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NidasioAlbertoNidasioAlberto
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Added preliminary Clang CMake toolchain and multilib.yml files
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‎miosix/cmake/Toolchains/clang.cmake‎

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# Copyright (C) 2024 by Skyward
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#
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# This program is free software; you can redistribute it and/or
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# it under the terms of the GNU General Public License as published
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# As a special exception, if other files instantiate templates or use
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# macros or inline functions from this file, or you compile this file
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# and link it with other works to produce a work based on this file,
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# this file does not by itself cause the resulting work to be covered
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# by the GNU General Public License. However the source code for this
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# file must still be made available in accordance with the GNU
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# Public License. This exception does not invalidate any other
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# why a work based on this file might be covered by the GNU General
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# Public License.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, see <http://www.gnu.org/licenses/>
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# Add the miosix/cmake path to find the Miosix.cmake platform file
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# that defines the Miosix system name
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list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_LIST_DIR}/..)
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# Tell CMake that we are building for an embedded ARM system
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set(CMAKE_SYSTEM_NAME Miosix)
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# Names of the compiler and other tools
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set(CMAKE_ASM_COMPILER clang)
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set(CMAKE_C_COMPILER clang)
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set(CMAKE_CXX_COMPILER clang++)
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set(CMAKE_AR llvm-ar)
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set(CMAKE_OBJCOPY llvm-objcopy)
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set(CMAKE_OBJDUMP llvm-objdump)
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set(CMAKE_SIZE llvm-size)
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# Optimization flags for each language and build configuration
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set(CMAKE_ASM_FLAGS_DEBUG "")
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set(CMAKE_C_FLAGS_DEBUG "-Og -g")
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set(CMAKE_CXX_FLAGS_DEBUG "-Og -g")
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set(CMAKE_ASM_FLAGS_RELEASE "")
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set(CMAKE_C_FLAGS_RELEASE "-O2")
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set(CMAKE_CXX_FLAGS_RELEASE "-O2")
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set(CMAKE_ASM_FLAGS_RELWITHDEBINFO "")
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set(CMAKE_C_FLAGS_RELWITHDEBINFO "-O2 -g")
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set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g")
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set(CMAKE_ASM_FLAGS_MINSIZEREL "")
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set(CMAKE_C_FLAGS_MINSIZEREL "-Os")
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set(CMAKE_CXX_FLAGS_MINSIZEREL "-Os")
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# Setting the target for crosscompilation
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# https://stackoverflow.com/questions/54539682/how-to-set-up-cmake-to-cross-compile-with-clang-for-arm-embedded-on-windows
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set(CLANG_TARGET_TRIPLE arm-none-eabi)
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set(CMAKE_ASM_COMPILER_TARGET ${CLANG_TARGET_TRIPLE})
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set(CMAKE_C_COMPILER_TARGET ${CLANG_TARGET_TRIPLE})
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set(CMAKE_CXX_COMPILER_TARGET ${CLANG_TARGET_TRIPLE})
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# Setting the include paths for system libraries
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include_directories(SYSTEM
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"/opt/arm-miosix-eabi/arm-miosix-eabi/include/c++/9.2.0/arm-miosix-eabi"
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"/opt/arm-miosix-eabi/arm-miosix-eabi/include/c++/9.2.0"
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"/opt/arm-miosix-eabi/arm-miosix-eabi/include"
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)
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# We want to test for a static library and not an executable
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# reference: https://stackoverflow.com/questions/53633705/cmake-the-c-compiler-is-not-able-to-compile-a-simple-test-program
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set(CMAKE_TRY_COMPILE_TARGET_TYPE "STATIC_LIBRARY")
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# Defines used by the Miosix patches to the libraries/opt/arm-miosix-eabi/arm-miosix-eabi/lib/thumb/cm4/hardfp/fpv4sp
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add_compile_definitions($<$<COMPILE_LANGUAGE:C,CXX>:__GXX_TYPEINFO_EQUALITY_INLINE=0>)
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add_compile_definitions($<$<COMPILE_LANGUAGE:C,CXX>:_MIOSIX>)
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add_compile_definitions($<$<COMPILE_LANGUAGE:C,CXX>:_MIOSIX_GCC_PATCH_MAJOR=3>)
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add_compile_definitions($<$<COMPILE_LANGUAGE:C,CXX>:_MIOSIX_GCC_PATCH_MINOR=1>)
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link_directories(SYSTEM
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# /opt/arm-miosix-eabi/arm-miosix-eabi/lib/thumb/cm4/hardfp/fpv4sp
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/opt/arm-miosix-eabi/lib/gcc/arm-miosix-eabi/9.2.0/thumb/cm4/hardfp/fpv4sp
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)
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set(CMAKE_SYSROOT
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/opt/arm-miosix-eabi/arm-miosix-eabi
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# # /opt/arm-miosix-eabi/lib/gcc/arm-miosix-eabi/9.2.0
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)
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# add_link_options("-fuse-ld=/usr/bin/arm-miosix-eabi-ld")

‎miosix/cmake/Toolchains/multilib.yml‎

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MultilibVersion: 1.0
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# The file is in two parts:
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# 1. A list of multilib variants.
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# 2. A list of regular expressions that may match flags generated from
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# command line options, and further flags that shall be added if the
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# regular expression matches.
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# List of multilib variants.
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# Required.
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Variants:
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- Dir: thumb/cm0
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Flags: [-mthumb, -mcpu=cortex-m0]
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- Dir: thumb/cm3
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Flags: [-mthumb, -mcpu=cortex-m3]
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- Dir: thumb/cm3/pie/single-pic-base
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Flags: [-mthumb, -mcpu=cortex-m3, -fpie, -msingle-pic-base]
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- Dir: thumb/cm4/hardfp/fpv4sp
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Flags: [-mthumb, -mcpu=cortex-m4, -mfloat-abi=hard, -mfpu=fpv4-sp-d16]
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- Dir: thumb/cm4/hardfp/fpv4sp/pie/single-pic-base
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Flags: [-mthumb, -mcpu=cortex-m4, -mfloat-abi=hard, -mfpu=fpv4-sp-d16@fpie, -msingle-pic-base]
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- Dir: thumb/cm7/hardfp/fpv5
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Flags: [-mthumb, -mcpu=cortex-m7, -mfloat-abi=hard, -mfpu=fpv5-d16]
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- Dir: thumb/cm7/hardfp/fpv5/pie/single-pic-base
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Flags: [-mthumb, -mcpu=cortex-m7, -mfloat-abi=hard, -mfpu=fpv5-d16@fpie@msingle-pic-base]
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# List of regular expressions that are used to map from flags generated
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# from command line options to custom flags.
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# This is optional.
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Mappings:

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