From c875bbe78bf0b21f013bd267d9b91b86b6773e8b46cce51ec7580216f384b6d4 Mon Sep 17 00:00:00 2001
From: ADAM David Alan Martin <adam@recursive.engineer>
Date: Tue, 6 Jan 2026 22:56:54 -0500
Subject: [PATCH] Adopt FLTK 1.4

---
 configure.ac | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/configure.ac b/configure.ac
index 2d84317..71fcbb4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -223,12 +223,14 @@ case $fltk_version in
          LIBFLTK_CXXFLAGS=`$FLTK_CONFIG --cxxflags`
          LIBFLTK_CFLAGS=`$FLTK_CONFIG --cflags`
          LIBFLTK_LIBS=`$FLTK_CONFIG --ldflags`;;
-  1.4.*) AC_MSG_RESULT(no)
-         AC_MSG_ERROR([FLTK $fltk_version not supported yet; use FLTK 1.3]);;
+  1.4.*) AC_MSG_RESULT(yes)
+         LIBFLTK_CXXFLAGS=`$FLTK_CONFIG --cxxflags`
+         LIBFLTK_CFLAGS=`$FLTK_CONFIG --cflags`
+         LIBFLTK_LIBS=`$FLTK_CONFIG --ldflags`;;
   ?*)    AC_MSG_RESULT(no)
-         AC_MSG_ERROR(FLTK 1.3 required; version found: $fltk_version);;
+         AC_MSG_ERROR(FLTK 1.3 or 1.4 required; version found: $fltk_version);;
   *)     AC_MSG_RESULT(no)
-         AC_MSG_ERROR(FLTK 1.3 required; fltk-config not found)
+         AC_MSG_ERROR(FLTK 1.3 or 1.4 required; fltk-config not found)
 esac
 
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