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cmake: linker: make passing -no-pie configurable

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This adds a new linker property specifically for passing
"-no-pie" to linker. Older binutils' LD (<= 2.36) do not
support this flag and will behave erratically if set. It
would parse "-no-pie" separately as "-n" and "-o-pie",
which would result in the output file being "-pie"
instead of "zephyr*.elf". Moreover, LLVM lld does not
support -no-pie but --no-pie (note the extra hyphen).
By having no-pie as a linker property, we can pass
correct no-pie flag to these linkers (or none at all).

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
This commit is contained in:
Daniel Leung 2023-02-24 17:39:07 -08:00 • committed by Anas Nashif
commit 81c3b3152c
6 changed files with 17 additions and 2 deletions
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CMakeLists.txt
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@ -378,6 +378,7 @@ zephyr_compile_options($<$<COMPILE_LANGUAGE:CXX>:$<TARGET_PROPERTY:compiler-cpp,
# @Intent: Do not make position independent code / executable
zephyr_compile_options($<$<COMPILE_LANGUAGE:C>:$<TARGET_PROPERTY:compiler,no_position_independent>>)
zephyr_link_libraries($<TARGET_PROPERTY:linker,no_position_independent>)
# Allow the user to inject options when calling cmake, e.g.
# 'cmake -DEXTRA_CFLAGS="-Werror -Wno-deprecated-declarations" ..'