SCons: Add "execinfo" option to force linking libexecinfo
SCons: Add "execinfo" option to force linking libexecinfo

Fixes #20035.

sanikoyes/godot,mcanders/godot,RandomShaper/godot,RandomShaper/godot,DmitriySalnikov/godot,ZuBsPaCe/godot,pkowal1982/godot,Shockblast/godot,akien-mga/godot,sanikoyes/godot,NateWardawg/godot,BastiaanOlij/godot,groud/godot,vkbsb/godot,groud/godot,josempans/godot,pkowal1982/godot,DmitriySalnikov/godot,godotengine/godot,sanikoyes/godot,okamstudio/godot,okamstudio/godot,groud/godot,vkbsb/godot,NateWardawg/godot,okamstudio/godot,NateWardawg/godot,Valentactive/godot,okamstudio/godot,okamstudio/godot,pkowal1982/godot,RandomShaper/godot,Shockblast/godot,vkbsb/godot,groud/godot,Paulloz/godot,firefly2442/godot,DmitriySalnikov/godot,godotengine/godot,groud/godot,guilhermefelipecgs/godot,guilhermefelipecgs/godot,vnen/godot,sanikoyes/godot,groud/godot,Paulloz/godot,Paulloz/godot,ZuBsPaCe/godot,Zylann/godot,NateWardawg/godot,josempans/godot,okamstudio/godot,guilhermefelipecgs/godot,akien-mga/godot,DmitriySalnikov/godot,ex/godot,DmitriySalnikov/godot,Valentactive/godot,Faless/godot,akien-mga/godot,akien-mga/godot,ex/godot,RandomShaper/godot,Valentactive/godot,josempans/godot,Faless/godot,godotengine/godot,guilhermefelipecgs/godot,Faless/godot,MarianoGnu/godot,vkbsb/godot,josempans/godot,DmitriySalnikov/godot,josempans/godot,okamstudio/godot,MarianoGnu/godot,firefly2442/godot,mcanders/godot,mcanders/godot,okamstudio/godot,ex/godot,ZuBsPaCe/godot,BastiaanOlij/godot,Zylann/godot,Shockblast/godot,Zylann/godot,guilhermefelipecgs/godot,Valentactive/godot,vnen/godot,honix/godot,ZuBsPaCe/godot,Paulloz/godot,firefly2442/godot,MarianoGnu/godot,Faless/godot,MarianoGnu/godot,sanikoyes/godot,BastiaanOlij/godot,josempans/godot,vkbsb/godot,pkowal1982/godot,ex/godot,vnen/godot,josempans/godot,NateWardawg/godot,RandomShaper/godot,guilhermefelipecgs/godot,honix/godot,pkowal1982/godot,honix/godot,mcanders/godot,vnen/godot,firefly2442/godot,RandomShaper/godot,BastiaanOlij/godot,vkbsb/godot,MarianoGnu/godot,Zylann/godot,okamstudio/godot,NateWardawg/godot,godotengine/godot,vnen/godot,Faless/godot,godotengine/godot,MarianoGnu/godot,Valentactive/godot,vkbsb/godot,akien-mga/godot,BastiaanOlij/godot,guilhermefelipecgs/godot,godotengine/godot,Shockblast/godot,Valentactive/godot,ex/godot,Paulloz/godot,honix/godot,akien-mga/godot,ZuBsPaCe/godot,Shockblast/godot,DmitriySalnikov/godot,ZuBsPaCe/godot,ex/godot,Paulloz/godot,ex/godot,pkowal1982/godot,ex/godot,Faless/godot,Shockblast/godot,Valentactive/godot,vnen/godot,godotengine/godot,Shockblast/godot,godotengine/godot,MarianoGnu/godot,akien-mga/godot,BastiaanOlij/godot,BastiaanOlij/godot,sanikoyes/godot,MarianoGnu/godot,NateWardawg/godot,firefly2442/godot,firefly2442/godot,sanikoyes/godot,ZuBsPaCe/godot,honix/godot,okamstudio/godot,Faless/godot,Zylann/godot,ZuBsPaCe/godot,mcanders/godot,firefly2442/godot,NateWardawg/godot,sanikoyes/godot,firefly2442/godot,guilhermefelipecgs/godot,pkowal1982/godot,Zylann/godot,RandomShaper/godot,Shockblast/godot,honix/godot,Zylann/godot,vnen/godot,vnen/godot,Zylann/godot,NateWardawg/godot,josempans/godot,Valentactive/godot,mcanders/godot,BastiaanOlij/godot,Paulloz/godot,akien-mga/godot,Faless/godot,pkowal1982/godot,vkbsb/godot