Index: build/premake/premake5.lua
===================================================================
--- build/premake/premake5.lua
+++ build/premake/premake5.lua
@@ -536,6 +536,8 @@
 
 	if os.istarget("windows") then
 		rtti "off"
+	elseif os.istarget("macosx") and _OPTIONS["macosx-version-min"] then
+		xcodebuildsettings { MACOSX_DEPLOYMENT_TARGET = _OPTIONS["macosx-version-min"] }
 	end
 end
 
@@ -560,6 +562,8 @@
 	if os.istarget("windows") then
 		rtti "off"
 		links { "delayimp" }
+	elseif os.istarget("macosx") and _OPTIONS["macosx-version-min"] then
+		xcodebuildsettings { MACOSX_DEPLOYMENT_TARGET = _OPTIONS["macosx-version-min"] }
 	end
 end
 
@@ -1034,7 +1038,9 @@
 
 		links { "pthread" }
 		links { "ApplicationServices.framework", "Cocoa.framework", "CoreFoundation.framework" }
-
+		if _OPTIONS["macosx-version-min"] then
+			xcodebuildsettings { MACOSX_DEPLOYMENT_TARGET = _OPTIONS["macosx-version-min"] }
+		end
 	end
 end
 
@@ -1419,6 +1425,9 @@
 		filter { }
 
 		includedirs { source_root .. "pch/test/" }
+
+	elseif os.istarget("macosx") and _OPTIONS["macosx-version-min"] then
+		xcodebuildsettings { MACOSX_DEPLOYMENT_TARGET = _OPTIONS["macosx-version-min"] }
 	end
 end
 
Index: build/workspaces/update-workspaces.sh
===================================================================
--- build/workspaces/update-workspaces.sh
+++ build/workspaces/update-workspaces.sh
@@ -125,7 +125,7 @@
 else
   premake5/bin/release/premake5 --file="premake5.lua" --outpath="../workspaces/gcc/" --macosx-version-min="${MIN_OSX_VERSION}" ${premake_args} gmake || die "Premake failed"
   # Also generate xcode workspaces if on OS X
-  premake5/bin/release/premake5 --file="premake5.lua" --outpath="../workspaces/xcode4" ${premake_args} xcode4 || die "Premake failed"
+  premake5/bin/release/premake5 --file="premake5.lua" --outpath="../workspaces/xcode4" --macosx-version-min="${MIN_OSX_VERSION}" ${premake_args} xcode4 || die "Premake failed"
 fi
 
 # test_root.cpp gets generated by cxxtestgen and passing different arguments to premake could require a regeneration of this file.