Build Dota core and loader + versionlib as 64-bit.

TODO: we need both x86 and x64 of versionlib and loader.

AMBuildScript

@@ -280,6 +280,13 @@ class MMSConfig(object):
     else:
       compiler.defines += ['COMPILER_GCC']
 
+    if sdk.name == 'dota' and builder.target_platform in ['linux', 'mac']:
+      compiler.defines += ['X64BITS', 'PLATFORM_64BITS']
+      compiler.cflags.remove('-m32')
+      compiler.cflags += ['-m64', '-fPIC']
+      compiler.linkflags.remove('-m32')
+      compiler.linkflags += ['-m64']
+
     if sdk.name in ['css', 'hl2dm', 'dods', 'sdk2013', 'bms', 'tf2', 'l4d', 'nucleardawn', 'l4d2', 'dota']:
       if builder.target_platform in ['linux', 'mac']:
         compiler.defines += ['NO_HOOK_MALLOC', 'NO_MALLOC_OVERRIDE']

core/metamod_oslink.h

@@ -104,10 +104,6 @@ bool GetFileOfAddress(void *pAddr, char *buffer, size_t maxlength);
 	typedef unsigned __int32	uint32_t;
 #elif defined __GNUC__
 #include <stdint.h>
-#if !__GLIBC_HAVE_LONG_LONG
-	typedef long long			int64_t;
-	typedef unsigned long long	uint64_t;
-#endif
 #endif
 
 #if !defined __linux__ && !defined __APPLE__

loader/AMBuilder

@@ -13,6 +13,11 @@ def configure_library(name, linux_defines):
 
   if builder.target_platform == 'linux':
     binary.compiler.defines += linux_defines
+    # Temporary Source2 hack. Always build linux with -m64
+    binary.compiler.cflags.remove('-m32')
+    binary.compiler.cflags += ['-m64', '-fPIC']
+    binary.compiler.linkflags.remove('-m32')
+    binary.compiler.linkflags += ['-m64']
 
   nodes = builder.Add(binary)
   MMS.binaries += [nodes]

versionlib/AMBuildScript

@@ -6,6 +6,13 @@ lib.compiler.sourcedeps += MMS.generated_headers
 lib.sources += [
   'versionlib.cpp'
 ]
+
+# Temporary Source2 hack. Always build linux with -m64
+if builder.target_platform == 'linux':
+  lib.compiler.cflags.remove('-m32')
+  lib.compiler.cflags += ['-m64', '-fPIC']
+
+
 cmd = builder.Add(lib)
 
 rvalue = cmd.binary