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-rw-r--r--src/cmake/library.cmake9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/cmake/library.cmake b/src/cmake/library.cmake
index 06248a57aa3..a5b6c76d2d1 100644
--- a/src/cmake/library.cmake
+++ b/src/cmake/library.cmake
@@ -13,7 +13,7 @@
macro(add_vpp_library lib)
cmake_parse_arguments(ARG
- ""
+ "LTO"
"COMPONENT"
"SOURCES;MULTIARCH_SOURCES;API_FILES;LINK_LIBRARIES;INSTALL_HEADERS;DEPENDS"
${ARGN}
@@ -38,6 +38,13 @@ macro(add_vpp_library lib)
COMPONENT ${ARG_COMPONENT}
)
+ if (ARG_LTO AND VPP_USE_LTO)
+ set_property(TARGET ${lib} PROPERTY INTERPROCEDURAL_OPTIMIZATION TRUE)
+ target_compile_options (${lib} PRIVATE "-ffunction-sections")
+ target_compile_options (${lib} PRIVATE "-fdata-sections")
+ target_link_libraries (${lib} "-Wl,--gc-sections")
+ endif()
+
if(ARG_MULTIARCH_SOURCES)
vpp_library_set_multiarch_sources(${lib} "${ARG_DEPENDS}" ${ARG_MULTIARCH_SOURCES})
endif()