TWS API Linux - Segmentation fault - __bid64_to_string

Running Cpp sample client out of the box.

I receive a segmentation fault.

0x00005555555efba6 in __bid64_to_string ()

Have sourced this function to client file to Decimal.h

extern "C" void __bid64_to_string(char*, Decimal, unsigned int*);

This may have something to do with the floating point library that the API documentation mentions: Intel® Decimal Floating-Point Math Library

https://interactivebrokers.github.io/tws-api/introduction.html

I have checked if this is installed on my ubuntu version, using WSL Ubuntu 20.04.05

libintelrdfpmath-dev/now 2.0u2-4 amd64 [installed,local]

Looking at the makefile:

CXXFLAGS=-pthread -Wall -Wno-switch -Wpedantic -Wno-unused-function -std=c++11
ROOT_DIR=../../../source/cppclient
BASE_SRC_DIR=${ROOT_DIR}/client
INCLUDES=-I${BASE_SRC_DIR} -I${ROOT_DIR}
SHARED_LIB_DIRS=${BASE_SRC_DIR}
SHARD_LIBS=libTwsSocketClient.so
TARGET=TestCppClient

$(TARGET)Static:
    $(CXX) $(CXXFLAGS) $(INCLUDES) $(BASE_SRC_DIR)/*.cpp ./*.cpp $(BASE_SRC_DIR)/lib/libbid.a -o$(TARGET)Static

$(TARGET):
    $(CXX) $(CXXFLAGS) $(INCLUDES) ./*.cpp $(BASE_SRC_DIR)/lib/libbid.so $(SHARED_LIB_DIRS)/$(SHARD_LIBS) -o$(TARGET)

clean:
    rm -f $(TARGET) $(TARGET)Static *.o

The interesting part - I can compile the exact same code on Windows, VScode in win32.

I have tried to enforce 32bit with gcc. adding -m32.

When doing this compiler shows numerous complaints:

 1974 |  printf("Soft dollar tiers (%lu):", tiers.size());
      |                             ~~^     ~~~~~~~~~~~~
      |                               |               |
      |                               |               std::vector<SoftDollarTier>::size_type {aka unsigned int}
      |                               long unsigned int
      |                             %u

I commented out these functions which include %lu as do not need them in main application.

Compile again, this time we have errors with the librarys that are packaged with the TWS API - the Intel decimal floating point math library, these libs come with the original TWS installation and locate:

/source/cppclient/client/lib/libbid.a

/usr/bin/ld: i386:x86-64 architecture of input file `../../../source/cppclient/client/lib/libbid.a(bid64_string.o)' is incompatible with i386 output
/usr/bin/ld: i386:x86-64 architecture of input file `../../../source/cppclient/client/lib/libbid.a(bid128_2_str_tables.o)' is incompatible with i386 output
/usr/bin/ld: i386:x86-64 architecture of input file `../../../source/cppclient/client/lib/libbid.a(bid_decimal_data.o)' is incompatible with i386 output

win32 runs this just fine vscode.

running with ```gcc -m64``

Obtain seg fault again:

Thread 1 "TestCppClientSt" received signal SIGSEGV, Segmentation fault.
0x00005555555efba6 in __bid64_to_string ()
(gdb) bt
#0  0x00005555555efba6 in __bid64_to_string ()
#1  0x00007fffffffd940 in ?? ()
#2  0x00007fffffffd940 in ?? ()
#3  0x00007fffffffd940 in ?? ()
#4  0x00007fffffffd941 in ?? ()
#5  0x00007fffffffd940 in ?? ()
#6  0x00007fffffffd820 in ?? ()
#7  0x000055555555d5ff in std::iterator_traits<char*>::difference_type std::distance<char*>(char*, char*) ()
Backtrace stopped: previous frame inner to this frame (corrupt stack?)

Not sure what it could be at this point - WSL and running ubuntu on windows - that process manages memory? is ubuntu clashing with windows.

At this point - what else can I check / troubleshoot?

Thanks