Can you verify that crypto\include\internal\bn_conf.h.in exists? It should, it's part of the source. Can you check if there's a file with a similar name in crypto\include\internal? Cheers, Richard ( am wondering if there are tar implementations that screw up file name with more than one period... ) In message <BN6PR17MB1233A4F4FCD18348875FD668D1140@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> on Mon, 1 May 2017 15:02:41 +0000, James Condren <jcondren@xxxxxxxxx> said: jcondren> Getting the following error when attempting to make: jcondren> jcondren> NMAKE : fatal error U1073: don't know how to make jcondren> '"crypto\include\internal\bn_conf.h.in"' jcondren> jcondren> Stop. jcondren> jcondren> Here¢s the lines from the makefile that are creating the error: jcondren> jcondren> crypto\include\internal\bn_conf.h: jcondren> "crypto\include\internal\bn_conf.h.in" "configdata.pm" jcondren> jcondren> "$(PERL)" "-I$(BLDDIR)" -Mconfigdata "util\dofile.pl" \ jcondren> jcondren> "-omakefile" "crypto\include\internal\bn_conf.h.in" > $@ jcondren> jcondren> If I remove '"crypto\include\internal\bn_conf.h.in"', it then gives me jcondren> the following error: jcondren> jcondren> NMAKE : fatal error U1073: don't know how to make '".\Configure"' jcondren> jcondren> Stop. jcondren> -- openssl-users mailing list To unsubscribe: https://mta.openssl.org/mailman/listinfo/openssl-users