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#
The default target of this Makefile is...
all
::
#
Import tree-wide shared Makefile behavior and libraries
include
shared.mak
#
== Makefile defines ==
#
#
These defines change the behavior of the Makefile itself, but have
#
no impact on what it builds:
#
#
Define V=1 to have a more verbose compile.
#
#
== Portability and optional library defines ==
#
#
These defines indicate what Git can expect from the OS, what
#
libraries are available etc. Much of this is auto-detected in
#
config.mak.uname, or in configure.ac when using the optional "make
#
configure && ./configure" (see INSTALL).
#
#
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 SOCKLEN_T to a suitable type (such as 'size_t') if your
#
system headers do not define a socklen_t type.
#
#
Define INLINE to a suitable substitute (such as '__inline' or '') if git
#
fails to compile with errors about undefined inline functions or similar.
#
#
Define SNPRINTF_RETURNS_BOGUS if you 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.
#
#
Define FREAD_READS_DIRECTORIES if you are on a system which succeeds
#
when attempting to read from an fopen'ed directory (or even to fopen
#
it at all).
#
#
Define OPEN_RETURNS_EINTR if your open() system call may return EINTR
#
when a signal is received (as opposed to restarting).
#
#
Define NO_OPENSSL environment variable if you do not have OpenSSL.
#
#
Define HAVE_ALLOCA_H if you have working alloca(3) defined in that header.
#
#
Define HAVE_PATHS_H if you have paths.h and want to use the default PATH
#
it specifies.
#
#
Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks
#
d_type in struct dirent (Cygwin 1.5, fixed in Cygwin 1.7).
#
#
Define HAVE_STRINGS_H if you have strings.h and need it for strcasecmp.
#
#
Define NO_STRCASESTR if you don't have strcasestr.
#
#
Define NO_MEMMEM if you don't have memmem.
#
#
Define NO_GETPAGESIZE if you don't have getpagesize.
#
#
Define NO_STRLCPY if you don't have strlcpy.
#
#
Define NO_STRTOUMAX if you don't have both strtoimax and strtoumax in the
#
C library. If your compiler also does not support long long or does not have
#
strtoull, define NO_STRTOULL.
#
#
Define NO_SETENV if you don't have setenv in the C library.
#
#
Define NO_UNSETENV if you don't have unsetenv in the C library.
#
#
Define NO_MKDTEMP if you don't have mkdtemp in the C library.
#
#
Define MKDIR_WO_TRAILING_SLASH if your mkdir() can't deal with trailing slash.
#
#
Define NO_GECOS_IN_PWENT if you don't have pw_gecos in struct passwd
#
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.
#
Enable it on Windows. By default, symrefs are still used.
#
#
Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability
#
tests. These tests take up a significant amount of the total test time
#
but are not needed unless you plan to talk to SVN repos.
#
#
Define NO_FINK if you are building on Darwin/Mac OS X, have Fink
#
installed in /sw, but don't want GIT to link against any libraries
#
installed there. If defined you may specify your own (or Fink's)
#
include directories and library directories by defining CFLAGS
#
and LDFLAGS appropriately.
#
#
Define NO_DARWIN_PORTS if you are building on Darwin/Mac OS X,
#
have DarwinPorts (which is an old name for MacPorts) installed
#
in /opt/local, but don't want GIT to
#
link against any libraries installed there. If defined you may
#
specify your own (or DarwinPort's) include directories and
#
library directories by defining CFLAGS and LDFLAGS appropriately.
#
#
Define NO_HOMEBREW if you don't want to use gettext, libiconv and
#
msgfmt installed by Homebrew.
#
#
Define HOMEBREW_PREFIX if you have Homebrew installed in a non-default
#
location on macOS or on Linux and want to use it.
#
#
Define USE_HOMEBREW_LIBICONV to link against libiconv installed by
#
Homebrew, if present.
#
#
Define NO_APPLE_COMMON_CRYPTO if you are building on Darwin/Mac OS X
#
and do not want to use Apple's CommonCrypto library. This allows you
#
to provide your own OpenSSL library, for example from MacPorts.
#
#
Define NEEDS_CRYPTO_WITH_SSL if you need -lcrypto when using -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_LIBINTL_BEFORE_LIBICONV if you need libintl before libiconv.
#
#
Define NO_INTPTR_T if you don't have intptr_t or uintptr_t.
#
#
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 MMAP_PREVENTS_DELETE if a file that is currently mmapped cannot be
#
deleted or cannot be replaced using rename().
#
#
Define NO_POLL_H if you don't have poll.h.
#
#
Define NO_SYS_POLL_H if you don't have sys/poll.h.
#
#
Define NO_POLL if you do not have or don't want to use poll().
#
This also implies NO_POLL_H and NO_SYS_POLL_H.
#
#
Define NEEDS_SYS_PARAM_H if you need to include sys/param.h to compile,
#
*PLEASE* REPORT to git@vger.kernel.org if your platform needs this;
#
we want to know more about the issue.
#
#
Define NO_PTHREADS if you do not have or do not want to use Pthreads.
#
#
Define NO_PREAD if you have a problem with pread() system call (e.g.
#
cygwin1.dll before v1.5.22).
#
#
Define NO_SETITIMER if you don't have setitimer()
#
#
Define NO_STRUCT_ITIMERVAL if you don't have struct itimerval
#
This also implies NO_SETITIMER
#
#
Define NO_FAST_WORKING_DIRECTORY if accessing objects in pack files is
#
generally faster on your platform than accessing the working directory.
#
#
Define NO_TRUSTABLE_FILEMODE if your filesystem may claim to support
#
the executable mode bit, but doesn't really do so.
#
#
Define CSPRNG_METHOD to "arc4random" if your system has arc4random and
#
arc4random_buf, "libbsd" if your system has those functions from libbsd,
#
"getrandom" if your system has getrandom, "getentropy" if your system has
#
getentropy, "rtlgenrandom" for RtlGenRandom (Windows only), or "openssl" if
#
you'd want to use the OpenSSL CSPRNG. You may set multiple options with
#
spaces, in which case a suitable option will be chosen. If unset or set to
#
anything else, defaults to using "/dev/urandom".
#
#
Define NEEDS_MODE_TRANSLATION if your OS strays from the typical file type
#
bits in mode values (e.g. z/OS defines I_SFMT to 0xFF000000 as opposed to the
#
usual 0xF000).
#
#
Define NO_IPV6 if you lack IPv6 support and getaddrinfo().
#
#
Define NO_UNIX_SOCKETS if your system does not offer unix sockets.
#
#
Define NO_SOCKADDR_STORAGE if your platform does not have struct
#
sockaddr_storage.
#
#
Define NO_ICONV if your libc does not properly support iconv.
#
#
Define OLD_ICONV if your library has an old iconv(), where the second
#
(input buffer pointer) parameter is declared with type (const char **).
#
#
Define ICONV_OMITS_BOM if your iconv implementation does not write a
#
byte-order mark (BOM) when writing UTF-16 or UTF-32 and always writes in
#
big-endian format.
#
#
Define NO_DEFLATE_BOUND if your zlib does not have deflateBound. Define
#
ZLIB_NG if you want to use zlib-ng instead of zlib.
#
#
Define NO_NORETURN if using buggy versions of gcc 4.6+ and profile feedback,
#
as the compiler can crash (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49299)
#
#
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. On
#
Linux, kernel 2.6.11 or newer is required for reliable sub-second file times
#
on file systems with exactly 1 ns or 1 s resolution. If you intend to use Git
#
on other file systems (e.g. CEPH, CIFS, NTFS, UDF), don't enable USE_NSEC. See
#
Documentation/technical/racy-git.adoc for details.
#
#
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.
#
#
Define NO_ST_BLOCKS_IN_STRUCT_STAT if your platform does not have st_blocks
#
field that counts the on-disk footprint in 512-byte blocks.
#
#
Define USE_ASCIIDOCTOR to use Asciidoctor instead of AsciiDoc to build the
#
documentation.
#
#
Define ASCIIDOCTOR_EXTENSIONS_LAB to point to the location of the Asciidoctor
#
Extensions Lab if you have it available.
#
#
Define PERL_PATH to the path of your Perl binary (usually /usr/bin/perl).
#
#
Define NO_PERL if you do not want Perl scripts or libraries at all.
#
#
Define NO_PERL_CPAN_FALLBACKS if you do not want to install bundled
#
copies of CPAN modules that serve as a fallback in case the modules
#
are not available on the system. This option is intended for
#
distributions that want to use their packaged versions of Perl
#
modules, instead of the fallbacks shipped with Git.
#
#
Define NO_GITWEB if you do not want to build or install
#
'gitweb'. Note that defining NO_PERL currently has the same effect
#
on not installing gitweb, but not on whether it's built in the
#
gitweb/ directory.
#
#
Define PYTHON_PATH to the path of your Python binary (often /usr/bin/python
#
but /usr/bin/python2.7 or /usr/bin/python3 on some platforms).
#
#
Define NO_PYTHON if you do not want Python 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
#
used to optimize git-gui for your system. Only used if NO_TCLTK
#
is not set. Defaults to the bare 'tclsh'.
#
#
The TCLTK_PATH variable governs the location of the Tcl/Tk interpreter.
#
If not set it defaults to the bare 'wish'. If it is set to the empty
#
string then NO_TCLTK will be forced (this is used by configure script).
#
#
Define INTERNAL_QSORT to use Git's implementation of qsort(), which
#
is a simplified version of the merge sort used in glibc. This is
#
recommended if Git triggers O(n^2) behavior in your platform's qsort().
#
#
Define HAVE_ISO_QSORT_S if your platform provides a qsort_s() that's
#
compatible with the one described in C11 Annex K.
#
#
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 INSTALL_SYMLINKS if you prefer to have everything that can be
#
symlinked between bin/ and libexec/ to use relative symlinks between
#
the two. This option overrides NO_CROSS_DIRECTORY_HARDLINKS and
#
NO_INSTALL_HARDLINKS which will also use symlinking by indirection
#
within the same directory in some cases, INSTALL_SYMLINKS will
#
always symlink to the final target directly.
#
#
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 NO_INSTALL_HARDLINKS if you prefer to use either symbolic links or
#
copies to install built-in git commands e.g. git-cat-file.
#
#
Define SKIP_DASHED_BUILT_INS if you do not need the dashed versions of the
#
built-ins to be linked/copied at all.
#
#
Define OVERRIDE_STRDUP to override the libc version of strdup(3).
#
This is necessary when using a custom allocator in order to avoid
#
crashes due to allocation and free working on different 'heaps'.
#
#
Define NO_REGEX if your C library lacks regex support with REG_STARTEND
#
feature.
#
#
Define USE_ENHANCED_BASIC_REGULAR_EXPRESSIONS if your C library provides
#
the flag REG_ENHANCED and you'd like to use it to enable enhanced basic
#
regular expressions.
#
#
Define HAVE_DEV_TTY if your system can open /dev/tty to interact with the
#
user.
#
#
Define JSMIN to point to JavaScript minifier that functions as
#
a filter to have gitweb.js minified.
#
#
Define CSSMIN to point to a CSS minifier in order to generate a minified
#
version of gitweb.css
#
#
Define DEFAULT_PAGER to a sensible pager command (defaults to "less") if
#
you want to use something different. The value will be interpreted by the
#
shell at runtime when it is used.
#
#
Define DEFAULT_EDITOR to a sensible editor command (defaults to "vi") if you
#
want to use something different. The value will be interpreted by the shell
#
if necessary when it is used. Examples:
#
#
DEFAULT_EDITOR='~/bin/vi',
#
DEFAULT_EDITOR='$GIT_FALLBACK_EDITOR',
#
DEFAULT_EDITOR='"C:\Program Files\Vim\gvim.exe" --nofork'
#
#
Define COMPUTE_HEADER_DEPENDENCIES to "yes" if you want dependencies on
#
header files to be automatically computed, to avoid rebuilding objects when
#
an unrelated header file changes. Define it to "no" to use the hard-coded
#
dependency rules. The default is "auto", which means to use computed header
#
dependencies if your compiler is detected to support it.
#
#
Define NATIVE_CRLF if your platform uses CRLF for line endings.
#
#
Define GIT_USER_AGENT if you want to change how git identifies itself during
#
network interactions. The default is "git/$(GIT_VERSION)".
#
#
Define DEFAULT_HELP_FORMAT to "man", "info" or "html"
#
(defaults to "man") if you want to have a different default when
#
"git help" is called without a parameter specifying the format.
#
#
Define GIT_TEST_INDEX_VERSION to 2, 3 or 4 to run the test suite
#
with a different indexfile format version. If it isn't set the index
#
file format used is index-v[23].
#
#
Define GIT_TEST_UTF8_LOCALE to preferred utf-8 locale for testing.
#
If it isn't set, fallback to $LC_ALL, $LANG or use the first utf-8
#
locale returned by "locale -a".
#
#
Define TEST_CONTRIB_TOO to make "make test" run tests in contrib/
#
directories.
#
#
Define HAVE_CLOCK_GETTIME if your platform has clock_gettime.
#
#
Define HAVE_CLOCK_MONOTONIC if your platform has CLOCK_MONOTONIC.
#
#
Define HAVE_SYNC_FILE_RANGE if your platform has sync_file_range.
#
#
Define HAVE_BSD_SYSCTL if your platform has a BSD-compatible sysctl function.
#
#
Define HAVE_GETDELIM if your system has the getdelim() function.
#
#
Define FILENO_IS_A_MACRO if fileno() is a macro, not a real function.
#
#
Define NEED_ACCESS_ROOT_HANDLER if access() under root may success for X_OK
#
even if execution permission isn't granted for any user.
#
#
Define PAGER_ENV to a SP separated VAR=VAL pairs to define
#
default environment variables to be passed when a pager is spawned, e.g.
#
#
PAGER_ENV = LESS=FRX LV=-c
#
#
to say "export LESS=FRX (and LV=-c) if the environment variable
#
LESS (and LV) is not set, respectively".
#
#
Define TEST_SHELL_PATH if you want to use a shell besides SHELL_PATH for
#
running the test scripts (e.g., bash has better support for "set -x"
#
tracing).
#
#
When cross-compiling, define HOST_CPU as the canonical name of the CPU on
#
which the built Git will run (for instance "x86_64").
#
#
Define RUNTIME_PREFIX to configure Git to resolve its ancillary tooling and
#
support files relative to the location of the runtime binary, rather than
#
hard-coding them into the binary. Git installations built with RUNTIME_PREFIX
#
can be moved to arbitrary filesystem locations. RUNTIME_PREFIX also causes
#
Perl scripts to use a modified entry point header allowing them to resolve
#
support files at runtime.
#
#
When using RUNTIME_PREFIX, define HAVE_BSD_KERN_PROC_SYSCTL if your platform
#
supports the KERN_PROC BSD sysctl function.
#
#
When using RUNTIME_PREFIX, define PROCFS_EXECUTABLE_PATH if your platform
#
mounts a "procfs" filesystem capable of resolving the path of the current
#
executable. If defined, this must be the canonical path for the "procfs"
#
current executable path.
#
#
When using RUNTIME_PREFIX, define HAVE_NS_GET_EXECUTABLE_PATH if your platform
#
supports calling _NSGetExecutablePath to retrieve the path of the running
#
executable.
#
#
When using RUNTIME_PREFIX, define HAVE_ZOS_GET_EXECUTABLE_PATH if your platform
#
supports calling __getprogramdir and getprogname to retrieve the path of the
#
running executable.
#
#
When using RUNTIME_PREFIX, define HAVE_WPGMPTR if your platform offers
#
the global variable _wpgmptr containing the absolute path of the current
#
executable (this is the case on Windows).
#
#
INSTALL_STRIP can be set to "-s" to strip binaries during installation,
#
if your $(INSTALL) command supports the option.
#
#
Define GENERATE_COMPILATION_DATABASE to "yes" to generate JSON compilation
#
database entries during compilation if your compiler supports it, using the
#
`-MJ` flag. The JSON entries will be placed in the `compile_commands/`
#
directory, and the JSON compilation database 'compile_commands.json' will be
#
created at the root of the repository.
#
#
If your platform supports a built-in fsmonitor backend, set
#
FSMONITOR_DAEMON_BACKEND to the "<name>" of the corresponding
#
`compat/fsmonitor/fsm-listen-<name>.c` and
#
`compat/fsmonitor/fsm-health-<name>.c` files
#
that implement the `fsm_listen__*()` and `fsm_health__*()` routines.
#
#
If your platform has OS-specific ways to tell if a repo is incompatible with
#
fsmonitor (whether the hook or IPC daemon version), set FSMONITOR_OS_SETTINGS
#
to the "<name>" of the corresponding `compat/fsmonitor/fsm-settings-<name>.c`
#
and `compat/fsmonitor/fsm-ipc-<name>.c` files.
#
#
Define LINK_FUZZ_PROGRAMS if you want `make all` to also build the fuzz test
#
programs in oss-fuzz/.
#
#
Define INCLUDE_LIBGIT_RS if you want `make all` and `make test` to build and
#
test the Rust crates in contrib/libgit-sys and contrib/libgit-rs.
#
#
=== Optional library: libintl ===
#
#
Define NO_GETTEXT if you don't want Git output to be translated.
#
A translated Git requires GNU libintl or another gettext implementation,
#
plus libintl-perl at runtime.
#
#
Define USE_GETTEXT_SCHEME and set it to 'fallthrough', if you don't trust
#
the installed gettext translation of the shell scripts output.
#
#
Define HAVE_LIBCHARSET_H if you haven't set NO_GETTEXT and you can't
#
trust the langinfo.h's nl_langinfo(CODESET) function to return the
#
current character set. GNU and Solaris have a nl_langinfo(CODESET),
#
FreeBSD can use either, but MinGW and some others need to use
#
libcharset.h's locale_charset() instead.
#
#
Define CHARSET_LIB to the library you need to link with in order to
#
use locale_charset() function. On some platforms this needs to set to
#
-lcharset, on others to -liconv .
#
#
Define LIBC_CONTAINS_LIBINTL if your gettext implementation doesn't
#
need -lintl when linking.
#
#
Define NO_MSGFMT_EXTENDED_OPTIONS if your implementation of msgfmt
#
doesn't support GNU extensions like --check and --statistics
#
#
=== Optional library: libexpat ===
#
#
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 (dumb).
#
#
Define EXPATDIR=/foo/bar if your expat header and library files are in
#
/foo/bar/include and /foo/bar/lib directories.
#
#
Define EXPAT_NEEDS_XMLPARSE_H if you have an old version of expat (e.g.,
#
1.1 or 1.2) that provides xmlparse.h instead of expat.h.
#
=== Optional library: libcurl ===
#
#
Define NO_CURL if you do not have libcurl installed. git-http-fetch and
#
git-http-push are not built, and you cannot use http:// and https://
#
transports (neither smart nor dumb).
#
#
Define CURLDIR=/foo/bar if your curl header and library files are in
#
/foo/bar/include and /foo/bar/lib directories.
#
#
Define CURL_CONFIG to curl's configuration program that prints information
#
about the library (e.g., its version number). The default is 'curl-config'.
#
#
Define CURL_LDFLAGS to specify flags that you need to link when using libcurl,
#
if you do not want to rely on the libraries provided by CURL_CONFIG. The
#
default value is a result of `curl-config --libs`. An example value for
#
CURL_LDFLAGS is as follows:
#
#
CURL_LDFLAGS=-lcurl
#
#
=== Optional library: libpcre2 ===
#
#
Define USE_LIBPCRE if you have and want to use libpcre. Various
#
commands such as log and grep offer runtime options to use
#
Perl-compatible regular expressions instead of standard or extended
#
POSIX regular expressions.
#
#
Only libpcre version 2 is supported. USE_LIBPCRE2 is a synonym for
#
USE_LIBPCRE, support for the old USE_LIBPCRE1 has been removed.
#
#
Define LIBPCREDIR=/foo/bar if your PCRE header and library files are
#
in /foo/bar/include and /foo/bar/lib directories.
#
#
== Optional Rust support ==
#
#
Define NO_RUST if you want to disable features and subsystems written in Rust
#
from being compiled into Git. For now, Rust is still an optional feature of
#
the build process. With Git 3.0 though, Rust will always be enabled.
#
#
Building Rust code requires Cargo.
#
#
Define RUST_TARGETS if you want to cross-compile. If left unspecified, it uses
#
the default Rust target on the system.
#
#
On macOS, this supports specifying multiple targets, separated by a space.
#
This will produce a Universal static library using `lipo`.
#
#
Example: RUST_TARGETS="aarch64-apple-darwin x86_64-apple-darwin"
#
#
== SHA-1 and SHA-256 defines ==
#
#
=== SHA-1 backend ===
#
#
==== Security ====
#
#
Due to the SHAttered (https://shattered.io) attack vector on SHA-1
#
it's strongly recommended to use the sha1collisiondetection
#
counter-cryptanalysis library for SHA-1 hashing.
#
#
If you know that you can trust the repository contents, or where
#
potential SHA-1 attacks are otherwise mitigated the other backends
#
listed in "SHA-1 implementations" are faster than
#
sha1collisiondetection.
#
#
==== Default SHA-1 backend ====
#
#
If no *_SHA1 backend is picked, the first supported one listed in
#
"SHA-1 implementations" will be picked.
#
#
==== Options common to all SHA-1 implementations ====
#
#
Define SHA1_MAX_BLOCK_SIZE to limit the amount of data that will be hashed
#
in one call to the platform's SHA1_Update(). e.g. APPLE_COMMON_CRYPTO
#
wants 'SHA1_MAX_BLOCK_SIZE=1024L*1024L*1024L' defined.
#
#
==== SHA-1 implementations ====
#
#
Define OPENSSL_SHA1 to link to the SHA-1 routines from the OpenSSL
#
library.
#
#
Define BLK_SHA1 to make use of optimized C SHA-1 routines bundled
#
with git (in the block-sha1/ directory).
#
#
Define APPLE_COMMON_CRYPTO_SHA1 to use Apple's CommonCrypto for
#
SHA-1.
#
#
Define the same Makefile knobs as above, but suffixed with _UNSAFE to
#
use the corresponding implementations for unsafe SHA-1 hashing for
#
non-cryptographic purposes.
#
#
If don't enable any of the *_SHA1 settings in this section, Git will
#
default to its built-in sha1collisiondetection library, which is a
#
collision-detecting sha1 This is slower, but may detect attempted
#
collision attacks.
#
#
==== Options for the sha1collisiondetection library ====
#
#
Define DC_SHA1_EXTERNAL if you want to build / link
#
git with the external SHA1 collision-detect library.
#
Without this option, i.e. the default behavior is to build git with its
#
own built-in code (or submodule).
#
#
Define DC_SHA1_SUBMODULE to use the
#
sha1collisiondetection shipped as a submodule instead of the
#
non-submodule copy in sha1dc/. This is an experimental option used
#
by the git project to migrate to using sha1collisiondetection as a
#
submodule.
#
#
=== SHA-256 backend ===
#
#
==== Security ====
#
#
Unlike SHA-1 the SHA-256 algorithm does not suffer from any known
#
vulnerabilities, so any implementation will do.
#
#
==== SHA-256 implementations ====
#
#
Define OPENSSL_SHA256 to use the SHA-256 routines in OpenSSL.
#
#
Define NETTLE_SHA256 to use the SHA-256 routines in libnettle.
#
#
Define GCRYPT_SHA256 to use the SHA-256 routines in libgcrypt.
#
#
If don't enable any of the *_SHA256 settings in this section, Git
#
will default to its built-in sha256 implementation.
#
#
== DEVELOPER defines ==
#
#
Define DEVELOPER to enable more compiler warnings. Compiler version
#
and family are auto detected, but could be overridden by defining
#
COMPILER_FEATURES (see config.mak.dev). You can still set
#
CFLAGS="..." in combination with DEVELOPER enables, whether that's
#
for tweaking something unrelated (e.g. optimization level), or for
#
selectively overriding something DEVELOPER or one of the DEVOPTS
#
(see just below) brings in.
#
#
When DEVELOPER is set, DEVOPTS can be used to control compiler
#
options. This variable contains keywords separated by
#
whitespace. The following keywords are recognized:
#
#
no-error:
#
#
suppresses the -Werror that implicitly comes with
#
DEVELOPER=1. Useful for getting the full set of errors
#
without immediately dying, or for logging them.
#
#
extra-all:
#
#
The DEVELOPER mode enables -Wextra with a few exceptions. By
#
setting this flag the exceptions are removed, and all of
#
-Wextra is used.
#
#
no-pedantic:
#
#
Disable -pedantic compilation.
#
Set our default configuration.
#
#
Among the variables below, these:
#
gitexecdir
#
template_dir
#
sysconfdir
#
can be specified as a relative path some/where/else;
#
this is interpreted as relative to $(prefix) and "git" built with
#
RUNTIME_PREFIX flag will figure out (at runtime) where they are
#
based on the path to the executable.
#
Additionally, the following will be treated as relative by "git" if they
#
begin with "$(prefix)/":
#
mandir
#
infodir
#
htmldir
#
localedir
#
perllibdir
#
This can help installing the suite in a relocatable way.
prefix
=
$(
HOME
)
bindir
=
$(
prefix
)
/bin
mandir
=
$(
prefix
)
/share/man
infodir
=
$(
prefix
)
/share/info
bash_completion_dir
=
$(
prefix
)
/share/bash-completion/completions
gitexecdir
= libexec/git-core
mergetoolsdir
=
$(
gitexecdir
)
/mergetools
sharedir
=
$(
prefix
)
/share
gitwebdir
=
$(
sharedir
)
/gitweb
gitwebstaticdir
=
$(
gitwebdir
)
/static
perllibdir
=
$(
sharedir
)
/perl5
localedir
=
$(
sharedir
)
/locale
template_dir
= share/git-core/templates
htmldir
=
$(
prefix
)
/share/doc/git-doc
ETC_GITCONFIG
=
$(
sysconfdir
)
/gitconfig
ETC_GITATTRIBUTES
=
$(
sysconfdir
)
/gitattributes
lib
= lib
#
DESTDIR =
pathsep
= :
bindir_relative
=
$(
patsubst
$(
prefix
)
/
%
,
%
,
$(
bindir
)
)
mandir_relative
=
$(
patsubst
$(
prefix
)
/
%
,
%
,
$(
mandir
)
)
infodir_relative
=
$(
patsubst
$(
prefix
)
/
%
,
%
,
$(
infodir
)
)
gitexecdir_relative
=
$(
patsubst
$(
prefix
)
/
%
,
%
,
$(
gitexecdir
)
)
localedir_relative
=
$(
patsubst
$(
prefix
)
/
%
,
%
,
$(
localedir
)
)
htmldir_relative
=
$(
patsubst
$(
prefix
)
/
%
,
%
,
$(
htmldir
)
)
perllibdir_relative
=
$(
patsubst
$(
prefix
)
/
%
,
%
,
$(
perllibdir
)
)
export
prefix
bindir
sharedir
sysconfdir
perllibdir
localedir
#
Set our default programs
CC
= cc
AR
= ar
RM
= rm -f
DIFF
= diff
TAR
= tar
FIND
= find
INSTALL
= install
TCL_PATH
= tclsh
TCLTK_PATH
= wish
XGETTEXT
= xgettext
MSGCAT
= msgcat
MSGFMT
= msgfmt
MSGMERGE
= msgmerge
CURL_CONFIG
= curl-config
GCOV
= gcov
STRIP
= strip
SPATCH
= spatch
LD
= ld
OBJCOPY
= objcopy
export
TCL_PATH
TCLTK_PATH
#
Set our default LIBS variables
PTHREAD_LIBS
= -lpthread
#
Guard against environment variables
BUILTIN_OBJS
=
BUILT_INS
=
COMPAT_CFLAGS
=
COMPAT_OBJS
=
XDIFF_OBJS
=
GENERATED_H
=
EXTRA_CPPFLAGS
=
FUZZ_OBJS
=
FUZZ_PROGRAMS
=
GIT_OBJS
=
LIB_OBJS
=
LIBGIT_PUB_OBJS
=
SCALAR_OBJS
=
OBJECTS
=
OTHER_PROGRAMS
=
PROGRAM_OBJS
=
PROGRAMS
=
RUST_SOURCES
=
EXCLUDED_PROGRAMS
=
SCRIPT_PERL
=
SCRIPT_PYTHON
=
SCRIPT_SH
=
SCRIPT_LIB
=
TEST_BUILTINS_OBJS
=
TEST_OBJS
=
TEST_PROGRAMS_NEED_X
=
THIRD_PARTY_SOURCES
=
UNIT_TEST_PROGRAMS
=
UNIT_TEST_DIR
= t/unit-tests
UNIT_TEST_BIN
=
$(
UNIT_TEST_DIR
)
/bin
#
Having this variable in your environment would break pipelines because
#
you cause "cd" to echo its destination to stdout. It can also take
#
scripts to unexpected places. If you like CDPATH, define it for your
#
interactive shell sessions without exporting it.
unexport
CDPATH
SCRIPT_SH
+= git-difftool--helper.sh
SCRIPT_SH
+= git-filter-branch.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-quiltimport.sh
SCRIPT_SH
+= git-request-pull.sh
SCRIPT_SH
+= git-submodule.sh
SCRIPT_SH
+= git-web--browse.sh
SCRIPT_LIB
+= git-mergetool--lib
SCRIPT_LIB
+= git-sh-i18n
SCRIPT_LIB
+= git-sh-setup
SCRIPT_PERL
+= git-archimport.perl
SCRIPT_PERL
+= git-cvsexportcommit.perl
SCRIPT_PERL
+= git-cvsimport.perl
SCRIPT_PERL
+= git-cvsserver.perl
SCRIPT_PERL
+= git-send-email.perl
SCRIPT_PERL
+= git-svn.perl
SCRIPT_PYTHON
+= git-p4.py
#
Generated files for scripts
SCRIPT_SH_GEN
=
$(
patsubst
%
.sh,
%
,
$(
SCRIPT_SH
)
)
SCRIPT_PERL_GEN
=
$(
patsubst
%
.perl,
%
,
$(
SCRIPT_PERL
)
)
SCRIPT_PYTHON_GEN
=
$(
patsubst
%
.py,
%
,
$(
SCRIPT_PYTHON
)
)
#
Individual rules to allow e.g.
#
"make -C ../.. SCRIPT_PERL=contrib/foo/bar.perl build-perl-script"
#
from subdirectories like contrib/*/
.PHONY
: build-perl-script build-sh-script build-python-script
build-perl-script
:
$(
SCRIPT_PERL_GEN
)
build-sh-script
:
$(
SCRIPT_SH_GEN
)
build-python-script
:
$(
SCRIPT_PYTHON_GEN
)
.PHONY
: install-perl-script install-sh-script install-python-script
install-sh-script
:
$(
SCRIPT_SH_GEN
)
$(
INSTALL
)
$^
'
$(DESTDIR_SQ)$(gitexec_instdir_SQ)
'
install-perl-script
:
$(
SCRIPT_PERL_GEN
)
$(
INSTALL
)
$^
'
$(DESTDIR_SQ)$(gitexec_instdir_SQ)
'
install-python-script
:
$(
SCRIPT_PYTHON_GEN
)
$(
INSTALL
)
$^
'
$(DESTDIR_SQ)$(gitexec_instdir_SQ)
'
.PHONY
: clean-perl-script clean-sh-script clean-python-script
clean-sh-script
:
$(
RM
)
$(
SCRIPT_SH_GEN
)
clean-perl-script
:
$(
RM
)
$(
SCRIPT_PERL_GEN
)
clean-python-script
:
$(
RM
)
$(
SCRIPT_PYTHON_GEN
)
SCRIPTS
=
$(
SCRIPT_SH_GEN
)
\
$(
SCRIPT_PERL_GEN
)
\
$(
SCRIPT_PYTHON_GEN
)
\
git-instaweb
ETAGS_TARGET
= TAGS
#
Empty...
EXTRA_PROGRAMS
=
#
... and all the rest that could be moved out of bindir to gitexecdir
PROGRAMS
+=
$(
EXTRA_PROGRAMS
)
PROGRAM_OBJS
+= daemon.o
PROGRAM_OBJS
+= http-backend.o
PROGRAM_OBJS
+= imap-send.o
PROGRAM_OBJS
+= sh-i18n--envsubst.o
PROGRAM_OBJS
+= shell.o
.PHONY
: program-objs
program-objs
:
$(
PROGRAM_OBJS
)
#
Binary suffix, set to .exe for Windows builds
X
=
PROGRAMS
+=
$(
patsubst
%
.o,git-
%
$X,
$(
PROGRAM_OBJS
)
)
TEST_BUILTINS_OBJS
+= test-advise.o
TEST_BUILTINS_OBJS
+= test-bitmap.o
TEST_BUILTINS_OBJS
+= test-bloom.o
TEST_BUILTINS_OBJS
+= test-bundle-uri.o
TEST_BUILTINS_OBJS
+= test-cache-tree.o
TEST_BUILTINS_OBJS
+= test-chmtime.o
TEST_BUILTINS_OBJS
+= test-config.o
TEST_BUILTINS_OBJS
+= test-crontab.o
TEST_BUILTINS_OBJS
+= test-csprng.o
TEST_BUILTINS_OBJS
+= test-date.o
TEST_BUILTINS_OBJS
+= test-delete-gpgsig.o
TEST_BUILTINS_OBJS
+= test-delta.o
TEST_BUILTINS_OBJS
+= test-dir-iterator.o
TEST_BUILTINS_OBJS
+= test-drop-caches.o
TEST_BUILTINS_OBJS
+= test-dump-cache-tree.o
TEST_BUILTINS_OBJS
+= test-dump-fsmonitor.o
TEST_BUILTINS_OBJS
+= test-dump-split-index.o
TEST_BUILTINS_OBJS
+= test-dump-untracked-cache.o
TEST_BUILTINS_OBJS
+= test-env-helper.o
TEST_BUILTINS_OBJS
+= test-example-tap.o
TEST_BUILTINS_OBJS
+= test-find-pack.o
TEST_BUILTINS_OBJS
+= test-fsmonitor-client.o
TEST_BUILTINS_OBJS
+= test-genrandom.o
TEST_BUILTINS_OBJS
+= test-genzeros.o
TEST_BUILTINS_OBJS
+= test-getcwd.o
TEST_BUILTINS_OBJS
+= test-hash-speed.o
TEST_BUILTINS_OBJS
+= test-hash.o
TEST_BUILTINS_OBJS
+= test-hashmap.o
TEST_BUILTINS_OBJS
+= test-hexdump.o
TEST_BUILTINS_OBJS
+= test-json-writer.o
TEST_BUILTINS_OBJS
+= test-lazy-init-name-hash.o
TEST_BUILTINS_OBJS
+= test-match-trees.o
TEST_BUILTINS_OBJS
+= test-mergesort.o
TEST_BUILTINS_OBJS
+= test-mktemp.o
TEST_BUILTINS_OBJS
+= test-name-hash.o
TEST_BUILTINS_OBJS
+= test-online-cpus.o
TEST_BUILTINS_OBJS
+= test-pack-deltas.o
TEST_BUILTINS_OBJS
+= test-pack-mtimes.o
TEST_BUILTINS_OBJS
+= test-parse-options.o
TEST_BUILTINS_OBJS
+= test-parse-pathspec-file.o
TEST_BUILTINS_OBJS
+= test-partial-clone.o
TEST_BUILTINS_OBJS
+= test-path-utils.o
TEST_BUILTINS_OBJS
+= test-path-walk.o
TEST_BUILTINS_OBJS
+= test-pcre2-config.o
TEST_BUILTINS_OBJS
+= test-pkt-line.o
TEST_BUILTINS_OBJS
+= test-proc-receive.o
TEST_BUILTINS_OBJS
+= test-progress.o
TEST_BUILTINS_OBJS
+= test-reach.o
TEST_BUILTINS_OBJS
+= test-read-cache.o
TEST_BUILTINS_OBJS
+= test-read-graph.o
TEST_BUILTINS_OBJS
+= test-read-midx.o
TEST_BUILTINS_OBJS
+= test-ref-store.o
TEST_BUILTINS_OBJS
+= test-reftable.o
TEST_BUILTINS_OBJS
+= test-regex.o
TEST_BUILTINS_OBJS
+= test-rot13-filter.o
TEST_BUILTINS_OBJS
+= test-repository.o
TEST_BUILTINS_OBJS
+= test-revision-walking.o
TEST_BUILTINS_OBJS
+= test-run-command.o
TEST_BUILTINS_OBJS
+= test-scrap-cache-tree.o
TEST_BUILTINS_OBJS
+= test-serve-v2.o
TEST_BUILTINS_OBJS
+= test-sha1.o
TEST_BUILTINS_OBJS
+= test-sha256.o
TEST_BUILTINS_OBJS
+= test-sigchain.o
TEST_BUILTINS_OBJS
+= test-simple-ipc.o
TEST_BUILTINS_OBJS
+= test-string-list.o
TEST_BUILTINS_OBJS
+= test-submodule-config.o
TEST_BUILTINS_OBJS
+= test-submodule-nested-repo-config.o
TEST_BUILTINS_OBJS
+= test-submodule.o
TEST_BUILTINS_OBJS
+= test-subprocess.o
TEST_BUILTINS_OBJS
+= test-synthesize.o
TEST_BUILTINS_OBJS
+= test-trace2.o
TEST_BUILTINS_OBJS
+= test-truncate.o
TEST_BUILTINS_OBJS
+= test-userdiff.o
TEST_BUILTINS_OBJS
+= test-wildmatch.o
TEST_BUILTINS_OBJS
+= test-windows-named-pipe.o
TEST_BUILTINS_OBJS
+= test-write-cache.o
TEST_BUILTINS_OBJS
+= test-xml-encode.o
TEST_BUILTINS_OBJS
+= test-zlib.o
#
Do not add more tests here unless they have extra dependencies. Add
#
them in TEST_BUILTINS_OBJS above.
TEST_PROGRAMS_NEED_X
+= test-fake-ssh
TEST_PROGRAMS_NEED_X
+= test-tool
TEST_PROGRAMS
=
$(
patsubst
%
,t/helper/
%
$X,
$(
TEST_PROGRAMS_NEED_X
)
)
#
List built-in command $C whose implementation cmd_$C() is not in
#
builtin/$C.o but is linked in as part of some other command.
BUILT_INS
+=
$(
patsubst
builtin/
%
.o,git-
%
$X,
$(
BUILTIN_OBJS
)
)
BUILT_INS
+= git-cherry$X
BUILT_INS
+= git-cherry-pick$X
BUILT_INS
+= git-format-patch$X
BUILT_INS
+= git-format-rev$X
BUILT_INS
+= git-fsck-objects$X
BUILT_INS
+= git-init$X
BUILT_INS
+= git-maintenance$X
BUILT_INS
+= git-merge-subtree$X
BUILT_INS
+= git-restore$X
BUILT_INS
+= git-show$X
BUILT_INS
+= git-stage$X
BUILT_INS
+= git-status$X
BUILT_INS
+= git-switch$X
BUILT_INS
+= git-version$X
ifndef
WITH_BREAKING_CHANGES
BUILT_INS
+= git-whatchanged$X
endif
#
what 'all' will build but not install in gitexecdir
OTHER_PROGRAMS
+= git$X
OTHER_PROGRAMS
+= scalar$X
#
what test wrappers are needed and 'install' will install, in bindir
BINDIR_PROGRAMS_NEED_X
+= git
BINDIR_PROGRAMS_NEED_X
+= scalar
BINDIR_PROGRAMS_NEED_X
+= git-receive-pack
BINDIR_PROGRAMS_NEED_X
+= git-shell
BINDIR_PROGRAMS_NEED_X
+= git-upload-archive
BINDIR_PROGRAMS_NEED_X
+= git-upload-pack
BINDIR_PROGRAMS_NO_X
+= git-cvsserver
#
Set paths to tools early so that they can be used for version tests.
ifndef
SHELL_PATH
SHELL_PATH = /bin/sh
endif
ifndef
PERL_PATH
PERL_PATH = /usr/bin/perl
endif
ifndef
PYTHON_PATH
PYTHON_PATH = /usr/bin/python
endif
export
PERL_PATH
export
PYTHON_PATH
TEST_SHELL_PATH
=
$(
SHELL_PATH
)
LIB_FILE
= libgit.a
ifndef
NO_RUST
ifdef
DEBUG
RUST_BUILD_CONFIG
= debug
else
RUST_BUILD_CONFIG
= release
endif
ifeq
(
$(
uname_S
)
,Windows)
RUST_LIB_NAME
= gitcore.lib
else
RUST_LIB_NAME
= libgitcore.a
endif
RUST_LIB
= target/
$(
RUST_BUILD_CONFIG
)
/
$(
RUST_LIB_NAME
)
endif
GITLIBS
= common-main.o
$(
LIB_FILE
)
EXTLIBS
=
GIT_USER_AGENT
= git/
$(
GIT_VERSION
)
ifeq
(
$(
wildcard
sha1collisiondetection/lib/sha1.h)
,sha1collisiondetection/lib/sha1.h)
DC_SHA1_SUBMODULE
= auto
endif
#
Set CFLAGS, LDFLAGS and other *FLAGS variables. These might be
#
tweaked by config.* below as well as the command-line, both of
#
which'll override these defaults.
#
Older versions of GCC may require adding "-std=gnu99" at the end.
CFLAGS
= -g -O2 -Wall
LDFLAGS
=
CC_LD_DYNPATH
= -Wl,-rpath,
BASIC_CFLAGS
= -I.
BASIC_LDFLAGS
=
#
library flags
ARFLAGS
= rcs
PTHREAD_CFLAGS
=
#
Rust flags
CARGO_ARGS
=
ifndef
V
CARGO_ARGS
+= --quiet
endif
ifndef
DEBUG
CARGO_ARGS
+= --release
endif
#
For the 'sparse' target
SPARSE_FLAGS
?= -std=gnu99 -D__STDC_NO_VLA__
SP_EXTRA_FLAGS
=
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