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| = How to use CMake to cross compile software with the ADSP cross compiler =
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| == Install the cross compiler ==
| | This page has moved [https://gitlab.kitware.com/cmake/community/wikis/doc/cmake/cross_compiling/Adsp here]. |
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| You can download an evaluation version of Analog Device VisualDSP 4.5 for Windows on http://www.analog.com.
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| VisualDSP 4.5 provides cross compilers for the Blackfin, SHARC, TigerSHARC and ADSP-21xx processors.
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| == Write a CMake toolchain file ==
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| To be able to cross compile software, CMake requires you to write a toolchain file, which tells CMake
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| some information about the toolchain.
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| This example shows how to configure CMake to crosscompile for a Blackfin 533 (ADSP-BF533):
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| <pre>
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| SET( CMAKE_SYSTEM_NAME Generic )
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| # these are ADSP specific, so it makes sense to have them separated from CMAKE_SYSTEM_PROCESSOR
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| SET( ADSP_PROCESSOR "ADSP-BF533" )
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| SET( ADSP_PROCESSOR_SILICIUM_REVISION "0.5" )
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| # specify the cross compiler
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| SET( CMAKE_C_COMPILER ccblkfn )
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| SET( CMAKE_CXX_COMPILER ccblkfn -c++ )
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| SET( CMAKE_ASM_COMPILER easmBLKFN )
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| </pre>
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| This example requires that the compiler '''ccblkfn''' and the linker '''easmBLKFN''' are in the path.
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| Save this file as Toolchain-ADSP-Blackfin.cmake to some location where you will put
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| all your toolchain files.
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| == Building the software ==
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| You have to choose which make to use: gmake provides by with VisualDSP4.5 or nmake (to install from Microsoft).
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| If your CMakeLists.txt is in C:\src and you build from C:\build then:
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| <pre>
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| cmake -DCMAKE_TOOLCHAIN_FILE=(location)\Toolchain-ADSP-Blackfin.cmake -G "NMake Makefiles" C:\src
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| </pre>
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| {{CMake/Template/Footer}}
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