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cmake: force GCC to emit DWARF version 4

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GCC 11 defaults to output DWARF version 5 which pyelftools cannot
currently parse. So keep output at version 4 for the time being.

Signed-off-by: Daniel Leung <daniel.leung@intel.com>
This commit is contained in:
Daniel Leung 2021-06-01 13:17:22 -07:00 committed by Kumar Gala
parent bf87f98fa4
commit 72c2f182bc
1 changed files with 4 additions and 0 deletions
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4
cmake/compiler/gcc/compiler_flags.cmake
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@ -167,6 +167,10 @@ set_compiler_property(PROPERTY freestanding -ffreestanding)
# Flag to enable debugging
set_compiler_property(PROPERTY debug -g)
# GCC 11 by default emits DWARF version 5 which cannot be parsed by
# pyelftools. Can be removed once pyelftools supports v5.
check_set_compiler_property(APPEND PROPERTY debug -gdwarf-4)
set_compiler_property(PROPERTY no_common -fno-common)
# GCC compiler flags for imacros. The specific header must be appended by user.