multimedia/vlc: Fix build.

Signed-off-by: B. Watson <yalhcru@gmail.com>

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>

multimedia/vlc/vlc.SlackBuild

@@ -27,6 +27,12 @@
 #   SUCH DAMAGE.
 # -----------------------------------------------------------------------------
 
+# 20220215 bkw: Modified by SlackBuilds.org:
+# - stop the build if libebml is installed, since it will fail.
+# - what the *hell* was this script doing writing to /var/lib/dbus/machine-id?
+#   not even inside of $PKG, overwriting the real file. that code has now
+#   been nuked from orbit.
+
 cd $(dirname $0) ; CWD=$(pwd)
 
 PRGNAM=vlc
@@ -43,9 +49,6 @@ if [ -z "$ARCH" ]; then
   esac
 fi
 
-# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
-# the name of the created package would be, and then exit. This information
-# could be useful to other scripts.
 if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
   echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
   exit 0
@@ -69,15 +72,22 @@ SLKLDFLAGS="-lrt"
 
 DOCS="ABOUT-NLS AUTHORS COPYING INSTALL NEWS README THANKS"
 
-# In an ordinary virtual machine, since a different kernal is running,
-# a unique dbus id is needed.
-# However with LXC, the same kernel is used in each container,
-# so we insert an arbitrary value
-#
-grep "container=" /etc/rc.d/rc.S >/dev/null 2>/dev/null
-if [ $? -eq 0 ]; then
-  mkdir -p /var/lib/dbus/
-  echo "4349d719fcf875a557a8c00400000014" > /var/lib/dbus/machine-id
+# 20220215 bkw: this compiles for a long time, then fails, if libebml is
+# installed. Better to fail immediately and let the user know how to fix it.
+if [ "${FORCE:-no}" != "yes" ] && pkg-config --exists libebml; then
+  cat <<EOF
+**********************************************************
+* Conflicting package found: libebml                     *
+**********************************************************
+* This build is known to fail when libebml is installed. *
+* Run "removepkg libebml", then re-run this script.      *
+* You can reinstall libebml after vlc finishes building. *
+**********************************************************
+
+If you want to try building vlc anyway, export FORCE=yes
+in the environment.
+EOF
+  exit 1
 fi
 
 set -e
@@ -110,9 +120,9 @@ autoreconf -fiv
 chown -R root:root .
 find -L . \
  \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 -o -perm 511 \) \
- -exec chmod 755 {} \; -o \
+ -exec chmod 755 {} \+ -o \
  \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
- -exec chmod 644 {} \;
+ -exec chmod 644 {} \+
 
 CFLAGS="$SLKCFLAGS" \
 CXXFLAGS="$SLKCFLAGS" \