libraries/matplotlib: Fix script.

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

libraries/matplotlib/README

@@ -4,11 +4,20 @@ development and web application servers targeting multiple user
 interfaces and hardcopy output formats.  The 'pylab' mode
 of ipython uses matplotlib to emulate matlab graphics.
 
-OPTIONAL DEPENDENCIES: pytest, mock, ffmpeg/avconv, Inkscape
+OPTIONAL DEPENDENCIES: pytest, mock, ffmpeg/avconv, Inkscape,
+                       wxPython3
 
-NOTES: If you want to enable the optional subpackages tests and
+NOTES: The optional wxagg backend is disabled by default because
+       of possible issues related to wxPython versions. If you
+       wish to use this backend install wxPython3 in advance and
+       set DISABLE_WXAGG to "no" when executing the SlackBuild.
+       IMPORTANT: There is some interaction between wxPython and
+                  wxPython3, pay attention to the corresponding
+                  README files.
+
+       If you want to enable the optional subpackages tests and
        toolkits_tests you need to set the variable ENABLE_TESTS
-       to "yes" and make sure that pytest, mock, ffmpeg/avconv
-       and Inkscape are already installed. Besides ffmpeg/avconv
-       are also needed if you wish better support of animation
-       output formats.
+       to "yes" when executing the SlackBuild and make sure that
+       pytest, mock, ffmpeg/avconv and Inkscape are already
+       installed. Besides ffmpeg/avconv are also needed if you
+       wish better support of animation output formats.

libraries/matplotlib/matplotlib.SlackBuild

@@ -2,7 +2,7 @@
 
 # Slackware build script for matplotlib
 
-# Copyright 2011-2018 Serban Udrea <s.udrea@gsi.de>
+# Copyright 2011-2019 Serban Udrea <s.udrea@gsi.de>
 # All rights reserved.
 #
 # Redistribution and use of this script, with or without modification,
@@ -30,11 +30,12 @@
 
 PRGNAM=matplotlib
 VERSION=${VERSION:-2.2.3}
-BUILD=${BUILD:-1}
+BUILD=${BUILD:-2}
 TAG=${TAG:-_SBo}
 
-TARBALL_VERSION=${TARBALL_VERSION:-2.2.3} # Tarball sometimes has a wrong version number
+TARBALL_VERSION=${TARBALL_VERSION:-2.2.3} # Tarball may have wrong versioning
 ENABLE_TESTS=${ENABLE_TESTS:-N}
+DISABLE_WXAGG=${DISABLE_WXAGG:-Y}
 
 if [ -z "$ARCH" ]; then
   case "$( uname -m )" in
@@ -65,19 +66,25 @@ find -L . \
   -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
 
 ENABLE_TESTS=$(echo "$ENABLE_TESTS"|cut -b 1|tr a-z A-Z)
+DISABLE_WXAGG=$(echo "$DISABLE_WXAGG"|cut -b 1|tr a-z A-Z)
+cat setup.cfg.template > setup.cfg
 
 if [ "$ENABLE_TESTS" = "Y" ]
 then
- cat setup.cfg.template > setup.cfg
  sed -i "s|#tests = False|tests = True|" setup.cfg
 fi
 
+if [ "$DISABLE_WXAGG" = "Y" ]
+then
+ sed -i "s|#wxagg = auto|wxagg = False|" setup.cfg
+fi
+
 # Use modified setupext.py to make sure that the build process gets
 # interrupted if requirements are not fulfilled
 #
 cat "${CWD}/setupext.py" > setupext.py
 
-python setup.py install --root $PKG > ${CWD}/SETUP.OUTPUT 2>&1
+python setup.py install --root $PKG # > ${CWD}/SETUP.OUTPUT 2>&1
 
 find $PKG | xargs file | grep -e "executable" -e "shared object" | grep ELF \
   | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true