Commit 6a953787 authored by William Jon McCann's avatar William Jon McCann Committed by Thomas Wood

Add more warnings to the build

parent f2498350
......@@ -18,15 +18,6 @@ AM_PROG_LIBTOOL
# Use the GNOME documentation framework
GNOME_DOC_INIT
changequote(,)dnl
if test "x$GCC" = "xyes"; then
case " $CFLAGS " in
*[\ \ ]-Wall[\ \ ]*) ;;
*) CFLAGS="$CFLAGS -Wall" ;;
esac
fi
changequote([,])dnl
# Internationalization support
IT_PROG_INTLTOOL([0.37.1])
......@@ -326,6 +317,54 @@ GTK_DOC_CHECK([1.9])
CONTROL_CENTER_VERSION=gnome_control_center_version
AC_SUBST(CONTROL_CENTER_VERSION)
dnl =======================================
dnl Finish
dnl =======================================
# Turn on the additional warnings last
AC_ARG_ENABLE(more-warnings,
AS_HELP_STRING([--enable-more-warnings],
[Maximum compiler warnings]),
set_more_warnings="$enableval",[
if test -d $srcdir/.git; then
set_more_warnings=yes
else
set_more_warnings=no
fi])
AC_MSG_CHECKING(for more warnings)
if test "$GCC" = "yes" -a "$set_more_warnings" != "no"; then
AC_MSG_RESULT(yes)
CFLAGS="\
-Wall -Wclobbered -Wempty-body -Wignored-qualifiers \
-Wmissing-field-initializers -Wmissing-parameter-type \
-Wold-style-declaration -Woverride-init -Wtype-limits \
-Wuninitialized \
-Wchar-subscripts -Wmissing-declarations -Wmissing-prototypes \
-Wnested-externs -Wpointer-arith \
-Wcast-align -Wsign-compare -Wp,-D_FORTIFY_SOURCE=2 \
$CFLAGS"
for option in -Wno-strict-aliasing -Wno-sign-compare; do
SAVE_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $option"
AC_MSG_CHECKING([whether gcc understands $option])
AC_TRY_COMPILE([], [],
has_option=yes,
has_option=no,)
if test $has_option = no; then
CFLAGS="$SAVE_CFLAGS"
fi
AC_MSG_RESULT($has_option)
unset has_option
unset SAVE_CFLAGS
done
unset option
else
AC_MSG_RESULT(no)
fi
AC_CONFIG_FILES([
Makefile
......
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