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added option to remove unused code

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This commit is contained in:
Robin Müller 2021-03-25 18:48:00 +01:00
parent 581832e4f4
commit 1d818294e4
1 changed files with 22 additions and 1 deletions
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21
CMakeLists.txt
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@ -1,5 +1,13 @@
cmake_minimum_required(VERSION 3.13)
option(FSFW_GENERATE_SECTIONS
"Generate function and data sections. Required to remove unused code" ON
)
if(FSFW_GENERATE_SECTIONS)
option(FSFW_REMOVE_UNUSED_CODE "Remove unused code" ON)
endif()
option(FSFW_WARNING_SHADOW_LOCAL_GCC "Enable -Wshadow=local warning in GCC" ON)
# Options to exclude parts of the FSFW from compilation.
option(FSFW_USE_RMAP "Compile with RMAP" ON)
@ -136,6 +144,19 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
)
endif()
if(FSFW_GENERATE_SECTIONS)
target_compile_options(${LIB_FSFW_NAME} PRIVATE
"-ffunction-sections"
"-fdata-sections"
)
endif()
if(FSFW_REMOVE_UNUSED_CODE)
target_link_options(${LIB_FSFW_NAME} PRIVATE
"Wl,--gc-sections"
)
endif()
if(FSFW_WARNING_SHADOW_LOCAL_GCC)
list(APPEND WARNING_FLAGS "-Wshadow=local")
endif()