Makefile: improve dependency generation
Makefile target generation would always be included for any makefile target that was not clean. Only care to include the '.deps' directory when building cgit, rather than generating and including dependencies when calling other makefile targets. Heavily borrowed from git's Makefile, but without definitions to test for the compiler's header dependency feature. Previous Makefile implementation never checked for this compiler feature anyway. - Removed makecmdgoal 'clean' check - Grouped like .PHONY target definitions - Place build dependency targets under .SUFFIXES - Re-arranged location of library inclusion definitions - Use google code mirror instead of github Signed-off-by: Jamie Couture <jamie.couture@gmail.com> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jamie Couture
Jason A. Donenfeld
parent
fac4da38a0
commit
ca59b26dfd
162
Makefile
162
Makefile
@ -1,3 +1,5 @@
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all::
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CGIT_VERSION = v0.9.1
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CGIT_SCRIPT_NAME = cgit.cgi
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CGIT_SCRIPT_PATH = /var/www/htdocs/cgit
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@ -12,8 +14,8 @@ htmldir = $(docdir)
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pdfdir = $(docdir)
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mandir = $(prefix)/share/man
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SHA1_HEADER = <openssl/sha.h>
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GIT_VER = 1.7.4
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GIT_URL = https://github.com/git/git/archive/v$(GIT_VER).tar.gz
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GIT_VER = 1.7.12.4
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GIT_URL = https://git-core.googlecode.com/files/git-$(GIT_VER).tar.gz
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INSTALL = install
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MAN5_TXT = $(wildcard *.5.txt)
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MAN_TXT = $(MAN5_TXT)
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@ -40,22 +42,14 @@ DOC_PDF = $(patsubst %.txt,%.pdf,$(MAN_TXT))
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# Platform specific tweaks
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#
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VERSION: force-version
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@./gen-version.sh "$(CGIT_VERSION)"
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-include VERSION
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uname_S := $(shell sh -c 'uname -s 2>/dev/null || echo not')
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uname_O := $(shell sh -c 'uname -o 2>/dev/null || echo not')
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uname_R := $(shell sh -c 'uname -r 2>/dev/null || echo not')
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ifeq ($(uname_O),Cygwin)
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NO_STRCASESTR = YesPlease
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NEEDS_LIBICONV = YesPlease
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endif
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ifeq ($(uname_S),$(filter $(uname_S),FreeBSD OpenBSD))
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# Apparantly libiconv is installed in /usr/local on BSD
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LDFLAGS ?= -L/usr/local/lib
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CFLAGS ?= -I/usr/local/include
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NEEDS_LIBICONV = yes
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endif
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#
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# Let the user override the above settings.
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#
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@ -76,30 +70,62 @@ endif
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ifndef V
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QUIET_CC = @echo ' ' CC $@;
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QUIET_MM = @echo ' ' MM $@;
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QUIET_LINK = @echo ' ' LINK $@;
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QUIET_SUBDIR0 = +@subdir=
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QUIET_SUBDIR1 = ;$(NO_SUBDIR) echo ' ' SUBDIR $$subdir; \
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$(MAKE) $(PRINT_DIR) -C $$subdir
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QUIET_TAGS = @echo ' ' TAGS $@;
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export V
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endif
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#
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# Define a pattern rule for automatic dependency building
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#
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%.d: %.c
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$(QUIET_MM)$(CC) $(CFLAGS) -MM -MP $< | sed -e 's/\($*\)\.o:/\1.o $@:/g' >$@
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LDFLAGS ?=
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CFLAGS ?= -g -Wall
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CFLAGS += -Igit
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CFLAGS += -DSHA1_HEADER='$(SHA1_HEADER)'
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CFLAGS += -DCGIT_VERSION='"$(CGIT_VERSION)"'
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CFLAGS += -DCGIT_CONFIG='"$(CGIT_CONFIG)"'
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CFLAGS += -DCGIT_SCRIPT_NAME='"$(CGIT_SCRIPT_NAME)"'
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CFLAGS += -DCGIT_CACHE_ROOT='"$(CACHE_ROOT)"'
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#
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# Define a pattern rule for silent object building
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#
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%.o: %.c
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$(QUIET_CC)$(CC) -o $*.o -c $(CFLAGS) $<
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ifeq ($(uname_O),Cygwin)
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NO_STRCASESTR = YesPlease
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NEEDS_LIBICONV = YesPlease
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endif
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ifeq ($(uname_S),$(filter $(uname_S),FreeBSD OpenBSD))
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# Apparantly libiconv is installed in /usr/local on BSD
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LDFLAGS += -L/usr/local/lib
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CFLAGS += -I/usr/local/include
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NEEDS_LIBICONV = yes
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endif
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EXTLIBS = git/libgit.a git/xdiff/lib.a -lz -lpthread
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GIT_OPTIONS = prefix=/usr
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OBJECTS =
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OBJECTS += cache.o
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ifdef NO_ICONV
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CFLAGS += -DNO_ICONV
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endif
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ifdef NO_STRCASESTR
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CFLAGS += -DNO_STRCASESTR
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endif
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ifdef NO_C99_FORMAT
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CFLAGS += -DNO_C99_FORMAT
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endif
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ifdef NO_OPENSSL
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CFLAGS += -DNO_OPENSSL
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GIT_OPTIONS += NO_OPENSSL=1
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else
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LDLIBS += -lcrypto
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endif
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ifdef NEEDS_LIBICONV
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LDLIBS += -liconv
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endif
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LDLIBS += git/libgit.a git/xdiff/lib.a -lz -lpthread
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OBJECTS += cgit.o
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OBJECTS += cache.o
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OBJECTS += cmd.o
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OBJECTS += configfile.o
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OBJECTS += html.o
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@ -125,55 +151,30 @@ OBJECTS += ui-tag.o
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OBJECTS += ui-tree.o
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OBJECTS += vector.o
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ifdef NEEDS_LIBICONV
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EXTLIBS += -liconv
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dep_files := $(foreach f,$(OBJECTS),$(dir $f).deps/$(notdir $f).d)
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dep_dirs := $(addsuffix .deps,$(sort $(dir $OBJECTS)))
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$(dep_dirs):
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@mkdir -p $@
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missing_dep_dirs := $(filter-out $(wildcard $(dep_dirs)),$(dep_dirs))
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dep_file = $(dir $@).deps/$(notdir $@).d
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dep_args = -MF $(dep_file) -MMD -MP
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.SUFFIXES:
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$(OBJECTS): %.o: %.c $(missing_dep_dirs)
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$(QUIET_CC)$(CC) -o $*.o -c $(dep_args) $(CFLAGS) $<
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dep_files_present := $(wildcard $(dep_files))
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ifneq ($(dep_files_present),)
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include $(dep_files_present)
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endif
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all:: cgit
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.PHONY: all libgit test install uninstall clean force-version get-git \
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doc clean-doc install-doc install-man install-html install-pdf \
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uninstall-doc uninstall-man uninstall-html uninstall-pdf tags
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all: cgit
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VERSION: force-version
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@./gen-version.sh "$(CGIT_VERSION)"
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-include VERSION
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CFLAGS += -g -Wall -Igit
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CFLAGS += -DSHA1_HEADER='$(SHA1_HEADER)'
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CFLAGS += -DCGIT_VERSION='"$(CGIT_VERSION)"'
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CFLAGS += -DCGIT_CONFIG='"$(CGIT_CONFIG)"'
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CFLAGS += -DCGIT_SCRIPT_NAME='"$(CGIT_SCRIPT_NAME)"'
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CFLAGS += -DCGIT_CACHE_ROOT='"$(CACHE_ROOT)"'
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GIT_OPTIONS = prefix=/usr
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ifdef NO_ICONV
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CFLAGS += -DNO_ICONV
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endif
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ifdef NO_STRCASESTR
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CFLAGS += -DNO_STRCASESTR
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endif
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ifdef NO_C99_FORMAT
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CFLAGS += -DNO_C99_FORMAT
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endif
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ifdef NO_OPENSSL
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CFLAGS += -DNO_OPENSSL
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GIT_OPTIONS += NO_OPENSSL=1
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else
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EXTLIBS += -lcrypto
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endif
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cgit: $(OBJECTS) libgit
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$(QUIET_CC)$(CC) $(CFLAGS) $(LDFLAGS) -o cgit $(OBJECTS) $(EXTLIBS)
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cgit.o: VERSION
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ifneq "$(MAKECMDGOALS)" "clean"
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-include $(OBJECTS:.o=.d)
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endif
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cgit: VERSION $(OBJECTS) libgit
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$(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(OBJECTS) $(LDLIBS)
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libgit:
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$(QUIET_SUBDIR0)git $(QUIET_SUBDIR1) NO_CURL=1 $(GIT_OPTIONS) libgit.a
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@ -243,13 +244,24 @@ $(DOC_PDF): %.pdf : %.txt
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a2x -f pdf cgitrc.5.txt
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clean: clean-doc
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rm -f cgit VERSION *.o *.d tags
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$(RM) cgit VERSION *.o tags
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$(RM) -r .deps
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cleanall: clean
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$(MAKE) -C git clean
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clean-doc:
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rm -f cgitrc.5 cgitrc.5.html cgitrc.5.pdf cgitrc.5.xml cgitrc.5.fo
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$(RM) cgitrc.5 cgitrc.5.html cgitrc.5.pdf cgitrc.5.xml cgitrc.5.fo
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get-git:
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curl -L $(GIT_URL) | tar -xzf - && rm -rf git && mv git-$(GIT_VER) git
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tags:
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$(QUIET_TAGS)find . -name '*.[ch]' | xargs ctags
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.PHONY: all cgit get-git libgit force-version
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.PHONY: clean clean-doc cleanall
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.PHONY: doc doc-html doc-man doc-pdf
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.PHONY: install install-doc install-html install-man install-pdf
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.PHONY: tags test
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.PHONY: uninstall uninstall-doc uninstall-html uninstall-man uninstall-pdf
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