Introduce usagef() that takes a printf-style format
[gitweb.git] / Makefile
index a23e27013999ce900913456ff980af2103c7974f..c0ba479d216503a3718c5d4b39784b996d074a8f 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -3,6 +3,11 @@ all::
 
 # Define V=1 to have a more verbose compile.
 #
+# Define SHELL_PATH to a POSIX shell if your /bin/sh is broken.
+#
+# Define SANE_TOOL_PATH to a colon-separated list of paths to prepend
+# to PATH if your tools in /usr/bin are broken.
+#
 # Define SNPRINTF_RETURNS_BOGUS if your are on a system which snprintf()
 # or vsnprintf() return -1 instead of number of characters which would
 # have been written to the final string if enough space had been available.
@@ -11,7 +16,7 @@ all::
 # when attempting to read from an fopen'ed directory.
 #
 # Define NO_OPENSSL environment variable if you do not have OpenSSL.
-# This also implies MOZILLA_SHA1.
+# This also implies BLK_SHA1.
 #
 # Define NO_CURL if you do not have libcurl installed.  git-http-pull and
 # git-http-push are not built, and you cannot use http:// and https://
@@ -52,6 +57,12 @@ all::
 #
 # Define NO_MKDTEMP if you don't have mkdtemp in the C library.
 #
+# Define NO_MKSTEMPS if you don't have mkstemps in the C library.
+#
+# Define NO_LIBGEN_H if you don't have libgen.h.
+#
+# Define NEEDS_LIBGEN if your libgen needs -lgen when linking
+#
 # Define NO_SYS_SELECT_H if you don't have sys/select.h.
 #
 # Define NO_SYMLINK_HEAD if you never want .git/HEAD to be a symbolic link.
@@ -73,24 +84,26 @@ all::
 # specify your own (or DarwinPort's) include directories and
 # library directories by defining CFLAGS and LDFLAGS appropriately.
 #
+# Define BLK_SHA1 environment variable if you want the C version
+# of the SHA1 that assumes you can do unaligned 32-bit loads and
+# have a fast htonl() function.
+#
 # Define PPC_SHA1 environment variable when running make to make use of
 # a bundled SHA1 routine optimized for PowerPC.
 #
-# Define ARM_SHA1 environment variable when running make to make use of
-# a bundled SHA1 routine optimized for ARM.
+# Define NEEDS_CRYPTO_WITH_SSL if you need -lcrypto when using -lssl (Darwin).
 #
-# Define MOZILLA_SHA1 environment variable when running make to make use of
-# a bundled SHA1 routine coming from Mozilla. It is GPL'd and should be fast
-# on non-x86 architectures (e.g. PowerPC), while the OpenSSL version (default
-# choice) has very fast version optimized for i586.
-#
-# Define NEEDS_SSL_WITH_CRYPTO if you need -lcrypto with -lssl (Darwin).
+# Define NEEDS_SSL_WITH_CRYPTO if you need -lssl when using -lcrypto (Darwin).
 #
 # Define NEEDS_LIBICONV if linking with libc is not enough (Darwin).
 #
 # Define NEEDS_SOCKET if linking with libc is not enough (SunOS,
 # Patrick Mauritz).
 #
+# Define NEEDS_RESOLV if linking with -lnsl and/or -lsocket is not enough.
+# Notably on Solaris hstrerror resides in libresolv and on Solaris 7
+# inet_ntop and inet_pton additionally reside there.
+#
 # Define NO_MMAP if you want to avoid mmap.
 #
 # Define NO_PTHREADS if you do not have or do not want to use Pthreads.
@@ -126,6 +139,12 @@ all::
 # randomly break unless your underlying filesystem supports those sub-second
 # times (my ext3 doesn't).
 #
+# Define USE_ST_TIMESPEC if your "struct stat" uses "st_ctimespec" instead of
+# "st_ctim"
+#
+# Define NO_NSEC if your "struct stat" does not have "st_ctim.tv_nsec"
+# available.  This automatically turns USE_NSEC off.
+#
 # Define USE_STDEV below if you want git to care about the underlying device
 # change being considered an inode change from the update-index perspective.
 #
@@ -134,11 +153,21 @@ all::
 #
 # Define ASCIIDOC8 if you want to format documentation with AsciiDoc 8
 #
-# Define DOCBOOK_XSL_172 if you want to format man pages with DocBook XSL v1.72.
+# Define DOCBOOK_XSL_172 if you want to format man pages with DocBook XSL v1.72
+# (not v1.73 or v1.71).
+#
+# Define ASCIIDOC_NO_ROFF if your DocBook XSL escapes raw roff directives
+# (versions 1.72 and later and 1.68.1 and earlier).
+#
+# Define GNU_ROFF if your target system uses GNU groff.  This forces
+# apostrophes to be ASCII so that cut&pasting examples to the shell
+# will work.
 #
 # Define NO_PERL_MAKEMAKER if you cannot use Makefiles generated by perl's
 # MakeMaker (e.g. using ActiveState under Cygwin).
 #
+# Define NO_PERL if you do not want Perl scripts or libraries at all.
+#
 # Define NO_TCLTK if you do not want Tcl/Tk GUI.
 #
 # The TCL_PATH variable governs the location of the Tcl interpreter
@@ -159,6 +188,22 @@ all::
 # Define NO_EXTERNAL_GREP if you don't want "git grep" to ever call
 # your external grep (e.g., if your system lacks grep, if its grep is
 # broken, or spawning external process is slower than built-in grep git has).
+#
+# Define UNRELIABLE_FSTAT if your system's fstat does not return the same
+# information on a not yet closed file that lstat would return for the same
+# file after it was closed.
+#
+# Define OBJECT_CREATION_USES_RENAMES if your operating systems has problems
+# when hardlinking a file to another name and unlinking the original file right
+# away (some NTFS drivers seem to zero the contents in that scenario).
+#
+# Define NO_CROSS_DIRECTORY_HARDLINKS if you plan to distribute the installed
+# programs as a tar, where bin/ and libexec/ might be on different file systems.
+#
+# Define USE_NED_ALLOCATOR if you want to replace the platforms default
+# memory allocators with the nedmalloc allocator written by Niall Douglas.
+#
+# Define NO_REGEX if you have no or inferior regex support in your C library.
 
 GIT-VERSION-FILE: .FORCE-GIT-VERSION-FILE
        @$(SHELL_PATH) ./GIT-VERSION-GEN
@@ -209,6 +254,7 @@ ETC_GITCONFIG = etc/gitconfig
 endif
 lib = lib
 # DESTDIR=
+pathsep = :
 
 # default configuration for gitweb
 GITWEB_CONFIG = gitweb_config.perl
@@ -257,14 +303,28 @@ SPARSE_FLAGS = -D__BIG_ENDIAN__ -D__powerpc__
 BASIC_CFLAGS =
 BASIC_LDFLAGS =
 
+# Guard against environment variables
+BUILTIN_OBJS =
+BUILT_INS =
+COMPAT_CFLAGS =
+COMPAT_OBJS =
+LIB_H =
+LIB_OBJS =
+PROGRAMS =
+SCRIPT_PERL =
+SCRIPT_SH =
+TEST_PROGRAMS =
+
 SCRIPT_SH += git-am.sh
 SCRIPT_SH += git-bisect.sh
+SCRIPT_SH += git-difftool--helper.sh
 SCRIPT_SH += git-filter-branch.sh
 SCRIPT_SH += git-lost-found.sh
 SCRIPT_SH += git-merge-octopus.sh
 SCRIPT_SH += git-merge-one-file.sh
 SCRIPT_SH += git-merge-resolve.sh
 SCRIPT_SH += git-mergetool.sh
+SCRIPT_SH += git-mergetool--lib.sh
 SCRIPT_SH += git-parse-remote.sh
 SCRIPT_SH += git-pull.sh
 SCRIPT_SH += git-quiltimport.sh
@@ -278,6 +338,7 @@ SCRIPT_SH += git-submodule.sh
 SCRIPT_SH += git-web--browse.sh
 
 SCRIPT_PERL += git-add--interactive.perl
+SCRIPT_PERL += git-difftool.perl
 SCRIPT_PERL += git-archimport.perl
 SCRIPT_PERL += git-cvsexportcommit.perl
 SCRIPT_PERL += git-cvsimport.perl
@@ -301,13 +362,11 @@ PROGRAMS += git-index-pack$X
 PROGRAMS += git-merge-index$X
 PROGRAMS += git-merge-tree$X
 PROGRAMS += git-mktag$X
-PROGRAMS += git-mktree$X
 PROGRAMS += git-pack-redundant$X
 PROGRAMS += git-patch-id$X
 PROGRAMS += git-shell$X
 PROGRAMS += git-show-index$X
 PROGRAMS += git-unpack-file$X
-PROGRAMS += git-update-server-info$X
 PROGRAMS += git-upload-pack$X
 PROGRAMS += git-var$X
 
@@ -329,11 +388,12 @@ BUILT_INS += git-stage$X
 BUILT_INS += git-status$X
 BUILT_INS += git-whatchanged$X
 
-# what 'all' will build and 'install' will install, in gitexecdir
+# what 'all' will build and 'install' will install in gitexecdir,
+# excluding programs for built-in commands
 ALL_PROGRAMS = $(PROGRAMS) $(SCRIPTS)
 
 # what 'all' will build but not install in gitexecdir
-OTHER_PROGRAMS = git$X gitweb/gitweb.cgi
+OTHER_PROGRAMS = git$X
 
 # Set paths to tools early so that they can be used for version tests.
 ifndef SHELL_PATH
@@ -348,6 +408,7 @@ export PERL_PATH
 LIB_FILE=libgit.a
 XDIFF_LIB=xdiff/lib.a
 
+LIB_H += advice.h
 LIB_H += archive.h
 LIB_H += attr.h
 LIB_H += blob.h
@@ -355,6 +416,7 @@ LIB_H += builtin.h
 LIB_H += cache.h
 LIB_H += cache-tree.h
 LIB_H += commit.h
+LIB_H += compat/bswap.h
 LIB_H += compat/cygwin.h
 LIB_H += compat/mingw.h
 LIB_H += csum-file.h
@@ -395,6 +457,7 @@ LIB_H += sideband.h
 LIB_H += sigchain.h
 LIB_H += strbuf.h
 LIB_H += string-list.h
+LIB_H += submodule.h
 LIB_H += tag.h
 LIB_H += transport.h
 LIB_H += tree.h
@@ -405,6 +468,7 @@ LIB_H += utf8.h
 LIB_H += wt-status.h
 
 LIB_OBJS += abspath.o
+LIB_OBJS += advice.o
 LIB_OBJS += alias.o
 LIB_OBJS += alloc.o
 LIB_OBJS += archive.o
@@ -412,6 +476,7 @@ LIB_OBJS += archive-tar.o
 LIB_OBJS += archive-zip.o
 LIB_OBJS += attr.o
 LIB_OBJS += base85.o
+LIB_OBJS += bisect.o
 LIB_OBJS += blob.o
 LIB_OBJS += branch.o
 LIB_OBJS += bundle.o
@@ -477,6 +542,7 @@ LIB_OBJS += read-cache.o
 LIB_OBJS += reflog-walk.o
 LIB_OBJS += refs.o
 LIB_OBJS += remote.o
+LIB_OBJS += replace_object.o
 LIB_OBJS += rerere.o
 LIB_OBJS += revision.o
 LIB_OBJS += run-command.o
@@ -490,10 +556,12 @@ LIB_OBJS += sideband.o
 LIB_OBJS += sigchain.o
 LIB_OBJS += strbuf.o
 LIB_OBJS += string-list.o
+LIB_OBJS += submodule.o
 LIB_OBJS += symlinks.o
 LIB_OBJS += tag.o
 LIB_OBJS += trace.o
 LIB_OBJS += transport.o
+LIB_OBJS += transport-helper.o
 LIB_OBJS += tree-diff.o
 LIB_OBJS += tree.o
 LIB_OBJS += tree-walk.o
@@ -512,6 +580,7 @@ BUILTIN_OBJS += builtin-add.o
 BUILTIN_OBJS += builtin-annotate.o
 BUILTIN_OBJS += builtin-apply.o
 BUILTIN_OBJS += builtin-archive.o
+BUILTIN_OBJS += builtin-bisect--helper.o
 BUILTIN_OBJS += builtin-blame.o
 BUILTIN_OBJS += builtin-branch.o
 BUILTIN_OBJS += builtin-bundle.o
@@ -532,7 +601,6 @@ BUILTIN_OBJS += builtin-diff-index.o
 BUILTIN_OBJS += builtin-diff-tree.o
 BUILTIN_OBJS += builtin-diff.o
 BUILTIN_OBJS += builtin-fast-export.o
-BUILTIN_OBJS += builtin-fetch--tool.o
 BUILTIN_OBJS += builtin-fetch-pack.o
 BUILTIN_OBJS += builtin-fetch.o
 BUILTIN_OBJS += builtin-fmt-merge-msg.o
@@ -553,6 +621,7 @@ BUILTIN_OBJS += builtin-merge-base.o
 BUILTIN_OBJS += builtin-merge-file.o
 BUILTIN_OBJS += builtin-merge-ours.o
 BUILTIN_OBJS += builtin-merge-recursive.o
+BUILTIN_OBJS += builtin-mktree.o
 BUILTIN_OBJS += builtin-mv.o
 BUILTIN_OBJS += builtin-name-rev.o
 BUILTIN_OBJS += builtin-pack-objects.o
@@ -564,6 +633,7 @@ BUILTIN_OBJS += builtin-read-tree.o
 BUILTIN_OBJS += builtin-receive-pack.o
 BUILTIN_OBJS += builtin-reflog.o
 BUILTIN_OBJS += builtin-remote.o
+BUILTIN_OBJS += builtin-replace.o
 BUILTIN_OBJS += builtin-rerere.o
 BUILTIN_OBJS += builtin-reset.o
 BUILTIN_OBJS += builtin-rev-list.o
@@ -581,6 +651,7 @@ BUILTIN_OBJS += builtin-tar-tree.o
 BUILTIN_OBJS += builtin-unpack-objects.o
 BUILTIN_OBJS += builtin-update-index.o
 BUILTIN_OBJS += builtin-update-ref.o
+BUILTIN_OBJS += builtin-update-server-info.o
 BUILTIN_OBJS += builtin-upload-archive.o
 BUILTIN_OBJS += builtin-verify-pack.o
 BUILTIN_OBJS += builtin-verify-tag.o
@@ -599,10 +670,12 @@ EXTLIBS =
 
 ifeq ($(uname_S),Linux)
        NO_STRLCPY = YesPlease
+       NO_MKSTEMPS = YesPlease
        THREADED_DELTA_SEARCH = YesPlease
 endif
 ifeq ($(uname_S),GNU/kFreeBSD)
        NO_STRLCPY = YesPlease
+       NO_MKSTEMPS = YesPlease
        THREADED_DELTA_SEARCH = YesPlease
 endif
 ifeq ($(uname_S),UnixWare)
@@ -614,6 +687,7 @@ ifeq ($(uname_S),UnixWare)
        SHELL_PATH = /usr/local/bin/bash
        NO_IPV6 = YesPlease
        NO_HSTRERROR = YesPlease
+       NO_MKSTEMPS = YesPlease
        BASIC_CFLAGS += -Kthread
        BASIC_CFLAGS += -I/usr/local/include
        BASIC_LDFLAGS += -L/usr/local/lib
@@ -637,6 +711,7 @@ ifeq ($(uname_S),SCO_SV)
        SHELL_PATH = /usr/bin/bash
        NO_IPV6 = YesPlease
        NO_HSTRERROR = YesPlease
+       NO_MKSTEMPS = YesPlease
        BASIC_CFLAGS += -I/usr/local/include
        BASIC_LDFLAGS += -L/usr/local/lib
        NO_STRCASESTR = YesPlease
@@ -645,6 +720,7 @@ ifeq ($(uname_S),SCO_SV)
        TAR = gtar
 endif
 ifeq ($(uname_S),Darwin)
+       NEEDS_CRYPTO_WITH_SSL = YesPlease
        NEEDS_SSL_WITH_CRYPTO = YesPlease
        NEEDS_LIBICONV = YesPlease
        ifeq ($(shell expr "$(uname_R)" : '[15678]\.'),2)
@@ -655,16 +731,30 @@ ifeq ($(uname_S),Darwin)
        endif
        NO_MEMMEM = YesPlease
        THREADED_DELTA_SEARCH = YesPlease
+       USE_ST_TIMESPEC = YesPlease
 endif
 ifeq ($(uname_S),SunOS)
        NEEDS_SOCKET = YesPlease
        NEEDS_NSL = YesPlease
        SHELL_PATH = /bin/bash
+       SANE_TOOL_PATH = /usr/xpg6/bin:/usr/xpg4/bin
        NO_STRCASESTR = YesPlease
        NO_MEMMEM = YesPlease
-       NO_HSTRERROR = YesPlease
        NO_MKDTEMP = YesPlease
-       OLD_ICONV = UnfortunatelyYes
+       NO_MKSTEMPS = YesPlease
+       NO_REGEX = YesPlease
+       NO_EXTERNAL_GREP = YesPlease
+       THREADED_DELTA_SEARCH = YesPlease
+       ifeq ($(uname_R),5.7)
+               NEEDS_RESOLV = YesPlease
+               NO_IPV6 = YesPlease
+               NO_SOCKADDR_STORAGE = YesPlease
+               NO_UNSETENV = YesPlease
+               NO_SETENV = YesPlease
+               NO_STRLCPY = YesPlease
+               NO_C99_FORMAT = YesPlease
+               NO_STRTOUMAX = YesPlease
+       endif
        ifeq ($(uname_R),5.8)
                NO_UNSETENV = YesPlease
                NO_SETENV = YesPlease
@@ -677,15 +767,16 @@ ifeq ($(uname_S),SunOS)
                NO_C99_FORMAT = YesPlease
                NO_STRTOUMAX = YesPlease
        endif
-       INSTALL = ginstall
+       INSTALL = /usr/ucb/install
        TAR = gtar
-       BASIC_CFLAGS += -D__EXTENSIONS__
+       BASIC_CFLAGS += -D__EXTENSIONS__ -D__sun__ -DHAVE_ALLOCA_H
 endif
 ifeq ($(uname_O),Cygwin)
        NO_D_TYPE_IN_DIRENT = YesPlease
        NO_D_INO_IN_DIRENT = YesPlease
        NO_STRCASESTR = YesPlease
        NO_MEMMEM = YesPlease
+       NO_MKSTEMPS = YesPlease
        NO_SYMLINK_HEAD = YesPlease
        NEEDS_LIBICONV = YesPlease
        NO_FAST_WORKING_DIRECTORY = UnfortunatelyYes
@@ -704,6 +795,7 @@ ifeq ($(uname_S),FreeBSD)
        BASIC_CFLAGS += -I/usr/local/include
        BASIC_LDFLAGS += -L/usr/local/lib
        DIR_HAS_BSD_GROUP_SEMANTICS = YesPlease
+       USE_ST_TIMESPEC = YesPlease
        THREADED_DELTA_SEARCH = YesPlease
        ifeq ($(shell expr "$(uname_R)" : '4\.'),2)
                PTHREAD_LIBS = -pthread
@@ -714,6 +806,7 @@ endif
 ifeq ($(uname_S),OpenBSD)
        NO_STRCASESTR = YesPlease
        NO_MEMMEM = YesPlease
+       USE_ST_TIMESPEC = YesPlease
        NEEDS_LIBICONV = YesPlease
        BASIC_CFLAGS += -I/usr/local/include
        BASIC_LDFLAGS += -L/usr/local/lib
@@ -726,12 +819,16 @@ ifeq ($(uname_S),NetBSD)
        BASIC_CFLAGS += -I/usr/pkg/include
        BASIC_LDFLAGS += -L/usr/pkg/lib $(CC_LD_DYNPATH)/usr/pkg/lib
        THREADED_DELTA_SEARCH = YesPlease
+       USE_ST_TIMESPEC = YesPlease
+       NO_MKSTEMPS = YesPlease
 endif
 ifeq ($(uname_S),AIX)
        NO_STRCASESTR=YesPlease
        NO_MEMMEM = YesPlease
        NO_MKDTEMP = YesPlease
+       NO_MKSTEMPS = YesPlease
        NO_STRLCPY = YesPlease
+       NO_NSEC = YesPlease
        FREAD_READS_DIRECTORIES = UnfortunatelyYes
        INTERNAL_QSORT = UnfortunatelyYes
        NEEDS_LIBICONV=YesPlease
@@ -745,24 +842,54 @@ endif
 ifeq ($(uname_S),GNU)
        # GNU/Hurd
        NO_STRLCPY=YesPlease
+       NO_MKSTEMPS = YesPlease
+endif
+ifeq ($(uname_S),IRIX)
+       NO_SETENV = YesPlease
+       NO_UNSETENV = YesPlease
+       NO_STRCASESTR = YesPlease
+       NO_MEMMEM = YesPlease
+       NO_MKSTEMPS = YesPlease
+       NO_MKDTEMP = YesPlease
+       # When compiled with the MIPSpro 7.4.4m compiler, and without pthreads
+       # (i.e. NO_PTHREADS is set), and _with_ MMAP (i.e. NO_MMAP is not set),
+       # git dies with a segmentation fault when trying to access the first
+       # entry of a reflog.  The conservative choice is made to always set
+       # NO_MMAP.  If you suspect that your compiler is not affected by this
+       # issue, comment out the NO_MMAP statement.
+       NO_MMAP = YesPlease
+       NO_EXTERNAL_GREP = UnfortunatelyYes
+       SNPRINTF_RETURNS_BOGUS = YesPlease
+       SHELL_PATH = /usr/gnu/bin/bash
+       NEEDS_LIBGEN = YesPlease
+       THREADED_DELTA_SEARCH = YesPlease
 endif
 ifeq ($(uname_S),IRIX64)
-       NO_IPV6=YesPlease
        NO_SETENV=YesPlease
+       NO_UNSETENV = YesPlease
        NO_STRCASESTR=YesPlease
        NO_MEMMEM = YesPlease
-       NO_STRLCPY = YesPlease
-       NO_SOCKADDR_STORAGE=YesPlease
+       NO_MKSTEMPS = YesPlease
+       NO_MKDTEMP = YesPlease
+       # When compiled with the MIPSpro 7.4.4m compiler, and without pthreads
+       # (i.e. NO_PTHREADS is set), and _with_ MMAP (i.e. NO_MMAP is not set),
+       # git dies with a segmentation fault when trying to access the first
+       # entry of a reflog.  The conservative choice is made to always set
+       # NO_MMAP.  If you suspect that your compiler is not affected by this
+       # issue, comment out the NO_MMAP statement.
+       NO_MMAP = YesPlease
+       NO_EXTERNAL_GREP = UnfortunatelyYes
+       SNPRINTF_RETURNS_BOGUS = YesPlease
        SHELL_PATH=/usr/gnu/bin/bash
-       BASIC_CFLAGS += -DPATH_MAX=1024
-       # for now, build 32-bit version
-       BASIC_LDFLAGS += -L/usr/lib32
+       NEEDS_LIBGEN = YesPlease
+       THREADED_DELTA_SEARCH = YesPlease
 endif
 ifeq ($(uname_S),HP-UX)
        NO_IPV6=YesPlease
        NO_SETENV=YesPlease
        NO_STRCASESTR=YesPlease
        NO_MEMMEM = YesPlease
+       NO_MKSTEMPS = YesPlease
        NO_STRLCPY = YesPlease
        NO_MKDTEMP = YesPlease
        NO_UNSETENV = YesPlease
@@ -772,12 +899,14 @@ ifeq ($(uname_S),HP-UX)
 endif
 ifneq (,$(findstring CYGWIN,$(uname_S)))
        COMPAT_OBJS += compat/cygwin.o
+       UNRELIABLE_FSTAT = UnfortunatelyYes
 endif
-ifneq (,$(findstring MINGW,$(uname_S)))
-       NO_MMAP = YesPlease
+ifdef MSVC
+       GIT_VERSION := $(GIT_VERSION).MSVC
+       pathsep = ;
        NO_PREAD = YesPlease
        NO_OPENSSL = YesPlease
-       NO_CURL = YesPlease
+       NO_LIBGEN_H = YesPlease
        NO_SYMLINK_HEAD = YesPlease
        NO_IPV6 = YesPlease
        NO_SETENV = YesPlease
@@ -785,32 +914,107 @@ ifneq (,$(findstring MINGW,$(uname_S)))
        NO_STRCASESTR = YesPlease
        NO_STRLCPY = YesPlease
        NO_MEMMEM = YesPlease
+       # NEEDS_LIBICONV = YesPlease
+       NO_ICONV = YesPlease
+       NO_C99_FORMAT = YesPlease
+       NO_STRTOUMAX = YesPlease
+       NO_STRTOULL = YesPlease
+       NO_MKDTEMP = YesPlease
+       NO_MKSTEMPS = YesPlease
+       SNPRINTF_RETURNS_BOGUS = YesPlease
+       NO_SVN_TESTS = YesPlease
+       NO_PERL_MAKEMAKER = YesPlease
+       RUNTIME_PREFIX = YesPlease
+       NO_POSIX_ONLY_PROGRAMS = YesPlease
+       NO_ST_BLOCKS_IN_STRUCT_STAT = YesPlease
+       NO_NSEC = YesPlease
+       USE_WIN32_MMAP = YesPlease
+       # USE_NED_ALLOCATOR = YesPlease
+       UNRELIABLE_FSTAT = UnfortunatelyYes
+       OBJECT_CREATION_USES_RENAMES = UnfortunatelyNeedsTo
+       NO_REGEX = YesPlease
+       NO_CURL = YesPlease
        NO_PTHREADS = YesPlease
+
+       CC = compat/vcbuild/scripts/clink.pl
+       AR = compat/vcbuild/scripts/lib.pl
+       CFLAGS =
+       BASIC_CFLAGS = -nologo -I. -I../zlib -Icompat/vcbuild -Icompat/vcbuild/include -DWIN32 -D_CONSOLE -DHAVE_STRING_H -D_CRT_SECURE_NO_WARNINGS -D_CRT_NONSTDC_NO_DEPRECATE
+       COMPAT_OBJS = compat/msvc.o compat/fnmatch/fnmatch.o compat/winansi.o
+       COMPAT_CFLAGS = -D__USE_MINGW_ACCESS -DNOGDI -DHAVE_STRING_H -DHAVE_ALLOCA_H -Icompat -Icompat/fnmatch -Icompat/regex -Icompat/fnmatch -DSTRIP_EXTENSION=\".exe\"
+       BASIC_LDFLAGS = -IGNORE:4217 -IGNORE:4049 -NOLOGO -SUBSYSTEM:CONSOLE -NODEFAULTLIB:MSVCRT.lib
+       EXTLIBS = advapi32.lib shell32.lib wininet.lib ws2_32.lib
+       lib =
+ifndef DEBUG
+       BASIC_CFLAGS += -GL -Os -MT
+       BASIC_LDFLAGS += -LTCG
+       AR += -LTCG
+else
+       BASIC_CFLAGS += -Zi -MTd
+endif
+       X = .exe
+else
+ifneq (,$(findstring MINGW,$(uname_S)))
+       pathsep = ;
+       NO_PREAD = YesPlease
+       NO_OPENSSL = YesPlease
+       NO_LIBGEN_H = YesPlease
+       NO_SYMLINK_HEAD = YesPlease
+       NO_IPV6 = YesPlease
+       NO_SETENV = YesPlease
+       NO_UNSETENV = YesPlease
+       NO_STRCASESTR = YesPlease
+       NO_STRLCPY = YesPlease
+       NO_MEMMEM = YesPlease
        NEEDS_LIBICONV = YesPlease
        OLD_ICONV = YesPlease
        NO_C99_FORMAT = YesPlease
        NO_STRTOUMAX = YesPlease
        NO_MKDTEMP = YesPlease
+       NO_MKSTEMPS = YesPlease
        SNPRINTF_RETURNS_BOGUS = YesPlease
        NO_SVN_TESTS = YesPlease
        NO_PERL_MAKEMAKER = YesPlease
        RUNTIME_PREFIX = YesPlease
        NO_POSIX_ONLY_PROGRAMS = YesPlease
        NO_ST_BLOCKS_IN_STRUCT_STAT = YesPlease
-       COMPAT_CFLAGS += -D__USE_MINGW_ACCESS -DNOGDI -Icompat -Icompat/regex -Icompat/fnmatch
-       COMPAT_CFLAGS += -DSNPRINTF_SIZE_CORR=1
+       NO_NSEC = YesPlease
+       USE_WIN32_MMAP = YesPlease
+       USE_NED_ALLOCATOR = YesPlease
+       UNRELIABLE_FSTAT = UnfortunatelyYes
+       OBJECT_CREATION_USES_RENAMES = UnfortunatelyNeedsTo
+       NO_REGEX = YesPlease
+       COMPAT_CFLAGS += -D__USE_MINGW_ACCESS -DNOGDI -Icompat -Icompat/fnmatch
        COMPAT_CFLAGS += -DSTRIP_EXTENSION=\".exe\"
-       COMPAT_OBJS += compat/mingw.o compat/fnmatch/fnmatch.o compat/regex/regex.o compat/winansi.o
+       COMPAT_OBJS += compat/mingw.o compat/fnmatch/fnmatch.o compat/winansi.o
        EXTLIBS += -lws2_32
        X = .exe
+ifneq (,$(wildcard ../THIS_IS_MSYSGIT))
+       htmldir=doc/git/html/
+       prefix =
+       INSTALL = /bin/install
+       EXTLIBS += /mingw/lib/libz.a
+       NO_R_TO_GCC_LINKER = YesPlease
+       INTERNAL_QSORT = YesPlease
+       THREADED_DELTA_SEARCH = YesPlease
+else
+       NO_CURL = YesPlease
+       NO_PTHREADS = YesPlease
+endif
 endif
-ifneq (,$(findstring arm,$(uname_M)))
-       ARM_SHA1 = YesPlease
 endif
 
 -include config.mak.autogen
 -include config.mak
 
+ifdef SANE_TOOL_PATH
+SANE_TOOL_PATH_SQ = $(subst ','\'',$(SANE_TOOL_PATH))
+BROKEN_PATH_FIX = 's|^\# @@BROKEN_PATH_FIX@@$$|git_broken_path_fix $(SANE_TOOL_PATH_SQ)|'
+PATH := $(SANE_TOOL_PATH):${PATH}
+else
+BROKEN_PATH_FIX = '/^\# @@BROKEN_PATH_FIX@@$$/d'
+endif
+
 ifeq ($(uname_S),Darwin)
        ifndef NO_FINK
                ifeq ($(shell test -d /sw/lib && echo y),y)
@@ -837,6 +1041,11 @@ ifndef CC_LD_DYNPATH
        endif
 endif
 
+ifdef NO_LIBGEN_H
+       COMPAT_CFLAGS += -DNO_LIBGEN_H
+       COMPAT_OBJS += compat/basename.o
+endif
+
 ifdef NO_CURL
        BASIC_CFLAGS += -DNO_CURL
 else
@@ -847,9 +1056,7 @@ else
        else
                CURL_LIBCURL = -lcurl
        endif
-       BUILTIN_OBJS += builtin-http-fetch.o
-       EXTLIBS += $(CURL_LIBCURL)
-       LIB_OBJS += http.o http-walker.o
+       PROGRAMS += git-remote-curl$X git-http-fetch$X
        curl_check := $(shell (echo 070908; curl-config --vernum) | sort -r | sed -ne 2p)
        ifeq "$(curl_check)" "070908"
                ifndef NO_EXPAT
@@ -884,9 +1091,12 @@ ifndef NO_OPENSSL
        else
                OPENSSL_LINK =
        endif
+       ifdef NEEDS_CRYPTO_WITH_SSL
+               OPENSSL_LINK += -lcrypto
+       endif
 else
        BASIC_CFLAGS += -DNO_OPENSSL
-       MOZILLA_SHA1 = 1
+       BLK_SHA1 = 1
        OPENSSL_LIBSSL =
 endif
 ifdef NEEDS_SSL_WITH_CRYPTO
@@ -903,12 +1113,18 @@ ifdef NEEDS_LIBICONV
        endif
        EXTLIBS += $(ICONV_LINK) -liconv
 endif
+ifdef NEEDS_LIBGEN
+       EXTLIBS += -lgen
+endif
 ifdef NEEDS_SOCKET
        EXTLIBS += -lsocket
 endif
 ifdef NEEDS_NSL
        EXTLIBS += -lnsl
 endif
+ifdef NEEDS_RESOLV
+       EXTLIBS += -lresolv
+endif
 ifdef NO_D_TYPE_IN_DIRENT
        BASIC_CFLAGS += -DNO_D_TYPE_IN_DIRENT
 endif
@@ -918,6 +1134,15 @@ endif
 ifdef NO_ST_BLOCKS_IN_STRUCT_STAT
        BASIC_CFLAGS += -DNO_ST_BLOCKS_IN_STRUCT_STAT
 endif
+ifdef USE_NSEC
+       BASIC_CFLAGS += -DUSE_NSEC
+endif
+ifdef USE_ST_TIMESPEC
+       BASIC_CFLAGS += -DUSE_ST_TIMESPEC
+endif
+ifdef NO_NSEC
+       BASIC_CFLAGS += -DNO_NSEC
+endif
 ifdef NO_C99_FORMAT
        BASIC_CFLAGS += -DNO_C99_FORMAT
 endif
@@ -955,6 +1180,10 @@ ifdef NO_MKDTEMP
        COMPAT_CFLAGS += -DNO_MKDTEMP
        COMPAT_OBJS += compat/mkdtemp.o
 endif
+ifdef NO_MKSTEMPS
+       COMPAT_CFLAGS += -DNO_MKSTEMPS
+       COMPAT_OBJS += compat/mkstemps.o
+endif
 ifdef NO_UNSETENV
        COMPAT_CFLAGS += -DNO_UNSETENV
        COMPAT_OBJS += compat/unsetenv.o
@@ -965,6 +1194,14 @@ endif
 ifdef NO_MMAP
        COMPAT_CFLAGS += -DNO_MMAP
        COMPAT_OBJS += compat/mmap.o
+else
+       ifdef USE_WIN32_MMAP
+               COMPAT_CFLAGS += -DUSE_WIN32_MMAP
+               COMPAT_OBJS += compat/win32mmap.o
+       endif
+endif
+ifdef OBJECT_CREATION_USES_RENAMES
+       COMPAT_CFLAGS += -DOBJECT_CREATION_MODE=1
 endif
 ifdef NO_PREAD
        COMPAT_CFLAGS += -DNO_PREAD
@@ -1008,23 +1245,18 @@ ifdef NO_DEFLATE_BOUND
        BASIC_CFLAGS += -DNO_DEFLATE_BOUND
 endif
 
+ifdef BLK_SHA1
+       SHA1_HEADER = "block-sha1/sha1.h"
+       LIB_OBJS += block-sha1/sha1.o
+else
 ifdef PPC_SHA1
        SHA1_HEADER = "ppc/sha1.h"
        LIB_OBJS += ppc/sha1.o ppc/sha1ppc.o
-else
-ifdef ARM_SHA1
-       SHA1_HEADER = "arm/sha1.h"
-       LIB_OBJS += arm/sha1.o arm/sha1_arm.o
-else
-ifdef MOZILLA_SHA1
-       SHA1_HEADER = "mozilla-sha1/sha1.h"
-       LIB_OBJS += mozilla-sha1/sha1.o
 else
        SHA1_HEADER = <openssl/sha.h>
        EXTLIBS += $(LIB_4_CRYPTO)
 endif
 endif
-endif
 ifdef NO_PERL_MAKEMAKER
        export NO_PERL_MAKEMAKER
 endif
@@ -1061,11 +1293,27 @@ endif
 ifdef NO_EXTERNAL_GREP
        BASIC_CFLAGS += -DNO_EXTERNAL_GREP
 endif
+ifdef UNRELIABLE_FSTAT
+       BASIC_CFLAGS += -DUNRELIABLE_FSTAT
+endif
+ifdef NO_REGEX
+       COMPAT_CFLAGS += -Icompat/regex
+       COMPAT_OBJS += compat/regex/regex.o
+endif
+
+ifdef USE_NED_ALLOCATOR
+       COMPAT_CFLAGS += -DUSE_NED_ALLOCATOR -DOVERRIDE_STRDUP -DNDEBUG -DREPLACE_SYSTEM_ALLOCATOR -Icompat/nedmalloc
+       COMPAT_OBJS += compat/nedmalloc/nedmalloc.o
+endif
 
 ifeq ($(TCLTK_PATH),)
 NO_TCLTK=NoThanks
 endif
 
+ifeq ($(PERL_PATH),)
+NO_PERL=NoThanks
+endif
+
 QUIET_SUBDIR0  = +$(MAKE) -C # space to separate -C and subdir
 QUIET_SUBDIR1  =
 
@@ -1082,6 +1330,7 @@ ifndef V
        QUIET_LINK     = @echo '   ' LINK $@;
        QUIET_BUILT_IN = @echo '   ' BUILTIN $@;
        QUIET_GEN      = @echo '   ' GEN $@;
+       QUIET_LNCP     = @echo '   ' LN/CP $@;
        QUIET_SUBDIR0  = +@subdir=
        QUIET_SUBDIR1  = ;$(NO_SUBDIR) echo '   ' SUBDIR $$subdir; \
                         $(MAKE) $(PRINT_DIR) -C $$subdir
@@ -1132,7 +1381,7 @@ SHELL = $(SHELL_PATH)
 
 all:: shell_compatibility_test $(ALL_PROGRAMS) $(BUILT_INS) $(OTHER_PROGRAMS) GIT-BUILD-OPTIONS
 ifneq (,$X)
-       $(foreach p,$(patsubst %$X,%,$(filter %$X,$(ALL_PROGRAMS) $(BUILT_INS) git$X)), test '$p' -ef '$p$X' || $(RM) '$p';)
+       $(QUIET_BUILT_IN)$(foreach p,$(patsubst %$X,%,$(filter %$X,$(ALL_PROGRAMS) $(BUILT_INS) git$X)), test -d '$p' -o '$p' -ef '$p$X' || $(RM) '$p';)
 endif
 
 all::
@@ -1140,7 +1389,9 @@ ifndef NO_TCLTK
        $(QUIET_SUBDIR0)git-gui $(QUIET_SUBDIR1) gitexecdir='$(gitexec_instdir_SQ)' all
        $(QUIET_SUBDIR0)gitk-git $(QUIET_SUBDIR1) all
 endif
+ifndef NO_PERL
        $(QUIET_SUBDIR0)perl $(QUIET_SUBDIR1) PERL_PATH='$(PERL_PATH_SQ)' prefix='$(prefix_SQ)' all
+endif
        $(QUIET_SUBDIR0)templates $(QUIET_SUBDIR1)
 
 please_set_SHELL_PATH_to_a_more_modern_shell:
@@ -1153,7 +1404,8 @@ strip: $(PROGRAMS) git$X
 
 git.o: git.c common-cmds.h GIT-CFLAGS
        $(QUIET_CC)$(CC) -DGIT_VERSION='"$(GIT_VERSION)"' \
-               $(ALL_CFLAGS) -c $(filter %.c,$^)
+               '-DGIT_HTML_PATH="$(htmldir_SQ)"' \
+               $(ALL_CFLAGS) -o $@ -c $(filter %.c,$^)
 
 git$X: git.o $(BUILTIN_OBJS) $(GITLIBS)
        $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ git.o \
@@ -1180,13 +1432,14 @@ $(patsubst %.sh,%,$(SCRIPT_SH)) : % : %.sh
        $(QUIET_GEN)$(RM) $@ $@+ && \
        sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \
            -e 's|@SHELL_PATH@|$(SHELL_PATH_SQ)|' \
-           -e 's|@@PERL@@|$(PERL_PATH_SQ)|g' \
            -e 's/@@GIT_VERSION@@/$(GIT_VERSION)/g' \
            -e 's/@@NO_CURL@@/$(NO_CURL)/g' \
+           -e $(BROKEN_PATH_FIX) \
            $@.sh >$@+ && \
        chmod +x $@+ && \
        mv $@+ $@
 
+ifndef NO_PERL
 $(patsubst %.perl,%,$(SCRIPT_PERL)): perl/perl.mak
 
 perl/perl.mak: GIT-CFLAGS perl/Makefile perl/Makefile.PL
@@ -1198,7 +1451,7 @@ $(patsubst %.perl,%,$(SCRIPT_PERL)): % : %.perl
        sed -e '1{' \
            -e '        s|#!.*perl|#!$(PERL_PATH_SQ)|' \
            -e '        h' \
-           -e '        s=.*=use lib (split(/:/, $$ENV{GITPERLLIB} || "@@INSTLIBDIR@@"));=' \
+           -e '        s=.*=use lib (split(/$(pathsep)/, $$ENV{GITPERLLIB} || "@@INSTLIBDIR@@"));=' \
            -e '        H' \
            -e '        x' \
            -e '}' \
@@ -1208,6 +1461,7 @@ $(patsubst %.perl,%,$(SCRIPT_PERL)): % : %.perl
        chmod +x $@+ && \
        mv $@+ $@
 
+OTHER_PROGRAMS += gitweb/gitweb.cgi
 gitweb/gitweb.cgi: gitweb/gitweb.perl
        $(QUIET_GEN)$(RM) $@ $@+ && \
        sed -e '1s|#!.*perl|#!$(PERL_PATH_SQ)|' \
@@ -1246,6 +1500,15 @@ git-instaweb: git-instaweb.sh gitweb/gitweb.cgi gitweb/gitweb.css
            $@.sh > $@+ && \
        chmod +x $@+ && \
        mv $@+ $@
+else # NO_PERL
+$(patsubst %.perl,%,$(SCRIPT_PERL)) git-instaweb: % : unimplemented.sh
+       $(QUIET_GEN)$(RM) $@ $@+ && \
+       sed -e '1s|#!.*/sh|#!$(SHELL_PATH_SQ)|' \
+           -e 's|@@REASON@@|NO_PERL=$(NO_PERL)|g' \
+           unimplemented.sh >$@+ && \
+       chmod +x $@+ && \
+       mv $@+ $@
+endif # NO_PERL
 
 configure: configure.ac
        $(QUIET_GEN)$(RM) $@ $<+ && \
@@ -1295,14 +1558,23 @@ git-imap-send$X: imap-send.o $(GITLIBS)
        $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \
                $(LIBS) $(OPENSSL_LINK) $(OPENSSL_LIBSSL)
 
-http.o http-walker.o http-push.o transport.o: http.h
+http.o http-walker.o http-push.o: http.h
+
+http.o http-walker.o: $(LIB_H)
 
+git-http-fetch$X: revision.o http.o http-walker.o http-fetch.o $(GITLIBS)
+       $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \
+               $(LIBS) $(CURL_LIBCURL)
 git-http-push$X: revision.o http.o http-push.o $(GITLIBS)
        $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \
                $(LIBS) $(CURL_LIBCURL) $(EXPAT_LIBEXPAT)
 
+git-remote-curl$X: remote-curl.o http.o http-walker.o $(GITLIBS)
+       $(QUIET_LINK)$(CC) $(ALL_CFLAGS) -o $@ $(ALL_LDFLAGS) $(filter %.o,$^) \
+               $(LIBS) $(CURL_LIBCURL) $(EXPAT_LIBEXPAT)
+
 $(LIB_OBJS) $(BUILTIN_OBJS): $(LIB_H)
-$(patsubst git-%$X,%.o,$(PROGRAMS)): $(LIB_H) $(wildcard */*.h)
+$(patsubst git-%$X,%.o,$(PROGRAMS)) git.o: $(LIB_H) $(wildcard */*.h)
 builtin-revert.o wt-status.o: wt-status.h
 
 $(LIB_FILE): $(LIB_OBJS)
@@ -1361,6 +1633,8 @@ GIT-CFLAGS: .FORCE-GIT-CFLAGS
 GIT-BUILD-OPTIONS: .FORCE-GIT-BUILD-OPTIONS
        @echo SHELL_PATH=\''$(subst ','\'',$(SHELL_PATH_SQ))'\' >$@
        @echo TAR=\''$(subst ','\'',$(subst ','\'',$(TAR)))'\' >>$@
+       @echo NO_CURL=\''$(subst ','\'',$(subst ','\'',$(NO_CURL)))'\' >>$@
+       @echo NO_PERL=\''$(subst ','\'',$(subst ','\'',$(NO_PERL)))'\' >>$@
 
 ### Detect Tck/Tk interpreter path changes
 ifndef NO_TCLTK
@@ -1409,6 +1683,8 @@ test-delta$X: diff-delta.o patch-delta.o
 
 test-parse-options$X: parse-options.o
 
+test-parse-options.o: parse-options.h
+
 .PRECIOUS: $(patsubst test-%$X,test-%.o,$(TEST_PROGRAMS))
 
 test-%$X: test-%.o $(GITLIBS)
@@ -1455,25 +1731,29 @@ install: all
        $(INSTALL) $(ALL_PROGRAMS) '$(DESTDIR_SQ)$(gitexec_instdir_SQ)'
        $(INSTALL) git$X git-upload-pack$X git-receive-pack$X git-upload-archive$X git-shell$X git-cvsserver '$(DESTDIR_SQ)$(bindir_SQ)'
        $(MAKE) -C templates DESTDIR='$(DESTDIR_SQ)' install
+ifndef NO_PERL
        $(MAKE) -C perl prefix='$(prefix_SQ)' DESTDIR='$(DESTDIR_SQ)' install
+endif
 ifndef NO_TCLTK
        $(MAKE) -C gitk-git install
        $(MAKE) -C git-gui gitexecdir='$(gitexec_instdir_SQ)' install
 endif
 ifneq (,$X)
-       $(foreach p,$(patsubst %$X,%,$(filter %$X,$(ALL_PROGRAMS) $(BUILT_INS) git$X)), $(RM) '$(DESTDIR_SQ)$(gitexec_instdir_SQ)/$p';)
+       $(foreach p,$(patsubst %$X,%,$(filter %$X,$(ALL_PROGRAMS) $(BUILT_INS) git$X)), test '$(DESTDIR_SQ)$(gitexec_instdir_SQ)/$p' -ef '$(DESTDIR_SQ)$(gitexec_instdir_SQ)/$p$X' || $(RM) '$(DESTDIR_SQ)$(gitexec_instdir_SQ)/$p';)
 endif
        bindir=$$(cd '$(DESTDIR_SQ)$(bindir_SQ)' && pwd) && \
        execdir=$$(cd '$(DESTDIR_SQ)$(gitexec_instdir_SQ)' && pwd) && \
-       { $(RM) "$$execdir/git-add$X" && \
-               ln "$$bindir/git$X" "$$execdir/git-add$X" 2>/dev/null || \
-               cp "$$bindir/git$X" "$$execdir/git-add$X"; } && \
-       { for p in $(filter-out git-add$X,$(BUILT_INS)); do \
+       { test "$$bindir/" = "$$execdir/" || \
+               { $(RM) "$$execdir/git$X" && \
+               test -z "$(NO_CROSS_DIRECTORY_HARDLINKS)" && \
+               ln "$$bindir/git$X" "$$execdir/git$X" 2>/dev/null || \
+               cp "$$bindir/git$X" "$$execdir/git$X"; } ; } && \
+       { for p in $(BUILT_INS); do \
                $(RM) "$$execdir/$$p" && \
-               ln "$$execdir/git-add$X" "$$execdir/$$p" 2>/dev/null || \
-               ln -s "git-add$X" "$$execdir/$$p" 2>/dev/null || \
-               cp "$$execdir/git-add$X" "$$execdir/$$p" || exit; \
-         done } && \
+               ln "$$execdir/git$X" "$$execdir/$$p" 2>/dev/null || \
+               ln -s "git$X" "$$execdir/$$p" 2>/dev/null || \
+               cp "$$execdir/git$X" "$$execdir/$$p" || exit; \
+         done; } && \
        ./check_bindir "z$$bindir" "z$$execdir" "$$bindir/git-add$X"
 
 install-doc:
@@ -1553,7 +1833,7 @@ distclean: clean
        $(RM) configure
 
 clean:
-       $(RM) *.o mozilla-sha1/*.o arm/*.o ppc/*.o compat/*.o xdiff/*.o \
+       $(RM) *.o block-sha1/*.o arm/*.o ppc/*.o compat/*.o compat/*/*.o xdiff/*.o \
                $(LIB_FILE) $(XDIFF_LIB)
        $(RM) $(ALL_PROGRAMS) $(BUILT_INS) git$X
        $(RM) $(TEST_PROGRAMS)
@@ -1563,9 +1843,11 @@ clean:
        $(RM) -r $(GIT_TARNAME) .doc-tmp-dir
        $(RM) $(GIT_TARNAME).tar.gz git-core_$(GIT_VERSION)-*.tar.gz
        $(RM) $(htmldocs).tar.gz $(manpages).tar.gz
-       $(RM) gitweb/gitweb.cgi
        $(MAKE) -C Documentation/ clean
+ifndef NO_PERL
+       $(RM) gitweb/gitweb.cgi
        $(MAKE) -C perl clean
+endif
        $(MAKE) -C templates/ clean
        $(MAKE) -C t/ clean
 ifndef NO_TCLTK
@@ -1638,3 +1920,27 @@ check-docs::
 check-builtins::
        ./check-builtins.sh
 
+### Test suite coverage testing
+#
+.PHONY: coverage coverage-clean coverage-build coverage-report
+
+coverage:
+       $(MAKE) coverage-build
+       $(MAKE) coverage-report
+
+coverage-clean:
+       rm -f *.gcda *.gcno
+
+COVERAGE_CFLAGS = $(CFLAGS) -O0 -ftest-coverage -fprofile-arcs
+COVERAGE_LDFLAGS = $(CFLAGS)  -O0 -lgcov
+
+coverage-build: coverage-clean
+       $(MAKE) CFLAGS="$(COVERAGE_CFLAGS)" LDFLAGS="$(COVERAGE_LDFLAGS)" all
+       $(MAKE) CFLAGS="$(COVERAGE_CFLAGS)" LDFLAGS="$(COVERAGE_LDFLAGS)" \
+               -j1 test
+
+coverage-report:
+       gcov -b *.c
+       grep '^function.*called 0 ' *.c.gcov \
+               | sed -e 's/\([^:]*\)\.gcov: *function \([^ ]*\) called.*/\1: \2/' \
+               | tee coverage-untested-functions