cmake Ipopt examples

cnr-isti-vclab/meshlab unsupported/plugins_unsupported/external/CoMISo/CMakeLists.txt :163 

find_package (IPOPT)

gismo/gismo optional/gsIpOpt/CMakeLists.txt :20 

find_package(IpOpt QUIET)

opensim-org/opensim-core cmake/FindIPOPT.cmake :3 

find_package(Ipopt CONFIG)

dartsim/dart cmake/DARTFindIPOPT.cmake :9 

find_package(IPOPT 3.11.9 QUIET MODULE)

ComputationalBiomechanicsLab/opensim-creator third_party/libosim/opensim-core/cmake/FindIPOPT.cmake :3 

find_package(Ipopt CONFIG)

keenon/nimblephysics cmake/DARTFindIPOPT.cmake :9 

find_package(IPOPT 3.11.9 REQUIRED MODULE)