Hi, I think you forgot to add exo-aliasdef.c in svn repository;
build fail:

make  all-recursive
make[1]: Entering directory `/home/bash/libexo-svn/src/libexo-build'
Making all in exo
make[2]: Entering directory `/home/bash/libexo-svn/src/libexo-build/exo'
make  all-am
make[3]: Entering directory `/home/bash/libexo-svn/src/libexo-build/exo'
make[3]: *** No rule to make target `exo-aliasdef.c', needed by `libexo_0_3_la-exo-aliasdef.lo'.  Stop.
make[3]: Leaving directory `/home/bash/libexo-svn/src/libexo-build/exo'
make[2]: *** [all] Error 2
make[2]: Leaving directory `/home/bash/libexo-svn/src/libexo-build/exo'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/bash/libexo-svn/src/libexo-build'
make: *** [all] Error 2

$ find . -name exo-aliasdef.c
$