Make backtraces work again with both the configure and cmake build.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@164817 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer 2012-09-28 10:10:46 +00:00
parent ab16423c91
commit 53347ed2f8
3 changed files with 9 additions and 1 deletions

View File

@ -115,6 +115,11 @@ if(LLVM_ENABLE_TIMESTAMPS)
set(ENABLE_TIMESTAMPS 1)
endif()
option(LLVM_ENABLE_BACKTRACES "Enable embedding backtraces on crash." ON)
if(LLVM_ENABLE_BACKTRACES)
set(ENABLE_BACKTRACES 1)
endif()
option(LLVM_ENABLE_FFI "Use libffi to call external functions from the interpreter" OFF)
set(FFI_LIBRARY_DIR "" CACHE PATH "Additional directory, where CMake should search for libffi.so")
set(FFI_INCLUDE_DIR "" CACHE PATH "Additional directory, where CMake should search for ffi.h or ffi/ffi.h")

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@ -17,6 +17,9 @@
/* Default <path> to all compiler invocations for --sysroot=<path>. */
#undef DEFAULT_SYSROOT
/* Define if you want backtraces on crash */
#cmakedefine ENABLE_BACKTRACES
/* Define if position independent code is enabled */
#cmakedefine ENABLE_PIC

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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 *) {
#if defined(HAVE_BACKTRACE) && defined(ENABLE_BACKTRACE)
#if defined(HAVE_BACKTRACE) && defined(ENABLE_BACKTRACES)
static void* StackTrace[256];
// Use backtrace() to output a backtrace on Linux systems with glibc.
int depth = backtrace(StackTrace,