gnuplot: don't disable cairo when building with wx support

Closes #35815.

1 files changed, 6 insertions, 2 deletions

diff --git a/Library/Formula/gnuplot.rb b/Library/Formula/gnuplot.rb
index 75f485a29..6c028e3bb 100644
--- a/Library/Formula/gnuplot.rb
+++ b/Library/Formula/gnuplot.rb
@@ -79,8 +79,12 @@ class Gnuplot < Formula
 
     args << "--with-pdf=#{pdflib}" if build.with? "pdflib-lite"
     args << ((build.with? "gd") ? "--with-gd=#{gd}" : "--without-gd")
-    args << "--disable-wxwidgets"  if build.without? "wxmac"
-    args << "--without-cairo"      if build.without? "cairo"
+
+    if build.without? "wxmac"
+      args << "--disable-wxwidgets"
+      args << "--without-cairo" if build.without? "cairo"
+    end
+
     args << "--enable-qt"          if build.with? "qt"
     args << "--without-lua"        if build.without? "lua"
     args << "--without-lisp-files" if build.without? "emacs"