diff --git a/libraries/assimp/assimp.SlackBuild b/libraries/assimp/assimp.SlackBuild
index 52a6939756..7186c96a5e 100644
--- a/libraries/assimp/assimp.SlackBuild
+++ b/libraries/assimp/assimp.SlackBuild
@@ -26,7 +26,7 @@ cd $(dirname $0) ; CWD=$(pwd)
 
 PRGNAM=assimp
 VERSION=${VERSION:-5.0.1}
-BUILD=${BUILD:-1}
+BUILD=${BUILD:-2}
 TAG=${TAG:-_SBo}
 PKGTYPE=${PKGTYPE:-tgz}
 
@@ -38,9 +38,6 @@ 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
@@ -75,9 +72,9 @@ cd $PRGNAM-$VERSION
 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 \
+  -o -perm 511 \) -exec chmod 755 {} \+ -o \
  \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
-  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
+  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \+
 
 mkdir -p build
 cd build
@@ -95,8 +92,14 @@ cd ..
 find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
   | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true
 
+# 20220214 bkw: fix broken cmake support on x86_64. this was causing
+# ogre to fail to build (and probably other stuff that uses this).
+[ -n "$LIBDIRSUFFIX" ] && \
+  sed -i "s,\\<lib\\>,lib$LIBDIRSUFFIX,g" \
+  $PKG/usr/lib$LIBDIRSUFFIX/cmake/$PRGNAM-*/*
+
 mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
-cp -a CHANGES CREDITS INSTALL LICENSE README *.md $PKG/usr/doc/$PRGNAM-$VERSION
+cp -a CHANGES CREDITS LICENSE README *.md $PKG/usr/doc/$PRGNAM-$VERSION
 cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
 
 mkdir -p $PKG/install