| ^CMake Error at [^ | |
| ]*/Modules/ExternalProject\.cmake:[0-9]+ \(message\): | |
| ExternalProject 'proj' step 'update' is marked INDEPENDENT but depends on | |
| step 'custom' that is not marked INDEPENDENT\. | |
| Call Stack \(most recent call first\): | |
| BadIndependentStep2\.cmake:[0-9]+ \(ExternalProject_Add_Step\) | |
| CMakeLists\.txt:[0-9]+ \(include\)$ |