diff options
| -rw-r--r-- | configure.ac | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/configure.ac b/configure.ac index 0524d140b2..6f57d3b5ec 100644 --- a/configure.ac +++ b/configure.ac @@ -1246,12 +1246,13 @@ UseLibdw=NO USE_LIBDW=0 AC_ARG_ENABLE(dwarf-unwind, [AC_HELP_STRING([--enable-dwarf-unwind], - [Enable DWARF unwinding support in the runtime system via elfutils' libdw [default=no]])], - [AC_CHECK_LIB(dw, dwfl_attach_state, + [Enable DWARF unwinding support in the runtime system via elfutils' libdw [default=no]])]) +if test "$enable_dwarf_unwind" = "yes" ; then + AC_CHECK_LIB(dw, dwfl_attach_state, [UseLibdw=YES], - [AC_MSG_ERROR([Cannot find system libdw (required by --enable-dwarf-unwind)])])], - [UseLibdw=NO] -) + [AC_MSG_ERROR([Cannot find system libdw (required by --enable-dwarf-unwind)])]) +fi + AC_SUBST(UseLibdw) if test $UseLibdw = "YES" ; then USE_LIBDW=1 |