Define (read|write)_png only #ifdef HAVE_PNG_H (#3647)

OSGeo · Apr 22, 2024 · 96aa1b4 · 96aa1b4
1 parent 9c86360
commit 96aa1b4
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/lib/pngdriver/pngdriver.h b/lib/pngdriver/pngdriver.h
@@ -54,13 +54,17 @@ extern void read_image(void);
 extern void read_ppm(void);
 extern void read_pgm(void);
 extern void read_bmp(void);
+#ifdef HAVE_PNG_H
 extern void read_png(void);
+#endif
 
 extern void write_image(void);
 extern void write_ppm(void);
 extern void write_pgm(void);
 extern void write_bmp(void);
+#ifdef HAVE_PNG_H
 extern void write_png(void);
+#endif
 
 extern void png_init_color_table(void);
 extern unsigned int png_get_color(int, int, int, int);