--- libtiff/tif_config.h.orig	2019-08-29 15:36:35.000000000 +0200
+++ libtiff/tif_config.h	2019-08-29 15:08:43.000000000 +0200
@@ -255,7 +255,11 @@
 #define SIZEOF_SIGNED_INT 4
 
 /* The size of `signed long', as computed by sizeof. */
+#ifdef __LP64__
 #define SIZEOF_SIGNED_LONG 8
+#else
+#define SIZEOF_SIGNED_LONG 4
+#endif
 
 /* The size of `signed long long', as computed by sizeof. */
 #define SIZEOF_SIGNED_LONG_LONG 8
@@ -264,16 +268,28 @@
 #define SIZEOF_SIGNED_SHORT 2
 
 /* The size of `size_t', as computed by sizeof. */
+#ifdef __LP64__
 #define SIZEOF_SIZE_T 8
+#else
+#define SIZEOF_SIZE_T 4
+#endif
 
 /* The size of `unsigned char *', as computed by sizeof. */
+#ifdef __LP64__
 #define SIZEOF_UNSIGNED_CHAR_P 8
+#else
+#define SIZEOF_UNSIGNED_CHAR_P 4
+#endif
 
 /* The size of `unsigned int', as computed by sizeof. */
 #define SIZEOF_UNSIGNED_INT 4
 
 /* The size of `unsigned long', as computed by sizeof. */
+#ifdef __LP64__
 #define SIZEOF_UNSIGNED_LONG 8
+#else
+#define SIZEOF_UNSIGNED_LONG 4
+#endif
 
 /* The size of `unsigned long long', as computed by sizeof. */
 #define SIZEOF_UNSIGNED_LONG_LONG 8
@@ -307,10 +323,18 @@
 #define TIFF_INT32_T signed int
 
 /* Signed 64-bit type formatter */
+#ifdef __LP64__
 #define TIFF_INT64_FORMAT "%ld"
+#else
+#define TIFF_INT64_FORMAT "%lld"
+#endif
 
 /* Signed 64-bit type */
+#ifdef __LP64__
 #define TIFF_INT64_T signed long
+#else
+#define TIFF_INT64_T signed long long
+#endif
 
 /* Signed 8-bit type */
 #define TIFF_INT8_T signed char
@@ -343,10 +367,18 @@
 #define TIFF_UINT32_T unsigned int
 
 /* Unsigned 64-bit type formatter */
+#ifdef __LP64__
 #define TIFF_UINT64_FORMAT "%lu"
+#else
+#define TIFF_UINT64_FORMAT "%llu"
+#endif
 
 /* Unsigned 64-bit type */
+#ifdef __LP64__
 #define TIFF_UINT64_T unsigned long
+#else
+#define TIFF_UINT64_T unsigned long long
+#endif
 
 /* Unsigned 8-bit type */
 #define TIFF_UINT8_T unsigned char