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Turn on -Werror and -Wmissing-prototypes

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When compiling with GCC turn on -Wmissing-prototypes, and by default
turn on -Werror as well.

As with most gnome modules:

 --enable-compile-warnings=minimum/maximum

Can be used to disable -Werror (they are the same)

http://bugzilla.gnome.org/show_bug.cgi?id=590998
This commit is contained in:
Owen W. Taylor 2009-08-06 16:26:45 -04:00
parent 354112fb41
commit e89d3c7b07
1 changed files with 24 additions and 10 deletions
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24
configure.ac
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@ -80,17 +80,31 @@ AC_SUBST(GIRDIR)
TYPELIBDIR="$($PKG_CONFIG --variable=typelibdir gobject-introspection-1.0)" TYPELIBDIR="$($PKG_CONFIG --variable=typelibdir gobject-introspection-1.0)"
AC_SUBST(TYPELIBDIR) AC_SUBST(TYPELIBDIR)
# Stay command-line compatible with the gnome-common configure option. Here
# minimum/yes/maximum are the same, however.
AC_ARG_ENABLE(compile_warnings,
AC_HELP_STRING([--enable-compile-warnings=@<:@no/minimum/yes/maximum/error@:>@],
[Turn on compiler warnings]),,
enable_compile_warnings=error)
changequote(,)dnl changequote(,)dnl
if test "x$GCC" = "xyes"; then if test "$enable_compile_warnings" != no ; then
if test "x$GCC" = "xyes"; then
case " $CFLAGS " in case " $CFLAGS " in
*[\ \ ]-Wall[\ \ ]*) ;; *[\ \ ]-Wall[\ \ ]*) ;;
*) CFLAGS="$CFLAGS -Wall" ;; *) CFLAGS="$CFLAGS -Wall" ;;
esac esac
case " $CFLAGS " in
case " $OBJCFLAGS " in *[\ \ ]-Wmissing-prototypes[\ \ ]*) ;;
*[\ \ ]-Wall[\ \ ]*) ;; *) CFLAGS="$CFLAGS -Wmissing-prototypes" ;;
*) OBJCFLAGS="$OBJCFLAGS -Wall" ;;
esac esac
if test "$enable_compile_warnings" = error ; then
case " $CFLAGS " in
*[\ \ ]-Werror[\ \ ]*) ;;
*) CFLAGS="$CFLAGS -Werror" ;;
esac
fi
fi
fi fi
changequote([,])dnl changequote([,])dnl