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--- makepkg-optimize
+++ makepkg-optimize
@@ -866,6 +866,17 @@ run_build() {
export DISTCC_HOSTS
fi
+ # Use lto if it is requested (check buildenv and PKGBUILD opts)
+ if check_buildoption "lto" "y" && [[ -f "$(gcc -print-search-dirs | grep install | awk '{print $2 "liblto_plugin.so"}')" ]]; then
+ CFLAGS+="-flto=$(getconf _NPROCESSORS_ONLN)"
+ CXXFLAGS+="-flto=$(getconf _NPROCESSORS_ONLN)"
+ LDFLAGS+="-fuse-linker-plugin"
+ LTOPLUGIN="$(gcc -print-search-dirs | grep install | awk '{print $2 "liblto_plugin.so"}')"
+ ARFLAGS+="--plugin $LTOPLUGIN"
+ RANLIBFLAGS+="--plugin $LTOPLUGIN"
+ NMFLAGS+="--plugin $LTOPLUGIN"
+ fi
+
run_function_safe "build"
}
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