Makefile
author Mahlon E. Smith <mahlon@martini.nu>
Mon, 11 Jan 2016 22:58:19 -0800
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permissions -rw-r--r--
Rename INSTALL and README for Bitbucket formatting.
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########################################################################
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### S E T U P
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########################################################################
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UNAME       := $(shell uname)
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DEPS_DEBUG   = libprofiler
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CFLAGS       = -O2
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CFLAGS_DEBUG = -DDEBUG -DPROG='"volta (debugmode)"' -ggdb -ansi -Wall
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LIBS         = -lcdb
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OBJS         = $(patsubst %.c,%.o,$(wildcard *.c))
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.PHONY : parsegraph profile clean clobber release
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########################################################################
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### P L A T F O R M  T A R G E T S
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########################################################################
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# I hate this.  Tools like pkg-config are supposed to make finding
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# libraries easy across platforms.  They only work when everyone names
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# the libraries the same thing, unfortunately.  (Why name the libs with
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# the version number, when pkg-config supports built in versioning??)
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# And no, I'm not going to use autoconf, which just takes your build
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# problems and makes a whole bunch of new baby problems for you to
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# deal with.  Gaaarrgghghh.
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#
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# If you have problems building volta, manually pass the correct CFLAGS
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# and LIBS to the 'make' command line for your platform.
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#
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# The following works for OSX with macports or homebrew (10.6/10.7),
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# FreeBSD 8.x through 10.x, and Ubuntu 11.10 through 14.04.
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# Ubuntu
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#  - perftools doesn't currently register a .pc file at all
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#  - lua is called 'lua5.2'
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ifeq ($(UNAME), Linux)
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volta: CFLAGS += -L/usr/lib -I/usr/include
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volta: CFLAGS += $(shell pkg-config --cflags-only-I --libs-only-L lua5.2)
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volta: LIBS   += $(shell pkg-config --libs-only-l lua5.2)
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debug: CFLAGS += $(CFLAGS_DEBUG)\
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	$(shell pkg-config --cflags-only-I --libs-only-L lua5.2)
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debug: LIBS   += $(shell pkg-config --libs-only-l lua5.2) -lprofiler
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# FreeBSD
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# - lua is called 'lua-5.2'
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else ifeq ($(UNAME), FreeBSD)
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volta: CFLAGS += -L/usr/local/lib -I/usr/local/include
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volta: CFLAGS += $(shell pkg-config --cflags-only-I --libs-only-L lua-5.2)
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volta: LIBS   += $(shell pkg-config --libs-only-l lua-5.2)
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debug: CFLAGS += $(CFLAGS_DEBUG)\
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    $(shell pkg-config --cflags-only-I --libs-only-L lua-5.2 $(DEPS_DEBUG))
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debug: LIBS += $(shell pkg-config --libs-only-l lua-5.2 $(DEPS_DEBUG))
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# Darwin, everyone else (best guess?)
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# - lua is called 'lua', hopefully!
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else
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volta: CFLAGS += $(shell pkg-config --cflags-only-I --libs-only-L lua)
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volta: LIBS   += $(shell pkg-config --libs-only-l lua) 
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debug: CFLAGS += $(CFLAGS_DEBUG)\
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    $(shell pkg-config --cflags-only-I --libs-only-L lua $(DEPS_DEBUG))
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debug: LIBS += $(shell pkg-config --libs-only-l lua $(DEPS_DEBUG))
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endif
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# Fix parser line number display in debug mode
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ifeq (,$(findstring debug,$(MAKECMDGOALS)))
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	RAGEL_FLAGS = -LCe -G2
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else
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	RAGEL_FLAGS = -Ces -G2
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endif
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# Ensure the parser is included in the objs list
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# (patsubst wouldn't have found it if parser.c wasn't pre-generated.)
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ifneq (parser.o,$(findstring parser.o,$(OBJS)))
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	OBJS += parser.o
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endif
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########################################################################
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### B U I L D
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########################################################################
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volta: $(OBJS)
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	$(CC) $(CFLAGS) -o $@ $(OBJS) $(LIBS)
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	strip $@
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$(OBJS): volta.h
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db.o: db.h
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# don't actually depend on parser.rl, so distributions don't require ragel
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parser.c:
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	ragel $(RAGEL_FLAGS) parser.rl -o $@
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debug: $(OBJS)
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	$(CC) $(CFLAGS) -o volta $(OBJS) $(LIBS)
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########################################################################
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### U T I L
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########################################################################
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parsegraph: \
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	request_graph.xml request_graph.pdf request_graph.dot \
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	rule_graph.xml rule_graph.pdf rule_graph.dot \
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	dbinput_graph.xml dbinput_graph.pdf dbinput_graph.dot \
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	tld_graph.xml tld_graph.pdf tld_graph.dot
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request_graph.xml request_graph.pdf request_graph.dot \
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rule_graph.xml rule_graph.pdf rule_graph.dot \
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dbinput_graph.xml dbinput_graph.pdf dbinput_graph.dot \
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tld_graph.xml tld_graph.pdf tld_graph.dot: parser.rl
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	ragel -Vp -S request_parser parser.rl > request_graph.dot
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	ragel -Vp -S rule_parser parser.rl > rule_graph.dot
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	ragel -Vp -S dbinput_parser parser.rl > dbinput_graph.dot
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	ragel -Vp -S tld_parser parser.rl > tld_graph.dot
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	ragel $(RAGEL_FLAGS) -S request_parser -x parser.rl -o request_graph.xml
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	ragel $(RAGEL_FLAGS) -S rule_parser -x parser.rl -o rule_graph.xml
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	ragel $(RAGEL_FLAGS) -S dbinput_parser -x parser.rl -o dbinput_graph.xml
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	ragel $(RAGEL_FLAGS) -S tld_parser -x parser.rl -o tld_graph.xml
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	dot -Tpdf request_graph.dot > request_graph.pdf
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	dot -Tpdf rule_graph.dot > rule_graph.pdf
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	dot -Tpdf dbinput_graph.dot > dbinput_graph.pdf
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	dot -Tpdf tld_graph.dot > tld_graph.pdf
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# export CPUPROFILE="cpu.prof" before running volta for cpu profiling
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# export CPUPROFILE_FREQUENCY=100 (default)
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profile:
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	pprof --dot ./volta $(CPUPROFILE) | dot -Tpng > $(CPUPROFILE).png
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	pprof --text ./volta $(CPUPROFILE)
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tags:
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	ctags *.h *.c
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clobber: clean
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	rm -f parser.c volta.db ChangeLog tags
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clean:
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	-rm -f volta *_graph.* *.o *.prof*
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# requires BSD tar
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release: VERSION = $(shell hg id -t | awk '{ print $$1 }')
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release: clobber parser.c
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	hg log --style changelog > ChangeLog
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	tar -C .. --exclude misc --exclude .\* --exclude \*.rl -s '/^volta/volta-$(VERSION)/' -czvf /tmp/volta-$(VERSION).tgz volta
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	mv /tmp/volta-$(VERSION).tgz .
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