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Use statically linked stdlib #2

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Use statically linked stdlib #2

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2b13440
Update CMakeLists.txt
javierbrk Sep 10, 2025
e9eda5e
force release type
javierbrk Sep 10, 2025
a3e4603
add CMAKE_STRIP suport
javierbrk Sep 10, 2025
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50 changes: 48 additions & 2 deletions CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,11 @@ set(FETCHCONTENT_QUIET OFF)
# the source. See exampleConfig.h.in for some more details.
project(shared-state VERSION 0.0.0.1 LANGUAGES CXX)


if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE Release)
endif()

option( SS_STAT_FILE_LOCKING
"Enable shared-state network statistics file locking"
OFF )
Expand All @@ -25,6 +30,23 @@ option( SS_CPPTRACE_STACKTRACE
our implementation"
ON )

option(SS_STATIC_LIBSTDCPP "Statically link libstdc++" ON)
option(SS_STRIP_SYMBOLS "Strip unused symbols from binary" ON)

set(OPTIMIZATION_FLAGS
"-O3" # Aggressive optimization
"-ffunction-sections" # Place each function in its own section
"-fdata-sections" # Place each data item in its own section
"-fvisibility=hidden" # Hide symbols by default
"-fvisibility-inlines-hidden" # Hide inline function symbols
)
set(LINKER_FLAGS
"-Wl,--gc-sections"
"-Wl,--as-needed"
)
if(SS_STATIC_LIBSTDCPP)
list(APPEND LINKER_FLAGS "-static-libstdc++")
endif()

set(LIBRARY_SOURCES
src/accept_operation.cc
Expand Down Expand Up @@ -130,12 +152,14 @@ set(CLI_SOURCES
add_library(${LIBRARY_NAME} OBJECT ${LIBRARY_SOURCES})
target_include_directories(${LIBRARY_NAME} PUBLIC ${PROJECT_SOURCE_DIR}/include)
# TODO: check if coroutines support has been added to target_compile_features()
target_compile_options(${LIBRARY_NAME} PUBLIC "-fcoroutines")
target_compile_options(${LIBRARY_NAME} PUBLIC "-fcoroutines" ${OPTIMIZATION_FLAGS})
target_link_options(${LIBRARY_NAME} PUBLIC ${LINKER_FLAGS})

add_executable(${EXECUTABLE_NAME} ${CLI_SOURCES})
target_link_libraries(${EXECUTABLE_NAME} PRIVATE ${LIBRARY_NAME})
# TODO: check if coroutines support has been added to target_compile_features()
target_compile_options(${EXECUTABLE_NAME} PRIVATE "-fcoroutines")
target_compile_options(${EXECUTABLE_NAME} PRIVATE "-fcoroutines" ${OPTIMIZATION_FLAGS})
target_link_options(${EXECUTABLE_NAME} PRIVATE ${LINKER_FLAGS})

set_target_properties(
${LIBRARY_NAME} ${EXECUTABLE_NAME}
Expand All @@ -145,6 +169,28 @@ set_target_properties(
#CXX_EXTENSIONS YES
)

if(SS_STRIP_SYMBOLS)
if(NOT CMAKE_STRIP)
# Tomamos el path del compilador C (gcc o clang usado por OpenWrt)
get_filename_component(TOOLCHAIN_BIN_DIR "${CMAKE_C_COMPILER}" DIRECTORY)
get_filename_component(TOOLCHAIN_PREFIX "${CMAKE_C_COMPILER}" NAME_WE) # nombre sin extensión

# Reemplazamos el "gcc" por "strip" para deducir la ruta correcta
string(REPLACE "gcc" "strip" TOOLCHAIN_STRIP "${TOOLCHAIN_BIN_DIR}/${TOOLCHAIN_PREFIX}")

if(EXISTS "${TOOLCHAIN_STRIP}")
set(CMAKE_STRIP "${TOOLCHAIN_STRIP}" CACHE FILEPATH "Path to toolchain strip" FORCE)
message(STATUS "Using toolchain strip: ${CMAKE_STRIP}")
add_custom_command(TARGET ${EXECUTABLE_NAME} POST_BUILD
COMMAND ${CMAKE_STRIP} --strip-unneeded $<TARGET_FILE:${EXECUTABLE_NAME}>
COMMENT "Stripping unused symbols from ${EXECUTABLE_NAME}")
else()
message(WARNING "No toolchain strip found at ${TOOLCHAIN_STRIP}, will skip stripping")
endif()
endif()

endif()

install(TARGETS ${LIBRARY_NAME} ${EXECUTABLE_NAME} )

# Optional IPO/LTO. Do not enable them if it's not supported by compiler.
Expand Down