Hi all,
I am linking Terra directly into an app of mine, and loading some luaterra from
a file called config.t.
In config.t I might call some C functions exposed by my code like this:
sim = terralib.includecstring([[
#include "terrafn.cuh"
]], "-I", ".", "-I", "..", "-I", "./app")
terra hello()
var l = sim.realtime()
return [uint32](l)
end
hello()
I get an LLVM ERROR saying that the external realtime() could not be resolved.
I have attempted to solve this problem by providing -fPIC to clang++, which
doesn't work. HOWEVER, if I compile my binary by putting everything in a
library and linking to that, it works perfectly fine:
clang++ -g -shared -o libslab.so ./*.o
clang++ -c -pipe -fpermissive -g -fPIC .................. -I. -o main.o main.cpp
clang++ -ccc-gcc-name g++ ....... -o mol -L. -lslab
...............................
In fact, I've been doing it this way for a long time, ignoring the problem. Now
I would prefer it to be in the same binary, because I don't really want to hack
my Qt .pro file to pieces.
Also, I do make sure I use the usual extern "C" where appropriate.
Any tips greatly appreciated.
Regards,
Alwyn
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