make: check for existence of tools
make: check for existence of tools

neumodisch/RIOT,yogo1212/RIOT,lazytech-org/RIOT,immesys/RiSyn,LudwigOrtmann/RIOT,jbeyerstedt/RIOT-OTA-update,gbarnett/RIOT,mtausig/RIOT,Yonezawa-T2/RIOT,l3nko/RIOT,kushalsingh007/RIOT,abkam07/RIOT,backenklee/RIOT,bartfaizoltan/RIOT,latsku/RIOT,Hyungsin/RIOT-OS,Osblouf/RIOT,abp719/RIOT,thomaseichinger/RIOT,authmillenon/RIOT,watr-li/RIOT,herrfz/RIOT-old,automote/RIOT,sgso/RIOT,adjih/RIOT,chris-wood/RIOT,centurysys/RIOT,PSHIVANI/Riot-Code,jferreir/RIOT,aeneby/RIOT,basilfx/RIOT,syin2/RIOT,kerneltask/RIOT,stevenj/RIOT,altairpearl/RIOT,authmillenon/RIOT,rfswarm/RIOT,Ell-i/RIOT,openkosmosorg/RIOT,chris-wood/RIOT,BytesGalore/RIOT,marcosalm/RIOT,rfuentess/RIOT,brettswann/RIOT,mfrey/RIOT,DipSwitch/RIOT,phiros/RIOT,jremmert-phytec-iot/RIOT,MarkXYang/RIOT,patkan/RIOT,RubikonAlpha/RIOT,Darredevil/RIOT,jfischer-phytec-iot/RIOT,dailab/RIOT,haoyangyu/RIOT,rfuentess/RIOT,ntrtrung/RIOT,plushvoxel/RIOT,jbeyerstedt/RIOT-OTA-update,neumodisch/RIOT,biboc/RIOT,kaspar030/RIOT,rousselk/RIOT,binarylemon/RIOT,msolters/RIOT,gautric/RIOT,rousselk/RIOT,zhuoshuguo/RIOT,basilfx/RIOT,koenning/RIOT,attdona/RIOT,Yonezawa-T2/RIOT,abp719/RIOT,cladmi/RIOT,adjih/RIOT,stevenj/RIOT,x3ro/RIOT,jremmert-phytec-iot/RIOT,FrancescoErmini/RIOT,thomaseichinger/RIOT,adjih/RIOT,arvindpdmn/RIOT,msolters/RIOT,DipSwitch/RIOT,changbiao/RIOT,LudwigOrtmann/RIOT,RBartz/RIOT,mziegert/RIOT,benoit-canet/RIOT,malosek/RIOT,TobiasFredersdorf/RIOT,cladmi/RIOT,ThanhVic/RIOT,kb2ma/RIOT,toonst/RIOT,wentaoshang/RIOT,MonsterCode8000/RIOT,brettswann/RIOT,malosek/RIOT,authmillenon/RIOT,robixnai/RIOT,changbiao/RIOT,robixnai/RIOT,rajma996/RIOT,toonst/RIOT,tdautc19841202/RIOT,LudwigKnuepfer/RIOT,gautric/RIOT,thomaseichinger/RIOT,thiagohd/RIOT,sumanpanchal/RIOT,bartfaizoltan/RIOT,kaleb-himes/RIOT,plushvoxel/RIOT,d00616/RIOT,adjih/RIOT,MarkXYang/RIOT,MohmadAyman/RIOT,neiljay/RIOT,RIOT-OS/RIOT,mtausig/RIOT,kushalsingh007/RIOT,watr-li/RIOT,Lexandro92/RIOT-CoAP,jhollister/RIOT,alignan/RIOT,attdona/RIOT,FrancescoErmini/RIOT,kbumsik/RIOT,smlng/RIOT,attdona/RIOT,kerneltask/RIOT,immesys/RiSyn,lazytech-org/RIOT,zhuoshuguo/RIOT,shady33/RIOT,RBartz/RIOT,MonsterCode8000/RIOT,OTAkeys/RIOT,attdona/RIOT,chris-wood/RIOT,changbiao/RIOT,ant9000/RIOT,MohmadAyman/RIOT,katezilla/RIOT,jfischer-phytec-iot/RIOT,ant9000/RIOT,marcosalm/RIOT,MonsterCode8000/RIOT,changbiao/RIOT,aeneby/RIOT,ks156/RIOT,dhruvvyas90/RIOT,jferreir/RIOT,arvindpdmn/RIOT,lebrush/RIOT,centurysys/RIOT,msolters/RIOT,adrianghc/RIOT,Lexandro92/RIOT-CoAP,l3nko/RIOT,herrfz/RIOT,roberthartung/RIOT,DipSwitch/RIOT,thiagohd/RIOT,jasonatran/RIOT,TobiasFredersdorf/RIOT,gebart/RIOT,avmelnikoff/RIOT,ThanhVic/RIOT,luciotorre/RIOT,koenning/RIOT,ks156/RIOT,katezilla/RIOT,fnack/RIOT,wentaoshang/RIOT,x3ro/RIOT,DipSwitch/RIOT,brettswann/RIOT,lebrush/RIOT,khhhh/RIOT,kbumsik/RIOT,rfuentess/RIOT,authmillenon/RIOT,kaleb-himes/RIOT,immesys/RiSyn,LudwigKnuepfer/RIOT,tfar/RIOT,phiros/RIOT,binarylemon/RIOT,rousselk/RIOT,robixnai/RIOT,TobiasFredersdorf/RIOT,d00616/RIOT,chris-wood/RIOT,alignan/RIOT,jferreir/RIOT,marcosalm/RIOT,adjih/RIOT,d00616/RIOT,thiagohd/RIOT,stevenj/RIOT,dailab/RIOT,daniel-k/RIOT,jfischer-phytec-iot/RIOT,stevenj/RIOT,JensErdmann/RIOT,sumanpanchal/RIOT,jremmert-phytec-iot/RIOT,fnack/RIOT,immesys/RiSyn,dkm/RIOT,asanka-code/RIOT,zhuoshuguo/RIOT,alex1818/RIOT,Josar/RIOT,ThanhVic/RIOT,OTAkeys/RIOT,lazytech-org/RIOT,authmillenon/RIOT,sgso/RIOT,tdautc19841202/RIOT,BytesGalore/RIOT,d00616/RIOT,Darredevil/RIOT,thomaseichinger/RIOT,l3nko/RIOT,rfswarm/RIOT,tdautc19841202/RIOT,openkosmosorg/RIOT,katezilla/RIOT,MarkXYang/RIOT,abkam07/RIOT,Hyungsin/RIOT-OS,kerneltask/RIOT,robixnai/RIOT,wentaoshang/RIOT,fnack/RIOT,asanka-code/RIOT,kaspar030/RIOT,herrfz/RIOT,syin2/RIOT,Yonezawa-T2/RIOT,beurdouche/RIOT,sgso/RIOT,kaspar030/RIOT,kYc0o/RIOT,Ell-i/RIOT,avmelnikoff/RIOT,mtausig/RIOT,automote/RIOT,ximus/RIOT,beurdouche/RIOT,lazytech-org/RIOT,lebrush/RIOT,sumanpanchal/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,marcosalm/RIOT,A-Paul/RIOT,patkan/RIOT,l3nko/RIOT,BytesGalore/RIOT,TobiasFredersdorf/RIOT,Hyungsin/RIOT-OS,biboc/RIOT,beurdouche/RIOT,LudwigKnuepfer/RIOT,JensErdmann/RIOT,tdautc19841202/RIOT,kaspar030/RIOT,RubikonAlpha/RIOT,dhruvvyas90/RIOT,josephnoir/RIOT,yogo1212/RIOT,changbiao/RIOT,zhuoshuguo/RIOT,katezilla/RIOT,Yonezawa-T2/RIOT,phiros/RIOT,A-Paul/RIOT,chris-wood/RIOT,rajma996/RIOT,msolters/RIOT,Osblouf/RIOT,gebart/RIOT,dhruvvyas90/RIOT,altairpearl/RIOT,ks156/RIOT,kb2ma/RIOT,binarylemon/RIOT,gautric/RIOT,herrfz/RIOT-old,MarkXYang/RIOT,ntrtrung/RIOT,josephnoir/RIOT,Osblouf/RIOT,roberthartung/RIOT,adrianghc/RIOT,jbeyerstedt/RIOT-OTA-update,gbarnett/RIOT,Ell-i/RIOT,kYc0o/RIOT,sumanpanchal/RIOT,backenklee/RIOT,mtausig/RIOT,LudwigOrtmann/RIOT,mziegert/RIOT,cladmi/RIOT,thiagohd/RIOT,OlegHahm/RIOT,mziegert/RIOT,Lexandro92/RIOT-CoAP,mziegert/RIOT,abp719/RIOT,stevenj/RIOT,ntrtrung/RIOT,toonst/RIOT,marcosalm/RIOT,rfswarm/RIOT,luciotorre/RIOT,Lexandro92/RIOT-CoAP,basilfx/RIOT,plushvoxel/RIOT,kushalsingh007/RIOT,aeneby/RIOT,bartfaizoltan/RIOT,abkam07/RIOT,PSHIVANI/Riot-Code,foss-for-synopsys-dwc-arc-processors/RIOT,RBartz/RIOT,jhollister/RIOT,gbarnett/RIOT,miri64/RIOT,RubikonAlpha/RIOT,rakendrathapa/RIOT,Darredevil/RIOT,alignan/RIOT,josephnoir/RIOT,OlegHahm/RIOT,OTAkeys/RIOT,arvindpdmn/RIOT,khhhh/RIOT,EmuxEvans/RIOT,lebrush/RIOT,rfuentess/RIOT,watr-li/RIOT,phiros/RIOT,watr-li/RIOT,LudwigOrtmann/RIOT,backenklee/RIOT,latsku/RIOT,FrancescoErmini/RIOT,kaleb-himes/RIOT,rajma996/RIOT,patkan/RIOT,rakendrathapa/RIOT,hamilton-mote/RIOT-OS,wentaoshang/RIOT,sumanpanchal/RIOT,kYc0o/RIOT,alignan/RIOT,brettswann/RIOT,Josar/RIOT,arvindpdmn/RIOT,gautric/RIOT,FrancescoErmini/RIOT,fnack/RIOT,Hyungsin/RIOT-OS,PSHIVANI/Riot-Code,josephnoir/RIOT,MohmadAyman/RIOT,benoit-canet/RIOT,alignan/RIOT,luciotorre/RIOT,jhollister/RIOT,plushvoxel/RIOT,stevenj/RIOT,yogo1212/RIOT,basilfx/RIOT,dailab/RIOT,MohmadAyman/RIOT,smlng/RIOT,hamilton-mote/RIOT-OS,A-Paul/RIOT,rfswarm/RIOT,Darredevil/RIOT,changbiao/RIOT,kushalsingh007/RIOT,EmuxEvans/RIOT,BytesGalore/RIOT,mtausig/RIOT,patkan/RIOT,dkm/RIOT,RBartz/RIOT,binarylemon/RIOT,OlegHahm/RIOT,luciotorre/RIOT,smlng/RIOT,jasonatran/RIOT,brettswann/RIOT,arvindpdmn/RIOT,PSHIVANI/Riot-Code,latsku/RIOT,A-Paul/RIOT,koenning/RIOT,biboc/RIOT,EmuxEvans/RIOT,RubikonAlpha/RIOT,kb2ma/RIOT,gbarnett/RIOT,khhhh/RIOT,jremmert-phytec-iot/RIOT,malosek/RIOT,kbumsik/RIOT,lazytech-org/RIOT,immesys/RiSyn,OlegHahm/RIOT,RBartz/RIOT,abkam07/RIOT,neumodisch/RIOT,RBartz/RIOT,Yonezawa-T2/RIOT,msolters/RIOT,sumanpanchal/RIOT,rakendrathapa/RIOT,jremmert-phytec-iot/RIOT,MohmadAyman/RIOT,kb2ma/RIOT,jhollister/RIOT,patkan/RIOT,kaleb-himes/RIOT,shady33/RIOT,khhhh/RIOT,miri64/RIOT,jbeyerstedt/RIOT-OTA-update,neumodisch/RIOT,centurysys/RIOT,dhruvvyas90/RIOT,dkm/RIOT,tdautc19841202/RIOT,tdautc19841202/RIOT,daniel-k/RIOT,shady33/RIOT,roberthartung/RIOT,asanka-code/RIOT,openkosmosorg/RIOT,ximus/RIOT,tfar/RIOT,DipSwitch/RIOT,RIOT-OS/RIOT,thiagohd/RIOT,asanka-code/RIOT,arvindpdmn/RIOT,abp719/RIOT,haoyangyu/RIOT,MarkXYang/RIOT,ntrtrung/RIOT,openkosmosorg/RIOT,Josar/RIOT,luciotorre/RIOT,backenklee/RIOT,fnack/RIOT,kb2ma/RIOT,latsku/RIOT,abkam07/RIOT,neiljay/RIOT,yogo1212/RIOT,attdona/RIOT,gebart/RIOT,koenning/RIOT,shady33/RIOT,dhruvvyas90/RIOT,patkan/RIOT,syin2/RIOT,neiljay/RIOT,herrfz/RIOT-old,JensErdmann/RIOT,kbumsik/RIOT,ks156/RIOT,mfrey/RIOT,immesys/RiSyn,basilfx/RIOT,daniel-k/RIOT,RIOT-OS/RIOT,automote/RIOT,benoit-canet/RIOT,DipSwitch/RIOT,kerneltask/RIOT,herrfz/RIOT-old,kerneltask/RIOT,JensErdmann/RIOT,automote/RIOT,benoit-canet/RIOT,kushalsingh007/RIOT,malosek/RIOT,phiros/RIOT,PSHIVANI/Riot-Code,kaleb-himes/RIOT,dkm/RIOT,herrfz/RIOT,neumodisch/RIOT,abp719/RIOT,rajma996/RIOT,jbeyerstedt/RIOT-OTA-update,aeneby/RIOT,alex1818/RIOT,binarylemon/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,biboc/RIOT,neumodisch/RIOT,ximus/RIOT,rousselk/RIOT,openkosmosorg/RIOT,Lexandro92/RIOT-CoAP,yogo1212/RIOT,alex1818/RIOT,Osblouf/RIOT,TobiasFredersdorf/RIOT,alex1818/RIOT,centurysys/RIOT,Yonezawa-T2/RIOT,JensErdmann/RIOT,A-Paul/RIOT,fnack/RIOT,watr-li/RIOT,automote/RIOT,miri64/RIOT,haoyangyu/RIOT,centurysys/RIOT,toonst/RIOT,EmuxEvans/RIOT,attdona/RIOT,jfischer-phytec-iot/RIOT,cladmi/RIOT,Osblouf/RIOT,haoyangyu/RIOT,backenklee/RIOT,koenning/RIOT,gebart/RIOT,FrancescoErmini/RIOT,automote/RIOT,kYc0o/RIOT,LudwigKnuepfer/RIOT,cladmi/RIOT,malosek/RIOT,dkm/RIOT,syin2/RIOT,herrfz/RIOT,Osblouf/RIOT,x3ro/RIOT,shady33/RIOT,koenning/RIOT,gbarnett/RIOT,khhhh/RIOT,abkam07/RIOT,MonsterCode8000/RIOT,authmillenon/RIOT,jferreir/RIOT,plushvoxel/RIOT,Darredevil/RIOT,alex1818/RIOT,josephnoir/RIOT,sgso/RIOT,latsku/RIOT,rousselk/RIOT,robixnai/RIOT,d00616/RIOT,jasonatran/RIOT,wentaoshang/RIOT,neiljay/RIOT,rfuentess/RIOT,alex1818/RIOT,lebrush/RIOT,jhollister/RIOT,asanka-code/RIOT,beurdouche/RIOT,rakendrathapa/RIOT,daniel-k/RIOT,rfswarm/RIOT,smlng/RIOT,mziegert/RIOT,bartfaizoltan/RIOT,d00616/RIOT,jremmert-phytec-iot/RIOT,Ell-i/RIOT,mfrey/RIOT,rajma996/RIOT,aeneby/RIOT,ThanhVic/RIOT,FrancescoErmini/RIOT,EmuxEvans/RIOT,rakendrathapa/RIOT,RIOT-OS/RIOT,hamilton-mote/RIOT-OS,gautric/RIOT,Lexandro92/RIOT-CoAP,syin2/RIOT,ximus/RIOT,haoyangyu/RIOT,daniel-k/RIOT,Hyungsin/RIOT-OS,wentaoshang/RIOT,Ell-i/RIOT,RubikonAlpha/RIOT,MarkXYang/RIOT,OTAkeys/RIOT,dhruvvyas90/RIOT,gbarnett/RIOT,kYc0o/RIOT,gebart/RIOT,luciotorre/RIOT,jhollister/RIOT,herrfz/RIOT,asanka-code/RIOT,LudwigKnuepfer/RIOT,ks156/RIOT,marcosalm/RIOT,ximus/RIOT,toonst/RIOT,OTAkeys/RIOT,watr-li/RIOT,miri64/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,thomaseichinger/RIOT,ant9000/RIOT,kaspar030/RIOT,EmuxEvans/RIOT,jferreir/RIOT,ntrtrung/RIOT,jfischer-phytec-iot/RIOT,kbumsik/RIOT,thiagohd/RIOT,altairpearl/RIOT,l3nko/RIOT,rakendrathapa/RIOT,rajma996/RIOT,malosek/RIOT,altairpearl/RIOT,centurysys/RIOT,tfar/RIOT,khhhh/RIOT,latsku/RIOT,openkosmosorg/RIOT,RubikonAlpha/RIOT,mfrey/RIOT,adrianghc/RIOT,smlng/RIOT,OlegHahm/RIOT,sgso/RIOT,herrfz/RIOT,beurdouche/RIOT,LudwigOrtmann/RIOT,RIOT-OS/RIOT,Josar/RIOT,ximus/RIOT,MonsterCode8000/RIOT,mfrey/RIOT,zhuoshuguo/RIOT,tfar/RIOT,hamilton-mote/RIOT-OS,adrianghc/RIOT,biboc/RIOT,sgso/RIOT,roberthartung/RIOT,ThanhVic/RIOT,LudwigOrtmann/RIOT,bartfaizoltan/RIOT,hamilton-mote/RIOT-OS,l3nko/RIOT,Josar/RIOT,roberthartung/RIOT,ntrtrung/RIOT,dailab/RIOT,ThanhVic/RIOT,shady33/RIOT,lebrush/RIOT,msolters/RIOT,dailab/RIOT,BytesGalore/RIOT,phiros/RIOT,haoyangyu/RIOT,miri64/RIOT,rousselk/RIOT,foss-for-synopsys-dwc-arc-processors/RIOT,binarylemon/RIOT,adrianghc/RIOT,avmelnikoff/RIOT,herrfz/RIOT-old,yogo1212/RIOT,jasonatran/RIOT,JensErdmann/RIOT,x3ro/RIOT,kushalsingh007/RIOT,bartfaizoltan/RIOT,MonsterCode8000/RIOT,brettswann/RIOT,PSHIVANI/Riot-Code,robixnai/RIOT,benoit-canet/RIOT,x3ro/RIOT,abp719/RIOT,altairpearl/RIOT,ant9000/RIOT,rfswarm/RIOT,Darredevil/RIOT,altairpearl/RIOT,ant9000/RIOT,tfar/RIOT,katezilla/RIOT,benoit-canet/RIOT,jasonatran/RIOT,avmelnikoff/RIOT,jferreir/RIOT,zhuoshuguo/RIOT,mziegert/RIOT,daniel-k/RIOT,neiljay/RIOT,MohmadAyman/RIOT,chris-wood/RIOT,avmelnikoff/RIOT