ld.bfd: ensure that ld.bfd is preferred over ld.
Fixes: #32237 When building for native_posix, then host tools are used. This means that gcc will link using `/usr/bin/ld` per default. If ld points to lld, then linking will fail. This commit will first look for ld.bfd, and if found then use -fuse-ld=bfd for linking. If ld.bfd is not found, then ld is used as fallback as that will be assumed to be the best working candidate. Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>
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1 changed files with 16 additions and 1 deletions
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@ -1,6 +1,15 @@
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# SPDX-License-Identifier: Apache-2.0
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find_program(CMAKE_LINKER ${CROSS_COMPILE}ld PATHS ${TOOLCHAIN_HOME} NO_DEFAULT_PATH)
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if(DEFINED TOOLCHAIN_HOME)
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# When Toolchain home is defined, then we are cross-compiling, so only look
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# for linker in that path, else we are using host tools.
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set(LD_SEARCH_PATH PATHS ${TOOLCHAIN_HOME} NO_DEFAULT_PATH)
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endif()
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find_program(CMAKE_LINKER ${CROSS_COMPILE}ld.bfd ${LD_SEARCH_PATH})
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if(NOT CMAKE_LINKER)
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find_program(CMAKE_LINKER ${CROSS_COMPILE}ld ${LD_SEARCH_PATH})
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endif()
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set_ifndef(LINKERFLAGPREFIX -Wl)
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@ -82,9 +91,15 @@ function(toolchain_ld_link_elf)
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${ARGN} # input args to parse
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)
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if(${CMAKE_LINKER} STREQUAL "${CROSS_COMPILE}ld.bfd")
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# ld.bfd was found so let's explicitly use that for linking, see #32237
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set(use_linker "-fuse-ld=bfd")
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endif()
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target_link_libraries(
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${TOOLCHAIN_LD_LINK_ELF_TARGET_ELF}
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${TOOLCHAIN_LD_LINK_ELF_LIBRARIES_PRE_SCRIPT}
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${use_linker}
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${TOPT}
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${TOOLCHAIN_LD_LINK_ELF_LINKER_SCRIPT}
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${TOOLCHAIN_LD_LINK_ELF_LIBRARIES_POST_SCRIPT}
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