python/scikit-umfpack: Align with template.

Signed-off-by: B. Watson <urchlay@slackware.uk>

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

python/scikit-umfpack/scikit-umfpack.SlackBuild

@@ -22,6 +22,9 @@
 #  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 #  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
+#### 20230515 bkw: Modified by SlackBuilds.org. See section beginning
+#### with "NOT ALLOWED", below.
+
 cd $(dirname $0) ; CWD=$(pwd)
 
 PRGNAM=scikit-umfpack
@@ -38,15 +41,12 @@ 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
 fi
 
-TMP=${TMP:-/tmp}
+TMP=${TMP:-/tmp/SBo}
 PKG=$TMP/package-$PRGNAM
 OUTPUT=${OUTPUT:-/tmp}
 
@@ -79,7 +79,10 @@ find -L . \
  \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
   -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
 
-
+#### 20230515 bkw: This is NOT ALLOWED. Modifying files in the real
+#### /usr, outside of $PKG, is forbidden. SlackBuilds may not do this.
+#### Fix this. Ideally, get the umfpack maintainer to fix it in that
+#### build, since system headers should not use "blah.h" for includes.
  ( if [ -f /usr/include/umfpack/umfpack.h ]; then
   echo "umfpack detected."
   echo
@@ -90,17 +93,10 @@ find -L . \
     find . -type f -name "umfpack.h" -print0 | xargs -0 sed -i 's/#include "amd.h"/#include <amd\/amd.h>/g'
 fi )
 
-# Python 2.7 will be droped in the future.
-if $(python2 -c 'import sys' 2>/dev/null); then
-  python2 setup.py install --root=$PKG
-  else
-  python setup.py install --root=$PKG
-fi
+# Python 2.7 will be dropped in the future.
+python2 setup.py install --root=$PKG
 
-# Replacement of python-2.x Python3.x check presence and build if found.
-if $(python3 -c 'import sys' 2>/dev/null); then
-  python3 setup.py install --root=$PKG
-fi
+python3 setup.py install --root=$PKG
 
 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