1 # This option enables LTO for stage2 and stage3 in slim mode 2 3 STAGE2_CFLAGS += -flto=jobserver -frandom-seed=1 4 STAGE3_CFLAGS += -flto=jobserver -frandom-seed=1 5 STAGEprofile_CFLAGS += -fno-lto 6 7 # assumes the host supports the linker plugin 8 LTO_AR = $$r/$(HOST_SUBDIR)/prev-gcc/gcc-ar$(exeext) -B$$r/$(HOST_SUBDIR)/prev-gcc/ 9 LTO_RANLIB = $$r/$(HOST_SUBDIR)/prev-gcc/gcc-ranlib$(exeext) -B$$r/$(HOST_SUBDIR)/prev-gcc/ 10 11 LTO_EXPORTS = AR="$(LTO_AR)"; export AR; \ 12 RANLIB="$(LTO_RANLIB)"; export RANLIB; 13 LTO_FLAGS_TO_PASS = AR="$(LTO_AR)" RANLIB="$(LTO_RANLIB)" 14