# Platform specific Makefile tweaks based on uname detection

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
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 ($(uname_M),x86_64)
	XDL_FAST_HASH = YesPlease
endif
ifeq ($(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 ($(uname_S),Linux)
	NO_STRLCPY = YesPlease
	NO_MKSTEMPS = YesPlease
	HAVE_PATHS_H = YesPlease
	LIBC_CONTAINS_LIBINTL = YesPlease
	HAVE_DEV_TTY = YesPlease
endif
ifeq ($(uname_S),GNU/kFreeBSD)
	NO_STRLCPY = YesPlease
	NO_MKSTEMPS = YesPlease
	HAVE_PATHS_H = YesPlease
	DIR_HAS_BSD_GROUP_SEMANTICS = YesPlease
	LIBC_CONTAINS_LIBINTL = YesPlease
endif
ifeq ($(uname_S),UnixWare)
	CC = cc
	NEEDS_SOCKET = YesPlease
	NEEDS_NSL = YesPlease
	NEEDS_SSL_WITH_CRYPTO = YesPlease
	NEEDS_LIBICONV = YesPlease
	SHELL_PATH = /usr/local/bin/bash
	NO_IPV6 = YesPlease
	NO_HSTRERROR = YesPlease
	NO_MKSTEMPS = YesPlease
	BASIC_CFLAGS += -Kthread
	BASIC_CFLAGS += -I/usr/local/include
	BASIC_LDFLAGS += -L/usr/local/lib
	INSTALL = ginstall
	TAR = gtar
	NO_STRCASESTR = YesPlease
	NO_MEMMEM = YesPlease
endif
ifeq ($(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
	NO_MKSTEMPS = 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 ($(uname_S),Darwin)
	NEEDS_CRYPTO_WITH_SSL = YesPlease
	NEEDS_SSL_WITH_CRYPTO = YesPlease
	NEEDS_LIBICONV = YesPlease
	ifeq ($(shell expr "$(uname_R)" : '[15678]\.'),2)
		OLD_ICONV = UnfortunatelyYes
	endif
	ifeq ($(shell expr "$(uname_R)" : '[15]\.'),2)
		NO_STRLCPY = YesPlease
	endif
	NO_MEMMEM = YesPlease
	USE_ST_TIMESPEC = YesPlease
	HAVE_DEV_TTY = YesPlease
	COMPAT_OBJS += compat/precompose_utf8.o
	BASIC_CFLAGS += -DPRECOMPOSE_UNICODE
endif
ifeq ($(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_MKDTEMP = YesPlease
	NO_MKSTEMPS = 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__ -DHAVE_ALLOCA_H
endif
ifeq ($(uname_O),Cygwin)
	ifeq ($(shell expr "$(uname_R)" : '1\.[1-6]\.'),4)
		NO_D_TYPE_IN_DIRENT = YesPlease
		NO_D_INO_IN_DIRENT = YesPlease
		NO_STRCASESTR = YesPlease
		NO_MEMMEM = YesPlease
		NO_MKSTEMPS = YesPlease
		NO_SYMLINK_HEAD = YesPlease
		NO_IPV6 = YesPlease
		OLD_ICONV = UnfortunatelyYes
		# There are conflicting reports about this.
		# On some boxes NO_MMAP is needed, and not so elsewhere.
		# Try commenting this out if you suspect MMAP is more efficient
		NO_MMAP = YesPlease
	else
		NO_REGEX = UnfortunatelyYes
	endif
	NEEDS_LIBICONV = YesPlease
	NO_FAST_WORKING_DIRECTORY = UnfortunatelyYes
	NO_ST_BLOCKS_IN_STRUCT_STAT = YesPlease
	X = .exe
	UNRELIABLE_FSTAT = UnfortunatelyYes
	SPARSE_FLAGS = -isystem /usr/include/w32api -Wno-one-bit-signed-bitfield
endif
ifeq ($(uname_S),FreeBSD)
	NEEDS_LIBICONV = YesPlease
	OLD_ICONV = YesPlease
	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
	HAVE_PATHS_H = YesPlease
	GMTIME_UNRELIABLE_ERRORS = UnfortunatelyYes
endif
ifeq ($(uname_S),OpenBSD)
	NO_STRCASESTR = YesPlease
	NO_MEMMEM = YesPlease
	USE_ST_TIMESPEC = YesPlease
	NEEDS_LIBICONV = YesPlease
	BASIC_CFLAGS += -I/usr/local/include
	BASIC_LDFLAGS += -L/usr/local/lib
	HAVE_PATHS_H = YesPlease
endif
ifeq ($(uname_S),MirBSD)
	NO_STRCASESTR = YesPlease
	NO_MEMMEM = YesPlease
	USE_ST_TIMESPEC = YesPlease
	NEEDS_LIBICONV = YesPlease
	HAVE_PATHS_H = 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 $(CC_LD_DYNPATH)/usr/pkg/lib
	USE_ST_TIMESPEC = YesPlease
	NO_MKSTEMPS = YesPlease
	HAVE_PATHS_H = YesPlease
endif
ifeq ($(uname_S),AIX)
	DEFAULT_PAGER = more
	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
	BASIC_CFLAGS += -D_LARGE_FILES
	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
	NO_STRLCPY = YesPlease
	NO_MKSTEMPS = YesPlease
	HAVE_PATHS_H = YesPlease
	LIBC_CONTAINS_LIBINTL = YesPlease
endif
ifeq ($(uname_S),IRIX)
	NO_SETENV = YesPlease
	NO_UNSETENV = YesPlease
	NO_STRCASESTR = YesPlease
	NO_MEMMEM = YesPlease
	NO_MKSTEMPS = YesPlease
	NO_MKDTEMP = YesPlease
	# When compiled with the MIPSpro 7.4.4m compiler, and without pthreads
	# (i.e. NO_PTHREADS is set), and _with_ MMAP (i.e. NO_MMAP is not set),
	# git dies with a segmentation fault when trying to access the first
	# entry of a reflog.  The conservative choice is made to always set
	# NO_MMAP.  If you suspect that your compiler is not affected by this
	# issue, comment out the NO_MMAP statement.
	NO_MMAP = YesPlease
	NO_REGEX = YesPlease
	SNPRINTF_RETURNS_BOGUS = YesPlease
	SHELL_PATH = /usr/gnu/bin/bash
	NEEDS_LIBGEN = YesPlease
endif
ifeq ($(uname_S),IRIX64)
	NO_SETENV = YesPlease
	NO_UNSETENV = YesPlease
	NO_STRCASESTR = YesPlease
	NO_MEMMEM = YesPlease
	NO_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_REGEX = YesPlease
	SNPRINTF_RETURNS_BOGUS = YesPlease
	SHELL_PATH = /usr/gnu/bin/bash
	NEEDS_LIBGEN = YesPlease
endif
ifeq ($(uname_S),HP-UX)
	INLINE = __inline
	NO_IPV6 = YesPlease
	NO_SETENV = YesPlease
	NO_STRCASESTR = YesPlease
	NO_MEMMEM = YesPlease
	NO_MKSTEMPS = YesPlease
	NO_STRLCPY = YesPlease
	NO_MKDTEMP = YesPlease
	NO_UNSETENV = YesPlease
	NO_HSTRERROR = YesPlease
	NO_SYS_SELECT_H = YesPlease
	SNPRINTF_RETURNS_BOGUS = YesPlease
	NO_NSEC = YesPlease
	ifeq ($(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 = ;
	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_UNSETENV = YesPlease
	NO_STRCASESTR = YesPlease
	NO_STRLCPY = YesPlease
	NO_MEMMEM = YesPlease
	# NEEDS_LIBICONV = YesPlease
	NO_ICONV = YesPlease
	NO_STRTOUMAX = YesPlease
	NO_MKDTEMP = YesPlease
	NO_MKSTEMPS = YesPlease
	SNPRINTF_RETURNS_BOGUS = YesPlease
	NO_SVN_TESTS = YesPlease
	RUNTIME_PREFIX = 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_GETTEXT = YesPlease
	NO_PYTHON = YesPlease
	BLK_SHA1 = YesPlease
	ETAGS_TARGET = ETAGS
	NO_INET_PTON = YesPlease
	NO_INET_NTOP = YesPlease
	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. -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/winansi.o \
		compat/win32/pthread.o compat/win32/syslog.o \
		compat/win32/dirent.o
	COMPAT_CFLAGS = -D__USE_MINGW_ACCESS -DNOGDI -DHAVE_STRING_H -DHAVE_ALLOCA_H -Icompat -Icompat/regex -Icompat/win32 -DSTRIP_EXTENSION=\".exe\"
	BASIC_LDFLAGS = -IGNORE:4217 -IGNORE:4049 -NOLOGO -SUBSYSTEM:CONSOLE -NODEFAULTLIB:MSVCRT.lib
	EXTLIBS = user32.lib advapi32.lib shell32.lib wininet.lib ws2_32.lib invalidcontinue.obj
	PTHREAD_LIBS =
	lib =
ifndef DEBUG
	BASIC_CFLAGS += -GL -Os -MT
	BASIC_LDFLAGS += -LTCG
	AR += -LTCG
else
	BASIC_CFLAGS += -Zi -MTd
endif
	X = .exe
endif
ifeq ($(uname_S),Interix)
	NO_INITGROUPS = YesPlease
	NO_IPV6 = YesPlease
	NO_MEMMEM = YesPlease
	NO_MKDTEMP = YesPlease
	NO_STRTOUMAX = YesPlease
	NO_NSEC = YesPlease
	NO_MKSTEMPS = YesPlease
	ifeq ($(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_IDN_WITH_CURL = YesPlease
	NEEDS_SSL_WITH_CURL = 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
	# 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
	# We'd want it to be here.
	prefix = /usr/local
	# Our's are in ${prefix}/bin (perl might also be in /usr/bin/perl).
	PERL_PATH = ${prefix}/bin/perl
	PYTHON_PATH = ${prefix}/bin/python

	# As detected by './configure'.
	# Missdetected, hence commented out, see below.
	#NO_CURL = YesPlease
	# Added manually, see above.
	NEEDS_SSL_WITH_CURL = 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_HSTRERROR = YesPlease
	NO_STRCASESTR = YesPlease
	NO_MEMMEM = YesPlease
	NO_STRLCPY = YesPlease
	NO_SETENV = YesPlease
	NO_UNSETENV = YesPlease
	NO_MKDTEMP = YesPlease
	NO_MKSTEMPS = YesPlease
	# Currently libiconv-1.9.1.
	OLD_ICONV = UnfortunatelyYes
	NO_REGEX = YesPlease
	NO_PTHREADS = 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/local/bin/bash
	# as of H06.25/J06.14, we might better use this
	#SHELL_PATH = /usr/coreutils/bin/bash
endif
ifneq (,$(findstring MINGW,$(uname_S)))
	pathsep = ;
	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_UNSETENV = YesPlease
	NO_STRCASESTR = YesPlease
	NO_STRLCPY = YesPlease
	NO_MEMMEM = YesPlease
	NEEDS_LIBICONV = YesPlease
	NO_STRTOUMAX = YesPlease
	NO_MKDTEMP = YesPlease
	NO_MKSTEMPS = YesPlease
	NO_SVN_TESTS = YesPlease
	NO_PERL_MAKEMAKER = YesPlease
	RUNTIME_PREFIX = 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_PYTHON = YesPlease
	BLK_SHA1 = YesPlease
	ETAGS_TARGET = ETAGS
	NO_INET_PTON = YesPlease
	NO_INET_NTOP = YesPlease
	NO_POSIX_GOODIES = UnfortunatelyYes
	DEFAULT_HELP_FORMAT = html
	COMPAT_CFLAGS += -D__USE_MINGW_ACCESS -D_USE_32BIT_TIME_T -DNOGDI -Icompat -Icompat/win32
	COMPAT_CFLAGS += -DSTRIP_EXTENSION=\".exe\"
	COMPAT_OBJS += compat/mingw.o compat/winansi.o \
		compat/win32/pthread.o compat/win32/syslog.o \
		compat/win32/dirent.o
	BASIC_LDFLAGS += -Wl,--large-address-aware
	EXTLIBS += -lws2_32
	GITLIBS += git.res
	PTHREAD_LIBS =
	RC = windres -O coff
	NATIVE_CRLF = YesPlease
	X = .exe
	SPARSE_FLAGS = -Wno-one-bit-signed-bitfield
ifneq (,$(wildcard ../THIS_IS_MSYSGIT))
	htmldir = doc/git/html/
	prefix =
	INSTALL = /bin/install
	EXTLIBS += /mingw/lib/libz.a
	NO_R_TO_GCC_LINKER = YesPlease
	INTERNAL_QSORT = YesPlease
	HAVE_LIBCHARSET_H = YesPlease
	NO_GETTEXT = YesPlease
else
	NO_CURL = YesPlease
endif
endif
ifeq ($(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_MKSTEMPS = YesPlease
	NO_NSEC = YesPlease
	NO_PTHREADS = YesPlease
	NO_R_TO_GCC_LINKER = YesPlease
	NO_STRCASESTR = YesPlease
	NO_STRLCPY = YesPlease
endif