File gnuplot-PIE.patch of Package gnuplot

Index: gnuplot-6.0.4/src/Makefile.am
===================================================================
--- gnuplot-6.0.4.orig/src/Makefile.am
+++ gnuplot-6.0.4/src/Makefile.am
@@ -67,6 +67,7 @@ voxelgrid.c voxelgrid.h vplot.c vplot.h
 watch.c watch.h xdg.c xdg.h
 
 gnuplot_LDADD = $(TERMLIBS) $(TERMXLIBS) $(WX_LIBS) $(QT_LIBS)
+gnuplot_LDFLAGS = -pie
 
 pkglibexec_PROGRAMS = 
 
@@ -75,6 +76,7 @@ pkglibexec_PROGRAMS += gnuplot_x11
 gnuplot_x11_SOURCES = gplt_x11.c gplt_x11.h gpexecute.c gpexecute.h mousecmn.h version.c version.h
 XLIBS = @LIBRARIES_FOR_X@
 gnuplot_x11_LDADD = getcolor_x11.o $(XLIBS)
+gnuplot_x11_LDFLAGS = -pie
 endif
 
 getcolor_x11.o: getcolor.c
@@ -101,6 +103,7 @@ $(EXTRA_gnuplot_SOURCES)
 
 if BUILD_WXWIDGETS
 gnuplot_SOURCES += wxterminal/wxt_gui.cpp
+gnuplot_LDFLAGS += -pie
 endif
 
 if BUILD_GPCAIRO
@@ -188,6 +191,7 @@ qtterminal/QtGnuplotApplication.cpp qtte
 qtterminal/QtGnuplotScene.cpp qtterminal/QtGnuplotItems.cpp \
 qtterminal/QtGnuplotEvent.cpp
 gnuplot_qt_LDADD = $(QT_LIBS)
+gnuplot_qt_LDFLAGS = -pie
 
 #
 # embedded Qt widget example program
@@ -203,6 +207,7 @@ qt_embed_example_SOURCES = qtterminal/qt
        qtterminal/QtGnuplotScene.cpp qtterminal/QtGnuplotItems.cpp \
        qtterminal/QtGnuplotInstance.cpp
 qt_embed_example_LDADD = $(QT_LIBS)
+qt_embed_example_LDFLAGS = -pie
 
 endif # build_qt