Add -ftrapv to DEBUG_CXXFLAGS when --enable-debug is used

7 years ago · 94e52d13db
parent b1dc39df6e
commit 94e52d13db
1 changed files with 1 additions and 0 deletions
--- a/configure.ac
+++ b/configure.ac
@ -263,6 +263,7 @@ if test "x$enable_debug" = xyes; then

  AX_CHECK_PREPROC_FLAG([-DDEBUG],[[DEBUG_CPPFLAGS="$DEBUG_CPPFLAGS -DDEBUG"]],,[[$CXXFLAG_WERROR]])
  AX_CHECK_PREPROC_FLAG([-DDEBUG_LOCKORDER],[[DEBUG_CPPFLAGS="$DEBUG_CPPFLAGS -DDEBUG_LOCKORDER"]],,[[$CXXFLAG_WERROR]])
+  AX_CHECK_COMPILE_FLAG([-ftrapv],[DEBUG_CXXFLAGS="$DEBUG_CXXFLAGS -ftrapv"],,[[$CXXFLAG_WERROR]])
 fi

 if test x$use_sanitizers != x; then