Hello everyone
I am beginner to this gem5 community. I wanted to create a sim object by
following the official documentation. I created a header file, python file
and .cc file of HelloObject along with SConscript. When I tried to build
the thing, I am getting an error that " no declaration mathes the
HelloObject". When I tried to build the examples provided in the gem5
directory itself, it is working fine. I cannot find where the error is and
I mentioned the error below. Please help me with this thing.
Warning: Couldn't find any HDF5 C++ libraries. Disabling HDF5 support.
Checking whether __i386__ is declared... (cached) no
Checking whether __x86_64__ is declared... (cached) yes
Building in /home/abhi/gem5/build/X86
Using saved variables file /home/abhi/gem5/build/variables/X86
scons: done reading SConscript files.
scons: Building targets ...
[ CXX] X86/hpca_tutorial/hello_object.cc -> .o
*build/X86/hpca_tutorial/hello_object.cc:12:1: error: no declaration
matches 'HelloObject* HelloObjectParams::create()'*
* 12 | HelloObjectParams::create()*
* | ^~~~~~~~~~~~~~~~~*
In file included from build/X86/hpca_tutorial/hello_object.hh:4,
from build/X86/hpca_tutorial/hello_object.cc:1:
build/X86/params/HelloObject.hh:17:19: note: candidate is: 'HelloObject*
HelloObjectParams::create() const'
17 | HelloObject * create() const;
| ^~~~~~
build/X86/params/HelloObject.hh:14:8: note: 'struct HelloObjectParams'
defined here
14 | struct HelloObjectParams
| ^~~~~~~~~~~~~~~~~
scons: *** [build/X86/hpca_tutorial/hello_object.o] Error 1
scons: building terminated because of errors.
*** Summary of Warnings ***
Warning: Header file <png.h> not found.
This host has no libpng library.
Disabling support for PNG framebuffers.
Warning: Couldn't find any HDF5 C++ libraries. Disabling HDF5 support.
Best regards
Abhijeeth
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