File harmonySEQ-allow-deprecated.patch of Package harmonyseq

diff -up harmonySEQ-0.17/src/CMakeLists.txt.orig harmonySEQ-0.17/src/CMakeLists.txt
--- harmonySEQ-0.17/src/CMakeLists.txt.orig	2020-03-04 14:48:23.000000000 +0100
+++ harmonySEQ-0.17/src/CMakeLists.txt	2020-09-27 08:55:40.491904755 +0200
@@ -60,7 +60,9 @@ target_compile_options(
   -Wall -Wextra
   # Glib has deprecated some interfaces that are still used by
   # GTK. This generates a ton of warnings we can't resolve...
-  -Wno-deprecated-declarations
+  #
+  # boost 1.74.0 also has deprecated headers, -Wno-deprecated-declarations breaks compiling
+  # -Wno-deprecated-declarations
   -Wno-unused-parameter
   )