9bb0140522
The support of PROPERTY_LINKER_SCRIPT_DEFINES has been broken since
the transition to CMake in 12f8f76165.
The intention was probably to allow users / projects to adjust
PROPERTY_LINKER_SCRIPT_DEFINES by setting a CMake cache variable.
The implementation tests for the CMake variable (local scope or cache)
PROPERTY_LINKER_SCRIPT_DEFINES, but it never uses such CMake variable.
Instead it uses a CMake global property named
PROPERTY_LINKER_SCRIPT_DEFINES. CMake variables and CMake global
properties are two very different things, and therefore the current
implementation has never worked. The fact that no one has never noticed
this flaw, means that the feature has never been used as intended.
Simplify the code by removing the use of the global CMake property and
instead set the value of the property on the linker script
pre-processing invocation.
Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>
56 lines
1.4 KiB
CMake
56 lines
1.4 KiB
CMake
# SPDX-License-Identifier: Apache-2.0
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# See root CMakeLists.txt for description and expectations of these macros
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macro(toolchain_ld_base)
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# TOOLCHAIN_LD_FLAGS comes from compiler/clang/target.cmake
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# LINKERFLAGPREFIX comes from linker/lld/target.cmake
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zephyr_ld_options(
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${TOOLCHAIN_LD_FLAGS}
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)
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zephyr_ld_options(
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${LINKERFLAGPREFIX},--gc-sections
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${LINKERFLAGPREFIX},--build-id=none
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)
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# Sort each input section by alignment.
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zephyr_ld_option_ifdef(
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CONFIG_LINKER_SORT_BY_ALIGNMENT
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${LINKERFLAGPREFIX},--sort-section=alignment
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)
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if (NOT CONFIG_LINKER_USE_RELAX)
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zephyr_ld_options(
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${LINKERFLAGPREFIX},--no-relax
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)
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endif()
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# Global pointer relaxation is off by default in lld. Explicitly enable it if
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# linker relaxations and gp usage are both allowed.
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if (CONFIG_LINKER_USE_RELAX AND CONFIG_RISCV_GP)
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zephyr_ld_options(
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${LINKERFLAGPREFIX},--relax-gp
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)
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endif()
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if(CONFIG_CPP)
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# LLVM lld complains:
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# error: section: init_array is not contiguous with other relro sections
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#
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# So do not create RELRO program header.
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zephyr_link_libraries(
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-Wl,-z,norelro
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)
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endif()
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if(CONFIG_LIBGCC_RTLIB)
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set(runtime_lib "libgcc")
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elseif(CONFIG_COMPILER_RT_RTLIB)
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set(runtime_lib "compiler_rt")
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endif()
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zephyr_link_libraries(
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--config ${ZEPHYR_BASE}/cmake/toolchain/llvm/clang_${runtime_lib}.cfg
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)
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endmacro()
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