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[libcxx] Fix warning: argument unused during compilation: '-nostdinc++'
AbandonedPublic

Authored by EricWF on Nov 13 2014, 7:53 PM.

Reviewers

Summary

Remove -nostdinc++ from the CMAKE_CXX_FLAGS and add it to the library specific compile flags so that it doesn't get passed to the linker.

EricWF retitled this revision from to [libcxx] Fix warning: argument unused during compilation: '-nostdinc++'.

EricWF updated this object.

EricWF edited the test plan for this revision. (Show Details)

EricWF added a subscriber: Unknown Object (MLST).

Disregard this. I can fix this in a better way.

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lib/

7 lines

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	# Setup flags.	# Setup flags.
	append_if(compile_flags LIBCXX_HAS_FPIC_FLAG -fPIC)	append_if(compile_flags LIBCXX_HAS_FPIC_FLAG -fPIC)
		# If -nostdinc++ is present, then remove it from CMAKE_CXX_FLAGS and
		# move it to compile_flags so that it doesn't get passed to the linker
		# and cause an unused flag warning.
		if (LIBCXX_HAS_NOSTDINCXX_FLAG)
		list(APPEND compile_flags -nostdinc++)
		string(REPLACE "-nostdinc++" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
		endif()
	append_if(link_flags LIBCXX_HAS_NODEFAULTLIBS_FLAG -nodefaultlibs)	append_if(link_flags LIBCXX_HAS_NODEFAULTLIBS_FLAG -nodefaultlibs)

	if ( APPLE )	if ( APPLE )
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