Devin J. Pohly
123 lines
4.1 KiB
Plaintext
123 lines
4.1 KiB
Plaintext
# See if we have a working backtrace_symbols.
|
|
AC_DEFUN([SM_FUNC_BACKTRACE_SYMBOLS],
|
|
[
|
|
AC_MSG_CHECKING(for working backtrace_symbols())
|
|
AC_RUN_IFELSE([AC_LANG_SOURCE([[
|
|
#include <execinfo.h>
|
|
int main()
|
|
{
|
|
void *BacktracePointer=main;
|
|
return backtrace_symbols (&BacktracePointer, 1) == 0? 1:0;
|
|
}
|
|
]])],[have_backtrace_symbols=yes],[have_backtrace_symbols=no],[have_backtrace_symbols=no
|
|
])
|
|
AC_MSG_RESULT($have_backtrace_symbols)
|
|
])
|
|
|
|
AC_DEFUN([SM_FUNC_CXA_DEMANGLE],
|
|
[
|
|
# Check for abi::__cxa_demangle (gcc 3.1+)
|
|
AC_MSG_CHECKING(for working cxa_demangle)
|
|
AC_LANG_PUSH(C++)
|
|
AC_RUN_IFELSE([AC_LANG_SOURCE([[
|
|
#include <cxxabi.h>
|
|
#include <stdlib.h>
|
|
#include <typeinfo>
|
|
|
|
int main()
|
|
{
|
|
struct foo { } fum;
|
|
int status;
|
|
char *realname = abi::__cxa_demangle(typeid(fum).name(), 0, 0, &status);
|
|
free( realname );
|
|
return 0;
|
|
}
|
|
]])],[have_cxa_demangle=yes],[have_cxa_demangle=no],[have_cxa_demangle=no
|
|
])
|
|
AC_LANG_POP(C++)
|
|
AC_MSG_RESULT($have_cxa_demangle)
|
|
if test "$have_cxa_demangle" = "yes"; then
|
|
AC_DEFINE(HAVE_CXA_DEMANGLE, 1, [abi::__cxa_demangle available])
|
|
fi
|
|
])
|
|
|
|
# To support backtraces in the crash handler, we need two things: a call to
|
|
# get backtrace pointers, and a way to convert them to symbols.
|
|
AC_DEFUN([SM_CHECK_CRASH_HANDLER],
|
|
[
|
|
# See if we have a custom backtrace():
|
|
case $host in
|
|
# RedHat kindly changes the standard "pc-linux-gnu" to "redhat-linux-gnu",
|
|
# soley for the purpose of breaking lots of scripts. Ugh.
|
|
*86-*-linux* | x86_64-*-linux* )
|
|
AC_DEFINE([BACKTRACE_METHOD_X86_LINUX],[1],[Define backtrace type])
|
|
AC_DEFINE([BACKTRACE_METHOD_TEXT],["x86 custom backtrace"],[Define backtrace type])
|
|
have_backtrace=yes
|
|
;;
|
|
powerpc-*-linux* )
|
|
AC_DEFINE([BACKTRACE_METHOD_PPC_LINUX],[1],[Define backtrace type])
|
|
AC_DEFINE([BACKTRACE_METHOD_TEXT],["ppc custom backtrace"],[Define backtrace type])
|
|
have_backtrace=yes
|
|
;;
|
|
esac
|
|
|
|
# Do we have a libdl with dladdr?
|
|
AC_SEARCH_LIBS(dladdr, [dl],
|
|
[AC_DEFINE([BACKTRACE_LOOKUP_METHOD_DLADDR],[1],[Define symbol lookup type])
|
|
AC_DEFINE([BACKTRACE_LOOKUP_METHOD_TEXT],["dladdr"],[Define backtrace type])
|
|
have_symbol_lookup=yes])
|
|
|
|
if test "$have_symbol_lookup" != "yes"; then
|
|
SM_FUNC_BACKTRACE_SYMBOLS
|
|
|
|
if test "$have_backtrace_symbols" = "yes"; then
|
|
AC_DEFINE([BACKTRACE_LOOKUP_METHOD_BACKTRACE_SYMBOLS],[1],[Define symbol lookup type])
|
|
AC_DEFINE([BACKTRACE_LOOKUP_METHOD_TEXT],["backtrace_symbols"],[Define backtrace type])
|
|
have_symbol_lookup=yes
|
|
fi
|
|
fi
|
|
|
|
|
|
AC_MSG_CHECKING(for crash handler components)
|
|
if test "$have_backtrace" = "yes" -a "$have_symbol_lookup" = "yes"; then
|
|
use_crash_handler=yes
|
|
AC_DEFINE([CRASH_HANDLER],1,[Define if using crash handler])
|
|
AC_MSG_RESULT(ok)
|
|
else
|
|
AC_MSG_RESULT(incomplete; crash handler will not be used)
|
|
fi
|
|
|
|
if test "$use_crash_handler" = "yes"; then
|
|
# All current symbol lookup methods need this flag.
|
|
LDFLAGS="$LDFLAGS -rdynamic"
|
|
|
|
SM_FUNC_CXA_DEMANGLE
|
|
if test "$have_cxa_demangle" = "yes"; then
|
|
have_demangle=yes
|
|
AC_DEFINE([BACKTRACE_DEMANGLE_METHOD_TEXT],["cxa_demangle"],[Define demangle type])
|
|
fi
|
|
|
|
if test "$have_demangle" != "yes"; then
|
|
# Check for libiberty.
|
|
AC_CHECK_HEADER(libiberty.h, have_iberty_header=yes, have_iberty_header=no)
|
|
AC_SEARCH_LIBS(cplus_demangle, [iberty], have_iberty_lib=yes, have_iberty_lib=no)
|
|
|
|
if test $have_iberty_lib = "yes" -a $have_iberty_header = "yes"; then
|
|
AC_DEFINE(HAVE_LIBIBERTY, 1, [Liberty available])
|
|
have_demangle=yes
|
|
AC_DEFINE([BACKTRACE_DEMANGLE_METHOD_TEXT],["libiberty"],[Define demangle type])
|
|
fi
|
|
fi
|
|
|
|
if test "$have_demangle" != "yes"; then
|
|
echo
|
|
echo "*** Backtrace support has been detected, but libiberty is not installed."
|
|
echo "*** Libiberty will make crash reports for developers much easier to read,"
|
|
echo "*** and is strongly recommended."
|
|
echo
|
|
AC_DEFINE([BACKTRACE_DEMANGLE_METHOD_TEXT],["none"],[Define demangle type])
|
|
fi
|
|
fi
|
|
])
|
|
|