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Use -O3 Optimization Option #25

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merged 1 commit into from
Jul 27, 2022
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Use -O3 Optimization Option #25

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8 changes: 5 additions & 3 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@ set(PRODUCT_NAME microfido2)
#######################################
# Compilation

set(CMAKE_C_FLAGS_RELEASE "-Os")
set(CMAKE_C_FLAGS_RELEASE "-O3")
set(CMAKE_C_FLAGS_DEBUG "-ggdb -O0")

add_compile_options(
Expand Down Expand Up @@ -81,8 +81,10 @@ include_directories(${CMAKE_CURRENT_SOURCE_DIR}/external/tinf/include)
# Add Monocypher library
add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/external/Monocypher)
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/external/Monocypher/include)
# Always use -Os, even if it is a debug build, because Monocypher is very large and would be even larger with debug information.
target_compile_options(Monocypher PRIVATE -Os)
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
# Use -Os in debug build because otherwise it wouldn't fit on AVR.
target_compile_options(Monocypher PRIVATE -Os)
endif()
target_compile_definitions(Monocypher PRIVATE PERIODICALLY_RESET_WATCHDOG)

# Link the object libraries
Expand Down