Add an --enable-backtraces option to configure to determine
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
diff --git a/autoconf/configure.ac b/autoconf/configure.ac
index 7fa883e..2f381fe 100644
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -678,6 +678,21 @@
AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS,
[Define if timestamp information (e.g., __DATE__) is allowed])
+dnl Enable embedding timestamp information into build.
+
+AC_ARG_ENABLE(backtraces,
+ AS_HELP_STRING([--enable-backtraces],
+ [Enable embedding backtraces on crash (default is YES)]),,
+ enableval=default)
+case "$enableval" in
+ yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
+ no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;;
+ default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;;
+ *) AC_MSG_ERROR([Invalid setting for --enable-backtraces. Use "yes" or "no"]) ;;
+esac
+AC_DEFINE_UNQUOTED([ENABLE_BACKTRACES],$ENABLE_BACKTRACES,
+ [Define if you want backtraces on crash])
+
dnl Allow specific targets to be specified for building (or not)
TARGETS_TO_BUILD=""
AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],