Added the following compiler flags:

  * -Wunused-but-set-parameter
  * -Wignored-qualifiers

2 files changed, 72 insertions, 0 deletions

diff --git a/configure b/configure
index ec92566..82eec3b 100755
--- a/configure
+++ b/configure
@@ -11858,6 +11858,41 @@ else
   :
 fi
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -Wunused-but-set-parameter" >&5
+$as_echo_n "checking whether C compiler accepts -Wunused-but-set-parameter... " >&6; }
+if ${ax_cv_check_cflags___Wunused_but_set_parameter+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+  ax_check_save_flags=$CFLAGS
+  CFLAGS="$CFLAGS  -Wunused-but-set-parameter"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ax_cv_check_cflags___Wunused_but_set_parameter=yes
+else
+  ax_cv_check_cflags___Wunused_but_set_parameter=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  CFLAGS=$ax_check_save_flags
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_check_cflags___Wunused_but_set_parameter" >&5
+$as_echo "$ax_cv_check_cflags___Wunused_but_set_parameter" >&6; }
+if test x"$ax_cv_check_cflags___Wunused_but_set_parameter" = xyes; then :
+  DEFAULT_CFLAGS="$DEFAULT_CFLAGS -Wunused-but-set-parameter"
+else
+  :
+fi
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -Waddress" >&5
 $as_echo_n "checking whether C compiler accepts -Waddress... " >&6; }
 if ${ax_cv_check_cflags___Waddress+:} false; then :
@@ -12068,6 +12103,41 @@ else
   :
 fi
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -Wignored-qualifiers" >&5
+$as_echo_n "checking whether C compiler accepts -Wignored-qualifiers... " >&6; }
+if ${ax_cv_check_cflags___Wignored_qualifiers+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+  ax_check_save_flags=$CFLAGS
+  CFLAGS="$CFLAGS  -Wignored-qualifiers"
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+  ax_cv_check_cflags___Wignored_qualifiers=yes
+else
+  ax_cv_check_cflags___Wignored_qualifiers=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+  CFLAGS=$ax_check_save_flags
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ax_cv_check_cflags___Wignored_qualifiers" >&5
+$as_echo "$ax_cv_check_cflags___Wignored_qualifiers" >&6; }
+if test x"$ax_cv_check_cflags___Wignored_qualifiers" = xyes; then :
+  DEFAULT_CFLAGS="$DEFAULT_CFLAGS -Wignored-qualifiers"
+else
+  :
+fi
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether C compiler accepts -fstrict-aliasing -Wstrict-aliasing" >&5
 $as_echo_n "checking whether C compiler accepts -fstrict-aliasing -Wstrict-aliasing... " >&6; }
 if ${ax_cv_check_cflags___fstrict_aliasing__Wstrict_aliasing+:} false; then :
diff --git a/configure.ac b/configure.ac
index fbd88c4..58bae04 100644
--- a/configure.ac
+++ b/configure.ac
@@ -64,12 +64,14 @@ AC_SUBST(DEFAULT_LDFLAGS)
 ### Additional flags (if supported)
 AX_CHECK_COMPILE_FLAG([-Wparentheses], [DEFAULT_CFLAGS="$DEFAULT_CFLAGS -Wparentheses"])
 AX_CHECK_COMPILE_FLAG([-Winit-self], [DEFAULT_CFLAGS="$DEFAULT_CFLAGS -Winit-self"])
+AX_CHECK_COMPILE_FLAG([-Wunused-but-set-parameter], [DEFAULT_CFLAGS="$DEFAULT_CFLAGS -Wunused-but-set-parameter"])
 AX_CHECK_COMPILE_FLAG([-Waddress], [DEFAULT_CFLAGS="$DEFAULT_CFLAGS -Waddress"])
 AX_CHECK_COMPILE_FLAG([-Wuninitialized], [DEFAULT_CFLAGS="$DEFAULT_CFLAGS -Wuninitialized"])
 AX_CHECK_COMPILE_FLAG([-Wformat=2], [DEFAULT_CFLAGS="$DEFAULT_CFLAGS -Wformat=2"])
 AX_CHECK_COMPILE_FLAG([-Wformat-nonliteral], [DEFAULT_CFLAGS="$DEFAULT_CFLAGS -Wformat-nonliteral"])
 AX_CHECK_COMPILE_FLAG([-Wmissing-parameter-type], [DEFAULT_CFLAGS="$DEFAULT_CFLAGS -Wmissing-parameter-type"])
 AX_CHECK_COMPILE_FLAG([-Wold-style-definition], [DEFAULT_CFLAGS="$DEFAULT_CFLAGS -Wold-style-definition"])
+AX_CHECK_COMPILE_FLAG([-Wignored-qualifiers], [DEFAULT_CFLAGS="$DEFAULT_CFLAGS -Wignored-qualifiers"])
 AX_CHECK_COMPILE_FLAG([-fstrict-aliasing -Wstrict-aliasing], [DEFAULT_CFLAGS="$DEFAULT_CFLAGS -fstrict-aliasing -Wstrict-aliasing"])
 AX_CHECK_LINK_FLAG([-Wl,--discard-all], [DEFAULT_LDLAGS="$DEFAULT_LDLAGS -Wl,--discard-all"])
 AX_CHECK_LINK_FLAG([-Wl,--no-undefined], [DEFAULT_LDLAGS="$DEFAULT_LDLAGS -Wl,--no-undefined"])