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UpdatingLegacyApps

v23	v24
20	20	18. Under "GCC C++ Compiler" select "Preprocessor". Click the green plus icon to add the symbol "ARM64=1" This is used for conditional compilation. If there is also a "GCC C Compiler" section select "Preprocessor under that and also add the symbol "ARM64=1".
21	21	19. Click "Apply and Close".
22		20. It is also recommended to create a "Release" build. Repeat the steps above from step 3, except name the build configuration "Release-ARM825" and copy the configuration from the "Release" build configuration. For the "Library search path" standard libraries change them to "Release-ARM825"
	22	20. Also create a "Release" build. Repeat the steps above from step 3, except name the build configuration "Release-ARM825" and copy the configuration from the "Release" build configuration. For the "Library search path" standard libraries change them to "Release-ARM825". The debug build will output messages from DEBUG_MSG statements in the code on the console. These messages are useful for debugging. These messages will be left out when the release build is compiled. The release build executable will often be a smaller size file and may have improved speed. The release build must also be tested as it is possible for problems to only show up in a release build.
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24	24	A simulator build is also possible. Refer to [wiki:Simulating825gen2 Simulating 825gen2 Apps] for information about setting up a simulator build configuration.