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Brad King authored
Revert commit a1c032b9 (bootstrap: Suppress CMAKE_OSX_SYSROOT if CFLAGS have -isysroot, 2012-09-21). If MACOSX_DEPLOYMENT_TARGET is set then CMAKE_OSX_DEPLOYMENT_TARGET will be set and Darwin.cmake will complain if no CMAKE_OSX_SYSROOT is set. Just allow both -isysroot flags to appear. The one generated by CMAKE_OSX_SYSROOT appears after and overrides the one from CFLAGS/CXXFLAGS.
Brad King authoredRevert commit a1c032b9 (bootstrap: Suppress CMAKE_OSX_SYSROOT if CFLAGS have -isysroot, 2012-09-21). If MACOSX_DEPLOYMENT_TARGET is set then CMAKE_OSX_DEPLOYMENT_TARGET will be set and Darwin.cmake will complain if no CMAKE_OSX_SYSROOT is set. Just allow both -isysroot flags to appear. The one generated by CMAKE_OSX_SYSROOT appears after and overrides the one from CFLAGS/CXXFLAGS.
