diff -Nru csound-6.09.1~dfsg/debian/changelog csound-6.09.1~dfsg/debian/changelog
--- csound-6.09.1~dfsg/debian/changelog	2017-08-10 03:27:24.000000000 +0200
+++ csound-6.09.1~dfsg/debian/changelog	2017-08-22 20:59:55.000000000 +0200
@@ -1,3 +1,10 @@
+csound (1:6.09.1~dfsg-1.1) unstable; urgency=medium
+
+  * Non-maintainer upload.
+  * Fix FTBFS due to a getfem_5.2. Closes: #872860
+
+ -- Anton Gladky <gladk@debian.org>  Tue, 22 Aug 2017 20:59:55 +0200
+
 csound (1:6.09.1~dfsg-1) unstable; urgency=medium
 
   * New upstream version 6.09.1~dfsg
diff -Nru csound-6.09.1~dfsg/debian/patches/fix_FTBFS_gmm_5.2.patch csound-6.09.1~dfsg/debian/patches/fix_FTBFS_gmm_5.2.patch
--- csound-6.09.1~dfsg/debian/patches/fix_FTBFS_gmm_5.2.patch	1970-01-01 01:00:00.000000000 +0100
+++ csound-6.09.1~dfsg/debian/patches/fix_FTBFS_gmm_5.2.patch	2017-08-22 20:52:13.000000000 +0200
@@ -0,0 +1,25 @@
+Description: Fix FTBFS introduced by a new gmm (getfem) version.
+Author: Anton Gladky <gladk@debian.org>
+Bug-Debian: https://bugs.debian.org/872860
+Last-Update: 2017-08-22
+
+--- csound-6.09.1~dfsg.orig/Opcodes/linear_algebra.cpp
++++ csound-6.09.1~dfsg/Opcodes/linear_algebra.cpp
+@@ -630,7 +630,7 @@ public:
+     la_i_vr_create_t *array = 0;
+     toa(i_vr, array);
+     std::ostringstream stream;
+-    stream << array->vr << std::endl;
++    gmm::write(stream, array->vr);
+     csound->Message(csound, stream.str().c_str());
+     return OK;
+   }
+@@ -645,7 +645,7 @@ public:
+     la_i_vc_create_t *array = 0;
+     toa(i_vc, array);
+     std::ostringstream stream;
+-    stream << array->vc << std::endl;
++    gmm::write(stream, array->vc);
+     csound->Message(csound, stream.str().c_str());
+     return OK;
+   }
diff -Nru csound-6.09.1~dfsg/debian/patches/series csound-6.09.1~dfsg/debian/patches/series
--- csound-6.09.1~dfsg/debian/patches/series	2017-08-10 03:27:24.000000000 +0200
+++ csound-6.09.1~dfsg/debian/patches/series	2017-08-22 20:50:27.000000000 +0200
@@ -1,2 +1,3 @@
 debian-specific/lua-link.diff
 Allow-overriding-_MODULE_INSTALL_DIR.patch
+fix_FTBFS_gmm_5.2.patch