X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=config%2Fbootstrap-lto.mk;h=4de07e5b22698f9f97c45adeb078a217ae72f26e;hb=adeab0c5b33fd5f4959fa9a079a5b558f0088ba3;hp=bbd3515eaa44c8531a8478fa7c7e310f1e19e786;hpb=7bca32d788b5b06024cf34f01ae6bef16751e5ca;p=deliverable%2Fbinutils-gdb.git

diff --git a/config/bootstrap-lto.mk b/config/bootstrap-lto.mk
index bbd3515eaa..4de07e5b22 100644
--- a/config/bootstrap-lto.mk
+++ b/config/bootstrap-lto.mk
@@ -1,5 +1,18 @@
-# This option enables LTO for stage2 and stage3.
+# This option enables LTO for stage2 and stage3 in slim mode
 
 STAGE2_CFLAGS += -flto=jobserver -frandom-seed=1
 STAGE3_CFLAGS += -flto=jobserver -frandom-seed=1
-STAGEprofile_CFLAGS += -fno-lto
+STAGEprofile_CFLAGS += -flto=jobserver -frandom-seed=1
+STAGEtrain_CFLAGS += -flto=jobserver -frandom-seed=1
+STAGEfeedback_CFLAGS += -flto=jobserver -frandom-seed=1
+
+# assumes the host supports the linker plugin
+LTO_AR = $$r/$(HOST_SUBDIR)/prev-gcc/gcc-ar$(exeext) -B$$r/$(HOST_SUBDIR)/prev-gcc/
+LTO_RANLIB = $$r/$(HOST_SUBDIR)/prev-gcc/gcc-ranlib$(exeext) -B$$r/$(HOST_SUBDIR)/prev-gcc/
+
+LTO_EXPORTS = AR="$(LTO_AR)"; export AR; \
+	      RANLIB="$(LTO_RANLIB)"; export RANLIB;
+LTO_FLAGS_TO_PASS = AR="$(LTO_AR)" RANLIB="$(LTO_RANLIB)"
+
+do-compare = $(SHELL) $(srcdir)/contrib/compare-lto $$f1 $$f2
+extra-compare = gcc/lto1$(exeext)