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- all_hosts = Skeleton Linux Linux-SGX FreeBSD
- ifeq ($(OS),)
- SYS := $(shell gcc -dumpmachine)
- ifeq ($(SYS),x86_64-linux-gnu)
- OS := Linux
- else ifeq ($(findstring freebsd,$(SYS)),freebsd)
- OS := FreeBSD
- else
- $(error Unsupported platform: $(SYS))
- endif
- endif
- # Set SGX=1 to build Graphene for SGX
- ifeq ($(SGX)$(SGX_RUN),11)
- $(error "Do not use SGX=1 and SGX_RUN=1 at the same time")
- endif
- ifeq ($(SGX)$(SGX_RUN),1)
- OS := $(patsubst %-SGX,%,$(OS))-SGX
- endif
- ifeq ($(findstring $(OS),$(all_hosts)),)
- $(error Unsupported platform: $(OS))
- endif
- export OS
- export OS_MACRO = $(shell echo $(OS) | tr '[:lower:]' '[:upper:]' | tr '-' '_')
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