Hi,
The latest OPenGL subversion source (available from http://graphcomp.com/opengl/index.cgi?v=0111s5m1&r=s1m1) builds straight out of the box using nmake and Visual Studio. To have it build straight out of the box on Strawberry Perl (ie using dmake and MinGW), it's necessary to replace nmake syntax with dmake syntax in a small makefile (utils/makefile.mak). I'm nearly there, but there's one section of the makefile.mak that I haven't been able to successfully rewrite. In its current (nmake syntax) form that section is: 
 clean:
    if exist glversion.txt del glversion.txt
    if exist glversion.exe del glversion.exe
    if exist glversion.txt del glversion.obj

[download]
Looking at the Win32/makefile.mk that comes with the perl source, I thought the following would work (but it doesn't): 
clean:
    -if exist glversion.txt del glversion.txt
    -if exist glversion.exe del glversion.exe
    -if exist glversion.txt del glversion.o

[download]
With one version of dmake that produces the following warnings (which don't prevent the build from completing successfully, but probably *do* mean that 'dmake clean' doesn't work correctly): 
dmake:  Error executing 'if': No such file or directory (Ignored)
dmake:  Error executing 'if': No such file or directory (Ignored)
dmake:  Error executing 'if': No such file or directory (Ignored)

[download]
With another version of dmake, however, the same section produces a fatal error which *does* prevent the build from completing successfully.

Any advice on how that section needs to be rewritten for dmake would be appreciated. In the meantime, I'll keep digging.

Cheers,
Rob

In reply to [OT] Makefiles - nmake syntax v dmake syntax by syphilis

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