[ringland@dhcppc1 BH2.1]$ make
g++ -fno-for-scope -o stepBH stepBH.c
/tmp/ccWM8zzO.o: In function `operator<<(ostream &, Homeo const &)':
/tmp/ccWM8zzO.o(.text+0x8d9e): undefined reference to `operator<<(ostream &, Set<Vertex> const &)'
/tmp/ccWM8zzO.o: In function `Homeo::translate(void)':
/tmp/ccWM8zzO.o(.text+0xa6fa): undefined reference to `operator<<(ostream &, LinList<DE> const &)'
/tmp/ccWM8zzO.o: In function `Homeo::Homeo(istream &)':
/tmp/ccWM8zzO.o(.text+0xbf7d): undefined reference to `operator>>(istream &, Set<Vertex> &)'
/tmp/ccWM8zzO.o(.text+0xbfc5): undefined reference to `operator>>(istream &, Set<MapElement> &)'
/tmp/ccWM8zzO.o(.text+0xc00d): undefined reference to `operator>>(istream &, LinList<DE> &)'
/tmp/ccWM8zzO.o: In function `Homeo::fold(DE, DE, int)':
/tmp/ccWM8zzO.o(.text+0x1244e): undefined reference to `operator<<(ostream &, Set<Vertex> const &)'
/tmp/ccWM8zzO.o: In function `Homeo::pullTight_type1(void)':
/tmp/ccWM8zzO.o(.text+0x16d4b): undefined reference to `operator<<(ostream &, CircList<DE> const &)'
/tmp/ccWM8zzO.o: In function `Homeo::removeValenceOneVertices(void)':
/tmp/ccWM8zzO.o(.text+0x17c03): undefined reference to `operator<<(ostream &, CircList<DE> const &)'
/tmp/ccWM8zzO.o: In function `Homeo::removeAValenceTwoVertex(void)':
/tmp/ccWM8zzO.o(.text+0x1a133): undefined reference to `operator<<(ostream &, CircList<DE> const &)'
/tmp/ccWM8zzO.o: In function `Homeo::removeValenceTwoVertices(void)':
/tmp/ccWM8zzO.o(.text+0x1ae67): undefined reference to `operator<<(ostream &, Set<Vertex> const &)'
/tmp/ccWM8zzO.o(.text+0x1af13): undefined reference to `operator<<(ostream &, CircList<DE> const &)'
/tmp/ccWM8zzO.o: In function `Homeo::step6(void)':
/tmp/ccWM8zzO.o(.text+0x1d1be): undefined reference to `operator<<(ostream &, CircList<DE> const &)'
/tmp/ccWM8zzO.o: In function `Homeo::mapIsContinuous(void) const':
/tmp/ccWM8zzO.o(.text+0x20067): undefined reference to `operator<<(ostream &, CircList<DE> const &)'
/tmp/ccWM8zzO.o: In function `SetIterator<Vertex>::current(void)':
/tmp/ccWM8zzO.o(.SetIterator<Vertex>::gnu.linkonce.t.current(void)+0xc5): undefined reference to `operator<<(ostream &, Set<Vertex> const &)'
/tmp/ccWM8zzO.o: In function `ostream & operator<<<LinList<DE> >(ostream &, CircList<LinList<DE> > const &)':
/tmp/ccWM8zzO.o(.gnu.linkonce.t.__ls__H1Zt7LinList1Z2DE_R7ostreamRCt8CircList1ZX01_R7ostream+0x78): undefined reference to `operator<<(ostream &, LinList<DE> const &)'
collect2: ld returned 1 exit status
make: *** [stepBH] Error 1
[ringland@dhcppc1 BH2.1]$