diff -Nru libgadu-1.12.2/debian/changelog libgadu-1.12.2/debian/changelog
--- libgadu-1.12.2/debian/changelog	2018-01-20 02:10:47.000000000 +0000
+++ libgadu-1.12.2/debian/changelog	2019-12-28 20:27:43.000000000 +0000
@@ -1,3 +1,10 @@
+libgadu (1:1.12.2-4) unstable; urgency=medium
+
+  * QA upload.
+  * Fix ftbfs with GCC-9. (Closes: #925743)
+
+ -- Sudip Mukherjee <sudipm.mukherjee@gmail.com>  Sat, 28 Dec 2019 20:27:43 +0000
+
 libgadu (1:1.12.2-3) unstable; urgency=medium
 
   * QA upload.
diff -Nru libgadu-1.12.2/debian/patches/fix_gcc9.patch libgadu-1.12.2/debian/patches/fix_gcc9.patch
--- libgadu-1.12.2/debian/patches/fix_gcc9.patch	1970-01-01 00:00:00.000000000 +0000
+++ libgadu-1.12.2/debian/patches/fix_gcc9.patch	2019-12-28 20:26:19.000000000 +0000
@@ -0,0 +1,43 @@
+Description: Fix build with gcc9
+Forwarded: no
+
+---
+
+--- libgadu-1.12.2.orig/src/dcc.c
++++ libgadu-1.12.2/src/dcc.c
+@@ -80,9 +80,10 @@ int gg_dcc_request(struct gg_session *se
+  * \param ut Czas w postaci uniksowej
+  * \param ft Czas w postaci API WIN32
+  */
+-static void gg_dcc_fill_filetime(uint32_t ut, uint32_t *ft)
++static void gg_dcc_fill_filetime(uint32_t ut, struct gg_dcc *d)
+ {
+ 	uint64_t tmp;
++	uint32_t tmp_ft[2];
+ 
+ 	tmp = ut;
+ 	tmp += 11644473600LL;
+@@ -90,7 +91,9 @@ static void gg_dcc_fill_filetime(uint32_
+ 
+ 	tmp = gg_fix64(tmp);
+ 
+-	memcpy(ft, &tmp, sizeof(tmp));
++	memcpy(tmp_ft, &tmp, sizeof(tmp));
++	d->file_info.atime[0] = tmp_ft[0];
++	d->file_info.atime[1] = tmp_ft[1];
+ }
+ 
+ /**
+@@ -162,9 +165,9 @@ int gg_dcc_fill_file_info2(struct gg_dcc
+ 	if (!(st.st_mode & S_IWUSR))
+ 		d->file_info.mode |= gg_fix32(GG_DCC_FILEATTR_READONLY);
+ 
+-	gg_dcc_fill_filetime(st.st_atime, d->file_info.atime);
+-	gg_dcc_fill_filetime(st.st_mtime, d->file_info.mtime);
+-	gg_dcc_fill_filetime(st.st_ctime, d->file_info.ctime);
++	gg_dcc_fill_filetime(st.st_atime, d);
++	gg_dcc_fill_filetime(st.st_mtime, d);
++	gg_dcc_fill_filetime(st.st_ctime, d);
+ 
+ 	d->file_info.size = gg_fix32(st.st_size);
+ 	d->file_info.mode = gg_fix32(0x20);	/* FILE_ATTRIBUTE_ARCHIVE */
diff -Nru libgadu-1.12.2/debian/patches/series libgadu-1.12.2/debian/patches/series
--- libgadu-1.12.2/debian/patches/series	2018-01-20 01:41:19.000000000 +0000
+++ libgadu-1.12.2/debian/patches/series	2019-12-28 20:24:04.000000000 +0000
@@ -1 +1,2 @@
 no_tls_compression.patch
+fix_gcc9.patch