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Pre-Processing source files via Makefile

 
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dheller



Joined: 12 May 2011
Posts: 13
Location: Germany
PostPosted: Thu Jun 13, 2013 9:58 am    Post subject: Pre-Processing source files via Makefile Reply with quote
Hello,

in a current project, I have two groups of source files:
- Group A files must be pre-processed with an external preprocessor before being compiled and linked.
- Group B files will be compiled and linked just like normal.

It is important, however, to save the pre-processed files under new filenames, as the original files must be kept.

So, for a single Group A file arclen.for, I would do:
Code:
fcomp = c:\Program Files (x86)\FTN95\ftn95
fpp = c:\Program Files (x86)\Intel\Compiler\11.1\065\bin\intel64\fpp

arclen__PP.for : arclen.for
         $(fpp) $(fppargs) /P arclen.for arclen__PP.for

arclen__PP.obj : arclen__PP.for
        $(fcomp) arclen__PP.for $(fd)

with fppargs, fd being some fixed parameters for compiler/preprocessor.

But since I need many Group A files to be pre-processed, I would need an automated way to specify input and output filenames for the preprocessor and hand them on to the compiler.

I tried doing things such as
Code:
ppedfiles : $(ppfiles)
           $(foreach file,$(ppfiles),$(fpp) $(fppargs)   /P $(file) $(file)__PP)

but it didn't work.

I'm new to makefiles so I'd gladly appreciate some help.



*** Note: I know that ftn95 can pre-process, too (/CFPP), but it doesn't support all the options I need.

To be more specific, I need to handle
Code:
#ifdef __INTEL_
#define dot(a,b,n) ddot(n,a,1,b,1)
#endif

in a number of source files, but the Ftn95 pre-processor doesn't like the second line of this, even if the whole block should be omitted anyway, as it is only relevant when using the Intel compiler.
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PaulLaidler
Site Admin


Joined: 21 Feb 2005
Posts: 8210
Location: Salford, UK
PostPosted: Thu Jun 13, 2013 1:20 pm    Post subject: Reply with quote
I doubt if I can help but which MAKE utility are you using, Silverfrost MK32 or something else?
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dheller



Joined: 12 May 2011
Posts: 13
Location: Germany
PostPosted: Thu Jun 13, 2013 5:04 pm    Post subject: Reply with quote
Yes, I'm using Mk32.
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PaulLaidler
Site Admin


Joined: 21 Feb 2005
Posts: 8210
Location: Salford, UK
PostPosted: Thu Jun 13, 2013 5:26 pm    Post subject: Reply with quote
OK. What MK32 instruction did you try, what did it aim to do and what was the failure message?
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dheller



Joined: 12 May 2011
Posts: 13
Location: Germany
PostPosted: Fri Jun 14, 2013 9:29 am    Post subject: Reply with quote
Okay, so the first thing I need to do is specify filenames for in- and output for the preprocessor.
Code:
ppfiles = arclen.for dynamics.for ext.for [...]


Now for each file in ppfiles, the preprocessor fpp must generate an output file $(name)__PP.for.
Code:
ppedfiles = $(ppfiles:.for=__PP.for)


However, this doesn't seem to work:
Code:
all : $(ppfiles)
      @echo $(ppedfiles)

yields the following output ... $(ppedfiles) seems to be empty.
Quote:
[Salford MK/Win32 Version 3.89, Copyright (c) Silverfrost Ltd. 1996-2006]
ECHO ist eingeschaltet (ON).



I tried it in a different way, $(fpp) and $(fppargs) being path and parameters for the preprocessor, so my full makefile would be this:
Code:
fpp = c:\Program Files (x86)\Intel\Compiler\11.1\065\bin\intel64\fpp
fppargs= /D__SALFORD_

ppfiles = arclen.for

all : $(ppfiles)
    $(foreach file,$(ppfiles),$(fpp) $(fppargs)   /P $(file) $(file)__PP)


In this case, Mk32 displays its startup message and then just freezes.
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PaulLaidler
Site Admin


Joined: 21 Feb 2005
Posts: 8210
Location: Salford, UK
PostPosted: Fri Jun 14, 2013 3:18 pm    Post subject: Reply with quote
It is a long time since I did much with MAKEFILEs but I offer the following comments

1) "all" and "foreach" will not be recognised by MK32 unless you define them.

2) The "ECHO" in the failure report will be generated by a batch file.
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