Upstream patch.
diff --git a/debian/patches/incompatible-pointer-types.patch b/debian/patches/incompatible-pointer-types.patch
new file mode 100644
index 0000000..4e9a2bf
--- /dev/null
+++ b/debian/patches/incompatible-pointer-types.patch
@@ -0,0 +1,167 @@
+From 2b9d8f5bac5d2352f8021548b4852014ed683b2c Mon Sep 17 00:00:00 2001
+From: Alan Coopersmith <alan.coopersm...@oracle.com>
+Date: Tue, 5 Dec 2023 15:41:28 -0800
+Subject: [PATCH] Fix -Wincompatible-pointer-types warning from gcc (issue #1)
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+xlsfonts.c: In function âget_listâ:
+xlsfonts.c:204:23: warning: assignment to âchar **â from incompatible
+ pointer type âconst char **â [-Wincompatible-pointer-types]
+ 204 | fonts = &pattern;
+ | ^
+
+v2: Split the open vs. list code to allow preserving the constness
+of the argument to get_list, at the cost of less code sharing between
+the two paths
+
+Closes: #1
+Signed-off-by: Alan Coopersmith <alan.coopersm...@oracle.com>
+
+--- a/xlsfonts/xlsfonts.c
++++ b/xlsfonts/xlsfonts.c
+@@ -58,7 +58,7 @@ static int font_cnt = 0;
+ static int min_max;
+
+ typedef struct {
+- char *name;
++ const char *name;
+ XFontStruct *info;
+ } FontList;
+
+@@ -73,7 +73,7 @@ static int IgnoreError(Display *disp, XErrorEvent *event);
+ static void PrintProperty(XFontProp *prop);
+ static void ComputeFontType(XFontStruct *fs);
+ static void print_character_metrics(register XFontStruct *info);
+-static void do_query_font(Display *dpy, char *name);
++static void do_query_font(Display *dpy, const char *name);
+
+ void
+ usage(const char *errmsg)
+@@ -191,57 +191,70 @@ main(int argc, char **argv)
+ static void
+ get_list(const char *pattern)
+ {
+- int available = nnames + 1, i;
+- char **fonts;
+ XFontStruct *info;
+
+- /* Get list of fonts matching pattern */
+- for (;;) {
+- if (open_instead_of_list) {
+- info = XLoadQueryFont(dpy, pattern);
++ if (open_instead_of_list) {
++ info = XLoadQueryFont(dpy, pattern);
+
+- if (info) {
+- fonts = &pattern;
+- available = 1;
+- XUnloadFont(dpy, info->fid);
+- }
+- else {
+- fonts = NULL;
+- }
+- break;
++ if (info == NULL) {
++ fprintf(stderr, "%s: pattern \"%s\" unmatched\n",
++ program_name, pattern);
++ return;
+ }
+
+- if (long_list == L_MEDIUM)
+- fonts = XListFontsWithInfo(dpy, pattern, nnames, &available, &info);
+- else
+- fonts = XListFonts(dpy, pattern, nnames, &available);
+- if (fonts == NULL || available < nnames)
+- break;
+- if (long_list == L_MEDIUM)
+- XFreeFontInfo(fonts, info, available);
+- else
+- XFreeFontNames(fonts);
+- nnames = available * 2;
+- }
+-
+- if (fonts == NULL) {
+- fprintf(stderr, "%s: pattern \"%s\" unmatched\n",
+- program_name, pattern);
+- return;
+- }
+-
+- font_list = realloc(font_list, (font_cnt + available) * sizeof(FontList));
+- if (font_list == NULL)
+- Fatal_Error("Out of memory!");
+- for (i = 0; i < available; i++) {
+- font_list[font_cnt].name = fonts[i];
+- if (long_list == L_MEDIUM)
+- font_list[font_cnt].info = info + i;
+- else
++ font_list = realloc(font_list, (font_cnt + 1) * sizeof(FontList));
++ if (font_list == NULL)
++ Fatal_Error("Out of memory!");
++ font_list[font_cnt].name = pattern;
++ if (long_list == L_MEDIUM) {
++ font_list[font_cnt].info = info;
++ XUnloadFont(dpy, info->fid);
++ }
++ else {
+ font_list[font_cnt].info = NULL;
+-
++ XFreeFont(dpy, info);
++ }
+ font_cnt++;
+ }
++ else {
++ /* Get list of fonts matching pattern */
++ int available = nnames + 1;
++ char **fonts;
++
++ for (;;) {
++ if (long_list == L_MEDIUM)
++ fonts = XListFontsWithInfo(dpy, pattern, nnames, &available,
++ &info);
++ else
++ fonts = XListFonts(dpy, pattern, nnames, &available);
++ if (fonts == NULL) {
++ fprintf(stderr, "%s: pattern \"%s\" unmatched\n",
++ program_name, pattern);
++ return;
++ }
++ if (available < nnames)
++ break;
++ if (long_list == L_MEDIUM)
++ XFreeFontInfo(fonts, info, available);
++ else
++ XFreeFontNames(fonts);
++ nnames = available * 2;
++ }
++
++ font_list = realloc(font_list,
++ (font_cnt + available) * sizeof(FontList));
++ if (font_list == NULL)
++ Fatal_Error("Out of memory!");
++ for (int i = 0; i < available; i++) {
++ font_list[font_cnt].name = fonts[i];
++ if (long_list == L_MEDIUM)
++ font_list[font_cnt].info = info + i;
++ else
++ font_list[font_cnt].info = NULL;
++
++ font_cnt++;
++ }
++ }
+ }
+
+ static int
+@@ -625,7 +638,7 @@ print_character_metrics(register XFontStruct *info)
+ }
+
+ static void
+-do_query_font(Display *display, char *name)
++do_query_font(Display *display, const char *name)
+ {
+ register int i;
+ register XFontStruct *info = XLoadQueryFont(display, name);
+--
+GitLab
+
diff --git a/debian/patches/series b/debian/patches/series
index e0a607f..a94ce8d 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -1 +1,2 @@
editres-format-strings.diff
+incompatible-pointer-types.patch
