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authorJamie Couture <jamie.couture@gmail.com>2012-11-17 22:02:17 +0400
committerJason A. Donenfeld <Jason@zx2c4.com>2013-03-04 18:25:24 +0400
commitca59b26dfd6e5bed6622fad2c57d57083714f9e7 (patch)
treebea135c1e603b0986f6b986c11727b59946c9ecb
parentfac4da38a074a831e2ef2476dde23a6bc073cc28 (diff)
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>
-rw-r--r--Makefile152
1 files changed, 82 insertions, 70 deletions
diff --git a/Makefile b/Makefile
index bbce29d..42e8bfd 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,5 @@
+all::
+
CGIT_VERSION = v0.9.1
CGIT_SCRIPT_NAME = cgit.cgi
CGIT_SCRIPT_PATH = /var/www/htdocs/cgit
@@ -12,8 +14,8 @@ htmldir = $(docdir)
pdfdir = $(docdir)
mandir = $(prefix)/share/man
SHA1_HEADER = <openssl/sha.h>
-GIT_VER = 1.7.4
-GIT_URL = https://github.com/git/git/archive/v$(GIT_VER).tar.gz
+GIT_VER = 1.7.12.4
+GIT_URL = https://git-core.googlecode.com/files/git-$(GIT_VER).tar.gz
INSTALL = install
MAN5_TXT = $(wildcard *.5.txt)
MAN_TXT = $(MAN5_TXT)
@@ -40,22 +42,14 @@ DOC_PDF = $(patsubst %.txt,%.pdf,$(MAN_TXT))
# Platform specific tweaks
#
+VERSION: force-version
+ @./gen-version.sh "$(CGIT_VERSION)"
+-include VERSION
+
uname_S := $(shell sh -c 'uname -s 2>/dev/null || echo not')
uname_O := $(shell sh -c 'uname -o 2>/dev/null || echo not')
uname_R := $(shell sh -c 'uname -r 2>/dev/null || echo not')
-ifeq ($(uname_O),Cygwin)
- NO_STRCASESTR = YesPlease
- NEEDS_LIBICONV = YesPlease
-endif
-
-ifeq ($(uname_S),$(filter $(uname_S),FreeBSD OpenBSD))
- # Apparantly libiconv is installed in /usr/local on BSD
- LDFLAGS ?= -L/usr/local/lib
- CFLAGS ?= -I/usr/local/include
- NEEDS_LIBICONV = yes
-endif
-
#
# Let the user override the above settings.
#
@@ -76,30 +70,62 @@ endif
ifndef V
QUIET_CC = @echo ' ' CC $@;
- QUIET_MM = @echo ' ' MM $@;
+ QUIET_LINK = @echo ' ' LINK $@;
QUIET_SUBDIR0 = +@subdir=
QUIET_SUBDIR1 = ;$(NO_SUBDIR) echo ' ' SUBDIR $$subdir; \
$(MAKE) $(PRINT_DIR) -C $$subdir
QUIET_TAGS = @echo ' ' TAGS $@;
+ export V
endif
-#
-# Define a pattern rule for automatic dependency building
-#
-%.d: %.c
- $(QUIET_MM)$(CC) $(CFLAGS) -MM -MP $< | sed -e 's/\($*\)\.o:/\1.o $@:/g' >$@
+LDFLAGS ?=
+CFLAGS ?= -g -Wall
+CFLAGS += -Igit
+CFLAGS += -DSHA1_HEADER='$(SHA1_HEADER)'
+CFLAGS += -DCGIT_VERSION='"$(CGIT_VERSION)"'
+CFLAGS += -DCGIT_CONFIG='"$(CGIT_CONFIG)"'
+CFLAGS += -DCGIT_SCRIPT_NAME='"$(CGIT_SCRIPT_NAME)"'
+CFLAGS += -DCGIT_CACHE_ROOT='"$(CACHE_ROOT)"'
-#
-# Define a pattern rule for silent object building
-#
-%.o: %.c
- $(QUIET_CC)$(CC) -o $*.o -c $(CFLAGS) $<
+ifeq ($(uname_O),Cygwin)
+ NO_STRCASESTR = YesPlease
+ NEEDS_LIBICONV = YesPlease
+endif
+ifeq ($(uname_S),$(filter $(uname_S),FreeBSD OpenBSD))
+ # Apparantly libiconv is installed in /usr/local on BSD
+ LDFLAGS += -L/usr/local/lib
+ CFLAGS += -I/usr/local/include
+ NEEDS_LIBICONV = yes
+endif
-EXTLIBS = git/libgit.a git/xdiff/lib.a -lz -lpthread
+GIT_OPTIONS = prefix=/usr
OBJECTS =
-OBJECTS += cache.o
+
+ifdef NO_ICONV
+ CFLAGS += -DNO_ICONV
+endif
+ifdef NO_STRCASESTR
+ CFLAGS += -DNO_STRCASESTR
+endif
+ifdef NO_C99_FORMAT
+ CFLAGS += -DNO_C99_FORMAT
+endif
+ifdef NO_OPENSSL
+ CFLAGS += -DNO_OPENSSL
+ GIT_OPTIONS += NO_OPENSSL=1
+else
+ LDLIBS += -lcrypto
+endif
+
+ifdef NEEDS_LIBICONV
+ LDLIBS += -liconv
+endif
+
+LDLIBS += git/libgit.a git/xdiff/lib.a -lz -lpthread
+
OBJECTS += cgit.o
+OBJECTS += cache.o
OBJECTS += cmd.o
OBJECTS += configfile.o
OBJECTS += html.o
@@ -125,55 +151,30 @@ OBJECTS += ui-tag.o
OBJECTS += ui-tree.o
OBJECTS += vector.o
-ifdef NEEDS_LIBICONV
- EXTLIBS += -liconv
-endif
+dep_files := $(foreach f,$(OBJECTS),$(dir $f).deps/$(notdir $f).d)
+dep_dirs := $(addsuffix .deps,$(sort $(dir $OBJECTS)))
+$(dep_dirs):
+ @mkdir -p $@
-.PHONY: all libgit test install uninstall clean force-version get-git \
- doc clean-doc install-doc install-man install-html install-pdf \
- uninstall-doc uninstall-man uninstall-html uninstall-pdf tags
+missing_dep_dirs := $(filter-out $(wildcard $(dep_dirs)),$(dep_dirs))
+dep_file = $(dir $@).deps/$(notdir $@).d
+dep_args = -MF $(dep_file) -MMD -MP
-all: cgit
+.SUFFIXES:
-VERSION: force-version
- @./gen-version.sh "$(CGIT_VERSION)"
--include VERSION
+$(OBJECTS): %.o: %.c $(missing_dep_dirs)
+ $(QUIET_CC)$(CC) -o $*.o -c $(dep_args) $(CFLAGS) $<
-
-CFLAGS += -g -Wall -Igit
-CFLAGS += -DSHA1_HEADER='$(SHA1_HEADER)'
-CFLAGS += -DCGIT_VERSION='"$(CGIT_VERSION)"'
-CFLAGS += -DCGIT_CONFIG='"$(CGIT_CONFIG)"'
-CFLAGS += -DCGIT_SCRIPT_NAME='"$(CGIT_SCRIPT_NAME)"'
-CFLAGS += -DCGIT_CACHE_ROOT='"$(CACHE_ROOT)"'
-
-GIT_OPTIONS = prefix=/usr
-
-ifdef NO_ICONV
- CFLAGS += -DNO_ICONV
+dep_files_present := $(wildcard $(dep_files))
+ifneq ($(dep_files_present),)
+include $(dep_files_present)
endif
-ifdef NO_STRCASESTR
- CFLAGS += -DNO_STRCASESTR
-endif
-ifdef NO_C99_FORMAT
- CFLAGS += -DNO_C99_FORMAT
-endif
-ifdef NO_OPENSSL
- CFLAGS += -DNO_OPENSSL
- GIT_OPTIONS += NO_OPENSSL=1
-else
- EXTLIBS += -lcrypto
-endif
-
-cgit: $(OBJECTS) libgit
- $(QUIET_CC)$(CC) $(CFLAGS) $(LDFLAGS) -o cgit $(OBJECTS) $(EXTLIBS)
-cgit.o: VERSION
+all:: cgit
-ifneq "$(MAKECMDGOALS)" "clean"
- -include $(OBJECTS:.o=.d)
-endif
+cgit: VERSION $(OBJECTS) libgit
+ $(QUIET_LINK)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(OBJECTS) $(LDLIBS)
libgit:
$(QUIET_SUBDIR0)git $(QUIET_SUBDIR1) NO_CURL=1 $(GIT_OPTIONS) libgit.a
@@ -243,13 +244,24 @@ $(DOC_PDF): %.pdf : %.txt
a2x -f pdf cgitrc.5.txt
clean: clean-doc
- rm -f cgit VERSION *.o *.d tags
+ $(RM) cgit VERSION *.o tags
+ $(RM) -r .deps
+
+cleanall: clean
+ $(MAKE) -C git clean
clean-doc:
- rm -f cgitrc.5 cgitrc.5.html cgitrc.5.pdf cgitrc.5.xml cgitrc.5.fo
+ $(RM) cgitrc.5 cgitrc.5.html cgitrc.5.pdf cgitrc.5.xml cgitrc.5.fo
get-git:
curl -L $(GIT_URL) | tar -xzf - && rm -rf git && mv git-$(GIT_VER) git
tags:
$(QUIET_TAGS)find . -name '*.[ch]' | xargs ctags
+
+.PHONY: all cgit get-git libgit force-version
+.PHONY: clean clean-doc cleanall
+.PHONY: doc doc-html doc-man doc-pdf
+.PHONY: install install-doc install-html install-man install-pdf
+.PHONY: tags test
+.PHONY: uninstall uninstall-doc uninstall-html uninstall-man uninstall-pdf