lokinet/.gitmodules

[submodule "external/nlohmann"]
	path = external/nlohmann
	url = https://github.com/nlohmann/json.git
[submodule "external/abseil-cpp"]
	path = external/abseil-cpp
	url = https://github.com/abseil/abseil-cpp.git
[submodule "external/googletest"]
	path = external/googletest
	url = https://github.com/google/googletest.git
[submodule "external/cxxopts"]
	path = external/cxxopts
	url = https://github.com/jarro2783/cxxopts.git
[submodule "external/ghc-filesystem"]
	path = external/ghc-filesystem
	url = https://github.com/gulrak/filesystem.git
Switch abseil & nlohmann to submodules and update to latest stable Our current abseil won't build with gcc 10 (its `optional` implementation appears broken), and spews warnings under slightly older compilers; updating to the latest stable 2019 branch fixes both issues. 4 years ago			`[submodule "external/nlohmann"]`
			`path = external/nlohmann`
			`url = https://github.com/nlohmann/json.git`
			`[submodule "external/abseil-cpp"]`
			`path = external/abseil-cpp`
			`url = https://github.com/abseil/abseil-cpp.git`
			`[submodule "external/googletest"]`
			`path = external/googletest`
			`url = https://github.com/google/googletest.git`
Devendor cxxopts to submodule 4 years ago			`[submodule "external/cxxopts"]`
			`path = external/cxxopts`
			`url = https://github.com/jarro2783/cxxopts.git`
ghc::filesystem devendor to submodule Also removed some unused/old options for conditionally not using ghc::filesystem and a sodium option that wasn't used anywhere. 4 years ago			`[submodule "external/ghc-filesystem"]`
			`path = external/ghc-filesystem`
			`url = https://github.com/gulrak/filesystem.git`