API compiling issues: undefined reference to dr_app_setup

[Xin He]

Hi all,

I'm trying to use DynamoRIO's start/stop API dr_app_setup_and_start() and dr_app_stop_and_cleanup() to mark the region of interests of my application when using DynamoRIO DrCacheSim tool's offline memory address traces. However, I cannot get the code to compile correctly.

My application code looks  somehow like below:

#Include "dr_api.h"

int main () {

    // initialization from file

    dr_app_setup_and_start();

    // some MKL routine

    dr_app_stop_and_cleanup();

    // deallocate data structures

    return 0;

}

My Makefile looks like the following:

MKLROOT=${HOME}/intel/compilers_and_libraries_2019.3.199/linux/mkl

DRROOT := ${HOME}/DynamoRIO-Linux-8.0.0-1

MODE := release

I_INC1 = $(DRROOT)/include

I_INC2 = $(DRROOT)/ext/include

C_INCLUDES = -I$(I_INC1) -I$(I_INC2)

CFLAGS= -std=c++11 -L${MKLROOT}/lib/intel64 -Wl,--no-as-needed -lmkl_intel_ilp64 -lmkl_gnu_thread -lmkl_core -lgomp -lpthread -lm -ldl  -DMKL_ILP64 -m64 -I${MKLROOT}/include -DLINUX -DX86_64 -fPIC

spmm:   mkl_spmm.cpp

        g++ $(C_INCLUDES) $(CFLAGS) mkl_spmm.cpp -o mkl_spmm -g

When I run "make spmm", I will get the following error:

    error: undefined reference to 'dr_app_setup_and_start'

    error: undefined reference to 'dr_app_stop_and_cleanup'

If I add '-shared' to CFLAGS in the Makefile, it would successfully compile but when I run the executable, it will give me segmentation fault.

I am new to DynamoRIO and I haven't found similar problems anywhere. Please let me know if I am missing anything.

Thanks in advance!

[Derek Bruening]

Nothing obvious jumps out.  I would make a CMake version and then diff the flags.

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