diff -Nru structure-synth-1.5.0/debian/changelog structure-synth-1.5.0/debian/changelog
--- structure-synth-1.5.0/debian/changelog	2020-03-23 06:26:18.000000000 +0000
+++ structure-synth-1.5.0/debian/changelog	2021-03-03 20:35:47.000000000 +0000
@@ -1,8 +1,9 @@
-structure-synth (1.5.0-6build1) focal; urgency=medium
+structure-synth (1.5.0-7) unstable; urgency=medium
 
-  * No-change rebuild for libgcc-s1 package name change.
+  * Added patch include_climits.patch to fix FTCBFS. Closes: #975155
+  * Upgraded Standards-Version from 4.4.0.1 to 4.5.1.0
 
- -- Matthias Klose <doko@ubuntu.com>  Mon, 23 Mar 2020 07:26:18 +0100
+ -- Miriam Ruiz <miriam@debian.org>  Wed, 03 Mar 2021 21:35:47 +0100
 
 structure-synth (1.5.0-6) unstable; urgency=medium
 
diff -Nru structure-synth-1.5.0/debian/control structure-synth-1.5.0/debian/control
--- structure-synth-1.5.0/debian/control	2019-09-05 20:05:11.000000000 +0000
+++ structure-synth-1.5.0/debian/control	2021-03-03 20:35:47.000000000 +0000
@@ -6,7 +6,7 @@
  libx11-dev, mesa-common-dev, libgl1-mesa-dev, libglu1-mesa-dev, freeglut3-dev,
  libxext-dev, qt5-qmake, qtbase5-dev, qtbase5-dev-tools, qtscript5-dev,
  libqt5opengl5-desktop-dev, qt5-qmake:native
-Standards-Version: 4.4.0.1
+Standards-Version: 4.5.1.0
 Homepage: http://structuresynth.sourceforge.net/
 
 Package: structure-synth
diff -Nru structure-synth-1.5.0/debian/patches/include_climits.patch structure-synth-1.5.0/debian/patches/include_climits.patch
--- structure-synth-1.5.0/debian/patches/include_climits.patch	1970-01-01 00:00:00.000000000 +0000
+++ structure-synth-1.5.0/debian/patches/include_climits.patch	2021-03-03 20:35:47.000000000 +0000
@@ -0,0 +1,12 @@
+Index: structure-synth-1.5.0/SyntopiaCore/GLEngine/Raytracer/AtomicCounter.h
+===================================================================
+--- structure-synth-1.5.0.orig/SyntopiaCore/GLEngine/Raytracer/AtomicCounter.h
++++ structure-synth-1.5.0/SyntopiaCore/GLEngine/Raytracer/AtomicCounter.h
+@@ -2,6 +2,7 @@
+ 
+ #include <QMutex>
+ #include <QWaitCondition>
++#include <climits>
+ 
+ namespace SyntopiaCore {
+ 	namespace GLEngine {	
diff -Nru structure-synth-1.5.0/debian/patches/series structure-synth-1.5.0/debian/patches/series
--- structure-synth-1.5.0/debian/patches/series	2018-10-13 01:02:25.000000000 +0000
+++ structure-synth-1.5.0/debian/patches/series	2021-03-03 20:35:47.000000000 +0000
@@ -4,3 +4,4 @@
 gcc4.7.patch
 gcc6.1.patch
 qt5_win64.patch
+include_climits.patch