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set(TMP_ROOT ${CMAKE_BINARY_DIR}/try-compile)
file(MAKE_DIRECTORY ${TMP_ROOT})
file(WRITE ${TMP_ROOT}/checkbullet.cpp
"
#include <BulletCollision/CollisionShapes/btSphereShape.h>
int main(int argc, char** argv)
{
btSphereShape shape(1.0);
btScalar mass(1.0);
btVector3 inertia;
shape.calculateLocalInertia(mass, inertia);
return 0;
}
")
message(STATUS "Checking if Bullet uses double precision")
try_compile(RESULT_VAR
${TMP_ROOT}/temp
${TMP_ROOT}/checkbullet.cpp
COMPILE_DEFINITIONS "-DBT_USE_DOUBLE_PRECISION"
LINK_LIBRARIES ${BULLET_LIBRARIES}
CMAKE_FLAGS "-DINCLUDE_DIRECTORIES=${BULLET_INCLUDE_DIRS}"
)
set(HAS_DOUBLE_PRECISION_BULLET ${RESULT_VAR})
|
