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+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#######################################################################
+# Master "Core Components" macros for getting the OS architecture #
+# defines these symbols:
+# OS_ARCH (from uname -r)
+# OS_TEST (from uname -m)
+# OS_RELEASE (from uname -v and/or -r)
+# OS_TARGET User defined, or set to OS_ARCH
+# CPU_ARCH (from unmame -m or -p, ONLY on WINNT)
+# OS_CONFIG OS_TARGET + OS_RELEASE
+# OBJDIR_TAG (uses ASAN_TAG, GCOV_TAG, 64BIT_TAG)
+# OBJDIR_NAME
+#######################################################################
+
+#
+# Macros for getting the OS architecture
+#
+
+OS_ARCH := $(subst /,_,$(shell uname -s))
+
+#
+# Attempt to differentiate between sparc and x86 Solaris
+#
+
+OS_TEST := $(shell uname -m)
+ifeq ($(OS_TEST),i86pc)
+ OS_RELEASE := $(shell uname -r)_$(OS_TEST)
+else
+ OS_RELEASE := $(shell uname -r)
+endif
+
+#
+# Force the IRIX64 machines to use IRIX.
+#
+
+ifeq ($(OS_ARCH),IRIX64)
+ OS_ARCH = IRIX
+endif
+
+#
+# Force the older BSD/OS versions to use the new arch name.
+#
+
+ifeq ($(OS_ARCH),BSD_386)
+ OS_ARCH = BSD_OS
+endif
+
+#
+# Catch Deterim if SVR4 is NCR or UNIXWARE
+#
+
+ifeq ($(OS_ARCH),UNIX_SV)
+ ifneq ($(findstring NCR, $(shell grep NCR /etc/bcheckrc | head -1 )),)
+ OS_ARCH = NCR
+ else
+ # Make UnixWare something human readable
+ OS_ARCH = UNIXWARE
+ endif
+
+ # Get the OS release number, not 4.2
+ OS_RELEASE := $(shell uname -v)
+endif
+
+ifeq ($(OS_ARCH),UNIX_System_V)
+ OS_ARCH = NEC
+endif
+
+ifeq ($(OS_ARCH),AIX)
+ OS_RELEASE := $(shell uname -v).$(shell uname -r)
+endif
+
+#
+# Distinguish between OSF1 V4.0B and V4.0D
+#
+
+ifeq ($(OS_ARCH)$(OS_RELEASE),OSF1V4.0)
+ OS_VERSION := $(shell uname -v)
+ ifeq ($(OS_VERSION),564)
+ OS_RELEASE := V4.0B
+ endif
+ ifeq ($(OS_VERSION),878)
+ OS_RELEASE := V4.0D
+ endif
+endif
+
+#
+# SINIX changes name to ReliantUNIX with 5.43
+#
+
+ifeq ($(OS_ARCH),ReliantUNIX-N)
+ OS_ARCH = ReliantUNIX
+ OS_RELEASE = 5.4
+endif
+
+ifeq ($(OS_ARCH),SINIX-N)
+ OS_ARCH = ReliantUNIX
+ OS_RELEASE = 5.4
+endif
+
+#
+# Handle FreeBSD 2.2-STABLE, Linux 2.0.30-osfmach3, and
+# IRIX 6.5-ALPHA-1289139620.
+#
+
+ifeq (,$(filter-out Linux FreeBSD IRIX,$(OS_ARCH)))
+ OS_RELEASE := $(shell echo $(OS_RELEASE) | sed 's/-.*//')
+endif
+
+ifeq ($(OS_ARCH),Linux)
+ OS_RELEASE := $(subst ., ,$(OS_RELEASE))
+ ifneq ($(words $(OS_RELEASE)),1)
+ OS_RELEASE := $(word 1,$(OS_RELEASE)).$(word 2,$(OS_RELEASE))
+ endif
+endif
+
+#
+# For OS/2
+#
+ifeq ($(OS_ARCH),OS_2)
+ OS_ARCH = OS2
+ OS_RELEASE := $(shell uname -v)
+endif
+
+#######################################################################
+# Master "Core Components" macros for getting the OS target #
+#######################################################################
+
+#
+# Note: OS_TARGET should be specified on the command line for gmake.
+# When OS_TARGET=WIN95 is specified, then a Windows 95 target is built.
+# The difference between the Win95 target and the WinNT target is that
+# the WinNT target uses Windows NT specific features not available
+# in Windows 95. The Win95 target will run on Windows NT, but (supposedly)
+# at lesser performance (the Win95 target uses threads; the WinNT target
+# uses fibers).
+#
+# If OS_TARGET is not specified, it defaults to $(OS_ARCH), i.e., no
+# cross-compilation, except on Windows, where it defaults to WIN95.
+#
+
+#
+# On WIN32, we also define the variable CPU_ARCH, if it isn't already.
+#
+ifndef CPU_ARCH
+ ifeq ($(OS_ARCH), WINNT)
+ CPU_ARCH := $(shell uname -p)
+ ifeq ($(CPU_ARCH),I386)
+ CPU_ARCH = x386
+ endif
+ endif
+endif
+
+# If uname -s returns "Windows_NT", we assume that we are using
+# the uname.exe in MKS toolkit.
+#
+# The -r option of MKS uname only returns the major version number.
+# So we need to use its -v option to get the minor version number.
+# Moreover, it doesn't have the -p option, so we need to use uname -m.
+#
+ifeq ($(OS_ARCH), Windows_NT)
+ OS_ARCH = WINNT
+ OS_MINOR_RELEASE := $(shell uname -v)
+ # strip leading 0
+ OS_MINOR_RELEASE := $(patsubst 0%,%,$(OS_MINOR_RELEASE))
+ OS_RELEASE := $(OS_RELEASE).$(OS_MINOR_RELEASE)
+ ifndef CPU_ARCH
+ CPU_ARCH := $(shell uname -m)
+ #
+ # MKS's uname -m returns "586" on a Pentium machine.
+ #
+ ifneq (,$(findstring 86,$(CPU_ARCH)))
+ CPU_ARCH = x386
+ endif
+ endif
+endif
+#
+# If uname -s returns "CYGWIN_NT-*", we assume that we are using
+# the uname.exe in the Cygwin tools.
+#
+ifeq (CYGWIN_NT,$(findstring CYGWIN_NT,$(OS_ARCH)))
+ OS_RELEASE := $(patsubst CYGWIN_NT-%,%,$(OS_ARCH))
+ OS_ARCH = WINNT
+ ifndef CPU_ARCH
+ ifeq (WOW64,$(findstring WOW64,$(OS_RELEASE)))
+ OS_RELEASE := $(patsubst %-WOW64,%,$(OS_RELEASE))
+ endif
+ CPU_ARCH := $(shell uname -m)
+ #
+ # Cygwin's uname -m returns "i686" on a Pentium Pro machine.
+ #
+ ifneq (,$(findstring 86,$(CPU_ARCH)))
+ CPU_ARCH = x386
+ endif
+ endif
+endif
+#
+# If uname -s returns "MINGW*_NT-*", we assume that we are using
+# the uname.exe in the MSYS toolkit.
+#
+ifneq (,$(filter MINGW32_NT-% MINGW64_NT-%,$(OS_ARCH)))
+ OS_RELEASE := $(patsubst MINGW64_NT-%,%,$(patsubst MINGW32_NT-%,%,$(OS_ARCH)))
+ OS_ARCH = WINNT
+ USE_MSYS = 1
+ ifndef CPU_ARCH
+ CPU_ARCH := $(shell uname -m)
+ #
+ # MSYS's uname -m returns "i686" on a Pentium Pro machine.
+ #
+ ifneq (,$(filter i%86,$(CPU_ARCH)))
+ CPU_ARCH = x386
+ endif
+ endif
+endif
+
+ifeq ($(OS_TARGET),Android)
+#
+# this should be configurable from the user
+#
+ OS_TEST := arm
+ OS_ARCH = Android
+ ifndef OS_TARGET_RELEASE
+ OS_TARGET_RELEASE := 8
+ endif
+endif
+
+ifndef OS_TARGET
+ifeq ($(OS_ARCH), WINNT)
+ OS_TARGET = WIN95
+else
+ OS_TARGET = $(OS_ARCH)
+endif
+endif
+
+ifeq ($(OS_TARGET), WIN95)
+ OS_RELEASE = 4.0
+endif
+
+ifdef OS_TARGET_RELEASE
+ OS_RELEASE = $(OS_TARGET_RELEASE)
+endif
+
+#
+# This variable is used to get OS_CONFIG.mk.
+#
+
+OS_CONFIG = $(OS_TARGET)$(OS_RELEASE)
+
+#
+# OBJDIR_TAG depends on the predefined variable BUILD_OPT,
+# to distinguish between debug and release builds.
+#
+
+ifeq ($(USE_ASAN), 1)
+ ASAN_TAG = _ASAN
+else
+ ASAN_TAG =
+endif
+ifeq ($(USE_GCOV), 1)
+ GCOV_TAG = _GCOV
+else
+ GCOV_TAG =
+endif
+ifeq ($(USE_64), 1)
+ 64BIT_TAG = _64
+else
+ 64BIT_TAG =
+endif
+OBJDIR_TAG_BASE=$(ASAN_TAG)$(GCOV_TAG)$(64BIT_TAG)
+
+ifdef BUILD_OPT
+ OBJDIR_TAG = $(OBJDIR_TAG_BASE)_OPT
+else
+ ifdef BUILD_IDG
+ OBJDIR_TAG = $(OBJDIR_TAG_BASE)_IDG
+ else
+ OBJDIR_TAG = $(OBJDIR_TAG_BASE)_DBG
+ endif
+endif
+
+#
+# The following flags are defined in the individual $(OS_CONFIG).mk
+# files.
+#
+# CPU_TAG is defined if the CPU is not the most common CPU.
+# COMPILER_TAG is defined if the compiler is not the default compiler.
+# IMPL_STRATEGY may be defined too.
+#
+
+ifdef CROSS_COMPILE
+ OBJDIR_NAME_COMPILER =
+else
+ OBJDIR_NAME_COMPILER = $(COMPILER_TAG)
+endif
+OBJDIR_NAME_BASE = $(OS_TARGET)$(OS_RELEASE)$(CPU_TAG)$(OBJDIR_NAME_COMPILER)$(LIBC_TAG)$(IMPL_STRATEGY)$(OBJDIR_TAG)
+OBJDIR_NAME = $(OBJDIR_NAME_BASE).OBJ
+
+
+ifeq (,$(filter-out WIN%,$(OS_TARGET)))
+ifndef BUILD_OPT
+#
+# Define USE_DEBUG_RTL if you want to use the debug runtime library
+# (RTL) in the debug build
+#
+ifdef USE_DEBUG_RTL
+ OBJDIR_NAME = $(OBJDIR_NAME_BASE).OBJD
+endif
+endif
+endif
+
+MK_ARCH = included