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build: allow --set-more-warnings=no|yes|error

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For the GNOME autobuilders, we want compiler warnings, but don't want
-Werror.  For developer compatibility, the default value is "error".

https://bugzilla.gnome.org/show_bug.cgi?id=668974
This commit is contained in:
Colin Walters 2012-01-29 16:01:56 -05:00 • committed by Dan Williams
parent c721477d11
commit e4f51d1968
1 changed files with 5 additions and 3 deletions
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8
m4/compiler_warnings.m4
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@ -1,7 +1,7 @@
AC_DEFUN([NM_COMPILER_WARNINGS], AC_DEFUN([NM_COMPILER_WARNINGS],
[AC_ARG_ENABLE(more-warnings, [AC_ARG_ENABLE(more-warnings,
AS_HELP_STRING([--enable-more-warnings], [Maximum compiler warnings]), AS_HELP_STRING([--enable-more-warnings], [Possible values: no/yes/error]),
set_more_warnings="$enableval",set_more_warnings=yes) set_more_warnings="$enableval",set_more_warnings=error)
AC_MSG_CHECKING(for more warnings) AC_MSG_CHECKING(for more warnings)
if test "$GCC" = "yes" -a "$set_more_warnings" != "no"; then if test "$GCC" = "yes" -a "$set_more_warnings" != "no"; then
AC_MSG_RESULT(yes) AC_MSG_RESULT(yes)
@ -26,7 +26,9 @@ if test "$GCC" = "yes" -a "$set_more_warnings" != "no"; then
unset SAVE_CFLAGS unset SAVE_CFLAGS
done done
unset option unset option
CFLAGS="$CFLAGS -Werror" if test "x$set_more_warnings" = xerror; then
CFLAGS="$CFLAGS -Werror"
fi
else else
AC_MSG_RESULT(no) AC_MSG_RESULT(no)
fi fi