From af7892c08b2d4984f4c93bb8c7cc07aec36b5055 Mon Sep 17 00:00:00 2001 From: Damjan Marion Date: Thu, 22 Oct 2020 14:23:47 +0200 Subject: build: link time optimization for release builds Type: improvement Change-Id: I0e24f1d2ad5c7a11a8bd40125428f86aca867bec Signed-off-by: Damjan Marion --- src/cmake/library.cmake | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'src/cmake') 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() -- cgit 1.2.3-korg