diff -u -r ../tesseract-3.05.01/api/Makefile.am ./api/Makefile.am
--- ../tesseract-3.05.01/api/Makefile.am	2017-06-01 20:06:24.000000000 +0200
+++ ./api/Makefile.am	2017-06-07 10:53:12.835866778 +0200
@@ -77,6 +77,7 @@
 endif
 
 tesseract_LDADD = libtesseract.la
+tesseract_LDADD += $(LEPTONICA_LIBS)
 
 
 tesseract_LDFLAGS = $(OPENCL_LDFLAGS)