Remove HAVE_LINK_H

Author: Endilll

llvm/cmake/config-ix.cmake

@@ -54,7 +54,6 @@ if (ANDROID OR DRAGONFLY OR FREEBSD OR HAIKU OR LINUX OR NETBSD OR OPENBSD OR SO
   set(HAVE_ERRNO_H 1)
   set(HAVE_FCNTL_H 1)
   set(HAVE_FENV_H 1)
-  set(HAVE_LINK_H 1)
   set(HAVE_MACH_MACH_H 0)
   set(HAVE_MALLOC_MALLOC_H 0)
   set(HAVE_PTHREAD_H 1)
@@ -74,7 +73,6 @@ elseif (AIX OR CYGWIN)
   set(HAVE_ERRNO_H 1)
   set(HAVE_FCNTL_H 1)
   set(HAVE_FENV_H 1)
-  set(HAVE_LINK_H 0)
   set(HAVE_MACH_MACH_H 0)
   set(HAVE_MALLOC_MALLOC_H 0)
   set(HAVE_PTHREAD_H 1)
@@ -94,7 +92,6 @@ elseif (APPLE)
   set(HAVE_ERRNO_H 1)
   set(HAVE_FCNTL_H 1)
   set(HAVE_FENV_H 1)
-  set(HAVE_LINK_H 0)
   set(HAVE_MACH_MACH_H 1)
   set(HAVE_MALLOC_MALLOC_H 1)
   set(HAVE_PTHREAD_H 1)
@@ -114,7 +111,6 @@ elseif (PURE_WINDOWS)
   set(HAVE_ERRNO_H 1)
   set(HAVE_FCNTL_H 1)
   set(HAVE_FENV_H 1)
-  set(HAVE_LINK_H 0)
   set(HAVE_MACH_MACH_H 0)
   set(HAVE_MALLOC_MALLOC_H 0)
   set(HAVE_PTHREAD_H 0)
@@ -135,7 +131,6 @@ elseif (ZOS)
   set(HAVE_ERRNO_H 1)
   set(HAVE_FCNTL_H 1)
   set(HAVE_FENV_H 1)
-  set(HAVE_LINK_H 0)
   set(HAVE_MACH_MACH_H 0)
   set(HAVE_MALLOC_MALLOC_H 0)
   set(HAVE_PTHREAD_H 1)
@@ -156,7 +151,6 @@ else()
   check_include_file(errno.h HAVE_ERRNO_H)
   check_include_file(fcntl.h HAVE_FCNTL_H)
   check_include_file(fenv.h HAVE_FENV_H)
-  check_include_file(link.h HAVE_LINK_H)
   check_include_file(mach/mach.h HAVE_MACH_MACH_H)
   check_include_file(malloc/malloc.h HAVE_MALLOC_MALLOC_H)
   check_include_file(pthread.h HAVE_PTHREAD_H)