undefined reference to `main' using Autotools

undefined reference to `main' using Autotools

I have a little program, when I run make this error appears:
$ make
make all-recursive
make[1]: se ingresa al directorio «/home/foo/boolham»
Making all in src
make[2]: se ingresa al directorio «/home/foo/boolham/src»
/bin/bash ../libtool --tag=CC --mode=link gcc -std=gnu99 -g -O2 -o
set set.o
libtool: link: gcc -std=gnu99 -g -O2 -o set set.o
/usr/lib/gcc/x86_64-linux-gnu/4.6/../../../x86_64-linux-gnu/crt1.o: In
function `_start':
(.text+0x20): undefined reference to `main'
collect2: ld returned 1 exit status
make[2]: *** [set] Error 1
make[2]: se sale del directorio «/home/foo/boolham/src»
make[1]: *** [all-recursive] Error 1
make[1]: se sale del directorio «/home/foo/boolham»
make: *** [all] Error 2
My Makefile.am has:
lib_LTLIBRARIES = libfsequence.la
libfsequence_la_SOURCES = fsequence.c fsequence.h
bin_PROGRAMS = set main
main_SOURCES = main.c main.h
set_SOURCES = set.c set.h
main_LDADD = libfsequence.la
What's wrong with my code?