+++ /dev/null
-diff --git a/Source/kwsys/SystemInformation.cxx b/Source/kwsys/SystemInformation.cxx
-index ed1cdc0..d3afe21 100644
---- a/Source/kwsys/SystemInformation.cxx
-+++ b/Source/kwsys/SystemInformation.cxx
-@@ -150,18 +150,8 @@ typedef struct rlimit ResourceLimitType;
- # include <OS.h>
- #endif
-
--#if defined(KWSYS_SYSTEMINFORMATION_HAS_BACKTRACE)
--# include <execinfo.h>
--# if defined(KWSYS_SYSTEMINFORMATION_HAS_CPP_DEMANGLE)
--# include <cxxabi.h>
--# endif
--# if defined(KWSYS_SYSTEMINFORMATION_HAS_SYMBOL_LOOKUP)
--# include <dlfcn.h>
--# endif
--#else
- # undef KWSYS_SYSTEMINFORMATION_HAS_CPP_DEMANGLE
- # undef KWSYS_SYSTEMINFORMATION_HAS_SYMBOL_LOOKUP
--#endif
-
- #include <cctype> // int isdigit(int c);
- #include <cstdio>
-diff --git a/Source/kwsys/kwsysPlatformTestsCXX.cxx b/Source/kwsys/kwsysPlatformTestsCXX.cxx
-index 0bfa20e..0208417 100644
---- a/Source/kwsys/kwsysPlatformTestsCXX.cxx
-+++ b/Source/kwsys/kwsysPlatformTestsCXX.cxx
-@@ -102,24 +102,6 @@ int main()
- }
- #endif
-
--#ifdef TEST_KWSYS_CXX_HAS_BACKTRACE
--# if defined(__PATHSCALE__) || defined(__PATHCC__) || \
-- (defined(__LSB_VERSION__) && (__LSB_VERSION__ < 41))
--backtrace does not work with this compiler or os
--# endif
--# if (defined(__GNUC__) || defined(__PGI)) && !defined(_GNU_SOURCE)
--# define _GNU_SOURCE
--# endif
--# include <execinfo.h>
--int main()
--{
-- void* stackSymbols[256];
-- backtrace(stackSymbols, 256);
-- backtrace_symbols(&stackSymbols[0], 1);
-- return 0;
--}
--#endif
--
- #ifdef TEST_KWSYS_CXX_HAS_DLADDR
- # if (defined(__GNUC__) || defined(__PGI)) && !defined(_GNU_SOURCE)
- # define _GNU_SOURCE