upstream/mercurial-mirror Files · contrib/chg/Makefile

phases: avoid N² behavior in `advanceboundary`...

phases: avoid N² behavior in `advanceboundary` We allowed duplicated entries in the deque, which each entry could potentially insert all its ancestors. So advancing boundary for the full repository would mean each revision would walk all its ancestors, resulting in O(N²) iteration. For repository of any decent size, N² is quickly insane. We introduce a simple set to avoid this and get back to reasonable performance.

Valentin Gatien-Baron - - Load All Authors

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                r52398:c9ceb4f6

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      TARGET = chg

      SRCS = chg.c hgclient.c procutil.c util.c

      OBJS = $(SRCS:.c=.o)

      CFLAGS ?= -O2 -Wall -Wextra -pedantic -g

      CPPFLAGS ?= -D_FORTIFY_SOURCE=2 -D_GNU_SOURCE

      override CFLAGS += -std=gnu99

      ifdef HGPATH

      override CPPFLAGS += -DHGPATH=\"$(HGPATH)\"

      endif

      ifdef HGPATHREL

      override CPPFLAGS += -DHGPATHREL=\"$(HGPATHREL)\"

      endif

      DESTDIR =

      PREFIX = /usr/local

      MANDIR = $(PREFIX)/share/man/man1

      .PHONY: all

      all: $(TARGET)

      $(TARGET): $(OBJS)

      	$(CC) $(LDFLAGS) -o $@ $(OBJS)

      chg.o: hgclient.h procutil.h util.h

      hgclient.o: hgclient.h procutil.h util.h

      procutil.o: procutil.h util.h

      util.o: util.h

      .PHONY: install

      install: $(TARGET)

      	install -d "$(DESTDIR)$(PREFIX)"/bin

      	install -m 755 "$(TARGET)" "$(DESTDIR)$(PREFIX)"/bin

      	install -d "$(DESTDIR)$(MANDIR)"

      	install -m 644 chg.1 "$(DESTDIR)$(MANDIR)"

      .PHONY: clean

      clean:

      	$(RM) $(OBJS)

      .PHONY: distclean

      distclean:

      	$(RM) $(OBJS) $(TARGET)

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				TARGET = chg
				SRCS = chg.c hgclient.c procutil.c util.c
				OBJS = $(SRCS:.c=.o)

				CFLAGS ?= -O2 -Wall -Wextra -pedantic -g
				CPPFLAGS ?= -D_FORTIFY_SOURCE=2 -D_GNU_SOURCE
				override CFLAGS += -std=gnu99
				ifdef HGPATH
				override CPPFLAGS += -DHGPATH=\"$(HGPATH)\"
				endif
				ifdef HGPATHREL
				override CPPFLAGS += -DHGPATHREL=\"$(HGPATHREL)\"
				endif

				DESTDIR =
				PREFIX = /usr/local
				MANDIR = $(PREFIX)/share/man/man1

				.PHONY: all
				all: $(TARGET)

				$(TARGET): $(OBJS)
				$(CC) $(LDFLAGS) -o $@ $(OBJS)

				chg.o: hgclient.h procutil.h util.h
				hgclient.o: hgclient.h procutil.h util.h
				procutil.o: procutil.h util.h
				util.o: util.h

				.PHONY: install
				install: $(TARGET)
				install -d "$(DESTDIR)$(PREFIX)"/bin
				install -m 755 "$(TARGET)" "$(DESTDIR)$(PREFIX)"/bin
				install -d "$(DESTDIR)$(MANDIR)"
				install -m 644 chg.1 "$(DESTDIR)$(MANDIR)"

				.PHONY: clean
				clean:
				$(RM) $(OBJS)

				.PHONY: distclean
				distclean:
				$(RM) $(OBJS) $(TARGET)