diff -Nru jfsutils-1.1.15/debian/changelog jfsutils-1.1.15/debian/changelog
--- jfsutils-1.1.15/debian/changelog	2018-12-11 14:40:40.000000000 +0000
+++ jfsutils-1.1.15/debian/changelog	2020-06-23 20:31:15.000000000 +0000
@@ -1,3 +1,12 @@
+jfsutils (1.1.15-5) unstable; urgency=medium
+
+  * Update Standards-Version to 4.5.0 .
+
+  [ Pierre Labastie ]
+  * Add patch to fix FTBFS with GCC 10 (closes: #957390).
+
+ -- Laszlo Boszormenyi (GCS) <gcs@debian.org>  Tue, 23 Jun 2020 22:31:15 +0200
+
 jfsutils (1.1.15-4) unstable; urgency=medium
 
   * Include sys/sysmacros.h for recent glibc (closes: #916211).
diff -Nru jfsutils-1.1.15/debian/control jfsutils-1.1.15/debian/control
--- jfsutils-1.1.15/debian/control	2018-12-11 14:40:40.000000000 +0000
+++ jfsutils-1.1.15/debian/control	2020-06-23 20:31:15.000000000 +0000
@@ -2,8 +2,8 @@
 Section: admin
 Priority: optional
 Maintainer: Laszlo Boszormenyi (GCS) <gcs@debian.org>
-Build-Depends: cdbs, debhelper (>= 11), uuid-dev
-Standards-Version: 4.2.1
+Build-Depends: cdbs, debhelper (>= 10), uuid-dev
+Standards-Version: 4.5.0
 Homepage: https://jfs.sourceforge.net/
 
 Package: jfsutils
diff -Nru jfsutils-1.1.15/debian/patches/gcc10_fix-1.patch jfsutils-1.1.15/debian/patches/gcc10_fix-1.patch
--- jfsutils-1.1.15/debian/patches/gcc10_fix-1.patch	1970-01-01 00:00:00.000000000 +0000
+++ jfsutils-1.1.15/debian/patches/gcc10_fix-1.patch	2020-06-23 09:48:06.000000000 +0000
@@ -0,0 +1,74 @@
+Submitted By:            Pierre Labastie <pierre dot labastie at neuf dot fr>
+Date:                    2020-05-21
+Initial Package Version: 1.1.15
+Upstream Status:         Unknown (no development since 2011)
+Origin:                  self, adapted from opensuse
+Description:             Fixes building with GCC 10
+
+--- jfsutils-1.1.15.old/fscklog/display.c	2005-11-22 21:43:54.000000000 +0100
++++ jfsutils-1.1.15.new/fscklog/display.c	2020-05-21 18:15:13.410617620 +0200
+@@ -54,7 +54,7 @@
+  * output: fsck extracted service log I/O buffer
+  *
+  */
+-char xchklog_buffer[XCHKLOG_BUFSIZE];
++static char xchklog_buffer[XCHKLOG_BUFSIZE];
+ 
+ /* + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
+  *
+diff -ur --exclude '*.o' --exclude '*.a' jfsutils-1.1.15.old/libfs/logredo.c jfsutils-1.1.15.new/libfs/logredo.c
+--- jfsutils-1.1.15.old/libfs/logredo.c	2005-11-22 21:43:55.000000000 +0100
++++ jfsutils-1.1.15.new/libfs/logredo.c	2020-05-21 18:19:44.927703271 +0200
+@@ -87,9 +87,9 @@
+  *    S T U F F    F O R    T H E    L O G
+  *
+  */
+-struct logsuper logsup;		/* log super block */
+-int32_t numdoblk;		/* number of do blocks used     */
+-int32_t numnodofile;		/* number of nodo file blocks used  */
++static struct logsuper logsup;		/* log super block */
++static int32_t numdoblk;		/* number of do blocks used     */
++static int32_t numnodofile;		/* number of nodo file blocks used  */
+ int32_t numExtDtPg = 0;		/* number of extended dtpage blocks used  */
+ 
+ /*
+@@ -129,7 +129,7 @@
+  */
+ 
+ /* buffer header table */
+-struct bufhdr {
++static struct bufhdr {
+ 	int16_t next;		/* 2: next on free/lru list */
+ 	int16_t prev;		/* 2: previous on free/lru list */
+ 	int16_t hnext;		/* 2: next on hash chain */
+@@ -142,7 +142,7 @@
+ } bufhdr[NBUFPOOL];		/* (24) */
+ 
+ /* buffer table */
+-struct bufpool {
++static struct bufpool {
+ 	char bytes[PSIZE];
+ } buffer[NBUFPOOL - 1];
+ 
+@@ -151,15 +151,16 @@
+  *
+  * log has its own 4 page buffer pool.
+  */
+-uint8_t afterdata[LOGPSIZE * 2];	/* buffer to read in redopage data */
++static uint8_t afterdata[LOGPSIZE * 2];	/* buffer to read in redopage data */
+ 
+ /*
+  * Miscellaneous
+  */
+-caddr_t prog;			/* Program name */
+-int32_t mntcnt, bufsize;
+-char *mntinfo;
+-int32_t retcode;		/* return code from logredo    */
++static caddr_t prog;			/* Program name */
++extern int32_t mntcnt;
++static int32_t bufsize;
++static char *mntinfo;
++static int32_t retcode;		/* return code from logredo    */
+ int end_of_transaction = 0;
+ 
+ /*
diff -Nru jfsutils-1.1.15/debian/patches/series jfsutils-1.1.15/debian/patches/series
--- jfsutils-1.1.15/debian/patches/series	2018-12-11 14:40:40.000000000 +0000
+++ jfsutils-1.1.15/debian/patches/series	2020-06-23 20:31:15.000000000 +0000
@@ -3,3 +3,4 @@
 sparc-memory-alignment-fix.patch
 fix-mkfs-man-comment.patch
 add_sysmacros.patch
+gcc10_fix-1.patch