Re: gEDA-user: make question

[Dan McMahill <dan@xxxxxxxxxxxx>]

Craig Niederberger wrote:
> OK, this one is for you developer gurus.  It is definitely off topic, 
> and I deeply apologize for that, but I'm not sure where to post this.  
> If you know of a better place please let me know.  However, in this 
> massive multideveloper yet beautifully orchestrated project I've come to 
> know as gEDA, I'm guessing that someone out there can help me with this 
> gnarly Makefile problem.  The problem is this: I'm trying to use GSL 
> (Gnu scientific library) in a project.  In this source file network.cpp 
> which sits in a directory called msvc is the line:
>
> #include "gsl_eigen.h"  // GSL eigenvalue routines
>
> The file gsl_eigen.h is in the directory in msvc/gsl/gsl, and has the 
> following lines:
>
> #include <gsl/gsl_vector.h>
> #include <gsl/gsl_matrix.h>
>
> Those header files also live in msvc/gsl/gsl, but I can't figure out how 
> to compile network.cpp and have gsl_eigen.h find them.  My Makefile so 
> far is:
>
> vpath %.h msvc msvc/gsl msvc/gsl/gsl
> ...
> CPP = g++
> CPPFLAGS = -g -O2 -Wall -Wno-uninitialized
> ...
>
> network.o: network.cpp
>     $(CPP) $(CPPFLAGS) -Imsvc/gsl/gsl -o $@ -c $^
>
> and I'm getting these errors:
>
> g++ -g -O2 -Wall -Wno-uninitialized -Imsvc/gsl/gsl -o network.o -c 
> msvc/network.cpp
> In file included from msvc/network.cpp:8:
> msvc/gsl/gsl/gsl_eigen.h:23:28: error: gsl/gsl_vector.h: No such file or 
> directory
> msvc/gsl/gsl/gsl_eigen.h:24:28: error: gsl/gsl_matrix.h: No such file or 
> directory
> ...
>
> Does anyone have any idea how I can get msvc/gsl/gsl truly included in 
> the search for header source files so that gsl_eigen.h is happy?

you don't want msvc/gsl/gsl in the search path, you want msvc/gsl in the 
search path becase you are searching for "gsl/gsl_vector.h" which lives 
in msvc/gsl.    So change -Imsvc/gsl/gsl to -Imsvc/gsl

> Again, I deeply apologize for this off topic post, but I'm don't know 
> where else to turn!

help-make@xxxxxxx maybe?




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