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Add an --enable-backtraces option to configure to determine

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whether or not we want to print out backtrace information. Useful
for libraries that don't need backtrace information on a crash.

rdar://11844710

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164426 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher
2012-09-21 23:03:29 +00:00
parent c912494855
commit c69bdadac9
4 changed files with 47 additions and 2 deletions
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2
lib/Support/Unix/Signals.inc
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@@ -243,7 +243,7 @@ void llvm::sys::AddSignalHandler(void (*FnPtr)(void *), void *Cookie) {
// On glibc systems we have the 'backtrace' function, which works nicely, but
// doesn't demangle symbols.
static void PrintStackTrace(void *) {
#ifdef HAVE_BACKTRACE
#if defined(HAVE_BACKTRACE) && defined(ENABLE_BACKTRACE)
static void* StackTrace[256];
// Use backtrace() to output a backtrace on Linux systems with glibc.
int depth = backtrace(StackTrace,