[Octave-bug-tracker] [bug #47128] Overlapping macro definitions in octave-config.h and oct-conf-post.h

[Rik]

URL:
  <http://savannah.gnu.org/bugs/?47128>

                 Summary: Overlapping macro definitions in octave-config.h and
oct-conf-post.h
                 Project: GNU Octave
            Submitted by: rik5
            Submitted on: Fri 12 Feb 2016 05:22:05 PM PST
                Category: Configuration and Build System
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Regression
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: Any

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Details:

I compiled a recent tip (21253:a66a737913b5) and installed locally.  When I
try to build a .oct file (examples/code/helloworld.cc) I get warnings about
re-definition of macros.

This is caused by overlap between the new octave-config.h and oct-conf-post.h
which is included in config.h.


mkoctfile -v helloworld.cc 
g++ -c  -fPIC -I/home/rik/local/include/octave-4.1.0+/octave/..
-I/home/rik/local/include/octave-4.1.0+/octave -I/home/rik/local/include
-pthread -fopenmp -O2 -pipe    helloworld.cc -o helloworld.o
In file included from
/home/rik/local/include/octave-4.1.0+/octave/config.h:3554:0,
                 from
/home/rik/local/include/octave-4.1.0+/octave/../octave/oct.h:33,
                 from helloworld.cc:1:
/home/rik/local/include/octave-4.1.0+/octave/oct-conf-post.h:113:0: warning:
"OCTAVE_INT_USE_LONG_DOUBLE" redefined
 #  define OCTAVE_INT_USE_LONG_DOUBLE
 ^
In file included from
/home/rik/local/include/octave-4.1.0+/octave/../octave/oct.h:26:0,
                 from helloworld.cc:1:
/home/rik/local/include/octave-4.1.0+/octave/../octave/octave-config.h:106:0:
note: this is the location of the previous definition
 #define OCTAVE_INT_USE_LONG_DOUBLE 1
 ^
In file included from
/home/rik/local/include/octave-4.1.0+/octave/config.h:3554:0,
                 from
/home/rik/local/include/octave-4.1.0+/octave/../octave/oct.h:33,
                 from helloworld.cc:1:
/home/rik/local/include/octave-4.1.0+/octave/oct-conf-post.h:138:0: warning:
"OCTAVE_API" redefined
 #  define OCTAVE_API OCTAVE_IMPORT
 ^
In file included from
/home/rik/local/include/octave-4.1.0+/octave/../octave/oct.h:26:0,
                 from helloworld.cc:1:
/home/rik/local/include/octave-4.1.0+/octave/../octave/octave-config.h:87:0:
note: this is the location of the previous definition
 #  define OCTAVE_API
 ^
In file included from
/home/rik/local/include/octave-4.1.0+/octave/config.h:3554:0,
                 from
/home/rik/local/include/octave-4.1.0+/octave/../octave/oct.h:33,
                 from helloworld.cc:1:
/home/rik/local/include/octave-4.1.0+/octave/oct-conf-post.h:145:0: warning:
"OCTINTERP_API" redefined
 #  define OCTINTERP_API OCTAVE_IMPORT
 ^
In file included from
/home/rik/local/include/octave-4.1.0+/octave/../octave/oct.h:26:0,
                 from helloworld.cc:1:
/home/rik/local/include/octave-4.1.0+/octave/../octave/octave-config.h:88:0:
note: this is the location of the previous definition
 #  define OCTINTERP_API
 ^
g++ -I/home/rik/local/include/octave-4.1.0+/octave/..
-I/home/rik/local/include/octave-4.1.0+/octave -I/home/rik/local/include
-pthread -fopenmp -O2 -pipe -shared -Wl,-Bsymbolic  -o helloworld.oct 
helloworld.o   -L/home/rik/local/lib/octave/4.1.0+ -L/home/rik/local/lib
-loctinterp -loctave   






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