Fails to build "gir-girs"

[ColinKinloch]

Attempting to build with fedora 31.

git clone https://github.com/swami/libinstpatch.git && cd libinstpatch
git checkout v1.1.1
mkdir build && cd build
cmake ..
make

successfully builds libinstpatch-1.0.so and gir_prog
throws the following on target gir-girs:

Scanning dependencies of target gir-girs
make[2]: *** No rule to make target '../libinstpatch/libinstpatch-2', needed by 'libinstpatch/Ipatch-1.1.gir'.  Stop.
make[1]: *** [CMakeFiles/Makefile2:130: libinstpatch/CMakeFiles/gir-girs.dir/all] Error 2
make: *** [Makefile:152: all] Error 2

[derselbst]

So far, I haven't been able to build with introspection support either. I'll leave this open until there is a solution. In the meantime try

cmake -DINTROSPECTION_ENABLED=0 ..