1 files changed, 26 insertions, 0 deletions
diff --git a/jpeg.c b/jpeg.c
index d36f221..ae4ce14 100644
--- a/jpeg.c
+++ b/jpeg.c
@@ -13,6 +13,32 @@
 #define torch_Tensor TH_CONCAT_STRING_3(torch., Real, Tensor)
 #define libjpeg_(NAME) TH_CONCAT_3(libjpeg_, Real, NAME)
 
+static void
+jpeg_mem_src_dummy(j_decompress_ptr c, unsigned char *ibuf, unsigned long isiz)
+{
+}
+
+static void
+jpeg_mem_dest_dummy(j_compress_ptr c, unsigned char **obuf, unsigned long *osiz)
+{
+}
+
+#define JPEG_MEM_SRC_NOT_DEF  "`jpeg_mem_src` is not defined."
+#define JPEG_MEM_DEST_NOT_DEF "`jpeg_mem_dest` is not defined."
+#define JPEG_REQUIRED_VERSION " Use libjpeg v8+, libjpeg-turbo 1.3+ or build" \
+                              " libjpeg-turbo with `--with-mem-srcdst`."
+
+#define JPEG_MEM_SRC_ERR_MSG  JPEG_MEM_SRC_NOT_DEF JPEG_REQUIRED_VERSION
+#define JPEG_MEM_DEST_ERR_MSG JPEG_MEM_DEST_NOT_DEF JPEG_REQUIRED_VERSION
+
+#if !defined(HAVE_JPEG_MEM_SRC)
+#define jpeg_mem_src jpeg_mem_src_dummy
+#endif
+
+#if !defined(HAVE_JPEG_MEM_DEST)
+#define jpeg_mem_dest jpeg_mem_dest_dummy
+#endif
+
 #include "generic/jpeg.c"
 #include "THGenerateAllTypes.h"