Hello,
I have noticed a few problems that are making it difficult for me to use
brlcad.
1) There seems to be a difference in operation between the tools provided
by brlcad-7.20.4-0_i386.deb and brlcad-7.20.4-0_amd64.deb.
Example:
I made a file "out.mged" with the following lines in it:
in c1.s rcc 0.0 0.0 0.0 0.0 2.5 0.0 0.1
in c2.s rcc 0.0 2.5 0.0 1.2 3.0 0.0 0.1
r r1.r u c1.s u c2.s
and then I ran:
mged -c dbase < out.mged
followed by:
g-stl -o out.stl dbase r1.r
In 64 bit mode the result was an appropriate stl file while in
i386 the final command wrote:
{c1.s} u {c2.s}
cut_unimonotone(): infinite loop 956e7c0
cut_unimonotone(): infinite loop
FAILED in triangulator: /r1.r
0 triangles written
to stdout and it filled the out.stl file with just one line:
solid r1.r
2) Then I thought the problem might be with a bad i386 build so I
attempted to build from source. I tried with the source distribution
.tar.bz2 file as well as with the code from svn. In both cases I followed
the instructions in the file: INSTALL
gunzip
brlcad-X.Y.Z.tar.gz
tar -xvf
brlcad-X.Y.Z.tar
mkdir
brlcad-build
cd
brlcad-build
cmake ../brlcad-X.Y.Z -DBRLCAD_BUNDLED_LIBS=ON
-DCMAKE_BUILD_TYPE=Release
make
In each case the file /src/librt/primatives/nmg/nmg_tri.c gave
warnings that were treated as errors and the build stopped.
I tried fixing these warnings (the first few were simple and only
involved some variables being declared and initialized but never used) but
there were some problems with unused function parameters. I did not feel
like changing a function interface just to compile code.
I suggest that the brlcad source be put in a state that it can be
compiled right out of the box by a somewhat competent programmer. I am will
to help with this but I am not sure where to start. What do you usually do
to compile this code???
By the way, I am using:
3.0.0-17-generic-pae #30-Ubuntu SMP Thu Mar 8 17:53:35 UTC 2012
i686 athlon i386 GNU/Linux
and
gcc (Ubuntu/Linaro 4.6.1-9ubuntu3) 4.6.1
I hope this helps,
Karl Edler
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