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build: Allow LTO to work globally, not just codecs/plugins

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IMPORTANT: There is no guarantee this will compile cleanly much less
_work_ on any given target.  This is purely to enable future hackery.

Change-Id: Ib58f21b717719fd4325622b446a60779406ae035
This commit is contained in:
Solomon Peachy 2024-11-24 08:23:38 -05:00
parent 200529532b
commit bdf1690cb2
4 changed files with 10 additions and 5 deletions
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5
firmware/firmware.make
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@ -47,6 +47,11 @@ $(BUILDDIR)/sysfont.o: $(SYSFONTX) $(BUILDDIR)/sysfont.h
$(call PRINTS,CONVBDF $(subst $(ROOTDIR)/,,$<))$(TOOLSDIR)/convbdf -l $(MAXCHAR) -c -o $(BUILDDIR)/sysfont.c $<
$(call PRINTS,CC $(subst $(ROOTDIR)/,,$(BUILDDIR)/sysfont.c))$(CC) $(CFLAGS) -c $(BUILDDIR)/sysfont.c -o $@
ifdef USE_LTO
$(BUILDDIR)/firmware/asm/%.o: CFLAGS += -fno-lto
$(BUILDDIR)/firmware/kernel/%.o: CFLAGS += -fno-lto
endif
# GNU make (at least) has a bug/feature that exported variable are not available
# in the shell function (but are in recipe). Thus we need to explicitely pass
# the VERSION environement variable