# LTO Support # # This file enforces Link Time Optimization for ports. # In order to use it, add WITH_LTO=yes to your /etc/make.conf. .if !defined(_LTO_MK_INCLUDED) _LTO_MK_INCLUDED= yes LTO_Include_MAINTAINER= [email protected] . if !defined(LTO_UNSAFE) || defined(LTO_DISABLE_CHECK) . if "${ARCH}" == "riscv64" && !defined(LTO_DISABLE_CHECK) DEV_WARNING+= "LTO is currently broken on riscv64, to override set LTO_DISABLE_CHECK=yes" . elif defined(_INCLUDE_USES_CARGO_MK) CARGO_ENV+= CARGO_PROFILE_RELEASE_LTO="true" \ CARGO_PROFILE_RELEASE_PANIC="abort" \ CARGO_PROFILE_RELEASE_CODEGEN_UNITS=1 . elif defined(_INCLUDE_USES_CMAKE_MK) CMAKE_ON+= CMAKE_INTERPROCEDURAL_OPTIMIZATION . elif defined(_INCLUDE_USES_MESON_MK) MESON_ARGS+= -Db_lto=true . elif defined(_INCLUDE_USES_CABAL_MK) CABAL_LTO_ARGS= --ghc-options=-split-sections \ --gcc-options="-fdata-sections -ffunction-sections" \ --ld-options=-Wl,--gc-sections,--build-id,--icf=all . else # Overridable as a user may want to use -flto LTO_FLAGS?= -flto=thin CFLAGS+= ${LTO_FLAGS} CXXFLAGS+= ${LTO_FLAGS} LDFLAGS+= ${LTO_FLAGS} . endif . else . if defined(_INCLUDE_USES_CARGO_MK) RUSTFLAGS+= -C lto=no . endif . endif .endif
