diff -up plplot-5.13.0/examples/c/Makefile.examples.in.multiarch plplot-5.13.0/examples/c/Makefile.examples.in
--- plplot-5.13.0/examples/c/Makefile.examples.in.multiarch 2017-08-25 20:43:25.000000000 -0600
+++ plplot-5.13.0/examples/c/Makefile.examples.in 2018-07-22 20:49:30.545866852 -0600
@@ -25,9 +25,6 @@ SHELL = @SH_EXECUTABLE@
CC = @CC@
EXEEXT = @EXEEXT@
-PKG_CONFIG_ENV = @PKG_CONFIG_ENV@
-RPATHCMD = @RPATHCMD@
-
@extXdrawable_true@extXdrawable_EXECUTABLES_list = \
@extXdrawable_true@ extXdrawable_demo$(EXEEXT)
diff -up plplot-5.13.0/examples/c++/Makefile.examples.in.multiarch plplot-5.13.0/examples/c++/Makefile.examples.in
--- plplot-5.13.0/examples/c++/Makefile.examples.in.multiarch 2017-08-25 20:43:25.000000000 -0600
+++ plplot-5.13.0/examples/c++/Makefile.examples.in 2018-07-22 20:49:30.546866868 -0600
@@ -25,10 +25,7 @@ SHELL = @SH_EXECUTABLE@
CXX = @CXX@
EXEEXT = @EXEEXT@
-PKG_CONFIG_ENV = @PKG_CONFIG_ENV@
-RPATHCMD = @RPATHCMD@
@qt_gui_true@QT_MOC_EXECUTABLE = @QT_MOC_EXECUTABLE@
-@qt_gui_true@qt_RPATHCMD = @qt_RPATHCMD@
@wxwidgets_true@PLPLOTWXWIDGETS_EXECUTABLES_list = \
@wxwidgets_true@ @wxdemo_name@$(EXEEXT)
diff -up plplot-5.13.0/examples/fortran/Makefile.examples.in.multiarch plplot-5.13.0/examples/fortran/Makefile.examples.in
--- plplot-5.13.0/examples/fortran/Makefile.examples.in.multiarch 2018-07-22 20:49:30.546866868 -0600
+++ plplot-5.13.0/examples/fortran/Makefile.examples.in 2018-07-22 20:50:17.224587289 -0600
@@ -25,9 +25,6 @@ SHELL = @SH_EXECUTABLE@
Fortran = @FC@
EXEEXT = @EXEEXT@
-PKG_CONFIG_ENV = @PKG_CONFIG_ENV@
-FORTRAN_RPATHCMD = @FORTRAN_RPATHCMD@
-
EXECUTABLES_list = \
x00f$(EXEEXT) \
x01f$(EXEEXT) \
diff -up plplot-5.13.0/examples/tk/Makefile.examples.in.multiarch plplot-5.13.0/examples/tk/Makefile.examples.in
--- plplot-5.13.0/examples/tk/Makefile.examples.in.multiarch 2017-08-25 20:43:25.000000000 -0600
+++ plplot-5.13.0/examples/tk/Makefile.examples.in 2018-07-22 20:49:30.547866883 -0600
@@ -24,9 +24,6 @@ SHELL = @SH_EXECUTABLE@
CC = @CC@
EXEEXT = @EXEEXT@
-PKG_CONFIG_ENV = @PKG_CONFIG_ENV@
-plplottcltk_Main_RPATHCMD = @plplottcltk_Main_RPATHCMD@
-
EXECUTABLES_list = xtk01$(EXEEXT)
# Second and fourth examples depend on itk.
@itk_true@itk_EXECUTABLES_list = xtk02$(EXEEXT) xtk04$(EXEEXT)