include files for cgxCADTools

[Mark Brethen]

Thanks everyone for the much needed guidance, I submitted a ticket in the trac.

Mark



> On Aug 8, 2022, at 12:08 PM, Robert Kennedy <amtor at hotmail.com> wrote:
> 
> Mark,
> 
> The Makefile template that you sent me looks like it was based on a Makefile template for C programs, NOT C++ programs.
> 
> For C++, you need to set CXX to the compiler and use CXXFLAGS for the C++ compiler flags.   Use+=.  Do not use := since MacPorts will likely want to add its own flags.
> 
> LDFLAGS should be also be used to set any linker flags.  Again use +=
> e,g,  LDFLAGS += 
> 
> Here is the format.
> 
> $(MAIN): $(OBJS)
>  $(CXX) $(CXXFLAGS) $(LDFLAGS) $(INCLUDES) -o $(MAIN) $(OBJS)$(LFLAGS) $(FWORKDIRS) $(LIBS) $(FWORKS)
> 
> where LFLAGS += library directories.
> LIBS += library flags e.g.  -lm for math library
> FWORKDIRS += Framework directories etc
> 
> Rob
> From: macports-dev <macports-dev-bounces at lists.macports.org> on behalf of Mark Brethen <mark.brethen at gmail.com>
> Sent: August 8, 2022 12:22 PM
> To: Joshua Root <jmr at macports.org>
> Cc: MacPorts Developers <macports-dev at lists.macports.org>
> Subject: Re: include files for cgxCADTools
>  
> The makefile only sets cc, not c++. If I remove -lstc++ from LIBS, then I need to add it to the portfile using LDFLAGS. The Makefile uses LFLAGS, which I don’t want to override. Should I add LDFLAGS to MAIN, like so:
> 
> $(MAIN): $(OBJS) 
>         $(CC) $(CFLAGS) $(INCLUDES) -o $(MAIN) $(OBJS) $(LFLAGS) $(LIBS) $(LDFLAGS)
> 
> 
> 
> 
> 
> 
> 
> Mark Brethen
> mark.brethen at gmail.com
> 
> 
> 
> > On Aug 8, 2022, at 11:10 AM, Joshua Root <jmr at macports.org> wrote:
> > 
> > That's a completely different thing. The language standard is selected by -std, the stdlib implementation is selected by -stdlib, and linking to a stdlib directly (as -lstdc++ does) is usually a bug since the C++ compiler will implicitly add the appropriate stdlib when linking.
> > 
> > - Josh
> > 
> > On 2022-8-9 01:16 , Mark Brethen wrote:
> >> There is also -lstdc++, I thought those should be set in the Portfile. Doesn’t macports-clang have its own standard?
> >> Mark Brethen
> >> mark.brethen at gmail.com <mailto:mark.brethen at gmail.com <mailto:mark.brethen at gmail.com>>
> >>> On Aug 7, 2022, at 7:22 PM, Ryan Schmidt <ryandesign at macports.org <mailto:ryandesign at macports.org <mailto:ryandesign at macports.org>>> wrote:
> >>> 
> >>> In fact, the Makefile already had -std=c++11, but your patchfile removed it. So don't remove it.
> > 

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