rjshade/grpc,soltanmm/grpc,murgatroid99/grpc,y-zeng/grpc,tempbottle/grpc,matt-kwong/grpc,gpndata/grpc,kumaralokgithub/grpc,VcamX/grpc,soltanmm-google/grpc,arkmaxim/grpc,sreecha/grpc,larsonmpdx/grpc,msiedlarek/grpc,Crevil/grpc,xtopsoft/grpc,ppietrasa/grpc,donnadionne/grpc,jcanizales/grpc,dklempner/grpc,firebase/grpc,wcevans/grpc,ejona86/grpc,ppietrasa/grpc,meisterpeeps/grpc,fuchsia-mirror/third_party-grpc,yang-g/grpc,greasypizza/grpc,daniel-j-born/grpc,ejona86/grpc,apolcyn/grpc,mehrdada/grpc,thinkerou/grpc,leifurhauks/grpc,carl-mastrangelo/grpc,larsonmpdx/grpc,a-veitch/grpc,fichter/grpc,yongni/grpc,sreecha/grpc,apolcyn/grpc,7anner/grpc,firebase/grpc,sreecha/grpc,apolcyn/grpc,tengyifei/grpc,donnadionne/grpc,pszemus/grpc,kumaralokgithub/grpc,bjori/grpc,MakMukhi/grpc,xtopsoft/grpc,yang-g/grpc,muxi/grpc,grpc/grpc,ofrobots/grpc,stanley-cheung/grpc,baylabs/grpc,andrewpollock/grpc,fuchsia-mirror/third_party-grpc,hstefan/grpc,y-zeng/grpc,7anner/grpc,mehrdada/grpc,vsco/grpc,madongfly/grpc,firebase/grpc,matt-kwong/grpc,w4-sjcho/grpc,PeterFaiman/ruby-grpc-minimal,podsvirov/grpc,pszemus/grpc,grani/grpc,vjpai/grpc,tengyifei/grpc,jboeuf/grpc,makdharma/grpc,7anner/grpc,jboeuf/grpc,ipylypiv/grpc,arkmaxim/grpc,greasypizza/grpc,jtattermusch/grpc,msmania/grpc,bogdandrutu/grpc,nicolasnoble/grpc,andrewpollock/grpc,muxi/grpc,madongfly/grpc,grani/grpc,LuminateWireless/grpc,leifurhauks/grpc,ofrobots/grpc,vjpai/grpc,yang-g/grpc,MakMukhi/grpc,LuminateWireless/grpc,donnadionne/grpc,madongfly/grpc,w4-sjcho/grpc,muxi/grpc,daniel-j-born/grpc,cgvarela/grpc,yinsu/grpc,msmania/grpc,msiedlarek/grpc,leifurhauks/grpc,jcanizales/grpc,xtopsoft/grpc,leifurhauks/grpc,ppietrasa/grpc,a11r/grpc,vjpai/grpc,kumaralokgithub/grpc,dgquintas/grpc,quizlet/grpc,crast/grpc,MakMukhi/grpc,malexzx/grpc,royalharsh/grpc,7anner/grpc,dklempner/grpc,crast/grpc,dgquintas/grpc,quizlet/grpc,bogdandrutu/grpc,yongni/grpc,miselin/grpc,arkmaxim/grpc,maxwell-demon/grpc,bogdandrutu/grpc,pmarks-net/grpc,ctiller/grpc,philcleveland/grpc,ipylypiv/grpc,murgatroid99/grpc,simonkuang/grpc,VcamX/grpc,tempbottle/grpc,geffzhang/grpc,gpndata/grpc,doubi-workshop/grpc,miselin/grpc,wangyikai/grpc,dgquintas/grpc,greasypizza/grpc,bjori/grpc,w4-sjcho/grpc,msmania/grpc,ejona86/grpc,mehrdada/grpc,baylabs/grpc,baylabs/grpc,miselin/grpc,maxwell-demon/grpc,yugui/grpc,w4-sjcho/grpc,doubi-workshop/grpc,rjshade/grpc,ctiller/grpc,crast/grpc,grpc/grpc,podsvirov/grpc,kriswuollett/grpc,grpc/grpc,ksophocleous/grpc,tempbottle/grpc,soltanmm/grpc,MakMukhi/grpc,donnadionne/grpc,pszemus/grpc,surround-io/grpc,murgatroid99/grpc,7anner/grpc,grpc/grpc,andrewpollock/grpc,VcamX/grpc,muxi/grpc,soltanmm/grpc,tamihiro/grpc,royalharsh/grpc,nicolasnoble/grpc,PeterFaiman/ruby-grpc-minimal,msiedlarek/grpc,MakMukhi/grpc,doubi-workshop/grpc,perumaalgoog/grpc,a-veitch/grpc,firebase/grpc,hstefan/grpc,vsco/grpc,VcamX/grpc,MakMukhi/grpc,deepaklukose/grpc,carl-mastrangelo/grpc,msmania/grpc,xtopsoft/grpc,VcamX/grpc,wangyikai/grpc,kpayson64/grpc,larsonmpdx/grpc,malexzx/grpc,bjori/grpc,leifurhauks/grpc,tengyifei/grpc,vsco/grpc,hstefan/grpc,daniel-j-born/grpc,quizlet/grpc,madongfly/grpc,philcleveland/grpc,miselin/grpc,crast/grpc,bjori/grpc,muxi/grpc,yang-g/grpc,kpayson64/grpc,Crevil/grpc,vjpai/grpc,podsvirov/grpc,thunderboltsid/grpc,JoeWoo/grpc,sreecha/grpc,firebase/grpc,vjpai/grpc,quizlet/grpc,Vizerai/grpc,kriswuollett/grpc,zhimingxie/grpc,tengyifei/grpc,soltanmm-google/grpc,LuminateWireless/grpc,yinsu/grpc,maxwell-demon/grpc,a-veitch/grpc,miselin/grpc,matt-kwong/grpc,ctiller/grpc,wangyikai/grpc,deepaklukose/grpc,soltanmm-google/grpc,grani/grpc,jboeuf/grpc,apolcyn/grpc,tengyifei/grpc,yongni/grpc,stanley-cheung/grpc,perumaalgoog/grpc,chrisdunelm/grpc,malexzx/grpc,miselin/grpc,donnadionne/grpc,wcevans/grpc,Crevil/grpc,7anner/grpc,fichter/grpc,meisterpeeps/grpc,grani/grpc,pmarks-net/grpc,baylabs/grpc,bogdandrutu/grpc,kskalski/grpc,tempbottle/grpc,kskalski/grpc,andrewpollock/grpc,a-veitch/grpc,kpayson64/grpc,leifurhauks/grpc,ofrobots/grpc,malexzx/grpc,donnadionne/grpc,sreecha/grpc,ejona86/grpc,carl-mastrangelo/grpc,infinit/grpc,larsonmpdx/grpc,sreecha/grpc,geffzhang/grpc,xtopsoft/grpc,vjpai/grpc,jcanizales/grpc,y-zeng/grpc,simonkuang/grpc,muxi/grpc,ctiller/grpc,goldenbull/grpc,murgatroid99/grpc,tamihiro/grpc,pmarks-net/grpc,stanley-cheung/grpc,sreecha/grpc,soltanmm-google/grpc,ksophocleous/grpc,kumaralokgithub/grpc,tempbottle/grpc,gpndata/grpc,madongfly/grpc,daniel-j-born/grpc,philcleveland/grpc,LuminateWireless/grpc,pszemus/grpc,jcanizales/grpc,madongfly/grpc,nicolasnoble/grpc,tamihiro/grpc,soltanmm-google/grpc,tempbottle/grpc,ctiller/grpc,y-zeng/grpc,quizlet/grpc,yugui/grpc,pszemus/grpc,ctiller/grpc,royalharsh/grpc,sreecha/grpc,thunderboltsid/grpc,bjori/grpc,quizlet/grpc,dgquintas/grpc,ofrobots/grpc,LuminateWireless/grpc,donnadionne/grpc,deepaklukose/grpc,carl-mastrangelo/grpc,arkmaxim/grpc,kpayson64/grpc,tamihiro/grpc,stanley-cheung/grpc,stanley-cheung/grpc,adelez/grpc,nicolasnoble/grpc,larsonmpdx/grpc,yongni/grpc,jtattermusch/grpc,mehrdada/grpc,surround-io/grpc,geffzhang/grpc,carl-mastrangelo/grpc,thunderboltsid/grpc,rjshade/grpc,donnadionne/grpc,tengyifei/grpc,makdharma/grpc,nicolasnoble/grpc,Crevil/grpc,fichter/grpc,Vizerai/grpc,leifurhauks/grpc,ctiller/grpc,ppietrasa/grpc,dgquintas/grpc,Crevil/grpc,LuminateWireless/grpc,Vizerai/grpc,stanley-cheung/grpc,ejona86/grpc,simonkuang/grpc,msiedlarek/grpc,ncteisen/grpc,a11r/grpc,daniel-j-born/grpc,murgatroid99/grpc,msiedlarek/grpc,podsvirov/grpc,andrewpollock/grpc,carl-mastrangelo/grpc,kumaralokgithub/grpc,simonkuang/grpc,daniel-j-born/grpc,surround-io/grpc,surround-io/grpc,doubi-workshop/grpc,wcevans/grpc,jcanizales/grpc,ananthonline/grpc,deepaklukose/grpc,ncteisen/grpc,rjshade/grpc,chrisdunelm/grpc,yongni/grpc,tamihiro/grpc,ananthonline/grpc,goldenbull/grpc,jcanizales/grpc,fuchsia-mirror/third_party-grpc,kpayson64/grpc,thunderboltsid/grpc,simonkuang/grpc,makdharma/grpc,donnadionne/grpc,dklempner/grpc,leifurhauks/grpc,ipylypiv/grpc,sreecha/grpc,goldenbull/grpc,kriswuollett/grpc,cgvarela/grpc,ksophocleous/grpc,thinkerou/grpc,ppietrasa/grpc,wangyikai/grpc,perumaalgoog/grpc,goldenbull/grpc,Vizerai/grpc,apolcyn/grpc,ncteisen/grpc,pmarks-net/grpc,muxi/grpc,simonkuang/grpc,yugui/grpc,tamihiro/grpc,ananthonline/grpc,a-veitch/grpc,zhimingxie/grpc,gpndata/grpc,yang-g/grpc,greasypizza/grpc,jboeuf/grpc,murgatroid99/grpc,leifurhauks/grpc,msmania/grpc,deepaklukose/grpc,tamihiro/grpc,ofrobots/grpc,tengyifei/grpc,a-veitch/grpc,quizlet/grpc,yugui/grpc,ppietrasa/grpc,sreecha/grpc,donnadionne/grpc,mehrdada/grpc,7anner/grpc,gpndata/grpc,ananthonline/grpc,a11r/grpc,meisterpeeps/grpc,jtattermusch/grpc,vsco/grpc,cgvarela/grpc,msmania/grpc,VcamX/grpc,yinsu/grpc,pmarks-net/grpc,PeterFaiman/ruby-grpc-minimal,yugui/grpc,andrewpollock/grpc,JoeWoo/grpc,quizlet/grpc,vjpai/grpc,y-zeng/grpc,PeterFaiman/ruby-grpc-minimal,fuchsia-mirror/third_party-grpc,adelez/grpc,thunderboltsid/grpc,mehrdada/grpc,Vizerai/grpc,chrisdunelm/grpc,ananthonline/grpc,infinit/grpc,zhimingxie/grpc,infinit/grpc,bogdandrutu/grpc,tamihiro/grpc,muxi/grpc,baylabs/grpc,Vizerai/grpc,maxwell-demon/grpc,chrisdunelm/grpc,vsco/grpc,makdharma/grpc,yongni/grpc,JoeWoo/grpc,firebase/grpc,cgvarela/grpc,y-zeng/grpc,bogdandrutu/grpc,simonkuang/grpc,matt-kwong/grpc,deepaklukose/grpc,stanley-cheung/grpc,matt-kwong/grpc,xtopsoft/grpc,goldenbull/grpc,vjpai/grpc,ncteisen/grpc,bjori/grpc,yinsu/grpc,chrisdunelm/grpc,makdharma/grpc,pmarks-net/grpc,jboeuf/grpc,adelez/grpc,surround-io/grpc,Vizerai/grpc,adelez/grpc,nicolasnoble/grpc,maxwell-demon/grpc,Crevil/grpc,zhimingxie/grpc,ncteisen/grpc,adelez/grpc,infinit/grpc,grani/grpc,grani/grpc,malexzx/grpc,makdharma/grpc,Vizerai/grpc,surround-io/grpc,stanley-cheung/grpc,vsco/grpc,meisterpeeps/grpc,a11r/grpc,kskalski/grpc,jtattermusch/grpc,philcleveland/grpc,ncteisen/grpc,ipylypiv/grpc,mehrdada/grpc,doubi-workshop/grpc,ofrobots/grpc,arkmaxim/grpc,kpayson64/grpc,dklempner/grpc,LuminateWireless/grpc,a-veitch/grpc,grpc/grpc,a11r/grpc,ejona86/grpc,rjshade/grpc,thunderboltsid/grpc,yinsu/grpc,mehrdada/grpc,greasypizza/grpc,larsonmpdx/grpc,LuminateWireless/grpc,yongni/grpc,firebase/grpc,VcamX/grpc,mehrdada/grpc,baylabs/grpc,philcleveland/grpc,podsvirov/grpc,ksophocleous/grpc,grani/grpc,larsonmpdx/grpc,thinkerou/grpc,ananthonline/grpc,cgvarela/grpc,rjshade/grpc,bjori/grpc,malexzx/grpc,baylabs/grpc,soltanmm/grpc,yinsu/grpc,matt-kwong/grpc,muxi/grpc,thinkerou/grpc,rjshade/grpc,madongfly/grpc,soltanmm/grpc,stanley-cheung/grpc,greasypizza/grpc,philcleveland/grpc,dklempner/grpc,royalharsh/grpc,crast/grpc,wangyikai/grpc,chrisdunelm/grpc,vjpai/grpc,Vizerai/grpc,ananthonline/grpc,zhimingxie/grpc,w4-sjcho/grpc,hstefan/grpc,arkmaxim/grpc,ejona86/grpc,firebase/grpc,infinit/grpc,yang-g/grpc,ananthonline/grpc,murgatroid99/grpc,miselin/grpc,VcamX/grpc,fuchsia-mirror/third_party-grpc,w4-sjcho/grpc,meisterpeeps/grpc,Crevil/grpc,hstefan/grpc,wcevans/grpc,msiedlarek/grpc,yugui/grpc,chrisdunelm/grpc,goldenbull/grpc,jboeuf/grpc,wcevans/grpc,matt-kwong/grpc,arkmaxim/grpc,dgquintas/grpc,madongfly/grpc,murgatroid99/grpc,carl-mastrangelo/grpc,crast/grpc,grpc/grpc,jboeuf/grpc,PeterFaiman/ruby-grpc-minimal,ctiller/grpc,kskalski/grpc,andrewpollock/grpc,maxwell-demon/grpc,kpayson64/grpc,jtattermusch/grpc,carl-mastrangelo/grpc,grpc/grpc,kriswuollett/grpc,crast/grpc,murgatroid99/grpc,perumaalgoog/grpc,ppietrasa/grpc,Crevil/grpc,mehrdada/grpc,vjpai/grpc,msiedlarek/grpc,kumaralokgithub/grpc,zhimingxie/grpc,chrisdunelm/grpc,maxwell-demon/grpc,ipylypiv/grpc,baylabs/grpc,kskalski/grpc,jtattermusch/grpc,podsvirov/grpc,firebase/grpc,makdharma/grpc,geffzhang/grpc,soltanmm/grpc,dgquintas/grpc,ksophocleous/grpc,soltanmm/grpc,pmarks-net/grpc,pszemus/grpc,grani/grpc,carl-mastrangelo/grpc,quizlet/grpc,perumaalgoog/grpc,jboeuf/grpc,PeterFaiman/ruby-grpc-minimal,kpayson64/grpc,msmania/grpc,meisterpeeps/grpc,jtattermusch/grpc,arkmaxim/grpc,thinkerou/grpc,Vizerai/grpc,cgvarela/grpc,podsvirov/grpc,a-veitch/grpc,dklempner/grpc,grpc/grpc,PeterFaiman/ruby-grpc-minimal,thinkerou/grpc,maxwell-demon/grpc,ofrobots/grpc,kriswuollett/grpc,y-zeng/grpc,vjpai/grpc,sreecha/grpc,dklempner/grpc,JoeWoo/grpc,thunderboltsid/grpc,firebase/grpc,nicolasnoble/grpc,ipylypiv/grpc,andrewpollock/grpc,ncteisen/grpc,makdharma/grpc,simonkuang/grpc,vsco/grpc,perumaalgoog/grpc,madongfly/grpc,surround-io/grpc,daniel-j-born/grpc,ipylypiv/grpc,kumaralokgithub/grpc,bogdandrutu/grpc,zhimingxie/grpc,jboeuf/grpc,kskalski/grpc,adelez/grpc,kriswuollett/grpc,maxwell-demon/grpc,fichter/grpc,dklempner/grpc,ejona86/grpc,nicolasnoble/grpc,msiedlarek/grpc,wangyikai/grpc,ejona86/grpc,philcleveland/grpc,kpayson64/grpc,stanley-cheung/grpc,royalharsh/grpc,kriswuollett/grpc,donnadionne/grpc,PeterFaiman/ruby-grpc-minimal,ppietrasa/grpc,soltanmm/grpc,donnadionne/grpc,bjori/grpc,doubi-workshop/grpc,perumaalgoog/grpc,malexzx/grpc,daniel-j-born/grpc,grpc/grpc,pszemus/grpc,kskalski/grpc,malexzx/grpc,royalharsh/grpc,firebase/grpc,ppietrasa/grpc,matt-kwong/grpc,soltanmm-google/grpc,yugui/grpc,yugui/grpc,nicolasnoble/grpc,msmania/grpc,infinit/grpc,carl-mastrangelo/grpc,geffzhang/grpc,podsvirov/grpc,soltanmm-google/grpc,gpndata/grpc,grpc/grpc,yongni/grpc,yinsu/grpc,firebase/grpc,soltanmm-google/grpc,ipylypiv/grpc,hstefan/grpc,apolcyn/grpc,jtattermusch/grpc,zhimingxie/grpc,chrisdunelm/grpc,royalharsh/grpc,xtopsoft/grpc,JoeWoo/grpc,hstefan/grpc,apolcyn/grpc,fuchsia-mirror/third_party-grpc,vjpai/grpc,wangyikai/grpc,sreecha/grpc,thinkerou/grpc,thunderboltsid/grpc,perumaalgoog/grpc,kriswuollett/grpc,stanley-cheung/grpc,ejona86/grpc,ncteisen/grpc,matt-kwong/grpc,pszemus/grpc,nicolasnoble/grpc,gpndata/grpc,dgquintas/grpc,malexzx/grpc,yinsu/grpc,wangyikai/grpc,perumaalgoog/grpc