From: "MB" Newsgroups: comp.os.msdos.djgpp Subject: Re: multiple cpp files Date: Wed, 21 Apr 1999 21:44:16 +0200 Organization: World Access / Planet Internet Lines: 21 Message-ID: <7fl9q1$s4o$1@reader1.wxs.nl> References: <7fl6s7$obvl$1 AT reader3 DOT wxs DOT nl> <199904211933 DOT PAA08702 AT envy DOT delorie DOT com> NNTP-Posting-Host: 195.121.189.111 X-Trace: reader1.wxs.nl 924723841 28824 195.121.189.111 (21 Apr 1999 19:44:01 GMT) X-Complaints-To: abuse AT wxs DOT nl NNTP-Posting-Date: 21 Apr 1999 19:44:01 GMT X-Newsreader: Microsoft Outlook Express 4.72.3110.5 X-MimeOLE: Produced By Microsoft MimeOLE V4.72.3110.3 To: djgpp AT delorie DOT com DJ-Gateway: from newsgroup comp.os.msdos.djgpp Reply-To: djgpp AT delorie DOT com thanks, but how exactly did you use that word again? in the cpp file or in the header file? DJ Delorie heeft geschreven in bericht <199904211933 DOT PAA08702 AT envy DOT delorie DOT com>... > >> I have a little project with a few cpp files and a header file. The problem >> is that i want to define a few variables that are known all over the project >> in all cpp files. If i define them in the header file and include the header >> file in all the cpp files they all compile but it won't link (multiple >> define error). So how can i do this? (if it is possible). > >Sounds like you're forgetting the "extern" keyword. > >http://www.delorie.com/djgpp/doc/ug/ - the "larger progects" sections.