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comparison config/bootstrap-lto-lean.mk @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
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131:84e7813d76e9 145:1830386684a0
1 # This option enables LTO for stage4 and LTO for generators in stage3 with profiledbootstrap.
2 # Otherwise, LTO is used in only stage3.
3
4 STAGE3_CFLAGS += -flto=jobserver
5 override STAGEtrain_CFLAGS := $(filter-out -flto=jobserver,$(STAGEtrain_CFLAGS))
6 STAGEtrain_GENERATOR_CFLAGS += -flto=jobserver
7 STAGEfeedback_CFLAGS += -flto=jobserver
8
9 # assumes the host supports the linker plugin
10 LTO_AR = $$r/$(HOST_SUBDIR)/prev-gcc/gcc-ar$(exeext) -B$$r/$(HOST_SUBDIR)/prev-gcc/
11 LTO_RANLIB = $$r/$(HOST_SUBDIR)/prev-gcc/gcc-ranlib$(exeext) -B$$r/$(HOST_SUBDIR)/prev-gcc/
12
13 LTO_EXPORTS = AR="$(LTO_AR)"; export AR; \
14 RANLIB="$(LTO_RANLIB)"; export RANLIB;
15 LTO_FLAGS_TO_PASS = AR="$(LTO_AR)" RANLIB="$(LTO_RANLIB)"
16
17 do-compare = /bin/true