[gnome-common] macros2: Remove FORBIDDEN_M4MACROS infrastructure

[Philip Withnall <pwithnall src gnome org>]

commit 5a58347c8f9b48915311f7c91b885722492d378a
Author: Philip Withnall <philip withnall collabora co uk>
Date:   Sat May 10 22:44:27 2014 +0100

    macros2: Remove FORBIDDEN_M4MACROS infrastructure
    
    It was completely outdated and unused. The REQUIRED_M4MACROS
    infrastructure is, however, still in use.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=729932

 macros2/gnome-autogen.sh |   28 ----------------------------
 1 files changed, 0 insertions(+), 28 deletions(-)
---
diff --git a/macros2/gnome-autogen.sh b/macros2/gnome-autogen.sh
index 4afc6bb..fe1c8e7 100644
--- a/macros2/gnome-autogen.sh
+++ b/macros2/gnome-autogen.sh
@@ -17,7 +17,6 @@ test "$REQUIRED_GNOME_DOC_UTILS_VERSION" || REQUIRED_GNOME_DOC_UTILS_VERSION=0.4
 
 # a list of required m4 macros.  Package can set an initial value
 test "$REQUIRED_M4MACROS" || REQUIRED_M4MACROS=
-test "$FORBIDDEN_M4MACROS" || FORBIDDEN_M4MACROS=
 
 # Not all echo versions allow -n, so we check what is possible. This test is
 # based on the one in autoconf.
@@ -129,13 +128,6 @@ require_m4macro() {
     esac
 }
 
-forbid_m4macro() {
-    case "$FORBIDDEN_M4MACROS" in
-       $1\ * | *\ $1\ * | *\ $1) ;;
-       *) FORBIDDEN_M4MACROS="$FORBIDDEN_M4MACROS $1" ;;
-    esac
-}
-
 # Usage:
 #     add_to_cm_macrodirs dirname
 # Adds the dir to $cm_macrodirs, if it's not there yet.
@@ -220,32 +212,12 @@ check_m4macros() {
         print_m4macros_error
         exit $cm_status
     fi
-    if [ -n "$FORBIDDEN_M4MACROS" ]; then
-       printbold "Checking for forbidden M4 macros..."
-       # check that each macro file is in one of the macro dirs
-       for cm_macro in $FORBIDDEN_M4MACROS; do
-           cm_macrofound=false
-           for cm_dir in $cm_macrodirs; do
-               if [ -f "$cm_dir/$cm_macro" ]; then
-                   cm_macrofound=true
-                   break
-               fi
-           done
-           if $cm_macrofound; then
-               printerr "  $cm_macro found (should be cleared from macros dir)"
-               cm_status=1
-           fi
-       done
-    fi
     if [ "$cm_status" != 0 ]; then
         print_m4macros_error
        exit $cm_status
     fi
 }
 
-# try to catch the case where the macros2/ directory hasn't been cleared out.
-forbid_m4macro gnome-cxx-check.m4
-
 want_glib_gettext=false
 want_intltool=false
 want_pkg_config=false