[llvm] r282767 - HAVE_UNWIND_BACKTRACE -> HAVE__UNWIND_BACKTRACE

[Joerg Sonnenberger via llvm-commits]

Author: joerg
Date: Thu Sep 29 16:07:57 2016
New Revision: 282767

URL: http://llvm.org/viewvc/llvm-project?rev=282767&view=rev
Log:
HAVE_UNWIND_BACKTRACE -> HAVE__UNWIND_BACKTRACE
Check for existance and not truth value.

Modified:
    llvm/trunk/cmake/config-ix.cmake
    llvm/trunk/include/llvm/Config/config.h.cmake
    llvm/trunk/lib/Support/Unix/Signals.inc

Modified: llvm/trunk/cmake/config-ix.cmake
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/cmake/config-ix.cmake?rev=282767&r1=282766&r2=282767&view=diff
==============================================================================
--- llvm/trunk/cmake/config-ix.cmake (original)
+++ llvm/trunk/cmake/config-ix.cmake Thu Sep 29 16:07:57 2016
@@ -149,7 +149,7 @@ endif()
 # function checks
 check_symbol_exists(arc4random "stdlib.h" HAVE_DECL_ARC4RANDOM)
 check_symbol_exists(backtrace "execinfo.h" HAVE_BACKTRACE)
-check_symbol_exists(_Unwind_Backtrace "unwind.h" HAVE_UNWIND_BACKTRACE)
+check_symbol_exists(_Unwind_Backtrace "unwind.h" HAVE__UNWIND_BACKTRACE)
 check_symbol_exists(getpagesize unistd.h HAVE_GETPAGESIZE)
 check_symbol_exists(getrusage sys/resource.h HAVE_GETRUSAGE)
 check_symbol_exists(setrlimit sys/resource.h HAVE_SETRLIMIT)

Modified: llvm/trunk/include/llvm/Config/config.h.cmake
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Config/config.h.cmake?rev=282767&r1=282766&r2=282767&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Config/config.h.cmake (original)
+++ llvm/trunk/include/llvm/Config/config.h.cmake Thu Sep 29 16:07:57 2016
@@ -340,7 +340,7 @@
 #cmakedefine HAVE_UNISTD_H ${HAVE_UNISTD_H}
 
 /* Define to 1 if you have the `_Unwind_Backtrace' function. */
-#cmakedefine HAVE_UNWIND_BACKTRACE ${HAVE_UNWIND_BACKTRACE}
+#cmakedefine HAVE__UNWIND_BACKTRACE ${HAVE__UNWIND_BACKTRACE}
 
 /* Define to 1 if you have the <utime.h> header file. */
 #cmakedefine HAVE_UTIME_H ${HAVE_UTIME_H}

Modified: llvm/trunk/lib/Support/Unix/Signals.inc
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/Unix/Signals.inc?rev=282767&r1=282766&r2=282767&view=diff
==============================================================================
--- llvm/trunk/lib/Support/Unix/Signals.inc (original)
+++ llvm/trunk/lib/Support/Unix/Signals.inc Thu Sep 29 16:07:57 2016
@@ -43,7 +43,7 @@
 #if HAVE_LINK_H
 #include <link.h>
 #endif
-#if HAVE_UNWIND_BACKTRACE
+#ifdef HAVE__UNWIND_BACKTRACE
 // FIXME: We should be able to use <unwind.h> for any target that has an
 // _Unwind_Backtrace function, but on FreeBSD the configure test passes
 // despite the function not existing, and on Android, <unwind.h> conflicts
@@ -51,7 +51,7 @@
 #ifdef __GLIBC__
 #include <unwind.h>
 #else
-#undef HAVE_UNWIND_BACKTRACE
+#undef HAVE__UNWIND_BACKTRACE
 #endif
 #endif
 
@@ -355,7 +355,7 @@ static bool findModulesAndOffsets(void *
 }
 #endif // defined(HAVE_BACKTRACE) && defined(ENABLE_BACKTRACES) && ...
 
-#if defined(ENABLE_BACKTRACES) && defined(HAVE_UNWIND_BACKTRACE)
+#if defined(ENABLE_BACKTRACES) && defined(HAVE__UNWIND_BACKTRACE)
 static int unwindBacktrace(void **StackTrace, int MaxEntries) {
   if (MaxEntries < 0)
     return 0;
@@ -401,7 +401,7 @@ void llvm::sys::PrintStackTrace(raw_ostr
   if (!depth)
     depth = backtrace(StackTrace, static_cast<int>(array_lengthof(StackTrace)));
 #endif
-#if defined(HAVE_UNWIND_BACKTRACE)
+#if defined(HAVE__UNWIND_BACKTRACE)
   // Try _Unwind_Backtrace() if backtrace() failed.
   if (!depth)
     depth = unwindBacktrace(StackTrace,