Dear maintainer, I've prepared an NMU for gwc (versioned as 0.22.04-1.1). The diff is attached to this message.
cu Adrian
diff -Nru gwc-0.22.04/debian/changelog gwc-0.22.04/debian/changelog --- gwc-0.22.04/debian/changelog 2019-09-15 19:49:52.000000000 +0300 +++ gwc-0.22.04/debian/changelog 2021-02-07 08:35:50.000000000 +0200 @@ -1,3 +1,10 @@ +gwc (0.22.04-1.1) unstable; urgency=medium + + * Non-maintainer upload. + * Add fix from Logan Rosen for FTBFS with gcc 10. (Closes: #957326) + + -- Adrian Bunk <b...@debian.org> Sun, 07 Feb 2021 08:35:50 +0200 + gwc (0.22.04-1) unstable; urgency=medium * Team upload. diff -Nru gwc-0.22.04/debian/patches/gcc-10.patch gwc-0.22.04/debian/patches/gcc-10.patch --- gwc-0.22.04/debian/patches/gcc-10.patch 1970-01-01 02:00:00.000000000 +0200 +++ gwc-0.22.04/debian/patches/gcc-10.patch 2021-02-07 08:35:45.000000000 +0200 @@ -0,0 +1,50 @@ +--- a/gwc.h ++++ b/gwc.h +@@ -185,12 +185,12 @@ + int ready ; + } DENOISE_DATA ; + +-gchar *tmpdir; +-gchar *CLIPBOARD_FILE ; ++extern gchar *tmpdir; ++extern gchar *CLIPBOARD_FILE ; + + void print_denoise(char *header, struct denoise_prefs *pDnprefs) ; + +-GtkWidget *main_window; ++extern GtkWidget *main_window; + + GtkWidget *add_number_entry_with_label(char *entry_text, char *label_text, GtkWidget *table, int row) ; + GtkWidget *add_number_entry_with_label_int(int value, char *label_text, GtkWidget *table, int row) ; +--- a/gwc.c ++++ b/gwc.c +@@ -84,6 +84,7 @@ + GtkWidget *hscrollbar; + GtkWidget *detect_only_widget; + GtkWidget *leave_click_marks_widget; ++GtkWidget *main_window; + + GtkWidget *l_file_time; + GtkWidget *l_file_samples; +@@ -147,6 +148,8 @@ + gchar wave_filename[PATH_MAX+1]; + gchar last_filename[PATH_MAX+1]; + gchar *file_extension; ++gchar *tmpdir; ++gchar *CLIPBOARD_FILE; + + long markers[MAX_MARKERS]; + long n_markers = 0; +--- a/markers.c ++++ b/markers.c +@@ -39,8 +39,8 @@ + + /* The file selection widget and the string to store the chosen filename */ + +-GtkWidget *file_selector; +-gchar *selected_filename; ++extern GtkWidget *file_selector; ++extern gchar *selected_filename; + gchar save_cdrdao_toc_filename[PATH_MAX+1]; + extern long num_song_markers, song_markers[] ; + extern gchar wave_filename[] ; diff -Nru gwc-0.22.04/debian/patches/series gwc-0.22.04/debian/patches/series --- gwc-0.22.04/debian/patches/series 2019-09-15 19:47:29.000000000 +0300 +++ gwc-0.22.04/debian/patches/series 2021-02-07 08:35:45.000000000 +0200 @@ -1 +1,2 @@ 02-no_extra_docs.patch +gcc-10.patch