I could not repeat the exact output Chris got. Still FTBFS on my end in a clean chroot, with the following output:
standardPregraph/contig.o: In function `call_heavygraph': contig.c:(.text+0x8a6): undefined reference to `I' contig.c:(.text+0x91f): undefined reference to `no symbol' contig.c:(.text+0x994): undefined reference to `no symbol' contig.c:(.text+0xa0a): undefined reference to `no symbol' contig.c:(.text+0xa68): undefined reference to `' collect2: error: ld returned 1 exit status Makefile:70: recipe for target 'SOAPdenovo-63mer' failed make[1]: *** [SOAPdenovo-63mer] Error 1 make[1]: *** Waiting for unfinished jobs.... make[2]: Leaving directory '/<<BUILDDIR>>/soapdenovo2- 240+dfsg1/standardPregraph' standardPregraph/contig.o: In function `call_heavygraph': contig.c:(.text+0x8a6): undefined reference to `I' contig.c:(.text+0x91f): undefined reference to `no symbol' contig.c:(.text+0x994): undefined reference to `no symbol' contig.c:(.text+0xa0a): undefined reference to `no symbol' contig.c:(.text+0xa68): undefined reference to `' collect2: error: ld returned 1 exit status Makefile:74: recipe for target 'SOAPdenovo-127mer' failed make[1]: *** [SOAPdenovo-127mer] Error 1 make[1]: Leaving directory '/<<BUILDDIR>>/soapdenovo2-240+dfsg1' Hope this helps. Ghis

