ENH: add bypass mode to scons build.
ENH: add bypass mode to scons build.

On windows, most C99 functions are not available, so checking for them is
wasteful. We still don't want to add platform-specific checks, but we add a
mode so that we skip the checks if requested.

nbeaver/numpy,pelson/numpy,pizzathief/numpy,GaZ3ll3/numpy,mortada/numpy,Dapid/numpy,gfyoung/numpy,MSeifert04/numpy,felipebetancur/numpy,dato-code/numpy,ewmoore/numpy,charris/numpy,grlee77/numpy,argriffing/numpy,shoyer/numpy,rudimeier/numpy,gmcastil/numpy,ESSS/numpy,AustereCuriosity/numpy,argriffing/numpy,brandon-rhodes/numpy,mhvk/numpy,skymanaditya1/numpy,jankoslavic/numpy,ViralLeadership/numpy,ssanderson/numpy,MichaelAquilina/numpy,musically-ut/numpy,pbrod/numpy,njase/numpy,jankoslavic/numpy,pelson/numpy,felipebetancur/numpy,jakirkham/numpy,matthew-brett/numpy,astrofrog/numpy,Srisai85/numpy,yiakwy/numpy,jorisvandenbossche/numpy,solarjoe/numpy,maniteja123/numpy,rajathkumarmp/numpy,gmcastil/numpy,embray/numpy,MSeifert04/numpy,andsor/numpy,sonnyhu/numpy,sinhrks/numpy,GrimDerp/numpy,skwbc/numpy,sinhrks/numpy,behzadnouri/numpy,felipebetancur/numpy,numpy/numpy,sinhrks/numpy,naritta/numpy,numpy/numpy-refactor,mingwpy/numpy,pdebuyl/numpy,tynn/numpy,MaPePeR/numpy,trankmichael/numpy,groutr/numpy,mindw/numpy,charris/numpy,sonnyhu/numpy,behzadnouri/numpy,trankmichael/numpy,jschueller/numpy,embray/numpy,has2k1/numpy,jankoslavic/numpy,b-carter/numpy,numpy/numpy-refactor,bertrand-l/numpy,astrofrog/numpy,anntzer/numpy,Srisai85/numpy,dwillmer/numpy,mhvk/numpy,GaZ3ll3/numpy,skymanaditya1/numpy,naritta/numpy,utke1/numpy,joferkington/numpy,WarrenWeckesser/numpy,SunghanKim/numpy,jakirkham/numpy,grlee77/numpy,SunghanKim/numpy,ewmoore/numpy,sigma-random/numpy,githubmlai/numpy,CMartelLML/numpy,madphysicist/numpy,WarrenWeckesser/numpy,dwf/numpy,andsor/numpy,pizzathief/numpy,MichaelAquilina/numpy,cowlicks/numpy,nguyentu1602/numpy,ViralLeadership/numpy,sigma-random/numpy,GrimDerp/numpy,solarjoe/numpy,empeeu/numpy,GaZ3ll3/numpy,musically-ut/numpy,has2k1/numpy,pdebuyl/numpy,pizzathief/numpy,dwillmer/numpy,ogrisel/numpy,KaelChen/numpy,embray/numpy,dato-code/numpy,cowlicks/numpy,dch312/numpy,MaPePeR/numpy,AustereCuriosity/numpy,ContinuumIO/numpy,ChanderG/numpy,mortada/numpy,mingwpy/numpy,BabeNovelty/numpy,SiccarPoint/numpy,numpy/numpy-refactor,kirillzhuravlev/numpy,seberg/numpy,ChristopherHogan/numpy,charris/numpy,larsmans/numpy,mhvk/numpy,KaelChen/numpy,drasmuss/numpy,utke1/numpy,ewmoore/numpy,nguyentu1602/numpy,rhythmsosad/numpy,solarjoe/numpy,pbrod/numpy,pyparallel/numpy,mattip/numpy,bringingheavendown/numpy,pdebuyl/numpy,immerrr/numpy,mattip/numpy,grlee77/numpy,dwf/numpy,ChristopherHogan/numpy,NextThought/pypy-numpy,rherault-insa/numpy,ogrisel/numpy,matthew-brett/numpy,chiffa/numpy,ddasilva/numpy,drasmuss/numpy,ajdawson/numpy,bmorris3/numpy,abalkin/numpy,shoyer/numpy,argriffing/numpy,ekalosak/numpy,numpy/numpy,BMJHayward/numpy,bmorris3/numpy,ogrisel/numpy,KaelChen/numpy,dwf/numpy,felipebetancur/numpy,githubmlai/numpy,numpy/numpy-refactor,Eric89GXL/numpy,mwiebe/numpy,dwillmer/numpy,ahaldane/numpy,AustereCuriosity/numpy,jakirkham/numpy,yiakwy/numpy,matthew-brett/numpy,embray/numpy,ddasilva/numpy,endolith/numpy,mathdd/numpy,endolith/numpy,jankoslavic/numpy,jschueller/numpy,rmcgibbo/numpy,ogrisel/numpy,matthew-brett/numpy,jakirkham/numpy,mattip/numpy,rajathkumarmp/numpy,charris/numpy,NextThought/pypy-numpy,Anwesh43/numpy,kiwifb/numpy,tdsmith/numpy,mathdd/numpy,behzadnouri/numpy,mindw/numpy,stuarteberg/numpy,MichaelAquilina/numpy,shoyer/numpy,jorisvandenbossche/numpy,pizzathief/numpy,njase/numpy,immerrr/numpy,Linkid/numpy,rmcgibbo/numpy,jschueller/numpy,gfyoung/numpy,larsmans/numpy,ChanderG/numpy,simongibbons/numpy,ChristopherHogan/numpy,WillieMaddox/numpy,Srisai85/numpy,simongibbons/numpy,rudimeier/numpy,rajathkumarmp/numpy,anntzer/numpy,bertrand-l/numpy,mingwpy/numpy,b-carter/numpy,cowlicks/numpy,ajdawson/numpy,SunghanKim/numpy,ahaldane/numpy,matthew-brett/numpy,mortada/numpy,has2k1/numpy,mwiebe/numpy,ChanderG/numpy,Dapid/numpy,joferkington/numpy,pizzathief/numpy,githubmlai/numpy,BabeNovelty/numpy,seberg/numpy,naritta/numpy,rudimeier/numpy,stuarteberg/numpy,stuarteberg/numpy,ekalosak/numpy,nbeaver/numpy,ChanderG/numpy,sigma-random/numpy,astrofrog/numpy,njase/numpy,CMartelLML/numpy,ahaldane/numpy,BabeNovelty/numpy,dwf/numpy,cjermain/numpy,Eric89GXL/numpy,jschueller/numpy,yiakwy/numpy,mwiebe/numpy,ESSS/numpy,GrimDerp/numpy,pbrod/numpy,mindw/numpy,skwbc/numpy,chiffa/numpy,dimasad/numpy,rgommers/numpy,simongibbons/numpy,moreati/numpy,jonathanunderwood/numpy,ekalosak/numpy,pdebuyl/numpy,bringingheavendown/numpy,Anwesh43/numpy,pyparallel/numpy,andsor/numpy,andsor/numpy,tacaswell/numpy,rhythmsosad/numpy,SiccarPoint/numpy,immerrr/numpy,WarrenWeckesser/numpy,numpy/numpy-refactor,Yusa95/numpy,bmorris3/numpy,seberg/numpy,stuarteberg/numpy,gfyoung/numpy,BMJHayward/numpy,githubmlai/numpy,b-carter/numpy,moreati/numpy,kirillzhuravlev/numpy,embray/numpy,rherault-insa/numpy,shoyer/numpy,endolith/numpy,abalkin/numpy,ssanderson/numpy,grlee77/numpy,cowlicks/numpy,numpy/numpy,MaPePeR/numpy,Yusa95/numpy,astrofrog/numpy,simongibbons/numpy,sonnyhu/numpy,CMartelLML/numpy,GrimDerp/numpy,stefanv/numpy,rudimeier/numpy,hainm/numpy,sonnyhu/numpy,nbeaver/numpy,naritta/numpy,ddasilva/numpy,grlee77/numpy,shoyer/numpy,stefanv/numpy,rhythmsosad/numpy,jorisvandenbossche/numpy,nguyentu1602/numpy,SunghanKim/numpy,tdsmith/numpy,leifdenby/numpy,gmcastil/numpy,Eric89GXL/numpy,pbrod/numpy,Linkid/numpy,empeeu/numpy,leifdenby/numpy,yiakwy/numpy,trankmichael/numpy,groutr/numpy,bertrand-l/numpy,mindw/numpy,brandon-rhodes/numpy,BMJHayward/numpy,dimasad/numpy,mathdd/numpy,skwbc/numpy,MSeifert04/numpy,BabeNovelty/numpy,mortada/numpy,dwillmer/numpy,tdsmith/numpy,ContinuumIO/numpy,stefanv/numpy,jorisvandenbossche/numpy,simongibbons/numpy,immerrr/numpy,ViralLeadership/numpy,sinhrks/numpy,brandon-rhodes/numpy,MichaelAquilina/numpy,ogrisel/numpy,mathdd/numpy,cjermain/numpy,mingwpy/numpy,MSeifert04/numpy,larsmans/numpy,SiccarPoint/numpy,NextThought/pypy-numpy,pelson/numpy,maniteja123/numpy,jonathanunderwood/numpy,chiffa/numpy,jorisvandenbossche/numpy,empeeu/numpy,larsmans/numpy,has2k1/numpy,rgommers/numpy,dato-code/numpy,ssanderson/numpy,trankmichael/numpy,hainm/numpy,pelson/numpy,Anwesh43/numpy,MaPePeR/numpy,CMartelLML/numpy,maniteja123/numpy,Dapid/numpy,madphysicist/numpy,rmcgibbo/numpy,rherault-insa/numpy,endolith/numpy,dch312/numpy,ahaldane/numpy,rmcgibbo/numpy,astrofrog/numpy,chatcannon/numpy,rgommers/numpy,nguyentu1602/numpy,Srisai85/numpy,cjermain/numpy,Yusa95/numpy,ChristopherHogan/numpy,musically-ut/numpy,chatcannon/numpy,GaZ3ll3/numpy,bmorris3/numpy,WarrenWeckesser/numpy,empeeu/numpy,tynn/numpy,groutr/numpy,tacaswell/numpy,bringingheavendown/numpy,leifdenby/numpy,stefanv/numpy,tdsmith/numpy,joferkington/numpy,dimasad/numpy,mattip/numpy,jonathanunderwood/numpy,rhythmsosad/numpy,stefanv/numpy,dimasad/numpy,Linkid/numpy,jakirkham/numpy,hainm/numpy,anntzer/numpy,ekalosak/numpy,joferkington/numpy,pelson/numpy,kiwifb/numpy,rgommers/numpy,tynn/numpy,mhvk/numpy,NextThought/pypy-numpy,BMJHayward/numpy,skymanaditya1/numpy,dato-code/numpy,ewmoore/numpy,chatcannon/numpy,WarrenWeckesser/numpy,ESSS/numpy,ContinuumIO/numpy,madphysicist/numpy,skymanaditya1/numpy,Eric89GXL/numpy,abalkin/numpy,pbrod/numpy,utke1/numpy,Yusa95/numpy,dch312/numpy,moreati/numpy,ajdawson/numpy,ewmoore/numpy,musically-ut/numpy,rajathkumarmp/numpy,seberg/numpy,kirillzhuravlev/numpy,madphysicist/numpy,anntzer/numpy,madphysicist/numpy,tacaswell/numpy,dch312/numpy,ajdawson/numpy,KaelChen/numpy,Anwesh43/numpy,brandon-rhodes/numpy,SiccarPoint/numpy,WillieMaddox/numpy,sigma-random/numpy,pyparallel/numpy,kiwifb/numpy,kirillzhuravlev/numpy,Linkid/numpy,WillieMaddox/numpy,cjermain/numpy,ahaldane/numpy,drasmuss/numpy,numpy/numpy,hainm/numpy,dwf/numpy,mhvk/numpy,MSeifert04/numpy