merge(third_party/git): Merge squashed git subtree at v2.23.0 r/373

Merge commit '1b593e1ea4d2af0f6444d9a7788d5d99abd6fde5' as 'third_party/git'

1 files changed, 767 insertions, 0 deletions

diff --git a/third_party/git/config.mak.uname b/third_party/git/config.mak.uname
new file mode 100644
index 000000000000..db7f06b95fda
--- /dev/null
+++ b/third_party/git/config.mak.uname
@@ -0,0 +1,767 @@
+# Platform specific Makefile tweaks based on uname detection
+
+# Define NO_SAFESEH if you need MSVC/Visual Studio to ignore the lack of
+# Microsoft's Safe Exception Handling in libraries (such as zlib).
+# Typically required for VS2013+/32-bit compilation on Vista+ versions.
+
+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')
+uname_R := $(shell sh -c 'uname -r 2>/dev/null || echo not')
+uname_P := $(shell sh -c 'uname -p 2>/dev/null || echo not')
+uname_V := $(shell sh -c 'uname -v 2>/dev/null || echo not')
+
+ifdef MSVC
+	# avoid the MingW and Cygwin configuration sections
+	uname_S := Windows
+	uname_O := Windows
+
+	# Generate and include makefile variables that point to the
+	# currently installed set of MSVC command line tools.
+compat/vcbuild/MSVC-DEFS-GEN: compat/vcbuild/find_vs_env.bat
+	@"$<" | tr '\\' / >"$@"
+include compat/vcbuild/MSVC-DEFS-GEN
+
+	# See if vcpkg and the vcpkg-build versions of the third-party
+	# libraries that we use are installed.  We include the result
+	# to get $(vcpkg_*) variables defined for the Makefile.
+ifeq (,$(SKIP_VCPKG))
+compat/vcbuild/VCPKG-DEFS: compat/vcbuild/vcpkg_install.bat
+	@"$<"
+include compat/vcbuild/VCPKG-DEFS
+endif
+endif
+
+# We choose to avoid "if .. else if .. else .. endif endif"
+# because maintaining the nesting to match is a pain.  If
+# we had "elif" things would have been much nicer...
+
+ifeq ($(uname_S),OSF1)
+	# Need this for u_short definitions et al
+	BASIC_CFLAGS += -D_OSF_SOURCE
+	SOCKLEN_T = int
+	NO_STRTOULL = YesPlease
+	NO_NSEC = YesPlease
+endif
+ifeq ($(uname_S),Linux)
+	HAVE_ALLOCA_H = YesPlease
+	NO_STRLCPY = YesPlease
+	HAVE_PATHS_H = YesPlease
+	LIBC_CONTAINS_LIBINTL = YesPlease
+	HAVE_DEV_TTY = YesPlease
+	HAVE_CLOCK_GETTIME = YesPlease
+	HAVE_CLOCK_MONOTONIC = YesPlease
+	# -lrt is needed for clock_gettime on glibc <= 2.16
+	NEEDS_LIBRT = YesPlease
+	HAVE_GETDELIM = YesPlease
+	SANE_TEXT_GREP=-a
+	FREAD_READS_DIRECTORIES = UnfortunatelyYes
+	BASIC_CFLAGS += -DHAVE_SYSINFO
+	PROCFS_EXECUTABLE_PATH = /proc/self/exe
+endif
+ifeq ($(uname_S),GNU/kFreeBSD)
+	HAVE_ALLOCA_H = YesPlease
+	NO_STRLCPY = YesPlease
+	HAVE_PATHS_H = YesPlease
+	DIR_HAS_BSD_GROUP_SEMANTICS = YesPlease
+	LIBC_CONTAINS_LIBINTL = YesPlease
+	FREAD_READS_DIRECTORIES = UnfortunatelyYes
+endif
+ifeq ($(uname_S),UnixWare)
+	CC = cc
+	NEEDS_SOCKET = YesPlease
+	NEEDS_NSL = YesPlease
+	NEEDS_SSL_WITH_CRYPTO = YesPlease
+	NEEDS_LIBICONV = YesPlease
+	SHELL_PATH = /usr/local/bin/bash
+	NO_IPV6 = YesPlease
+	NO_HSTRERROR = YesPlease
+	BASIC_CFLAGS += -Kthread
+	BASIC_CFLAGS += -I/usr/local/include
+	BASIC_LDFLAGS += -L/usr/local/lib
+	INSTALL = ginstall
+	TAR = gtar
+	NO_STRCASESTR = YesPlease
+	NO_MEMMEM = YesPlease
+endif
+ifeq ($(uname_S),SCO_SV)
+	ifeq ($(uname_R),3.2)
+		CFLAGS = -O2
+	endif
+	ifeq ($(uname_R),5)
+		CC = cc
+		BASIC_CFLAGS += -Kthread
+	endif
+	NEEDS_SOCKET = YesPlease
+	NEEDS_NSL = YesPlease
+	NEEDS_SSL_WITH_CRYPTO = YesPlease
+	NEEDS_LIBICONV = YesPlease
+	SHELL_PATH = /usr/bin/bash
+	NO_IPV6 = YesPlease
+	NO_HSTRERROR = YesPlease
+	BASIC_CFLAGS += -I/usr/local/include
+	BASIC_LDFLAGS += -L/usr/local/lib
+	NO_STRCASESTR = YesPlease
+	NO_MEMMEM = YesPlease
+	INSTALL = ginstall
+	TAR = gtar
+endif
+ifeq ($(uname_S),Darwin)
+	NEEDS_CRYPTO_WITH_SSL = YesPlease
+	NEEDS_SSL_WITH_CRYPTO = YesPlease
+	NEEDS_LIBICONV = YesPlease
+	# Note: $(uname_R) gives us the underlying Darwin version.
+	# - MacOS 10.0.* and MacOS 10.1.0 = Darwin 1.*
+	# - MacOS 10.x.* = Darwin (x+4).* for (1 <= x)
+	# i.e. "begins with [15678] and a dot" means "10.4.* or older".
+	ifeq ($(shell expr "$(uname_R)" : '[15678]\.'),2)
+		OLD_ICONV = UnfortunatelyYes
+		NO_APPLE_COMMON_CRYPTO = YesPlease
+	endif
+	ifeq ($(shell expr "$(uname_R)" : '[15]\.'),2)
+		NO_STRLCPY = YesPlease
+	endif
+	ifeq ($(shell test "`expr "$(uname_R)" : '\([0-9][0-9]*\)\.'`" -ge 11 && echo 1),1)
+		HAVE_GETDELIM = YesPlease
+	endif
+	NO_MEMMEM = YesPlease
+	USE_ST_TIMESPEC = YesPlease
+	HAVE_DEV_TTY = YesPlease
+	COMPAT_OBJS += compat/precompose_utf8.o
+	BASIC_CFLAGS += -DPRECOMPOSE_UNICODE
+	BASIC_CFLAGS += -DPROTECT_HFS_DEFAULT=1
+	HAVE_BSD_SYSCTL = YesPlease
+	FREAD_READS_DIRECTORIES = UnfortunatelyYes
+	HAVE_NS_GET_EXECUTABLE_PATH = YesPlease
+	BASIC_CFLAGS += -I/usr/local/include
+	BASIC_LDFLAGS += -L/usr/local/lib
+endif
+ifeq ($(uname_S),SunOS)
+	NEEDS_SOCKET = YesPlease
+	NEEDS_NSL = YesPlease
+	SHELL_PATH = /bin/bash
+	SANE_TOOL_PATH = /usr/xpg6/bin:/usr/xpg4/bin
+	HAVE_ALLOCA_H = YesPlease
+	NO_STRCASESTR = YesPlease
+	NO_MEMMEM = YesPlease
+	NO_MKDTEMP = YesPlease
+	NO_REGEX = YesPlease
+	NO_MSGFMT_EXTENDED_OPTIONS = YesPlease
+	HAVE_DEV_TTY = YesPlease
+	ifeq ($(uname_R),5.6)
+		SOCKLEN_T = int
+		NO_HSTRERROR = YesPlease
+		NO_IPV6 = YesPlease
+		NO_SOCKADDR_STORAGE = YesPlease
+		NO_UNSETENV = YesPlease
+		NO_SETENV = YesPlease
+		NO_STRLCPY = YesPlease
+		NO_STRTOUMAX = YesPlease
+		GIT_TEST_CMP = cmp
+	endif
+	ifeq ($(uname_R),5.7)
+		NEEDS_RESOLV = YesPlease
+		NO_IPV6 = YesPlease
+		NO_SOCKADDR_STORAGE = YesPlease
+		NO_UNSETENV = YesPlease
+		NO_SETENV = YesPlease
+		NO_STRLCPY = YesPlease
+		NO_STRTOUMAX = YesPlease
+		GIT_TEST_CMP = cmp
+	endif
+	ifeq ($(uname_R),5.8)
+		NO_UNSETENV = YesPlease
+		NO_SETENV = YesPlease
+		NO_STRTOUMAX = YesPlease
+		GIT_TEST_CMP = cmp
+	endif
+	ifeq ($(uname_R),5.9)
+		NO_UNSETENV = YesPlease
+		NO_SETENV = YesPlease
+		NO_STRTOUMAX = YesPlease
+		GIT_TEST_CMP = cmp
+	endif
+	INSTALL = /usr/ucb/install
+	TAR = gtar
+	BASIC_CFLAGS += -D__EXTENSIONS__ -D__sun__
+endif
+ifeq ($(uname_O),Cygwin)
+	ifeq ($(shell expr "$(uname_R)" : '1\.[1-6]\.'),4)
+		NO_D_TYPE_IN_DIRENT = YesPlease
+		NO_STRCASESTR = YesPlease
+		NO_MEMMEM = YesPlease
+		NO_SYMLINK_HEAD = YesPlease
+		NO_IPV6 = YesPlease
+		OLD_ICONV = UnfortunatelyYes
+		# There are conflicting reports about this.
+		# On some boxes NO_MMAP is needed, and not so elsewhere.
+		# Try commenting this out if you suspect MMAP is more efficient
+		NO_MMAP = YesPlease
+	else
+		NO_REGEX = UnfortunatelyYes
+	endif
+	HAVE_ALLOCA_H = YesPlease
+	NEEDS_LIBICONV = YesPlease
+	NO_FAST_WORKING_DIRECTORY = UnfortunatelyYes
+	NO_ST_BLOCKS_IN_STRUCT_STAT = YesPlease
+	X = .exe
+	UNRELIABLE_FSTAT = UnfortunatelyYes
+	OBJECT_CREATION_USES_RENAMES = UnfortunatelyNeedsTo
+	MMAP_PREVENTS_DELETE = UnfortunatelyYes
+	COMPAT_OBJS += compat/win32/path-utils.o
+	FREAD_READS_DIRECTORIES = UnfortunatelyYes
+endif
+ifeq ($(uname_S),FreeBSD)
+	NEEDS_LIBICONV = YesPlease
+	# Versions up to 10.1 require OLD_ICONV; 10.2 and beyond don't.
+	# A typical version string looks like "10.2-RELEASE".
+	ifeq ($(shell expr "$(uname_R)" : '[1-9]\.'),2)
+		OLD_ICONV = YesPlease
+	endif
+	ifeq ($(firstword $(subst -, ,$(uname_R))),10.0)
+		OLD_ICONV = YesPlease
+	endif
+	ifeq ($(firstword $(subst -, ,$(uname_R))),10.1)
+		OLD_ICONV = YesPlease
+	endif
+	NO_MEMMEM = YesPlease
+	BASIC_CFLAGS += -I/usr/local/include
+	BASIC_LDFLAGS += -L/usr/local/lib
+	DIR_HAS_BSD_GROUP_SEMANTICS = YesPlease
+	USE_ST_TIMESPEC = YesPlease
+	ifeq ($(shell expr "$(uname_R)" : '4\.'),2)
+		PTHREAD_LIBS = -pthread
+		NO_UINTMAX_T = YesPlease
+		NO_STRTOUMAX = YesPlease
+	endif
+	PYTHON_PATH = /usr/local/bin/python
+	PERL_PATH = /usr/local/bin/perl
+	HAVE_PATHS_H = YesPlease
+	GMTIME_UNRELIABLE_ERRORS = UnfortunatelyYes
+	HAVE_BSD_SYSCTL = YesPlease
+	HAVE_BSD_KERN_PROC_SYSCTL = YesPlease
+	PAGER_ENV = LESS=FRX LV=-c MORE=FRX
+	FREAD_READS_DIRECTORIES = UnfortunatelyYes
+	FILENO_IS_A_MACRO = UnfortunatelyYes
+endif
+ifeq ($(uname_S),OpenBSD)
+	NO_STRCASESTR = YesPlease
+	NO_MEMMEM = YesPlease
+	USE_ST_TIMESPEC = YesPlease
+	NEEDS_LIBICONV = YesPlease
+	BASIC_CFLAGS += -I/usr/local/include
+	BASIC_LDFLAGS += -L/usr/local/lib
+	HAVE_PATHS_H = YesPlease
+	HAVE_BSD_SYSCTL = YesPlease
+	HAVE_BSD_KERN_PROC_SYSCTL = YesPlease
+	PROCFS_EXECUTABLE_PATH = /proc/curproc/file
+	FREAD_READS_DIRECTORIES = UnfortunatelyYes
+	FILENO_IS_A_MACRO = UnfortunatelyYes
+endif
+ifeq ($(uname_S),MirBSD)
+	NO_STRCASESTR = YesPlease
+	NO_MEMMEM = YesPlease
+	USE_ST_TIMESPEC = YesPlease
+	NEEDS_LIBICONV = YesPlease
+	HAVE_PATHS_H = YesPlease
+	HAVE_BSD_SYSCTL = YesPlease
+endif
+ifeq ($(uname_S),NetBSD)
+	ifeq ($(shell expr "$(uname_R)" : '[01]\.'),2)
+		NEEDS_LIBICONV = YesPlease
+	endif
+	BASIC_CFLAGS += -I/usr/pkg/include
+	BASIC_LDFLAGS += -L/usr/pkg/lib $(CC_LD_DYNPATH)/usr/pkg/lib
+	USE_ST_TIMESPEC = YesPlease
+	HAVE_PATHS_H = YesPlease
+	HAVE_BSD_SYSCTL = YesPlease
+	HAVE_BSD_KERN_PROC_SYSCTL = YesPlease
+	PROCFS_EXECUTABLE_PATH = /proc/curproc/exe
+endif
+ifeq ($(uname_S),AIX)
+	DEFAULT_PAGER = more
+	NO_STRCASESTR = YesPlease
+	NO_MEMMEM = YesPlease
+	NO_MKDTEMP = YesPlease
+	NO_STRLCPY = YesPlease
+	NO_NSEC = YesPlease
+	NO_REGEX = NeedsStartEnd
+	FREAD_READS_DIRECTORIES = UnfortunatelyYes
+	INTERNAL_QSORT = UnfortunatelyYes
+	NEEDS_LIBICONV = YesPlease
+	BASIC_CFLAGS += -D_LARGE_FILES
+	FILENO_IS_A_MACRO = UnfortunatelyYes
+	NEED_ACCESS_ROOT_HANDLER = UnfortunatelyYes
+	ifeq ($(shell expr "$(uname_V)" : '[1234]'),1)
+		NO_PTHREADS = YesPlease
+	else
+		PTHREAD_LIBS = -lpthread
+	endif
+	ifeq ($(shell expr "$(uname_V).$(uname_R)" : '5\.1'),3)
+		INLINE = ''
+	endif
+	GIT_TEST_CMP = cmp
+endif
+ifeq ($(uname_S),GNU)
+	# GNU/Hurd
+	HAVE_ALLOCA_H = YesPlease
+	NO_STRLCPY = YesPlease
+	HAVE_PATHS_H = YesPlease
+	LIBC_CONTAINS_LIBINTL = YesPlease
+endif
+ifeq ($(uname_S),IRIX)
+	NO_SETENV = YesPlease
+	NO_UNSETENV = YesPlease
+	NO_STRCASESTR = YesPlease
+	NO_MEMMEM = YesPlease
+	NO_MKDTEMP = YesPlease
+	# When compiled with the MIPSpro 7.4.4m compiler, and without pthreads
+	# (i.e. NO_PTHREADS is set), and _with_ MMAP (i.e. NO_MMAP is not set),
+	# git dies with a segmentation fault when trying to access the first
+	# entry of a reflog.  The conservative choice is made to always set
+	# NO_MMAP.  If you suspect that your compiler is not affected by this
+	# issue, comment out the NO_MMAP statement.
+	NO_MMAP = YesPlease
+	NO_REGEX = YesPlease
+	SNPRINTF_RETURNS_BOGUS = YesPlease
+	SHELL_PATH = /usr/gnu/bin/bash
+	NEEDS_LIBGEN = YesPlease
+endif
+ifeq ($(uname_S),IRIX64)
+	NO_SETENV = YesPlease
+	NO_UNSETENV = YesPlease
+	NO_STRCASESTR = YesPlease
+	NO_MEMMEM = 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_REGEX = YesPlease
+	SNPRINTF_RETURNS_BOGUS = YesPlease
+	SHELL_PATH = /usr/gnu/bin/bash
+	NEEDS_LIBGEN = YesPlease
+endif
+ifeq ($(uname_S),HP-UX)
+	INLINE = __inline
+	NO_IPV6 = YesPlease
+	NO_SETENV = YesPlease
+	NO_STRCASESTR = YesPlease
+	NO_MEMMEM = YesPlease
+	NO_STRLCPY = YesPlease
+	NO_MKDTEMP = YesPlease
+	NO_UNSETENV = YesPlease
+	NO_HSTRERROR = YesPlease
+	NO_SYS_SELECT_H = YesPlease
+	SNPRINTF_RETURNS_BOGUS = YesPlease
+	NO_NSEC = YesPlease
+	ifeq ($(uname_R),B.11.00)
+		NO_INET_NTOP = YesPlease
+		NO_INET_PTON = YesPlease
+	endif
+	ifeq ($(uname_R),B.10.20)
+		# Override HP-UX 11.x setting:
+		INLINE =
+		SOCKLEN_T = size_t
+		NO_PREAD = YesPlease
+		NO_INET_NTOP = YesPlease
+		NO_INET_PTON = YesPlease
+	endif
+	GIT_TEST_CMP = cmp
+endif
+ifeq ($(uname_S),Windows)
+	GIT_VERSION := $(GIT_VERSION).MSVC
+	pathsep = ;
+	# Assume that this is built in Git for Windows' SDK
+	ifeq (MINGW32,$(MSYSTEM))
+		prefix = /mingw32
+	else
+		prefix = /mingw64
+	endif
+	# Prepend MSVC 64-bit tool-chain to PATH.
+	#
+	# A regular Git Bash *does not* have cl.exe in its $PATH. As there is a
+	# link.exe next to, and required by, cl.exe, we have to prepend this
+	# onto the existing $PATH.
+	#
+	SANE_TOOL_PATH ?= $(msvc_bin_dir_msys)
+	HAVE_ALLOCA_H = YesPlease
+	NO_PREAD = YesPlease
+	NEEDS_CRYPTO_WITH_SSL = YesPlease
+	NO_LIBGEN_H = YesPlease
+	NO_POLL = YesPlease
+	NO_SYMLINK_HEAD = YesPlease
+	NO_IPV6 = YesPlease
+	NO_UNIX_SOCKETS = YesPlease
+	NO_SETENV = YesPlease
+	NO_STRCASESTR = YesPlease
+	NO_STRLCPY = YesPlease
+	NO_MEMMEM = YesPlease
+	NEEDS_LIBICONV = YesPlease
+	NO_STRTOUMAX = YesPlease
+	NO_MKDTEMP = YesPlease
+	NO_INTTYPES_H = YesPlease
+	# VS2015 with UCRT claims that snprintf and friends are C99 compliant,
+	# so we don't need this:
+	#
+	#   SNPRINTF_RETURNS_BOGUS = YesPlease
+	NO_SVN_TESTS = YesPlease
+	RUNTIME_PREFIX = YesPlease
+	HAVE_WPGMPTR = YesWeDo
+	NO_ST_BLOCKS_IN_STRUCT_STAT = YesPlease
+	USE_WIN32_MMAP = YesPlease
+	MMAP_PREVENTS_DELETE = UnfortunatelyYes
+	# USE_NED_ALLOCATOR = YesPlease
+	UNRELIABLE_FSTAT = UnfortunatelyYes
+	OBJECT_CREATION_USES_RENAMES = UnfortunatelyNeedsTo
+	NO_REGEX = YesPlease
+	NO_GETTEXT = YesPlease
+	NO_PYTHON = YesPlease
+	ETAGS_TARGET = ETAGS
+	NO_POSIX_GOODIES = UnfortunatelyYes
+	NATIVE_CRLF = YesPlease
+	DEFAULT_HELP_FORMAT = html
+
+	CC = compat/vcbuild/scripts/clink.pl
+	AR = compat/vcbuild/scripts/lib.pl
+	CFLAGS =
+	BASIC_CFLAGS = -nologo -I. -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/winansi.o \
+		compat/win32/path-utils.o \
+		compat/win32/pthread.o compat/win32/syslog.o \
+		compat/win32/trace2_win32_process_info.o \
+		compat/win32/dirent.o
+	COMPAT_CFLAGS = -D__USE_MINGW_ACCESS -DDETECT_MSYS_TTY -DNOGDI -DHAVE_STRING_H -Icompat -Icompat/regex -Icompat/win32 -DSTRIP_EXTENSION=\".exe\"
+	BASIC_LDFLAGS = -IGNORE:4217 -IGNORE:4049 -NOLOGO -ENTRY:wmainCRTStartup -SUBSYSTEM:CONSOLE
+	# invalidcontinue.obj allows Git's source code to close the same file
+	# handle twice, or to access the osfhandle of an already-closed stdout
+	# See https://msdn.microsoft.com/en-us/library/ms235330.aspx
+	EXTLIBS = user32.lib advapi32.lib shell32.lib wininet.lib ws2_32.lib invalidcontinue.obj kernel32.lib ntdll.lib
+	PTHREAD_LIBS =
+	lib =
+	BASIC_CFLAGS += $(vcpkg_inc) $(sdk_includes) $(msvc_includes)
+ifndef DEBUG
+	BASIC_CFLAGS += $(vcpkg_rel_lib)
+else
+	BASIC_CFLAGS += $(vcpkg_dbg_lib)
+endif
+	BASIC_CFLAGS += $(sdk_libs) $(msvc_libs)
+
+ifneq ($(USE_MSVC_CRTDBG),)
+	# Optionally enable memory leak reporting.
+	BASIC_CFLAGS += -DUSE_MSVC_CRTDBG
+endif
+	BASIC_CFLAGS += -DPROTECT_NTFS_DEFAULT=1
+	# Always give "-Zi" to the compiler and "-debug" to linker (even in
+	# release mode) to force a PDB to be generated (like RelWithDebInfo).
+	BASIC_CFLAGS += -Zi
+	BASIC_LDFLAGS += -debug -Zf
+
+ifdef NO_SAFESEH
+	LDFLAGS += -SAFESEH:NO
+endif
+
+ifndef DEBUG
+	BASIC_CFLAGS += -GL -Gy -O2 -Oy- -MD -DNDEBUG
+	BASIC_LDFLAGS += -release -LTCG /OPT:REF /OPT:ICF /INCREMENTAL:NO /DEBUGTYPE:CV,FIXUP
+	AR += -LTCG
+else
+	BASIC_CFLAGS += -MDd -DDEBUG -D_DEBUG
+endif
+	X = .exe
+
+compat/msvc.o: compat/msvc.c compat/mingw.c GIT-CFLAGS
+endif
+ifeq ($(uname_S),Interix)
+	NO_INITGROUPS = YesPlease
+	NO_IPV6 = YesPlease
+	NO_MEMMEM = YesPlease
+	NO_MKDTEMP = YesPlease
+	NO_STRTOUMAX = YesPlease
+	NO_NSEC = YesPlease
+	ifeq ($(uname_R),3.5)
+		NO_INET_NTOP = YesPlease
+		NO_INET_PTON = YesPlease
+		NO_SOCKADDR_STORAGE = YesPlease
+	endif
+	ifeq ($(uname_R),5.2)
+		NO_INET_NTOP = YesPlease
+		NO_INET_PTON = YesPlease
+		NO_SOCKADDR_STORAGE = YesPlease
+	endif
+endif
+ifeq ($(uname_S),Minix)
+	NO_IPV6 = YesPlease
+	NO_ST_BLOCKS_IN_STRUCT_STAT = YesPlease
+	NO_NSEC = YesPlease
+	NEEDS_LIBGEN =
+	NEEDS_CRYPTO_WITH_SSL = YesPlease
+	NEEDS_RESOLV =
+	NO_HSTRERROR = YesPlease
+	NO_MMAP = YesPlease
+	NO_CURL =
+	NO_EXPAT =
+endif
+ifeq ($(uname_S),NONSTOP_KERNEL)
+	# Needs some C99 features, "inline" is just one of them.
+	# INLINE='' would just replace one set of warnings with another and
+	# still not compile in c89 mode, due to non-const array initializations.
+	CC = cc -c99
+	# Build down-rev compatible objects that don't use our new getopt_long.
+	ifeq ($(uname_R).$(uname_V),J06.21)
+		CC += -WRVU=J06.20
+	endif
+	ifeq ($(uname_R).$(uname_V),L17.02)
+		CC += -WRVU=L16.05
+	endif
+	# Disable all optimization, seems to result in bad code, with -O or -O2
+	# or even -O1 (default), /usr/local/libexec/git-core/git-pack-objects
+	# abends on "git push". Needs more investigation.
+	CFLAGS = -g -O0 -Winline
+	# We'd want it to be here.
+	prefix = /usr/local
+	# perl and python must be in /usr/bin on NonStop - supplied by HPE
+	# with operating system in that managed directory.
+	PERL_PATH = /usr/bin/perl
+	PYTHON_PATH = /usr/bin/python
+	# The current /usr/coreutils/rm at lowest support level does not work
+	# with the git test structure. Long paths as in
+	# 'trash directory...' cause rm to terminate prematurely without fully
+	# removing the directory at OS releases J06.21 and L17.02.
+	# Default to the older rm until those two releases are deprecated.
+	RM = /bin/rm -f
+	# As detected by './configure'.
+	# Missdetected, hence commented out, see below.
+	#NO_CURL = YesPlease
+	# Added manually, see above.
+	NEEDS_SSL_WITH_CURL = YesPlease
+	NEEDS_CRYPTO_WITH_SSL = YesPlease
+	HAVE_DEV_TTY = YesPlease
+	HAVE_LIBCHARSET_H = YesPlease
+	HAVE_STRINGS_H = YesPlease
+	NEEDS_LIBICONV = YesPlease
+	NEEDS_LIBINTL_BEFORE_LIBICONV = YesPlease
+	NO_SYS_SELECT_H = UnfortunatelyYes
+	NO_D_TYPE_IN_DIRENT = YesPlease
+	NO_GETTEXT = YesPlease
+	NO_HSTRERROR = YesPlease
+	NO_STRCASESTR = YesPlease
+	NO_MEMMEM = YesPlease
+	NO_STRLCPY = YesPlease
+	NO_SETENV = YesPlease
+	NO_UNSETENV = YesPlease
+	NO_MKDTEMP = YesPlease
+	# Currently libiconv-1.9.1.
+	OLD_ICONV = UnfortunatelyYes
+	NO_REGEX = NeedsStartEnd
+	NO_PTHREADS = UnfortunatelyYes
+	FREAD_READS_DIRECTORIES = UnfortunatelyYes
+
+	# Not detected (nor checked for) by './configure'.
+	# We don't have SA_RESTART on NonStop, unfortunalety.
+	COMPAT_CFLAGS += -DSA_RESTART=0
+	# Apparently needed in compat/fnmatch/fnmatch.c.
+	COMPAT_CFLAGS += -DHAVE_STRING_H=1
+	NO_ST_BLOCKS_IN_STRUCT_STAT = YesPlease
+	NO_NSEC = YesPlease
+	NO_PREAD = YesPlease
+	NO_MMAP = YesPlease
+	NO_POLL = YesPlease
+	NO_INTPTR_T = UnfortunatelyYes
+	# Bug report 10-120822-4477 submitted to HP NonStop development.
+	MKDIR_WO_TRAILING_SLASH = YesPlease
+	# RFE 10-120912-4693 submitted to HP NonStop development.
+	NO_SETITIMER = UnfortunatelyYes
+	SANE_TOOL_PATH = /usr/coreutils/bin:/usr/local/bin
+	SHELL_PATH = /usr/coreutils/bin/bash
+endif
+ifneq (,$(findstring MINGW,$(uname_S)))
+	pathsep = ;
+	HAVE_ALLOCA_H = YesPlease
+	NO_PREAD = YesPlease
+	NEEDS_CRYPTO_WITH_SSL = YesPlease
+	NO_LIBGEN_H = YesPlease
+	NO_POLL = YesPlease
+	NO_SYMLINK_HEAD = YesPlease
+	NO_UNIX_SOCKETS = YesPlease
+	NO_SETENV = YesPlease
+	NO_STRCASESTR = YesPlease
+	NO_STRLCPY = YesPlease
+	NO_MEMMEM = YesPlease
+	NEEDS_LIBICONV = YesPlease
+	NO_STRTOUMAX = YesPlease
+	NO_MKDTEMP = YesPlease
+	NO_SVN_TESTS = YesPlease
+	RUNTIME_PREFIX = YesPlease
+	HAVE_WPGMPTR = YesWeDo
+	NO_ST_BLOCKS_IN_STRUCT_STAT = YesPlease
+	USE_WIN32_MMAP = YesPlease
+	MMAP_PREVENTS_DELETE = UnfortunatelyYes
+	USE_NED_ALLOCATOR = YesPlease
+	UNRELIABLE_FSTAT = UnfortunatelyYes
+	OBJECT_CREATION_USES_RENAMES = UnfortunatelyNeedsTo
+	NO_REGEX = YesPlease
+	NO_PYTHON = YesPlease
+	ETAGS_TARGET = ETAGS
+	NO_POSIX_GOODIES = UnfortunatelyYes
+	DEFAULT_HELP_FORMAT = html
+	BASIC_LDFLAGS += -municode
+	COMPAT_CFLAGS += -DNOGDI -Icompat -Icompat/win32
+	COMPAT_CFLAGS += -DSTRIP_EXTENSION=\".exe\"
+	COMPAT_OBJS += compat/mingw.o compat/winansi.o \
+		compat/win32/trace2_win32_process_info.o \
+		compat/win32/path-utils.o \
+		compat/win32/pthread.o compat/win32/syslog.o \
+		compat/win32/dirent.o
+	BASIC_CFLAGS += -DWIN32 -DPROTECT_NTFS_DEFAULT=1
+	EXTLIBS += -lws2_32
+	GITLIBS += git.res
+	PTHREAD_LIBS =
+	RC = windres -O coff
+	NATIVE_CRLF = YesPlease
+	X = .exe
+ifneq (,$(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
+	HAVE_LIBCHARSET_H = YesPlease
+	NO_GETTEXT = YesPlease
+	COMPAT_CFLAGS += -D__USE_MINGW_ACCESS
+else
+	ifneq ($(shell expr "$(uname_R)" : '1\.'),2)
+		# MSys2
+		prefix = /usr/
+		# Enable DEP
+		BASIC_LDFLAGS += -Wl,--nxcompat
+		# Enable ASLR (unless debugging)
+		ifneq (,$(findstring -O,$(filter-out -O0 -Og,$(CFLAGS))))
+			BASIC_LDFLAGS += -Wl,--dynamicbase
+		endif
+		ifeq (MINGW32,$(MSYSTEM))
+			prefix = /mingw32
+			HOST_CPU = i686
+			BASIC_LDFLAGS += -Wl,--pic-executable,-e,_mainCRTStartup
+		endif
+		ifeq (MINGW64,$(MSYSTEM))
+			prefix = /mingw64
+			HOST_CPU = x86_64
+			BASIC_LDFLAGS += -Wl,--pic-executable,-e,mainCRTStartup
+		else
+			COMPAT_CFLAGS += -D_USE_32BIT_TIME_T
+			BASIC_LDFLAGS += -Wl,--large-address-aware
+		endif
+		CC = gcc
+		COMPAT_CFLAGS += -D__USE_MINGW_ANSI_STDIO=0 -DDETECT_MSYS_TTY \
+			-fstack-protector-strong
+		EXTLIBS += -lntdll
+		INSTALL = /bin/install
+		NO_R_TO_GCC_LINKER = YesPlease
+		INTERNAL_QSORT = YesPlease
+		HAVE_LIBCHARSET_H = YesPlease
+		NO_GETTEXT =
+		USE_GETTEXT_SCHEME = fallthrough
+		USE_LIBPCRE= YesPlease
+		NO_LIBPCRE1_JIT = UnfortunatelyYes
+		NO_CURL =
+		USE_NED_ALLOCATOR = YesPlease
+	else
+		COMPAT_CFLAGS += -D__USE_MINGW_ANSI_STDIO
+		NO_CURL = YesPlease
+	endif
+endif
+endif
+ifeq ($(uname_S),QNX)
+	COMPAT_CFLAGS += -DSA_RESTART=0
+	EXPAT_NEEDS_XMLPARSE_H = YesPlease
+	HAVE_STRINGS_H = YesPlease
+	NEEDS_SOCKET = YesPlease
+	NO_GETPAGESIZE = YesPlease
+	NO_ICONV = YesPlease
+	NO_MEMMEM = YesPlease
+	NO_MKDTEMP = YesPlease
+	NO_NSEC = YesPlease
+	NO_PTHREADS = YesPlease
+	NO_R_TO_GCC_LINKER = YesPlease
+	NO_STRCASESTR = YesPlease
+	NO_STRLCPY = YesPlease
+endif
+
+vcxproj:
+	# Require clean work tree
+	git update-index -q --refresh && \
+	git diff-files --quiet && \
+	git diff-index --cached --quiet HEAD --
+
+	# Make .vcxproj files and add them
+	unset QUIET_GEN QUIET_BUILT_IN; \
+	perl contrib/buildsystems/generate -g Vcxproj
+	git add -f git.sln {*,*/lib,t/helper/*}/*.vcxproj
+
+	# Generate the LinkOrCopyBuiltins.targets file
+	(echo '<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">' && \
+	 echo '  <Target Name="CopyBuiltins_AfterBuild" AfterTargets="AfterBuild">' && \
+	 for name in $(BUILT_INS);\
+	 do \
+	   echo '    <Copy SourceFiles="$$(OutDir)\git.exe" DestinationFiles="$$(OutDir)\'"$$name"'" SkipUnchangedFiles="true" UseHardlinksIfPossible="true" />'; \
+	 done && \
+	 for name in $(REMOTE_CURL_ALIASES); \
+	 do \
+	   echo '    <Copy SourceFiles="$$(OutDir)\'"$(REMOTE_CURL_PRIMARY)"'" DestinationFiles="$$(OutDir)\'"$$name"'" SkipUnchangedFiles="true" UseHardlinksIfPossible="true" />'; \
+	 done && \
+	 echo '  </Target>' && \
+	 echo '</Project>') >git/LinkOrCopyBuiltins.targets
+	git add -f git/LinkOrCopyBuiltins.targets
+
+	# Add command-list.h
+	$(MAKE) MSVC=1 SKIP_VCPKG=1 prefix=/mingw64 command-list.h
+	git add -f command-list.h
+
+	# Add scripts
+	rm -f perl/perl.mak
+	$(MAKE) MSVC=1 SKIP_VCPKG=1 prefix=/mingw64 \
+		$(SCRIPT_LIB) $(SCRIPT_SH_GEN) $(SCRIPT_PERL_GEN)
+	# Strip out the sane tool path, needed only for building
+	sed -i '/^git_broken_path_fix ".*/d' git-sh-setup
+	git add -f $(SCRIPT_LIB) $(SCRIPT_SH_GEN) $(SCRIPT_PERL_GEN)
+
+	# Add Perl module
+	$(MAKE) $(LIB_PERL_GEN)
+	git add -f perl/build
+
+	# Add bin-wrappers, for testing
+	rm -rf bin-wrappers/
+	$(MAKE) MSVC=1 SKIP_VCPKG=1 prefix=/mingw64 $(test_bindir_programs)
+	# Ensure that the GIT_EXEC_PATH is a Unix-y one, and that the absolute
+	# path of the repository is not hard-coded (GIT_EXEC_PATH will be set
+	# by test-lib.sh according to the current setup)
+	sed -i -e 's/^\(GIT_EXEC_PATH\)=.*/test -n "$${\1##*:*}" ||\
+			\1="$$(cygpath -u "$$\1")"/' \
+		-e "s|'$$(pwd)|\"\$$GIT_EXEC_PATH\"'|g" bin-wrappers/*
+	# Ensure that test-* helpers find the .dll files copied to top-level
+	sed -i 's|^PATH=.*|&:"$$GIT_EXEC_PATH"|' bin-wrappers/test-*
+	# We do not want to force hard-linking builtins
+	sed -i 's|\(git\)-\([-a-z]*\)\.exe"|\1.exe" \2|g' \
+		bin-wrappers/git-{receive-pack,upload-archive}
+	git add -f $(test_bindir_programs)
+	# remote-ext is a builtin, but invoked as if it were external
+	sed 's|receive-pack|remote-ext|g' \
+		<bin-wrappers/git-receive-pack >bin-wrappers/git-remote-ext
+	git add -f bin-wrappers/git-remote-ext
+
+	# Add templates
+	$(MAKE) -C templates
+	git add -f templates/boilerplates.made templates/blt/
+
+	# Add build options
+	$(MAKE) MSVC=1 SKIP_VCPKG=1 prefix=/mingw64 GIT-BUILD-OPTIONS
+	git add -f GIT-BUILD-OPTIONS
+
+	# Commit the whole shebang
+	git commit -m "Generate Visual Studio solution" \
+		-m "Auto-generated by \`$(MAKE)$(MAKEFLAGS) $@\`"