Move the definition of LLVM_SUPPORT_XCODE_SIGNPOSTS into llvm-config.h

since it is now used by a public header file (Signposts.h).
This fixes the standalone LLDB build.

include/llvm/Config/config.h.cmake

@@ -350,9 +350,6 @@
 /* Define to the default GlobalISel coverage file prefix */
 #cmakedefine LLVM_GISEL_COV_PREFIX "${LLVM_GISEL_COV_PREFIX}"
 
-/* Whether Timers signpost passes in Xcode Instruments */
-#cmakedefine01 LLVM_SUPPORT_XCODE_SIGNPOSTS
-
 #cmakedefine HAVE_PROC_PID_RUSAGE 1
 
 #endif

include/llvm/Config/llvm-config.h.cmake

@@ -97,4 +97,8 @@
 /* Define if the xar_open() function is supported on this platform. */
 #cmakedefine LLVM_HAVE_LIBXAR ${LLVM_HAVE_LIBXAR}
 
+/* Whether Timers signpost passes in Xcode Instruments */
+#cmakedefine01 LLVM_SUPPORT_XCODE_SIGNPOSTS
+
+
 #endif

include/llvm/Support/Signposts.h

@@ -18,7 +18,7 @@
 #define LLVM_SUPPORT_SIGNPOSTS_H
 
 #include "llvm/ADT/StringRef.h"
-#include "llvm/Config/config.h"
+#include "llvm/Config/llvm-config.h"
 #include <memory>
 
 #if LLVM_SUPPORT_XCODE_SIGNPOSTS

lib/Support/Signposts.cpp

@@ -13,7 +13,7 @@
 #if LLVM_SUPPORT_XCODE_SIGNPOSTS
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/Support/Mutex.h"
-#endif // if LLVM_SUPPORT_XCODE_SIGNPOSTS
+#endif
 
 using namespace llvm;