2 files changed, 0 insertions, 116 deletions
diff --git a/lib/builtins/CMakeLists.txt b/lib/builtins/CMakeLists.txt
index ad9059c33..fc4384af2 100644
--- a/lib/builtins/CMakeLists.txt
+++ b/lib/builtins/CMakeLists.txt
@@ -132,7 +132,6 @@ set(GENERIC_SOURCES
   negvdi2.c
   negvsi2.c
   negvti2.c
-  os_version_check.c
   paritydi2.c
   paritysi2.c
   parityti2.c
diff --git a/lib/builtins/os_version_check.c b/lib/builtins/os_version_check.c
deleted file mode 100644
index 05edb18f9..000000000
--- a/lib/builtins/os_version_check.c
+++ /dev/null
@@ -1,115 +0,0 @@
-/* ===-- os_version_check.c - OS version checking  -------------------------===
- *
- *                     The LLVM Compiler Infrastructure
- *
- * This file is dual licensed under the MIT and the University of Illinois Open
- * Source Licenses. See LICENSE.TXT for details.
- *
- * ===----------------------------------------------------------------------===
- *
- * This file implements the function __isOSVersionAtLeast, used by
- * Objective-C's @available
- *
- * ===----------------------------------------------------------------------===
- */
-
-#ifdef __APPLE__
-
-#include <CoreFoundation/CoreFoundation.h>
-#include <Dispatch/Dispatch.h>
-#include <TargetConditionals.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-/* These three variables hold the host's OS version. */
-static int32_t GlobalMajor, GlobalMinor, GlobalSubminor;
-static dispatch_once_t DispatchOnceCounter;
-
-/* Find and parse the SystemVersion.plist file. */
-static void parseSystemVersionPList(void *Unused) {
-  (void)Unused;
-
-  char *PListPath = "/System/Library/CoreServices/SystemVersion.plist";
-
-#if TARGET_OS_SIMULATOR
-  char *PListPathPrefix = getenv("IPHONE_SIMULATOR_ROOT");
-  if (!PListPathPrefix)
-    return;
-  char FullPath[strlen(PListPathPrefix) + strlen(PListPath) + 1];
-  strcpy(FullPath, PListPathPrefix);
-  strcat(FullPath, PListPath);
-  PListPath = FullPath;
-#endif
-  FILE *PropertyList = fopen(PListPath, "r");
-  if (!PropertyList)
-    return;
-
-  /* Dynamically allocated stuff. */
-  CFDictionaryRef PListRef = NULL;
-  CFDataRef FileContentsRef = NULL;
-  UInt8 *PListBuf = NULL;
-
-  fseek(PropertyList, 0, SEEK_END);
-  long PListFileSize = ftell(PropertyList);
-  if (PListFileSize < 0)
-    goto Fail;
-  rewind(PropertyList);
-
-  PListBuf = malloc((size_t)PListFileSize);
-  if (!PListBuf)
-    goto Fail;
-
-  size_t NumRead = fread(PListBuf, 1, (size_t)PListFileSize, PropertyList);
-  if (NumRead != (size_t)PListFileSize)
-    goto Fail;
-
-  /* Get the file buffer into CF's format. We pass in a null allocator here *
-   * because we free PListBuf ourselves */
-  FileContentsRef = CFDataCreateWithBytesNoCopy(
-      NULL, PListBuf, (CFIndex)NumRead, kCFAllocatorNull);
-  if (!FileContentsRef)
-    goto Fail;
-
-  if (&CFPropertyListCreateWithData)
-    PListRef = CFPropertyListCreateWithData(
-        NULL, FileContentsRef, kCFPropertyListImmutable, NULL, NULL);
-  else
-    PListRef = CFPropertyListCreateFromXMLData(NULL, FileContentsRef,
-                                               kCFPropertyListImmutable, NULL);
-  if (!PListRef)
-    goto Fail;
-
-  CFTypeRef OpaqueValue =
-      CFDictionaryGetValue(PListRef, CFSTR("ProductVersion"));
-  if (!OpaqueValue || CFGetTypeID(OpaqueValue) != CFStringGetTypeID())
-    goto Fail;
-
-  char VersionStr[32];
-  if (!CFStringGetCString((CFStringRef)OpaqueValue, VersionStr,
-                          sizeof(VersionStr), kCFStringEncodingUTF8))
-    goto Fail;
-  sscanf(VersionStr, "%d.%d.%d", &GlobalMajor, &GlobalMinor, &GlobalSubminor);
-
-Fail:
-  if (PListRef)
-    CFRelease(PListRef);
-  if (FileContentsRef)
-    CFRelease(FileContentsRef);
-  free(PListBuf);
-  fclose(PropertyList);
-}
-
-int32_t __isOSVersionAtLeast(int32_t Major, int32_t Minor, int32_t Subminor) {
-  /* Populate the global version variables, if they haven't already. */
-  dispatch_once_f(&DispatchOnceCounter, NULL, parseSystemVersionPList);
-
-  if (Major < GlobalMajor) return 1;
-  if (Major > GlobalMajor) return 0;
-  if (Minor < GlobalMinor) return 1;
-  if (Minor > GlobalMinor) return 0;
-  return Subminor <= GlobalSubminor;
-}
-
-#endif