Fix sparse warnings
[gitweb.git] / Makefile
index 133808c82fe37a5dc086b7cdaf436bc3ce0027a6..092931a1f1ab5874562a056ae8ba82afd69840aa 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -6,12 +6,16 @@
 # Define NO_OPENSSL environment variable if you do not have OpenSSL. You will
 # miss out git-rev-list --merge-order. This also implies MOZILLA_SHA1.
 #
-# Define NO_CURL if you do not have curl installed.  git-http-pull is not
-# built, and you cannot use http:// and https:// transports.
+# Define NO_CURL if you do not have curl installed.  git-http-pull and
+# git-http-push are not built, and you cannot use http:// and https://
+# transports.
 #
 # Define CURLDIR=/foo/bar if your curl header and library files are in
 # /foo/bar/include and /foo/bar/lib directories.
 #
+# Define NO_EXPAT if you do not have expat installed.  git-http-push is
+# not built, and you cannot push using http:// and https:// transports.
+#
 # Define NO_STRCASESTR if you don't have strcasestr.
 #
 # Define PPC_SHA1 environment variable when running make to make use of
@@ -27,6 +31,8 @@
 # Define NEEDS_SOCKET if linking with libc is not enough (SunOS,
 # Patrick Mauritz).
 #
+# Define NO_MMAP if you want to avoid mmap.
+#
 # Define WITH_OWN_SUBPROCESS_PY if you want to use with python 2.3.
 #
 # Define NO_IPV6 if you lack IPv6 support and getaddrinfo().
 # 1461501637330902918203684832716283019655932542976 hashes do not give you
 # sufficient guarantee that no collisions between objects will ever happen.
 
-# DEFINES += -DCOLLISION_CHECK
-
 # Define USE_NSEC below if you want git to care about sub-second file mtimes
 # and ctimes. Note that you need recent glibc (at least 2.2.4) for this, and
 # it will BREAK YOUR LOCAL DIFFS! show-diff and anything using it will likely
 # randomly break unless your underlying filesystem supports those sub-second
 # times (my ext3 doesn't).
 
-# DEFINES += -DUSE_NSEC
-
 # Define USE_STDEV below if you want git to care about the underlying device
 # change being considered an inode change from the update-cache perspective.
 
-# DEFINES += -DUSE_STDEV
+GIT_VERSION = 0.99.9.GIT
 
-GIT_VERSION = 0.99.8.GIT
+# CFLAGS and LDFLAGS are for the users to override from the command line.
 
 CFLAGS = -g -O2 -Wall
-ALL_CFLAGS = $(CFLAGS) $(PLATFORM_DEFINES) $(DEFINES)
+LDFLAGS =
+ALL_CFLAGS = $(CFLAGS)
+ALL_LDFLAGS = $(LDFLAGS)
 
 prefix = $(HOME)
 bindir = $(prefix)/bin
@@ -84,14 +88,16 @@ SCRIPT_SH = \
        git-prune.sh git-pull.sh git-push.sh git-rebase.sh \
        git-repack.sh git-request-pull.sh git-reset.sh \
        git-resolve.sh git-revert.sh git-sh-setup.sh git-status.sh \
-       git-tag.sh git-verify-tag.sh git-whatchanged.sh git.sh \
-       git-applymbox.sh git-applypatch.sh \
+       git-tag.sh git-verify-tag.sh git-whatchanged.sh \
+       git-applymbox.sh git-applypatch.sh git-am.sh \
        git-merge.sh git-merge-stupid.sh git-merge-octopus.sh \
-       git-merge-resolve.sh git-grep.sh
+       git-merge-resolve.sh git-merge-ours.sh git-grep.sh \
+       git-lost-found.sh
 
 SCRIPT_PERL = \
        git-archimport.perl git-cvsimport.perl git-relink.perl \
-       git-rename.perl git-shortlog.perl git-fmt-merge-msg.perl
+       git-shortlog.perl git-fmt-merge-msg.perl \
+       git-svnimport.perl git-mv.perl git-cvsexportcommit.perl
 
 SCRIPT_PYTHON = \
        git-merge-recursive.py
@@ -99,7 +105,7 @@ SCRIPT_PYTHON = \
 # The ones that do not have to link with lcrypto nor lz.
 SIMPLE_PROGRAMS = \
        git-get-tar-commit-id$X git-mailinfo$X git-mailsplit$X \
-       git-stripspace$X git-var$X git-daemon$X
+       git-stripspace$X git-daemon$X
 
 # ... and all the rest
 PROGRAMS = \
@@ -108,17 +114,18 @@ PROGRAMS = \
        git-convert-objects$X git-diff-files$X \
        git-diff-index$X git-diff-stages$X \
        git-diff-tree$X git-fetch-pack$X git-fsck-objects$X \
-       git-hash-object$X git-init-db$X \
+       git-hash-object$X git-index-pack$X git-init-db$X \
        git-local-fetch$X git-ls-files$X git-ls-tree$X git-merge-base$X \
        git-merge-index$X git-mktag$X git-pack-objects$X git-patch-id$X \
        git-peek-remote$X git-prune-packed$X git-read-tree$X \
        git-receive-pack$X git-rev-list$X git-rev-parse$X \
-       git-send-pack$X git-show-branch$X \
+       git-send-pack$X git-show-branch$X git-shell$X \
        git-show-index$X git-ssh-fetch$X \
        git-ssh-upload$X git-tar-tree$X git-unpack-file$X \
        git-unpack-objects$X git-update-index$X git-update-server-info$X \
        git-upload-pack$X git-verify-pack$X git-write-tree$X \
-       git-update-ref$X git-symbolic-ref$X \
+       git-update-ref$X git-symbolic-ref$X git-check-ref-format$X \
+       git-name-rev$X git-pack-redundant$X git-config-set$X git-var$X \
        $(SIMPLE_PROGRAMS)
 
 # Backward compatibility -- to be removed after 1.0
@@ -148,7 +155,7 @@ LIB_H = \
 
 DIFF_OBJS = \
        diff.o diffcore-break.o diffcore-order.o diffcore-pathspec.o \
-       diffcore-pickaxe.o diffcore-rename.o
+       diffcore-pickaxe.o diffcore-rename.o tree-diff.o
 
 LIB_OBJS = \
        blob.o commit.o connect.o count-delta.o csum-file.o \
@@ -156,51 +163,93 @@ LIB_OBJS = \
        object.o pack-check.o patch-delta.o path.o pkt-line.o \
        quote.o read-cache.o refs.o run-command.o \
        server-info.o setup.o sha1_file.o sha1_name.o strbuf.o \
-       tag.o tree.o usage.o $(DIFF_OBJS)
+       tag.o tree.o usage.o config.o environment.o ctype.o copy.o \
+       $(DIFF_OBJS)
 
 LIBS = $(LIB_FILE)
 LIBS += -lz
 
+# Shell quote;
+# Result of this needs to be placed inside ''
+shq = $(subst ','\'',$(1))
+# This has surrounding ''
+shellquote = '$(call shq,$(1))'
+
 #
 # Platform specific tweaks
 #
-ifeq ($(shell uname -s),Darwin)
+
+# We choose to avoid "if .. else if .. else .. endif endif"
+# because maintaining the nesting to match is a pain.  If
+# we had "elif" things would have been much nicer...
+uname_S := $(shell sh -c 'uname -s 2>/dev/null || echo not')
+uname_M := $(shell sh -c 'uname -m 2>/dev/null || echo not')
+uname_O := $(shell sh -c 'uname -o 2>/dev/null || echo not')
+
+ifeq ($(uname_S),Darwin)
        NEEDS_SSL_WITH_CRYPTO = YesPlease
        NEEDS_LIBICONV = YesPlease
+       ## fink
+       ALL_CFLAGS += -I/sw/include
+       ALL_LDFLAGS += -L/sw/lib
+       ## darwinports
+       ALL_CFLAGS += -I/opt/local/include
+       ALL_LDFLAGS += -L/opt/local/lib
 endif
-ifeq ($(shell uname -s),SunOS)
+ifeq ($(uname_S),SunOS)
        NEEDS_SOCKET = YesPlease
        NEEDS_NSL = YesPlease
+       NEEDS_LIBICONV = YesPlease
        SHELL_PATH = /bin/bash
        NO_STRCASESTR = YesPlease
-       CURLDIR = /opt/sfw
        INSTALL = ginstall
        TAR = gtar
-       PLATFORM_DEFINES += -D__EXTENSIONS__
+       ALL_CFLAGS += -D__EXTENSIONS__
 endif
-ifeq ($(shell uname -o),Cygwin)
+ifeq ($(uname_O),Cygwin)
        NO_STRCASESTR = YesPlease
        NEEDS_LIBICONV = YesPlease
+       # There are conflicting reports about this.
+       # On some boxes NO_MMAP is needed, and not so elsewhere.
+       # Try uncommenting this if you see things break -- YMMV.
+       # NO_MMAP = YesPlease
        NO_IPV6 = YesPlease
        X = .exe
+       ALL_CFLAGS += -DUSE_SYMLINK_HEAD=0
 endif
-ifneq (,$(findstring arm,$(shell uname -m)))
-       ARM_SHA1 = YesPlease
+ifeq ($(uname_S),OpenBSD)
+       NO_STRCASESTR = YesPlease
+       NEEDS_LIBICONV = YesPlease
+       ALL_CFLAGS += -I/usr/local/include
+       ALL_LDFLAGS += -L/usr/local/lib
 endif
-ifeq ($(shell uname -s),OpenBSD)
+ifeq ($(uname_S),NetBSD)
        NEEDS_LIBICONV = YesPlease
-       PLATFORM_DEFINES += -I/usr/local/include -L/usr/local/lib
+       ALL_CFLAGS += -I/usr/pkg/include
+       ALL_LDFLAGS += -L/usr/pkg/lib -Wl,-rpath,/usr/pkg/lib
 endif
+ifneq (,$(findstring arm,$(uname_M)))
+       ARM_SHA1 = YesPlease
+endif
+
+-include config.mak
 
 ifndef NO_CURL
        ifdef CURLDIR
-               # This is still problematic -- gcc does not want -R.
-               CFLAGS += -I$(CURLDIR)/include
+               # This is still problematic -- gcc does not always want -R.
+               ALL_CFLAGS += -I$(CURLDIR)/include
                CURL_LIBCURL = -L$(CURLDIR)/lib -R$(CURLDIR)/lib -lcurl
        else
                CURL_LIBCURL = -lcurl
        endif
        PROGRAMS += git-http-fetch$X
+       curl_check := $(shell (echo 070908; curl-config --vernum) | sort -r | sed -ne 2p)
+       ifeq "$(curl_check)" "070908"
+               ifndef NO_EXPAT
+                       EXPAT_LIBEXPAT = -lexpat
+                       PROGRAMS += git-http-push$X
+               endif
+       endif
 endif
 
 ifndef SHELL_PATH
@@ -218,13 +267,13 @@ ifndef NO_OPENSSL
        OPENSSL_LIBSSL = -lssl
        ifdef OPENSSLDIR
                # Again this may be problematic -- gcc does not always want -R.
-               CFLAGS += -I$(OPENSSLDIR)/include
+               ALL_CFLAGS += -I$(OPENSSLDIR)/include
                OPENSSL_LINK = -L$(OPENSSLDIR)/lib -R$(OPENSSLDIR)/lib
        else
                OPENSSL_LINK =
        endif
 else
-       DEFINES += '-DNO_OPENSSL'
+       ALL_CFLAGS += -DNO_OPENSSL
        MOZILLA_SHA1 = 1
        OPENSSL_LIBSSL =
 endif
@@ -236,7 +285,7 @@ endif
 ifdef NEEDS_LIBICONV
        ifdef ICONVDIR
                # Again this may be problematic -- gcc does not always want -R.
-               CFLAGS += -I$(ICONVDIR)/include
+               ALL_CFLAGS += -I$(ICONVDIR)/include
                ICONV_LINK = -L$(ICONVDIR)/lib -R$(ICONVDIR)/lib
        else
                ICONV_LINK =
@@ -254,11 +303,15 @@ ifdef NEEDS_NSL
        SIMPLE_LIB += -lnsl
 endif
 ifdef NO_STRCASESTR
-       DEFINES += -Dstrcasestr=gitstrcasestr
+       ALL_CFLAGS += -Dstrcasestr=gitstrcasestr -DNO_STRCASESTR=1
        LIB_OBJS += compat/strcasestr.o
 endif
+ifdef NO_MMAP
+       ALL_CFLAGS += -Dmmap=gitfakemmap -Dmunmap=gitfakemunmap -DNO_MMAP
+       LIB_OBJS += compat/mmap.o
+endif
 ifdef NO_IPV6
-       DEFINES += -DNO_IPV6 -Dsockaddr_storage=sockaddr_in
+       ALL_CFLAGS += -DNO_IPV6 -Dsockaddr_storage=sockaddr_in
 endif
 
 ifdef PPC_SHA1
@@ -279,61 +332,67 @@ endif
 endif
 endif
 
-DEFINES += '-DSHA1_HEADER=$(SHA1_HEADER)'
+ALL_CFLAGS += -DSHA1_HEADER=$(call shellquote,$(SHA1_HEADER))
 
 SCRIPTS = $(patsubst %.sh,%,$(SCRIPT_SH)) \
          $(patsubst %.perl,%,$(SCRIPT_PERL)) \
          $(patsubst %.py,%,$(SCRIPT_PYTHON)) \
-         gitk
+         gitk git-cherry-pick
 
-export TAR INSTALL DESTDIR SHELL_PATH
+export prefix TAR INSTALL DESTDIR SHELL_PATH template_dir
 ### Build rules
 
-all: $(PROGRAMS) $(SCRIPTS)
+all: $(PROGRAMS) $(SCRIPTS) git
 
 all:
        $(MAKE) -C templates
 
-git: git.sh Makefile
-       rm -f $@+ $@
-       sed -e '1s|#!.*/sh|#!$(SHELL_PATH)|' \
-           -e 's/@@GIT_VERSION@@/$(GIT_VERSION)/g' \
-           -e 's/@@X@@/$(X)/g' \
-           $(GIT_LIST_TWEAK) <$@.sh >$@+
-       chmod +x $@+
-       mv $@+ $@
+# Only use $(CFLAGS). We don't need anything else.
+git: git.c Makefile
+       $(CC) -DGIT_EXEC_PATH='"$(bindir)"' -DGIT_VERSION='"$(GIT_VERSION)"' \
+               $(CFLAGS) $@.c -o $@
 
 $(filter-out git,$(patsubst %.sh,%,$(SCRIPT_SH))) : % : %.sh
        rm -f $@
-       sed -e '1s|#!.*/sh|#!$(SHELL_PATH)|' $@.sh >$@
+       sed -e '1s|#!.*/sh|#!$(call shq,$(SHELL_PATH))|' \
+           -e 's/@@GIT_VERSION@@/$(GIT_VERSION)/g' \
+           $@.sh >$@
        chmod +x $@
 
 $(patsubst %.perl,%,$(SCRIPT_PERL)) : % : %.perl
        rm -f $@
-       sed -e '1s|#!.*perl|#!$(PERL_PATH)|' $@.perl >$@
+       sed -e '1s|#!.*perl|#!$(call shq,$(PERL_PATH))|' \
+           -e 's/@@GIT_VERSION@@/$(GIT_VERSION)/g' \
+           $@.perl >$@
        chmod +x $@
 
 $(patsubst %.py,%,$(SCRIPT_PYTHON)) : % : %.py
        rm -f $@
-       sed -e '1s|#!.*python|#!$(PYTHON_PATH)|' \
-           -e 's|@@GIT_PYTHON_PATH@@|$(GIT_PYTHON_DIR)|g' \
-               $@.py >$@
+       sed -e '1s|#!.*python|#!$(call shq,$(PYTHON_PATH))|' \
+           -e 's|@@GIT_PYTHON_PATH@@|$(call shq,$(GIT_PYTHON_DIR))|g' \
+           -e 's/@@GIT_VERSION@@/$(GIT_VERSION)/g' \
+           $@.py >$@
        chmod +x $@
 
+git-cherry-pick: git-revert
+       cp $< $@
+
 %.o: %.c
        $(CC) -o $*.o -c $(ALL_CFLAGS) $<
 %.o: %.S
        $(CC) -o $*.o -c $(ALL_CFLAGS) $<
 
 git-%$X: %.o $(LIB_FILE)
-       $(CC) $(ALL_CFLAGS) -o $@ $(filter %.o,$^) $(LIBS)
+       $(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) $(LIBS)
 
 git-mailinfo$X : SIMPLE_LIB += $(LIB_4_ICONV)
 $(SIMPLE_PROGRAMS) : $(LIB_FILE)
 $(SIMPLE_PROGRAMS) : git-%$X : %.o
-       $(CC) $(ALL_CFLAGS) -o $@ $(filter %.o,$^) $(LIB_FILE) $(SIMPLE_LIB)
+       $(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \
+               $(LIB_FILE) $(SIMPLE_LIB)
 
-git-http-fetch$X: fetch.o
+git-http-fetch$X: fetch.o http.o
+git-http-push$X: http.o
 git-local-fetch$X: fetch.o
 git-ssh-fetch$X: rsh.o fetch.o
 git-ssh-upload$X: rsh.o
@@ -341,11 +400,12 @@ git-ssh-pull$X: rsh.o fetch.o
 git-ssh-push$X: rsh.o
 
 git-http-fetch$X: LIBS += $(CURL_LIBCURL)
+git-http-push$X: LIBS += $(CURL_LIBCURL) $(EXPAT_LIBEXPAT)
 git-rev-list$X: LIBS += $(OPENSSL_LIBSSL)
 
 init-db.o: init-db.c
        $(CC) -c $(ALL_CFLAGS) \
-               -DDEFAULT_GIT_TEMPLATE_DIR='"$(template_dir)"' $*.c
+               -DDEFAULT_GIT_TEMPLATE_DIR=$(call shellquote,"$(template_dir)") $*.c
 
 $(LIB_OBJS): $(LIB_H)
 $(patsubst git-%$X,%.o,$(PROGRAMS)): $(LIB_H)
@@ -363,11 +423,11 @@ doc:
 test: all
        $(MAKE) -C t/ all
 
-test-date$X: test-date.c date.o
-       $(CC) $(ALL_CFLAGS) -o $@ test-date.c date.o
+test-date$X: test-date.c date.o ctype.o
+       $(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) test-date.c date.o ctype.o
 
 test-delta$X: test-delta.c diff-delta.o patch-delta.o
-       $(CC) $(ALL_CFLAGS) -o $@ $^
+       $(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $^
 
 check:
        for i in *.c; do sparse $(ALL_CFLAGS) $(SPARSE_FLAGS) $$i; done
@@ -376,14 +436,12 @@ check:
 
 ### Installation rules
 
-install: $(PROGRAMS) $(SCRIPTS)
-       $(INSTALL) -d -m755 $(DESTDIR)$(bindir)
-       $(INSTALL) $(PROGRAMS) $(SCRIPTS) $(DESTDIR)$(bindir)
-       $(INSTALL) git-revert $(DESTDIR)$(bindir)/git-cherry-pick
-       sh ./cmd-rename.sh $(DESTDIR)$(bindir)
+install: $(PROGRAMS) $(SCRIPTS) git
+       $(INSTALL) -d -m755 $(call shellquote,$(DESTDIR)$(bindir))
+       $(INSTALL) git $(PROGRAMS) $(SCRIPTS) $(call shellquote,$(DESTDIR)$(bindir))
        $(MAKE) -C templates install
-       $(INSTALL) -d -m755 $(DESTDIR)$(GIT_PYTHON_DIR)
-       $(INSTALL) $(PYMODULES) $(DESTDIR)$(GIT_PYTHON_DIR)
+       $(INSTALL) -d -m755 $(call shellquote,$(DESTDIR)$(GIT_PYTHON_DIR))
+       $(INSTALL) $(PYMODULES) $(call shellquote,$(DESTDIR)$(GIT_PYTHON_DIR))
 
 install-doc:
        $(MAKE) -C Documentation install
@@ -393,20 +451,20 @@ install-doc:
 
 ### Maintainer's dist rules
 
-git-core.spec: git-core.spec.in Makefile
+git.spec: git.spec.in Makefile
        sed -e 's/@@VERSION@@/$(GIT_VERSION)/g' < $< > $@
 
-GIT_TARNAME=git-core-$(GIT_VERSION)
-dist: git-core.spec git-tar-tree
+GIT_TARNAME=git-$(GIT_VERSION)
+dist: git.spec git-tar-tree
        ./git-tar-tree HEAD $(GIT_TARNAME) > $(GIT_TARNAME).tar
        @mkdir -p $(GIT_TARNAME)
-       @cp git-core.spec $(GIT_TARNAME)
-       $(TAR) rf $(GIT_TARNAME).tar $(GIT_TARNAME)/git-core.spec
+       @cp git.spec $(GIT_TARNAME)
+       $(TAR) rf $(GIT_TARNAME).tar $(GIT_TARNAME)/git.spec
        @rm -rf $(GIT_TARNAME)
        gzip -f -9 $(GIT_TARNAME).tar
 
 rpm: dist
-       $(RPMBUILD) -ta git-core-$(GIT_VERSION).tar.gz
+       $(RPMBUILD) -ta $(GIT_TARNAME).tar.gz
 
 deb: dist
        rm -rf $(GIT_TARNAME)
@@ -417,13 +475,13 @@ deb: dist
 ### Cleaning rules
 
 clean:
-       rm -f *.o mozilla-sha1/*.o ppc/*.o compat/*.o $(PROGRAMS) $(LIB_FILE)
+       rm -f *.o mozilla-sha1/*.o arm/*.o ppc/*.o compat/*.o git $(PROGRAMS) $(LIB_FILE)
        rm -f $(filter-out gitk,$(SCRIPTS))
-       rm -f git-core.spec *.pyc *.pyo
+       rm -f *.spec *.pyc *.pyo
        rm -rf $(GIT_TARNAME)
        rm -f $(GIT_TARNAME).tar.gz git-core_$(GIT_VERSION)-*.tar.gz
-       rm -f git-core_$(GIT_VERSION)-*.deb git-core_$(GIT_VERSION)-*.dsc
-       rm -f git-tk_$(GIT_VERSION)-*.deb
+       rm -f git-core_$(GIT_VERSION)-*.dsc
+       rm -f git-*_$(GIT_VERSION)-*.deb
        $(MAKE) -C Documentation/ clean
        $(MAKE) -C templates clean
        $(MAKE) -C t/ clean