ENABLE_ASSERTIONS=1
endif
+# Derive whether or not LTO is enabled by checking the extra options.
+LTO_IS_ENABLED := 0
+ifneq ($(findstring -flto,$(CompileCommonOpts)),)
+LTO_IS_ENABLED := 1
+else
+ifneq ($(findstring -O4,$(CompileCommonOpts)),)
+LTO_IS_ENABLED := 1
+endif
+endif
+
lit.site.cfg: FORCE
@echo "Making LLVM 'lit.site.cfg' file..."
@$(ECHOPATH) s=@TARGET_TRIPLE@=$(TARGET_TRIPLE)=g > lit.tmp
@$(ECHOPATH) s=@OCAMLOPT@=$(OCAMLOPT) -cc $(subst *,'\\\"',*$(subst =,"\\=",$(CXX_FOR_OCAMLOPT))*) -I $(LibDir)/ocaml=g >> lit.tmp
@$(ECHOPATH) s=@ENABLE_SHARED@=$(ENABLE_SHARED)=g >> lit.tmp
@$(ECHOPATH) s=@ENABLE_ASSERTIONS@=$(ENABLE_ASSERTIONS)=g >> lit.tmp
+ @$(ECHOPATH) s=@LTO_IS_ENABLED@=$(LTO_IS_ENABLED)=g >> lit.tmp
@$(ECHOPATH) s=@TARGETS_TO_BUILD@=$(TARGETS_TO_BUILD)=g >> lit.tmp
@$(ECHOPATH) s=@LLVM_BINDINGS@=$(BINDINGS_TO_BUILD)=g >> lit.tmp
@$(ECHOPATH) s=@HOST_OS@=$(HOST_OS)=g >> lit.tmp
if loadable_module:
config.available_features.add('loadable_module')
+# LTO
+if config.lto_is_enabled == "1":
+ config.available_features.add('lto')
+
# llc knows whether he is compiled with -DNDEBUG.
import subprocess
try:
config.ocamlopt_executable = "@OCAMLOPT@"
config.enable_shared = @ENABLE_SHARED@
config.enable_assertions = @ENABLE_ASSERTIONS@
+config.lto_is_enabled = "@LTO_IS_ENABLED@"
config.targets_to_build = "@TARGETS_TO_BUILD@"
config.llvm_bindings = "@LLVM_BINDINGS@"
config.host_os = "@HOST_OS@"