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46e1ce6913
Change-Id: I06fc1c19229e26c20132c255c92b7e71ea3cc31a Reviewed-on: https://review.haiku-os.org/c/buildtools/+/4372 Reviewed-by: Fredrik Holmqvist <fredrik.holmqvist@gmail.com> Reviewed-by: Alex von Gluck IV <kallisti5@unixzen.com>
19 lines
792 B
Makefile
19 lines
792 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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do-compare = $(SHELL) $(srcdir)/contrib/compare-lto $$f1 $$f2
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extra-compare = gcc/lto1$(exeext)
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