Compiling problems

[taichi61]

/usr/bin/ld: skipping incompatible /usr/lib/x86_64-linux-gnu/libBulletDynamics.so when searching for -lBulletDynamics
/usr/bin/ld: cannot find -lBulletDynamics
/usr/bin/ld: skipping incompatible /usr/lib/x86_64-linux-gnu/libBulletCollision.so when searching for -lBulletCollision
/usr/bin/ld: cannot find -lBulletCollision
/usr/bin/ld: skipping incompatible /usr/lib/x86_64-linux-gnu/libLinearMath.so when searching for -lLinearMath
/usr/bin/ld: cannot find -lLinearMath
/usr/bin/ld: skipping incompatible /usr/lib/x86_64-linux-gnu/libBulletSoftBody.so when searching for -lBulletSoftBody
/usr/bin/ld: cannot find -lBulletSoftBody

[taichi61]

libbullet-dev is already the newest version (2.88+dfsg-2build2).