Commit 4fbdcb10 authored by Giovanni La Mura's avatar Giovanni La Mura
Browse files

Use generic OFFLOAD compiler flags in place of NVIDIA specific ones

parent 636778a2

build/configure.sh

+7 −4
Original line number Diff line number Diff line
@@ -785,7 +785,8 @@ if [ "x$OFFLOAD" != "xno" ]; then 
    echo -n "configure: checking whether system supports offload... "

    cat > conf_test_offload.cpp <<EOF

#include <omp.h>

#pragma omp requires unified_shared_memory



#define SIZE 1000000



#pragma omp begin declare target device_type(any)

void fill_with_ones(int *array) {
@@ -797,14 +798,16 @@ void fill_with_ones(int *array) { 
  }

}

#pragma omp end declare target



int main(int argc, char** argv) {

  int *numbers = new int[1000000]();

  int *numbers = new int[SIZE]();

#pragma omp target map(tofrom:numbers[0:SIZE])

  fill_with_ones(numbers);

  delete[] numbers;

  return 0;

}

EOF

    $CXX -fcf-protection=check -foffload=nvptx-none="-O3 -ggdb -fcf-protection=check -fopt-info -lm -latomic -mgomp" -fopenmp conf_test_offload.cpp -o conf_test_offload > /dev/null 2>&1

    $CXX -fcf-protection=none -fno-stack-protector -foffload=nvptx-none="-O3 -ggdb -fcf-protection=none -fno-stack-protector -fopt-info -lm -latomic -lgomp" -fopenmp conf_test_offload.cpp -o conf_test_offload > /dev/null 2>&1

    result=$?

    rm conf_test_offload.cpp

    if [ "x$result" = "x0" ]; then
@@ -814,7 +817,7 @@ EOF 
    fi

    if [ "x$result" = "x0" ]; then

	echo "yes"

	OFFLOADFLAGS=" -DUSE_TARGET_OFFLOAD -fcf-protection=check -foffload=nvptx-none=\"-O${CXX_OPT}${CXX_DBG} -fcf-protection=check -fopt-info -lm -latomic -lgomp\""

	OFFLOADFLAGS=" -DUSE_TARGET_OFFLOAD -fcf-protection=none -fno-stack-protector -foffload=nvptx-none=\"-O${CXX_OPT}${CXX_DBG} -fcf-protection=none -fno-stack-protector -fopt-info -lm -latomic -lgomp\""

	if [ "x${OMPFLAGS}" = "x" ]; then

	    OFFLOADFLAGS="${OFFLOADFLAGS} -fopenmp"

	fi