1##===- tools/llvm-config/Makefile --------------------------*- Makefile -*-===##
2#
3#                     The LLVM Compiler Infrastructure
4#
5# This file is distributed under the University of Illinois Open Source
6# License. See LICENSE.TXT for details.
7# 
8##===----------------------------------------------------------------------===##
9
10LEVEL = ../..
11
12EXTRA_DIST = LibDeps.txt FinalLibDeps.txt llvm-config.in.in find-cycles.pl
13
14include $(LEVEL)/Makefile.common
15
16# If we don't have Perl, we can't generate the library dependencies upon which 
17# llvm-config depends. Therefore, only if we detect perl will we do anything
18# useful.
19ifeq ($(HAVE_PERL),1)
20
21# Combine preprocessor flags (except for -I) and CXX flags.
22SUB_CPPFLAGS = ${CPP.BaseFlags}
23SUB_CFLAGS   = ${CPP.BaseFlags} ${C.Flags}
24SUB_CXXFLAGS = ${CPP.BaseFlags} ${CXX.Flags}
25
26# This is blank for now.  We need to be careful about adding stuff here:
27# LDFLAGS tend not to be portable, and we don't currently require the
28# user to use libtool when linking against LLVM.
29SUB_LDFLAGS = 
30
31FinalLibDeps = $(PROJ_OBJ_DIR)/FinalLibDeps.txt
32LibDeps      = $(PROJ_OBJ_DIR)/LibDeps.txt
33LibDepsTemp  = $(PROJ_OBJ_DIR)/LibDeps.txt.tmp
34GenLibDeps   = $(PROJ_SRC_ROOT)/utils/GenLibDeps.pl
35
36$(LibDepsTemp): $(GenLibDeps) $(LibDir) $(wildcard $(LibDir)/*.a $(LibDir)/*.o)
37	$(Echo) "Regenerating LibDeps.txt.tmp"
38	$(Verb) $(PERL) $(GenLibDeps) -flat $(LibDir) "$(NM_PATH)" > $(LibDepsTemp)
39
40$(LibDeps): $(LibDepsTemp)
41	$(Verb) $(CMP) -s $@ $< || ( $(CP) $< $@ && \
42	  $(EchoCmd) Updated LibDeps.txt because dependencies changed )
43
44# Find all the cyclic dependencies between various LLVM libraries, so we
45# don't have to process them at runtime.
46$(FinalLibDeps): find-cycles.pl $(LibDeps)
47	$(Echo) "Checking for cyclic dependencies between LLVM libraries."
48	$(Verb) $(PERL) $< < $(LibDeps) > $@ || rm -f $@
49
50# Rerun our configure substitutions as needed.
51ConfigInIn = $(PROJ_SRC_DIR)/llvm-config.in.in
52llvm-config.in: $(ConfigInIn) $(ConfigStatusScript)
53	$(Verb) cd $(PROJ_OBJ_ROOT) ; \
54		$(ConfigStatusScript) tools/llvm-config/llvm-config.in
55
56llvm-config-perobj: llvm-config.in $(GenLibDeps) $(LibDir) $(wildcard $(LibDir)/*.a)
57	$(Echo) "Generating llvm-config-perobj"
58	$(Verb) $(PERL) $(GenLibDeps) -perobj -flat $(LibDir) "$(NM_PATH)" >PerobjDeps.txt
59	$(Echo) "Checking for cyclic dependencies between LLVM objects."
60	$(Verb) $(PERL) $(PROJ_SRC_DIR)/find-cycles.pl < PerobjDepsIncl.txt > PerobjDepsInclFinal.txt || rm -f $@
61	$(Verb) $(ECHO) 's/@LLVM_CPPFLAGS@/$(subst /,\/,$(SUB_CPPFLAGS))/' \
62	> temp.sed
63	$(Verb) $(ECHO) 's/@LLVM_CFLAGS@/$(subst /,\/,$(SUB_CFLAGS))/' \
64	>> temp.sed
65	$(Verb) $(ECHO) 's/@LLVM_CXXFLAGS@/$(subst /,\/,$(SUB_CXXFLAGS))/' \
66	>> temp.sed
67	$(Verb) $(ECHO) 's/@LLVM_LDFLAGS@/$(subst /,\/,$(SUB_LDFLAGS))/' \
68	>> temp.sed
69	$(Verb) $(ECHO) 's/@LLVM_BUILDMODE@/$(subst /,\/,$(BuildMode))/' \
70	>> temp.sed
71	$(Verb) $(SED) -f temp.sed < $< > $@
72	$(Verb) $(RM) temp.sed
73	$(Verb) cat PerobjDepsFinal.txt >> $@
74	$(Verb) chmod +x $@
75
76llvm-config-perobjincl: llvm-config.in $(GenLibDeps) $(LibDir) $(wildcard $(LibDir)/*.a)
77	$(Echo) "Generating llvm-config-perobjincl"
78	$(Verb) $(PERL) $(GenLibDeps) -perobj -perobjincl -flat $(LibDir) "$(NM_PATH)" >PerobjDepsIncl.txt
79	$(Echo) "Checking for cyclic dependencies between LLVM objects."
80	$(Verb) $(PERL) $(PROJ_SRC_DIR)/find-cycles.pl < PerobjDepsIncl.txt > PerobjDepsInclFinal.txt
81	$(Verb) $(ECHO) 's/@LLVM_CPPFLAGS@/$(subst /,\/,$(SUB_CPPFLAGS))/' \
82	> temp.sed
83	$(Verb) $(ECHO) 's/@LLVM_CFLAGS@/$(subst /,\/,$(SUB_CFLAGS))/' \
84	>> temp.sed
85	$(Verb) $(ECHO) 's/@LLVM_CXXFLAGS@/$(subst /,\/,$(SUB_CXXFLAGS))/' \
86	>> temp.sed
87	$(Verb) $(ECHO) 's/@LLVM_LDFLAGS@/$(subst /,\/,$(SUB_LDFLAGS))/' \
88	>> temp.sed
89	$(Verb) $(ECHO) 's/@LLVM_BUILDMODE@/$(subst /,\/,$(BuildMode))/' \
90	>> temp.sed
91	$(Verb) $(SED) -f temp.sed < $< > $@
92	$(Verb) $(RM) temp.sed
93	$(Verb) cat PerobjDepsInclFinal.txt >> $@
94	$(Verb) chmod +x $@
95
96# Build our final script.
97$(ToolDir)/llvm-config: llvm-config.in $(FinalLibDeps)
98	$(Echo) "Building llvm-config script."
99	$(Verb) $(ECHO) 's/@LLVM_CPPFLAGS@/$(subst /,\/,$(SUB_CPPFLAGS))/' \
100	  > temp.sed
101	$(Verb) $(ECHO) 's/@LLVM_CFLAGS@/$(subst /,\/,$(SUB_CFLAGS))/' \
102	  >> temp.sed
103	$(Verb) $(ECHO) 's/@LLVM_CXXFLAGS@/$(subst /,\/,$(SUB_CXXFLAGS))/' \
104	  >> temp.sed
105	$(Verb) $(ECHO) 's/@LLVM_LDFLAGS@/$(subst /,\/,$(SUB_LDFLAGS))/' \
106	  >> temp.sed
107	$(Verb) $(ECHO) 's/@LLVM_BUILDMODE@/$(subst /,\/,$(BuildMode))/' \
108	  >> temp.sed
109	$(Verb) $(SED) -f temp.sed < $< > $@
110	$(Verb) $(RM) temp.sed
111	$(Verb) cat $(FinalLibDeps) >> $@
112	$(Verb) chmod +x $@
113
114else
115# We don't have perl, just generate a dummy llvm-config
116$(ToolDir)/llvm-config:
117	$(Echo) "Building place holder llvm-config script."
118	$(Verb) $(ECHO) 'echo llvm-config: Perl not found so llvm-config could not be generated' >> $@
119	$(Verb) chmod +x $@
120
121endif
122# Hook into the standard Makefile rules.
123all-local:: $(ToolDir)/llvm-config
124clean-local::
125	$(Verb) $(RM) -f $(ToolDir)/llvm-config llvm-config.in $(FinalLibDeps) \
126	  $(LibDeps) GenLibDeps.out
127install-local:: all-local
128	$(Echo) Installing llvm-config
129	$(Verb) $(MKDIR) $(DESTDIR)$(PROJ_bindir)
130	$(Verb) $(ScriptInstall) $(ToolDir)/llvm-config $(DESTDIR)$(PROJ_bindir)
131
132