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16 lines
695 B
Makefile
16 lines
695 B
Makefile
# This option enables LTO for stage2 and stage3 in slim mode
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STAGE2_CFLAGS += -flto=jobserver -frandom-seed=1
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STAGE3_CFLAGS += -flto=jobserver -frandom-seed=1
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STAGEprofile_CFLAGS += -flto=jobserver -frandom-seed=1
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STAGEtrain_CFLAGS += -flto=jobserver -frandom-seed=1
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STAGEfeedback_CFLAGS += -flto=jobserver -frandom-seed=1
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# assumes the host supports the linker plugin
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LTO_AR = $$r/$(HOST_SUBDIR)/prev-gcc/gcc-ar$(exeext) -B$$r/$(HOST_SUBDIR)/prev-gcc/
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LTO_RANLIB = $$r/$(HOST_SUBDIR)/prev-gcc/gcc-ranlib$(exeext) -B$$r/$(HOST_SUBDIR)/prev-gcc/
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LTO_EXPORTS = AR="$(LTO_AR)"; export AR; \
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RANLIB="$(LTO_RANLIB)"; export RANLIB;
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LTO_FLAGS_TO_PASS = AR="$(LTO_AR)" RANLIB="$(LTO_RANLIB)"
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