> I do this: > > $ gcc f1.c f2.c -Wall > /usr/local/bin/ld: Warning: alignment 4 of symbol `c' in f2.o is smaller than 8 in f1.o > /usr/local/bin/ld: Warning: size of symbol `c' changed from 8 in f1.o to 4 in f2.o > > You should always use -Wall when gcc does anything unexpected. > Hi Andrew Yes, I get this warning too. But what I want to understand is why do we get the size of c as 8 when it should be 4 because the linker will find that there are multiple declarations of c and will keep the strong one which is the declaration with int. Please see slides 22,23,24 from here: https://www.cs.cmu.edu/afs/cs/academic/class/15213-f10/www/lectures/11-linking.pdf Lakshay G.
