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##===- tools/llvm-config/Makefile --------------------------*- Makefile -*-===##
#
# The LLVM Compiler Infrastructure
#
# This file is distributed under the University of Illinois Open Source
# License. See LICENSE.TXT for details.
#
##===----------------------------------------------------------------------===##
LEVEL = ../..
EXTRA_DIST = LibDeps.txt FinalLibDeps.txt llvm-config.in.in find-cycles.pl
include $(LEVEL)/Makefile.common
# If we don't have Perl, we can't generate the library dependencies upon which
# llvm-config depends. Therefore, only if we detect perl will we do anything
# useful.
ifeq ($(HAVE_PERL),1)
# Combine preprocessor flags (except for -I) and CXX flags.
SUB_CPPFLAGS = ${CPP.BaseFlags}
SUB_CFLAGS = ${CPP.BaseFlags} ${C.Flags}
SUB_CXXFLAGS = ${CPP.BaseFlags} ${CXX.Flags}
# This is blank for now. We need to be careful about adding stuff here:
# LDFLAGS tend not to be portable, and we don't currently require the
# user to use libtool when linking against LLVM.
SUB_LDFLAGS =
FinalLibDeps = $(PROJ_OBJ_DIR)/FinalLibDeps.txt
LibDeps = $(PROJ_OBJ_DIR)/LibDeps.txt
LibDepsTemp = $(PROJ_OBJ_DIR)/LibDeps.txt.tmp
GenLibDeps = $(PROJ_SRC_ROOT)/utils/GenLibDeps.pl
$(LibDepsTemp): $(GenLibDeps) $(LibDir) $(wildcard $(LibDir)/*.a $(LibDir)/*.o)
$(Echo) "Regenerating LibDeps.txt.tmp"
$(Verb) $(PERL) $(GenLibDeps) -flat $(LibDir) "$(NM_PATH)" > $(LibDepsTemp)
$(LibDeps): $(LibDepsTemp)
$(Verb) $(CMP) -s $@ $< || ( $(CP) $< $@ && \
$(EchoCmd) Updated LibDeps.txt because dependencies changed )
# Find all the cyclic dependencies between various LLVM libraries, so we
# don't have to process them at runtime.
$(FinalLibDeps): find-cycles.pl $(LibDeps)
$(Echo) "Checking for cyclic dependencies between LLVM libraries."
$(Verb) $(PERL) $< < $(LibDeps) > $@ || rm -f $@
# Rerun our configure substitutions as needed.
ConfigInIn = $(PROJ_SRC_DIR)/llvm-config.in.in
llvm-config.in: $(ConfigInIn) $(ConfigStatusScript)
$(Verb) cd $(PROJ_OBJ_ROOT) ; \
$(ConfigStatusScript) tools/llvm-config/llvm-config.in
# Build our final script.
$(ToolDir)/llvm-config: llvm-config.in $(FinalLibDeps)
$(Echo) "Building llvm-config script."
$(Verb) $(ECHO) 's/@LLVM_CPPFLAGS@/$(subst /,\/,$(SUB_CPPFLAGS))/' \
> temp.sed
$(Verb) $(ECHO) 's/@LLVM_CFLAGS@/$(subst /,\/,$(SUB_CFLAGS))/' \
>> temp.sed
$(Verb) $(ECHO) 's/@LLVM_CXXFLAGS@/$(subst /,\/,$(SUB_CXXFLAGS))/' \
>> temp.sed
$(Verb) $(ECHO) 's/@LLVM_LDFLAGS@/$(subst /,\/,$(SUB_LDFLAGS))/' \
>> temp.sed
$(Verb) $(ECHO) 's/@LLVM_BUILDMODE@/$(subst /,\/,$(BuildMode))/' \
>> temp.sed
$(Verb) $(ECHO) 's/@LLVM_OBJ_SUFFIX@/$(subst /,\/,/$(BuildMode))/' \
>> temp.sed
$(Verb) $(SED) -f temp.sed < $< > $@
$(Verb) $(RM) temp.sed
$(Verb) cat $(FinalLibDeps) >> $@
$(Verb) chmod +x $@
else
# We don't have perl, just generate a dummy llvm-config
$(ToolDir)/llvm-config:
$(Echo) "Building place holder llvm-config script."
$(Verb) $(ECHO) 'echo llvm-config: Perl not found so llvm-config could not be generated' >> $@
$(Verb) chmod +x $@
endif
# Hook into the standard Makefile rules.
all-local:: $(ToolDir)/llvm-config
clean-local::
$(Verb) $(RM) -f $(ToolDir)/llvm-config llvm-config.in $(FinalLibDeps) \
$(LibDeps) GenLibDeps.out
install-local:: all-local
$(Echo) Installing llvm-config
$(Verb) $(MKDIR) $(DESTDIR)$(PROJ_bindir)
$(Verb) $(ScriptInstall) $(ToolDir)/llvm-config $(DESTDIR)$(PROJ_bindir)
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