example-czm…

spack.yaml
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			spack:
			view: true
			concretizer:
			unify: true
			compilers:
			- compiler:
			spec: apple-clang@=15.0.0
			paths:
			cc: /usr/bin/clang
			cxx: /usr/bin/clang++
			f77: null
			fc: null
			flags: {}
			operating_system: macos
			target: aarch64
			modules: []
			environment: {}
			extra_rpaths: []
			specs:
			- cmake ~ncurses
			- boost ~atomic ~chrono ~clanglibcpp ~container ~context ~coroutine ~date_time ~debug
			~exception ~fiber ~filesystem ~graph ~icu~iostreams ~locale ~log ~math ~mpi ~multithreaded
			~numpy ~pic ~program_options ~python ~random ~regex ~serialization ~shared ~signals
			~singlethreaded ~system ~taggedlayout ~test ~thread ~timer ~wave
			- eigen
			packages:
			openssl:
			externals:
			- spec: openssl@3.1.3
			prefix: /opt/homebrew
			gmake:
			externals:
			- spec: gmake@3.81
			prefix: /usr