#4 Compile does not complete.

[Silent-Hunter]

I get this:

/bin/sh ../libtool --tag=CC --mode=link gcc -g -O2 -o garden cloud.o display.o display_init.o ebullet.o eclass.o enemy.o game.o input.o level.o main.o menu.o palette.o pbullet.o sound.o stuff.o -L/usr/lib64 -Wl,--export-dynamic -lalleg-4.2.3 -lalleg_unsharable
libtool: link: gcc -g -O2 -o garden cloud.o display.o display_init.o ebullet.o eclass.o enemy.o game.o input.o level.o main.o menu.o palette.o pbullet.o sound.o stuff.o -Wl,--export-dynamic -L/usr/lib64 -lalleg-4.2.3 -lalleg_unsharable
/usr/bin/ld: stuff.o: undefined reference to symbol 'sincosf@@GLIBC_2.2.5'
/usr/bin/ld: note: 'sincosf@@GLIBC_2.2.5' is defined in DSO /lib64/libm.so.6 so try adding it to the linker command line
/lib64/libm.so.6: could not read symbols: Invalid operation
collect2: ld returned 1 exit status
make[1]: *** [garden] Error 1
make[1]: Leaving directory `/home/silent/.source/garden-1.0.8/bin'
make: *** [all-recursive] Error 1