On Fri, 31 Oct 2003 [EMAIL PROTECTED] wrote: > 1. Putting libraries at the end has not helped > You must always do this. This is the way linkers work.
> 2. I'm using g++ only now in both compile and link stages...Just out of > curiousity though, isn't gcc supposed to 'call' g++ internally based on > the file extension? > I believe it does when compiling with the -c switch. But, for linking, you must use g++ as there is no file extension to base this on (.o). > 3. In terms of cygwin handling C:\ type paths. It always seem to be able to, > but I will try to fully qualify them with /cygdrive/c/... > Cygwin emulates Posix. Posix does not understand C:\. So, Cygwin's gcc doesn't/shouldn't understand C:\. > Just to clarify. I'm using G++, but the code makes some use of the conio > functions which need then be linked with the mingw libraries. I figured that > should only inlcude the mingw headers/libraries (including the stdc++ one), > instead of the one provided in the other g++ dirs. Hence the use the > attempted uses of -nocygwin and -nostdinc++. > Just -mno-cygwin is sufficient. > exact compilation line (bare in mind, its been through several iterations): > ******************************************* > HdrPath > +=$(BLDVOL)\Allegro\RP306\RomPager\Includes;$(BLDVOL)\Allegro\RP306\Engine\Includes;.\hdr > I don't know what kind of a make system you are using, but I don't recognize any of that syntax. > SysHdrPath +=C:\cygwin\usr\include\mingw; > SysHdrPath +=C:\cygwin\usr\include\mingw\g++-3; > SysHdrPath +=C:\cygwin\usr\include\mingw\sys > None of this is needed with -mno-cygwin and should not be used. > g++ > -c > $(CC_FLAGS_386) $(CC_DBG_FLAG_386) $(CC_OPT_PCH) #bunch of -D..flags > -D$(CC_DEFS_386,W -D) > -I$(HdrPath:;= -I) > -nostdinc++ > -isystem$(SysHdrPath:;= -isystem) > Don't do either of these. > $(.SOURCE) > ******************************************* > > Linking (using clearcase make...so the %foreach turns out correctly) > ******************************************* > Ok, I don't know anything about how clearcase works. > g++ > -mno-cygwin -g -o$(_Target) > -nostdinc++ > Again, don't use -nostdinc++. > #-nodefaultlibs > -L/cygdrive/c/cygwin/lib/mingw > Or this -L. > -Wl,--start-group > %foreach Link in $(LinkFiles) > $(LinksPath)\$(Link) > %end > -L/cygdrive/c/cygwin/lib/mingw > Again, don't use this -L. > -lwsock32 > -lstdc++ > -lgcc > Don't use either of these. g++ will handle them for you. > -Wl,--end-group > -Wl,-L/cygdrive/c/cygwin/lib/mingw > Not this -L either. What I/we really wanted to see is the EXACT command line as it appears on the console, and the output g++ sends to the console. NOT you clearcase make stuff. It is impossible to guess how clearcase, etc. gets from here to there. -- Brian Ford Senior Realtime Software Engineer VITAL - Visual Simulation Systems FlightSafety International Phone: 314-551-8460 Fax: 314-551-8444 -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
