add osxcross files

AUTHORS

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+N: Thomas Poechtrager
+E: [email protected]
+D: OSXCross, cctools/ld64 port
+
+N: Cjacker
+W: https://code.google.com/p/ios-toolchain-based-on-clang-for-linux
+D: cctools/ld64 port
+
+N: Don Bright
+E: [email protected]
+D: tools/get_dependencies.sh
+
+N: Marcel Wysocki
+D: Initial MacPorts script (https://github.com/maci0/pmmacports)

CHANGELOG

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+/****************************** v1.3 *********************************/
+
+Added:
+ * Support for arm64 and arm64e targets
+
+Changed:
+ * Updated TAPI library to 1100.0.11
+
+/****************************** v1.2 *********************************/
+
+Added:
+ * Support for ld64 '-lto_library <path>'
+
+Changed:
+ * Updated cctools to 949.0.1 and ld64 to 512.4
+
+Removed:
+ * Support for <= 10.5 SDKs. Use 'osxcross-1.1' branch for these.
+
+
+/****************************** v1.1 *********************************/
+
+Added:
+ * ... back support for OpenBSD
+
+Changed:
+ * Updated cctools to 927.0.2 and ld64 to 450.3
+ * TARGET_DIR can now be configured via env
+   (TARGET_DIR=<path> ./build.sh)
+ * Various other improvements and fixes
+
+/****************************** v1.0 *********************************/
+
+Added:
+ * Support for TAPIv3 stubs (including "zippering" target)
+ * Support for macOS SDKs up to 10.15
+ * SDK packaging script for ".xip" Xcode images
+   -> tools/gen_sdk_package_pbzx.sh <xcode.xip> 
+   --> tested up to Xcode 10.2.1
+
+Fixed:
+ * Implemented fix for https://github.com/tpoechtrager/osxcross/issues/171
+ * Implemented fix for https://github.com/tpoechtrager/osxcross/issues/178
+ * Implemented fix for https://github.com/tpoechtrager/osxcross/issues/182
+
+Changed:
+ * cctools, ld64, apple-libtapi and xar are now "git clone"'d
+   and no longer come with OSXCross.
+ * Updated cctools to 921 and ld64 to 409.12
+
+Removed:
+ * Support for Cygwin and *BSD (besides FreeBSD)
+ * Support for building OSXCross with GCC
+
+/****************************** v0.15 ********************************/
+
+Changed:
+ * Updated cctools to 895
+ * Updated ld64 to 274.2 (without TAPIv2 support)
+
+Added:
+ * Support for ThinLTO:
+   -> https://clang.llvm.org/docs/ThinLTO.html
+   -> http://blog.llvm.org/2016/06/thinlto-scalable-and-incremental-lto.html
+   -> Requires LLVM/Clang >= 3.8. LLVM/Clang >= 3.9 is recommended.
+ * USE_CLANG_AS build.sh option:
+   -> Use Clang as assembler.
+
+/****************************** v0.14 ********************************/
+
+Changed:
+ * Updated cctools to 886
+ * Updated ld64 to 264.3.102
+
+/****************************** v0.13 ********************************/
+
+Changed:
+ * Updated cctools to 877.8
+ * Updated ld64 to 253.9
+
+/****************************** v0.12 ********************************/
+
+Changed:
+ * Updated cctools to 877.5
+ * Updated ld64 to 253.3
+
+Added:
+ * Support for Xcode 7.x / El Capitan
+
+/****************************** v0.11 ********************************/
+
+Changed:
+ * '-oc-use-GCC-libs' has been renamed to '-foc-use-GCC-libstdc++'
+ * Support for generating fat object files with GCC and '-foc-use-GCC-libstdc++'
+   has been removed.
+ * Support for setting the language standard via
+  'OSXCROSS_C_STANDARD' / 'OSXCROSS_CXX_STANDARD' (env) has been removed
+
+Added:
+ * Support for '-stdc++' and '-gstdc++' compiler "shortcuts"
+   o32-clang++ --> uses libstdc++ for <= 10.8 and libc++ for >= 10.9
+   o32-clang++-libc++ --> uses the SDK's libc++
+   o32-clang++-stdc++ --> uses the SDK's libstdc++
+   o32-clang++-gstdc++ --> uses GCC's (build_GCC.sh) libstdc++
+ * Unit tests (wrapper)
+ * llvm-dsymutil build script
+ * dsymutil is now wrapped to llvm-dsymutil (LLVM >= 3.8 only)
+
+/****************************** v0.10 ********************************/
+
+Changed:
+ * Improved and colorized wrapper error/warning/debug/info messages
+ * Updated cctools to 870
+ * Updated ld64 to 242
+
+Added:
+ * Windows support via Cygwin
+ * OpenBSD and DragonFlyBSD support
+ * Linux ARM support
+ * Linux PPC/PPC64 support: Totally untested, but compiles
+ * GCC compiler support: OSXCross can now be built with GCC
+ * 'osxcross-man' man page tool
+ * p7zip sdk packaging script
+ * A minimalistic xcrun tool
+ * Support for ccache symlinks
+ * darling-dmg sdk packaging script
+ * include path warnings for /usr/include and /usr/local/include
+   (can be switched off via 'OSXCROSS_NO_INCLUDE_PATH_WARNINGS=1')
+ * An option to silence osxcross extension warnings
+   (OSXCROSS_NO_EXTENSION_WARNINGS=1)
+
+/******************************* v0.9 *******************************/
+
+Changed:
+ * Updated cctools to 862
+ * Updated ld64 to 241.9
+
+Added:
+ * binutils / gdb build script
+ * OSXCROSS_GCC_NO_STATIC_RUNTIME option (env)
+ * osxcross-macports: A minimalistic macports packet manager
+
+/******************************* v0.8 *******************************/
+
+Changed:
+ * Updated cctools to 855
+ * Updated ld64 to 236.3
+ * GCC 4.9.0 -> GCC 4.9.2
+
+Added:
+ * Support for new '-arch x86_64h' (requires Clang 3.5+)
+ * Support for multiple '-arch' flags with GCC
+ * Scripts to make sdk extraction possible on linux (xcode 4.2 only)
+ * OS X 10.10 support (DP1)
+ * pkg-config wrapper
+
+/******************************* v0.7 *******************************/
+
+Added:
+ * New compiler wrapper written in C++
+ * '-oc-use-GCC-libs' option (uses './build_GCC.sh' libstdc++)
+ * 10.6 SDK support (10.4-10.9 are all supported now)
+ * 'sw_vers' tool, which is required by some projects
+ * '-stdlib=' support for GCC (as an extension through the wrapper)
+ * 'OSXCROSS_C_STANDARD' env var (set C standard globally)
+ * 'OSXCROSS_CXX_STANDARD' env var (set C++ standard globally)
+ * macOS support (as host)
+
+Changed:
+ * 'osxcross-conf', 'osxcross-env' and the (fake) 'dsymutil' are now
+   implemented in the wrapper
+ * <arch>-apple-darwinXX-cc/c++ defaults now to Clang
+ * Switched to two-space indents
+ * GCC 4.8.2 -> GCC 4.9.0
+
+fixed:
+ * 'MACOSX_DEPLOYMENT_TARGET' env var is now handled correctly
+
+/******************************* v0.6 *******************************/
+
+Added:
+ * NetBSD support
+ * Dependencies installer script (Don Bright)
+ * SDK packaging script
+
+/******************************* v0.5 *******************************/
+
+Added:
+ * libc++ support (for both, Clang and GCC)
+ * FreeBSD support
+
+Changed:
+ * Attempt to make the toolchain less path dependent
+ * Updated cctools to 845
+
+fixed:
+ * Help Clang to find its own intrinsic headers
+   (this issue appears to be fixed in Clang 3.4+)
+ * Building the toolchain on 32 bit systems
+
+/******************************* v0.4 *******************************/
+
+Added:
+ * GCC build script
+ * A workaround for buggy unistd.h headers
+
+/******************************* v0.3 *******************************/
+
+Added:
+ * 10.9 SDK support
+ * *-apple-darwin*-clang* symlinks (same as invoking oXX-clang)
+
+Changed:
+ * No need to build extra cctools binaries for targeting i386,
+   symlinking the x86_64 builds works as well
+
+/******************************* v0.2 *******************************/
+
+Added:
+ * A check for broken unistd.h
+ * Comments to build.sh
+
+Changed:
+ * Updated cctools to 839 with ld64-134.9
+
+Fixed:
+ * Check if macOS package is present in tarballs
+
+/******************************* v0.1 *******************************/
+
+initial commit.