diff --git a/gis/pdal/README b/gis/pdal/README
index ebca06e75b..7f086c1e22 100644
--- a/gis/pdal/README
+++ b/gis/pdal/README
@@ -6,4 +6,4 @@ for working with multi-dimensional emitted-pulse scanning systems. While PDAL
 is not explicitly limited to working with LiDAR data formats, its initial
 rollout is focused in that area.
 
-Optional dependencies: jsoncpp, laszip.
+Optional dependencies: jsoncpp, laszip, hdf5, OpenSceneGraph.
diff --git a/gis/pdal/pdal.SlackBuild b/gis/pdal/pdal.SlackBuild
index 9d563d739b..8cfe44ee0e 100644
--- a/gis/pdal/pdal.SlackBuild
+++ b/gis/pdal/pdal.SlackBuild
@@ -2,7 +2,7 @@
 
 # Slackware build script for pdal
 
-# Copyright 2013 Benjamin Trigona-Harany <slackbuilds@jaxartes.net>
+# Copyright 2013-2018 Benjamin Trigona-Harany <slackbuilds@jaxartes.net>
 # All rights reserved.
 #
 # Redistribution and use of this script, with or without modification, is
@@ -24,7 +24,7 @@
 
 PRGNAM=pdal
 SRCNAM=PDAL
-VERSION=${VERSION:-1.6}
+VERSION=${VERSION:-1.7.1}
 BUILD=${BUILD:-1}
 TAG=${TAG:-_SBo}
 
@@ -65,10 +65,13 @@ tar xvf $CWD/$SRCNAM-$VERSION.tar.gz
 cd $SRCNAM-$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 \
- \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
- -exec chmod 644 {} \;
+ \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
+  -o -perm 511 \) -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 {} \;
+
+# prevent build failure on warnings
+sed -i "/Werror/d" cmake/unix_compiler_options.cmake
 
 mkdir -p build
 cd build
@@ -80,18 +83,19 @@ cd build
     -DCMAKE_INSTALL_PREFIX=/usr \
     -DCMAKE_INSTALL_LIBDIR=lib$LIBDIRSUFFIX \
     -DBUILD_PGPOINTCLOUD_TESTS=OFF \
-    -DBUILD_PLUGIN_PYTHON=ON \
     -DBUILD_PLUGIN_PGPOINTCLOUD=ON \
+    -DBUILD_PLUGIN_SQLITE=ON \
     ..
-  make
   make install DESTDIR=$PKG
 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
+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
 
 mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
-cp -a AUTHORS.txt ChangeLog LICENSE.txt README.md RELEASENOTES.txt $PKG/usr/doc/$PRGNAM-$VERSION
+cp -a \
+  AUTHORS.txt ChangeLog LICENSE.txt README.md RELEASENOTES.txt \
+  $PKG/usr/doc/$PRGNAM-$VERSION
 cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
 
 mkdir -p $PKG/install
diff --git a/gis/pdal/pdal.info b/gis/pdal/pdal.info
index 40f604e991..987e124ad0 100644
--- a/gis/pdal/pdal.info
+++ b/gis/pdal/pdal.info
@@ -1,10 +1,10 @@
 PRGNAM="pdal"
-VERSION="1.6"
+VERSION="1.7.1"
 HOMEPAGE="http://pointcloud.org"
-DOWNLOAD="https://github.com/PDAL/PDAL/archive/1.6/PDAL-1.6.tar.gz"
-MD5SUM="efb0c200e1ade74e979f4fa141da63e2"
+DOWNLOAD="https://github.com/PDAL/PDAL/archive/1.7.1/PDAL-1.7.1.tar.gz"
+MD5SUM="a6d329bed833fac439cb544d38143a5e"
 DOWNLOAD_x86_64=""
 MD5SUM_x86_64=""
-REQUIRES="gdal libgeotiff numpy postgresql"
+REQUIRES="gdal libgeotiff postgresql"
 MAINTAINER="Benjamin Trigona-Harany"
 EMAIL="slackbuilds@jaxartes.net"