cc     fi.c   -o fi
cc   -std=c99 -Os -Wall -Wextra -pedantic -s iim.c -o iim
/usr/bin/ld: error: fi uses VFP register arguments, /tmp/ccbjHLIi.o does not
/usr/bin/ld: failed to merge target specific data of file /tmp/ccbjHLIi.o
collect2: error: ld returned 1 exit status
make: *** [fi] Error 1
make: *** Waiting for unfinished jobs....
/usr/bin/ld: error: iim uses VFP register arguments, /tmp/ccpciMdI.o does not
/usr/bin/ld: failed to merge target specific data of file /tmp/ccpciMdI.o
collect2: error: ld returned 1 exit status
make: *** [iim] Error 1