Add support for building with _GLIBCXX_DEBUG. New configure option

[oota-llvm.git] / autoconf / configure.ac

diff --git a/autoconf/configure.ac b/autoconf/configure.ac
index c8fd77f43283f1744b958eb3d02c815877d6edba..4e4200be5bdd81e8116656062da68d7c91ebadef 100644 (file)
--- a/autoconf/configure.ac
+++ b/autoconf/configure.ac
@@ -274,6 +274,17 @@ else
   AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]])
 fi
 
+dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks:
+AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING(
+  [--enable-expensive-checks,Compile with expensive debug checks enabled (default is NO)]),, enableval="no")
+if test ${enableval} = "yes" ; then
+  AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]])
+  AC_SUBST(EXPENSIVE_CHECKS,[[yes]])
+else
+  AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]])
+  AC_SUBST(EXPENSIVE_CHECKS,[[no]])
+fi
+
 dnl --enable-debug-runtime : should runtime libraries have debug symbols?
 AC_ARG_ENABLE(debug-runtime,
    AS_HELP_STRING([--enable-debug-runtime,Build runtime libs with debug symbols (default is NO)]),,enableval=no)