gnuplot: fix for cairo backend

call g_type_init() in cairo.trm

Closes #18528.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/Library/Formula/gnuplot.rb b/Library/Formula/gnuplot.rb
index f738eaa30..0eb750f48 100644
--- a/Library/Formula/gnuplot.rb
+++ b/Library/Formula/gnuplot.rb
@@ -34,6 +34,12 @@ class Gnuplot < Formula
   depends_on 'qt'          if build.include? 'qt'
   depends_on :tex          if build.include? 'latex'
 
+  def patches
+    # see discussion on this cairo issue: https://github.com/fontforge/fontforge/issues/222
+    # and the gnuplot bug report: https://sourceforge.net/p/gnuplot/bugs/1223/
+    DATA
+  end
+
   def install
     # Help configure find libraries
     readline = Formula.factory 'readline'
@@ -74,3 +80,17 @@ class Gnuplot < Formula
     system "#{bin}/gnuplot", "--version"
   end
 end
+
+__END__
+diff --git a/term/cairo.trm b/term/cairo.trm
+index 48fac72..c5d110f 100644
+--- a/term/cairo.trm
++++ b/term/cairo.trm
+@@ -615,6 +615,7 @@ TERM_PUBLIC void cairotrm_options()
+  * Is the 'main' function of the terminal. */
+ void cairotrm_init()
+ {
++	g_type_init();
+	cairo_surface_t *surface = NULL;
+
+	FPRINTF((stderr,"Init\n"));