Fix CMake Deprecation Warnings #389
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Building OpenAMP for standalone ARM R5, the following warning occurs: CMake Deprecation Warning at /usr/share/cmake-3.16/Modules/CMakeForceCompiler.cmake:75 (message): The CMAKE_FORCE_C_COMPILER macro is deprecated. Instead just set CMAKE_C_COMPILER and allow CMake to identify the compiler. Call Stack (most recent call first): cmake/platforms/cross_generic_gcc.cmake:5 (CMAKE_FORCE_C_COMPILER) /home/mooring/build-oa/toolchain.r5-oa.sa:18 (include) /usr/share/cmake-3.16/Modules/CMakeDetermineSystem.cmake:93 (include) CMakeLists.txt:19 (project) Follow the suggestions in the above error message, and add CMAKE_TRY_COMPILE_TARGET_TYPE = STATIC LIBRARY, which makes try_compile() not try to link the cross-compiled binary. This is necessary because the arm-none-eabi toolchain libgcc doesn't have an implementation of _exit(), leaving that to the BSP. This results in a CMake error because it can't build the test executable. Signed-off-by: Ed Mooring <ed.mooring@gmail.com>
arnopo
approved these changes
May 12, 2022
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Yes I do.
… On May 12, 2022, at 8:27 AM, Arnaud Pouliquen ***@***.***> wrote:
@arnopo approved this pull request.
LGTM
Do you plan to also provide same fix for the libmetal?
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Building OpenAMP for standalone ARM R5, the following warning occurs:
CMake Deprecation Warning at
/usr/share/cmake-3.16/Modules/CMakeForceCompiler.cmake:75 (message):
The CMAKE_FORCE_C_COMPILER macro is deprecated. Instead just set
CMAKE_C_COMPILER and allow CMake to identify the compiler.
Call Stack (most recent call first):
cmake/platforms/cross_generic_gcc.cmake:5 (CMAKE_FORCE_C_COMPILER)
/home/mooring/build-oa/toolchain.r5-oa.sa:18 (include)
/usr/share/cmake-3.16/Modules/CMakeDetermineSystem.cmake:93 (include)
CMakeLists.txt:19 (project)
Follow the suggestions in the above error message, and add
CMAKE_TRY_COMPILE_TARGET_TYPE = STATIC LIBRARY, which makes try_compile()
not try to link the cross-compiled binary. This is necessary because the
arm-none-eabi toolchain libgcc doesn't have an implementation of _exit(),
leaving that to the BSP. This results in a CMake error because it can't
build the test executable.
Signed-off-by: Ed Mooring ed.mooring@gmail.com