Makefile revision de9c02b171760b9514392c9965541bdc81e3c898 
1##===- tools/llvm-config/Makefile --------------------------*- Makefile -*-===##
2#
3#                     The LLVM Compiler Infrastructure
4#
5# This file was developed by Reid Spencer and Eric Kidd and is distributed under
6# the University of Illinois Open Source License. See LICENSE.TXT for details.
7# 
8##===----------------------------------------------------------------------===##
9
10LEVEL = ../..
11
12EXTRA_DIST = LibDeps.txt FinalLibDeps.txt llvm-config.in.in find-cycles.pl
13REQUIRES_EH := 1
14
15include $(LEVEL)/Makefile.common
16
17# If we don't have Perl, we can't generate the library dependencies upon which 
18# llvm-config depends. Therefore, only if we detect perl will we do anything
19# useful.
20ifeq ($(HAVE_PERL),1)
21
22# Combine preprocessor flags (except for -I) and CXX flags.
23SUB_CXXFLAGS = ${CPP.BaseFlags} ${CXX.Flags}
24
25# This is blank for now.  We need to be careful about adding stuff here:
26# LDFLAGS tend not to be portable, and we don't currently require the
27# user to use libtool when linking against LLVM.
28SUB_LDFLAGS = 
29
30FinalLibDeps = $(PROJ_OBJ_DIR)/FinalLibDeps.txt
31LibDeps      = $(PROJ_OBJ_DIR)/LibDeps.txt
32GenLibDeps   = $(PROJ_SRC_ROOT)/utils/GenLibDeps.pl
33
34$(LibDeps): $(GenLibDeps) $(LibDir) $(wildcard $(LibDir)/*.a $(LibDir)/*.o)
35	$(Echo) "Regenerating LibDeps.txt"
36	$(Verb) $(GenLibDeps) -flat $(LibDir) $(NM_PATH)
37
38# Find all the cyclic dependencies between various LLVM libraries, so we
39# don't have to process them at runtime.
40$(FinalLibDeps): find-cycles.pl $(LibDeps)
41	$(Echo) "Finding cyclic dependencies between LLVM libraries."
42	$(Verb) $(PERL) $< < $(LibDeps) > $@
43
44# Rerun our configure substitutions as needed.
45ConfigInIn = $(PROJ_SRC_DIR)/llvm-config.in.in
46llvm-config.in: $(ConfigInIn) $(ConfigStatusScript)
47	$(Verb) cd $(PROJ_OBJ_ROOT) ; \
48		$(ConfigStatusScript) tools/llvm-config/llvm-config.in
49
50# Build our final script.
51$(ToolDir)/llvm-config: llvm-config.in $(FinalLibDeps)
52	$(Echo) "Building llvm-config script."
53	$(Verb) $(ECHO) 's,@LLVM_CXXFLAGS@,$(SUB_CXXFLAGS),' > temp.sed
54	$(Verb) $(ECHO) 's,@LLVM_LDFLAGS@,$(SUB_LDFLAGS),' >> temp.sed
55	$(Verb) $(ECHO) 's,@LLVM_BUILDMODE@,$(BuildMode),' >> temp.sed
56	$(Verb) $(SED) -f temp.sed < $< > $@
57	$(Verb) $(RM) temp.sed
58	$(Verb) cat $(FinalLibDeps) >> $@
59	$(Verb) chmod +x $@
60
61else
62# We don't have perl, just generate a dummy llvm-config
63$(ToolDir)/llvm-config:
64	$(Echo) "Building place holder llvm-config script."
65	$(Verb) $(ECHO) 'echo llvm-config: Perl not found so llvm-config could not be generated' >> $@
66	$(Verb) chmod +x $@
67
68endif
69# Hook into the standard Makefile rules.
70all-local:: $(ToolDir)/llvm-config
71clean-local::
72	$(Verb) $(RM) -f $(ToolDir)/llvm-config llvm-config.in $(FinalLibDeps) \
73	  $(LibDeps) GenLibDeps.out
74install-local:: all-local
75	$(Echo) Installing llvm-config
76	$(Verb) $(MKDIR) $(PROJ_bindir)
77	$(Verb) $(ScriptInstall) $(ToolDir)/llvm-config $(PROJ_bindir)
78
79