Ticket #18913: patch-gnuplot-emacs2.diff

Portfile

@@ -6 +6 @@
 
 name                        gnuplot
 version                     4.6.0
+revision                    1
 categories                  math science
 # the license has some inconvenient requirements that we're not meeting
 # to be allowed to distribute binaries
@@ -79 +80 @@
                             --enable-histograms \
                             --infodir='\${prefix}/share/info' \
                             --mandir='\${prefix}/share/man' \
+                            --without-lisp-files \
                             --disable-wxwidgets \
                             --without-latex \
                             --without-tutorial \
@@ -142 +144 @@
     configure.args-append   --with-tutorial
 }
 
-default_variants            +luaterm +pangocairo
+variant emacs description "An emacs mode for working with gnuplot" {
+    depends_build-append    path:bin/emacs:emacs
+    configure.args-delete   --without-lisp-files
+    configure.args-append   --with-lisp-files --with-lispdir=${prefix}/share/emacs/site-lisp
+}
 
-destroot.destdir            prefix=${destroot}${prefix}
+default_variants            +luaterm +pangocairo
 
 post-destroot {
     xinstall -d -m 0755 ${destroot}${prefix}/share/doc/${name}
     xinstall -m 0644 ${distpath}/${name}.pdf \
         ${destroot}${prefix}/share/doc/${name}/
 }
+
+# this temporary workaround removes files that accidentally circumvented destroot
+# and were installed straight into ${prefix}/share/texmf/tex/latex/gnuplot
+#
+# it may be removed after a while; it is only a problem for those who installed
+# with +tutorial
+pre-activate {
+    if [file exists ${prefix}/share/texmf/tex/latex/gnuplot/gnuplot.cfg] {
+        delete ${prefix}/share/texmf/tex/latex/gnuplot/gnuplot.cfg
+    }
+    if [file exists ${prefix}/share/texmf/tex/latex/gnuplot/gnuplot-lua-tikz.sty] {
+        delete ${prefix}/share/texmf/tex/latex/gnuplot/gnuplot-lua-tikz.sty
+    }
+
+    # only since 4.6.0
+    if [file exists ${prefix}/share/texmf/tex/latex/gnuplot/gnuplot-lua-tikz.tex] {
+        delete ${prefix}/share/texmf/tex/latex/gnuplot/gnuplot-lua-tikz.tex
+    }
+    if [file exists ${prefix}/share/texmf/tex/latex/gnuplot/gnuplot-lua-tikz-common.tex] {
+        delete ${prefix}/share/texmf/tex/latex/gnuplot/gnuplot-lua-tikz-common.sty
+    }
+    if [file exists ${prefix}/share/texmf/tex/latex/gnuplot/t-gnuplot-lua-tikz.tex] {
+        delete ${prefix}/share/texmf/tex/latex/gnuplot/t-gnuplot-lua-tikz.tex
+    }
+}