Add premake config and generated files

.gitignore

@@ -95,3 +95,39 @@ a.out
 MinSizeRel
 RelWithDebInfo
 /_deps/googletest*
+
+# RTC ignores
+# Premake generated files #
+###########################
+*.vcxproj*
+*.sln
+Makefile
+
+# OS generated files #
+######################
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+.project
+
+# VS generated files #
+######################
+ipch/
+*.suo
+*.opensdf
+*.sdf
+*.vcxproj
+*.filters
+*.user
+
+# Qt files
+###########################
+*.config
+*.creator
+*.files
+*.includes
+moc/

conanfile_rtc.py

@@ -0,0 +1,25 @@
+from conans import ConanFile
+
+
+class ZlibNgConan(ConanFile):
+    name = "zlib-ng"
+    version = "2.1.6"
+    url = "https://github.com/Esri/zlib-ng/tree/runtimecore"
+    license = "https://github.com/Esri/zlib-ng/blob/runtimecore/LICENSE.md"
+    description = "zlib replacement with optimizations for \"next generation\" systems."
+
+    # RTC specific triple
+    settings = "platform_architecture_target"
+
+    def package(self):
+        base = self.source_folder + "/"
+        relative = "3rdparty/zlib-ng/"
+
+        # headers
+        self.copy("zlib.h", src=base, dst=relative)
+        self.copy("zconf.h", src=base, dst=relative)
+        self.copy("zlib_name_mangling.h", src=base, dst=relative)
+
+        # libraries
+        output = "output/" + str(self.settings.platform_architecture_target) + "/staticlib"
+        self.copy("*" + self.name + "*", src=base + "../../" + output, dst=output)

zconf.h

@@ -0,0 +1,213 @@
+/* zconf.h -- configuration of the zlib compression library
+ * Copyright (C) 1995-2016 Jean-loup Gailly, Mark Adler
+ * For conditions of distribution and use, see copyright notice in zlib.h
+ */
+
+#ifndef ZCONF_H
+#define ZCONF_H
+
+#include "zlib_name_mangling.h"
+
+#if !defined(_WIN32) && defined(__WIN32__)
+#  define _WIN32
+#endif
+
+/* Clang macro for detecting declspec support
+ * https://clang.llvm.org/docs/LanguageExtensions.html#has-declspec-attribute
+ */
+#ifndef __has_declspec_attribute
+#  define __has_declspec_attribute(x) 0
+#endif
+
+#if defined(ZLIB_CONST) && !defined(z_const)
+#  define z_const const
+#else
+#  define z_const
+#endif
+
+/* Maximum value for memLevel in deflateInit2 */
+#ifndef MAX_MEM_LEVEL
+#  define MAX_MEM_LEVEL 9
+#endif
+
+/* Maximum value for windowBits in deflateInit2 and inflateInit2.
+ * WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
+ * created by gzip. (Files created by minigzip can still be extracted by
+ * gzip.)
+ */
+#ifndef MIN_WBITS
+#  define MIN_WBITS   8  /* 256 LZ77 window */
+#endif
+#ifndef MAX_WBITS
+#  define MAX_WBITS   15 /* 32K LZ77 window */
+#endif
+
+/* The memory requirements for deflate are (in bytes):
+            (1 << (windowBits+2)) +  (1 << (memLevel+9))
+ that is: 128K for windowBits=15  +  128K for memLevel = 8  (default values)
+ plus a few kilobytes for small objects. For example, if you want to reduce
+ the default memory requirements from 256K to 128K, compile with
+     make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
+ Of course this will generally degrade compression (there's no free lunch).
+
+   The memory requirements for inflate are (in bytes) 1 << windowBits
+ that is, 32K for windowBits=15 (default value) plus about 7 kilobytes
+ for small objects.
+*/
+
+/* Type declarations */
+
+
+#ifndef OF /* function prototypes */
+#  define OF(args)  args
+#endif
+
+#ifdef ZLIB_INTERNAL
+#  define Z_INTERNAL ZLIB_INTERNAL
+#endif
+
+/* If building or using zlib as a DLL, define ZLIB_DLL.
+ * This is not mandatory, but it offers a little performance increase.
+ */
+//#if defined(ZLIB_DLL) && (defined(_WIN32) || (__has_declspec_attribute(dllexport) && __has_declspec_attribute(dllimport)))
+//#  ifdef Z_INTERNAL
+//#    define Z_EXTERN extern __declspec(dllexport)
+//#  else
+//#    define Z_EXTERN extern __declspec(dllimport)
+//#  endif
+//#endif
+
+/* If building or using zlib with the WINAPI/WINAPIV calling convention,
+ * define ZLIB_WINAPI.
+ * Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI.
+ */
+#if defined(ZLIB_WINAPI) && defined(_WIN32)
+#  ifndef WIN32_LEAN_AND_MEAN
+#    define WIN32_LEAN_AND_MEAN
+#  endif
+#  include <windows.h>
+   /* No need for _export, use ZLIB.DEF instead. */
+   /* For complete Windows compatibility, use WINAPI, not __stdcall. */
+#  define Z_EXPORT WINAPI
+#  define Z_EXPORTVA WINAPIV
+#endif
+
+#ifndef Z_EXTERN
+#  define Z_EXTERN extern
+#endif
+#ifndef Z_EXPORT
+#  define Z_EXPORT
+#endif
+#ifndef Z_EXPORTVA
+#  define Z_EXPORTVA
+#endif
+
+/* Conditional exports */
+#define ZNG_CONDEXPORT Z_INTERNAL
+
+/* For backwards compatibility */
+
+#ifndef ZEXTERN
+#  define ZEXTERN Z_EXTERN
+#endif
+#ifndef ZEXPORT
+#  define ZEXPORT Z_EXPORT
+#endif
+#ifndef ZEXPORTVA
+#  define ZEXPORTVA Z_EXPORTVA
+#endif
+#ifndef FAR
+#  define FAR
+#endif
+
+/* Legacy zlib typedefs for backwards compatibility. Don't assume stdint.h is defined. */
+typedef unsigned char Byte;
+typedef Byte Bytef;
+
+typedef unsigned int   uInt;  /* 16 bits or more */
+typedef unsigned long  uLong; /* 32 bits or more */
+
+typedef char  charf;
+typedef int   intf;
+typedef uInt  uIntf;
+typedef uLong uLongf;
+
+typedef void const *voidpc;
+typedef void       *voidpf;
+typedef void       *voidp;
+
+typedef unsigned int z_crc_t;
+
+// Begin RTC changes
+// This define is usually configured by cmake. We need to configure it manually.
+#if !defined(RTC_WINDOWS_FAMILY)
+#  define HAVE_UNISTD_H
+#endif
+// End RTC changes
+
+#ifdef HAVE_UNISTD_H    /* may be set to #if 1 by configure/cmake/etc */
+#  define Z_HAVE_UNISTD_H
+#endif
+
+#ifdef NEED_PTRDIFF_T    /* may be set to #if 1 by configure/cmake/etc */
+typedef PTRDIFF_TYPE ptrdiff_t;
+#endif
+
+#include <sys/types.h>      /* for off_t */
+
+#include <stddef.h>         /* for wchar_t and NULL */
+
+/* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and
+ * "#define _LARGEFILE64_SOURCE 1" as requesting 64-bit operations, (even
+ * though the former does not conform to the LFS document), but considering
+ * both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as
+ * equivalently requesting no 64-bit operations
+ */
+#if defined(_LARGEFILE64_SOURCE) && -_LARGEFILE64_SOURCE - -1 == 1
+#  undef _LARGEFILE64_SOURCE
+#endif
+
+#if defined(Z_HAVE_UNISTD_H) || defined(_LARGEFILE64_SOURCE)
+#  include <unistd.h>         /* for SEEK_*, off_t, and _LFS64_LARGEFILE */
+#  ifndef z_off_t
+#    define z_off_t off_t
+#  endif
+#endif
+
+#if defined(_LFS64_LARGEFILE) && _LFS64_LARGEFILE-0
+#  define Z_LFS64
+#endif
+
+#if defined(_LARGEFILE64_SOURCE) && defined(Z_LFS64)
+#  define Z_LARGE64
+#endif
+
+#if defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS-0 == 64 && defined(Z_LFS64)
+#  define Z_WANT64
+#endif
+
+#if !defined(SEEK_SET)
+#  define SEEK_SET        0       /* Seek from beginning of file.  */
+#  define SEEK_CUR        1       /* Seek from current position.  */
+#  define SEEK_END        2       /* Set file pointer to EOF plus "offset" */
+#endif
+
+#ifndef z_off_t
+#  define z_off_t long
+#endif
+
+#if !defined(_WIN32) && defined(Z_LARGE64)
+#  define z_off64_t off64_t
+#else
+#  if defined(__MSYS__)
+#    define z_off64_t _off64_t
+#  elif defined(_WIN32) && !defined(__GNUC__)
+#    define z_off64_t __int64
+#  else
+#    define z_off64_t z_off_t
+#  endif
+#endif
+
+typedef size_t z_size_t;
+
+#endif /* ZCONF_H */

zlib-ng.lua

@@ -0,0 +1,80 @@
+project "zlib-ng"
+
+dofile(_BUILD_DIR .. "/static_library.lua")
+
+configuration { "*" }
+
+uuid "76FC1997-C8C8-4D03-9853-A02FEBFC0043"
+
+includedirs {
+  ".",
+}
+
+defines {
+    "ZLIB_COMPAT",
+    -- Support for gzfileops was included by default in the prev zlib library, but this functionality is not used in rtc, so safe to turn off.
+    --"WITH_GZFILEOP"
+}
+
+files  {
+    "adler32.c",
+    "adler32_fold.c",
+    "chunkset.c",
+    "compare256.c",
+    "cpu_features.c",
+    "compress.c",
+    "crc32_fold.c",
+    "crc32_braid.c",
+    "deflate.c",
+    "deflate_fast.c",
+    "deflate_huff.c",
+    "deflate_medium.c",
+    "deflate_quick.c",
+    "deflate_rle.c",
+    "deflate_slow.c",
+    "deflate_stored.c",
+    "functable.c",
+--  "gzlib.c",
+--  "gzread.c",
+--  "gzwrite.c",
+--  "infback.c",
+--  "inffast.c",
+    "inflate.c",
+    "inftrees.c",
+    "insert_string.c",
+    "insert_string_roll.c",
+    "slide_hash.c",
+    "trees.c",
+    "uncompr.c",
+    "zutil.c",
+}
+
+if (_PLATFORM_ANDROID) then
+  defines {
+    "HAVE_ATTRIBUTE_ALIGNED"
+  }
+end
+
+if (_PLATFORM_IOS) then
+  defines {
+    "HAVE_ATTRIBUTE_ALIGNED"
+  }
+end
+
+if (_PLATFORM_LINUX) then
+  defines {
+    "HAVE_ATTRIBUTE_ALIGNED"
+  }
+end
+
+if (_PLATFORM_MACOS) then
+  defines {
+    "HAVE_ATTRIBUTE_ALIGNED"
+  }
+end
+
+if (_PLATFORM_WINDOWS) then
+end
+
+if (_PLATFORM_WINUWP) then
+end